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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549





FORM 10-Q







|x | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ---------------------------------------------------------------------------------------

For the quarterly period ended September 30, 2010

OR



| ̈ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ----------------------------------------------------------------------------------------

For the transition period from  to

Commission file number: 0-31049





TradeStation Group, Inc.

(Exact name of registrant as specified in its charter)







|                                                               |  |                                     
|-------------------------------------------------------------- |  | ------------------------------------
|Florida                                                        |  | 65-0977576                          
|(State or other jurisdiction of
incorporation or organization) |  | (I.R.S. Employer Identification No.)
|                                                               | 
|8050 S.W. 10thStreet, Suite 4000, Plantation, Florida          |  | 33324                               
|(Address of principal executive offices)                       |  | (Zip Code)                          

954-652-7000

(Registrants telephone number, including area code)

None

(Former name, former address and former fiscal year, if changed since last report)





Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90
days.    Yes  x    No   ̈

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every
Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such
files).    Yes   ̈    No   ̈

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller
reporting company. See the definitions of large accelerated filer, accelerated filer and smaller reporting company in Rule 12b-2 of the Exchange Act.



|                        |  |                                                  |  |                           |  |  
|----------------------- |  | ------------------------------------------------ |  | ------------------------- |  | -
|Large accelerated filer |  |  ̈                                                |  | Accelerated filer         |  | x
|                        |  |                                                  | 
|Non-accelerated filer   |  |  ̈  (Do not check if a smaller reporting company) |  | Smaller reporting company |  |  ̈

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange
Act).    Yes   ̈    No  x

The registrant had 39,986,141 shares of common stock, $.01 par value, outstanding as of November 1, 2010.









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TRADESTATION GROUP, INC. AND SUBSIDIARIES

INDEX



|          |  |                                                                                                       |  |      |    | 
|--------- |  | ----------------------------------------------------------------------------------------------------- |  | ---- | -- | 
|          |  |                                                                                                       |  | Page |   
|PART I.   |  | FINANCIAL INFORMATION                                                                                 |  |      |    | 
|          |  |                                                                                                      
|Item 1.   |  | Financial Statements:                                                                                 |  |      |    | 
|          |  |                                                                                                      
|          |  | Consolidated Balance SheetsSeptember 30, 2010 (unaudited) and December 31,
2009                       |  |      | 3  | 
|          |  |                                                                                                      
|          |  | Consolidated Statements of IncomeThree and Nine Months Ended September 
30, 2010 and 2009 (unaudited) |  |      | 4  | 
|          |  |                                                                                                      
|          |  | Consolidated Statements of Cash FlowsNine Months Ended September 30, 2010 and 2009
(unaudited)        |  |      | 5  | 
|          |  |                                                                                                      
|          |  | Notes to Consolidated Financial Statements                                                            |  |      | 6  | 
|          |  |                                                                                                      
|Item 2.   |  | Managements Discussion and Analysis of Financial Condition and Results of
Operations                 |  |      | 21 | 
|          |  |                                                                                                      
|Item 3.   |  | Quantitative and Qualitative Disclosures about Market Risk                                            |  |      | 36 | 
|          |  |                                                                                                      
|Item 4.   |  | Controls and Procedures                                                                               |  |      | 37 | 
|          |  |                                                                                                      
|PART II.  |  | OTHER INFORMATION                                                                                     |  |      |    | 
|          |  |                                                                                                      
|Item 1.   |  | Legal Proceedings                                                                                     |  |      | 38 | 
|          |  |                                                                                                      
|Item 1A.  |  | Risk Factors                                                                                          |  |      | 39 | 
|          |  |                                                                                                      
|Item 2.   |  | Unregistered Sales of Equity Securities and Use of Proceeds                                           |  |      | 39 | 
|          |  |                                                                                                      
|Item 6.   |  | Exhibits                                                                                              |  |      | 40 | 
|          |  |                                                                                                      
|Signature |  |                                                                                                       |  |      | 41 | 



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PART I  FINANCIAL INFORMATION



|ITEM 1. | FINANCIAL STATEMENTS
|------- | --------------------

TRADESTATION GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(In thousands, except share data)



|                                                                                                                                                                               |  |                   |           |  |                  |   |           | 
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |  | ----------------- | --------- |  | ---------------- | - | --------- | 
|                                                                                                                                                                               |  | September 30,2010 |           |  | December 31,2009 |  
|                                                                                                                                                                               |  | (Unaudited)       |           |  |                  |  
|ASSETS:                                                                                                                                                                        |  |                   |           |  |                  |   |           | 
|                                                                                                                                                                               |  |                  
|Cash and cash equivalents, including restricted cash of $478 at September 30, 2010 and $717 at December 31,
2009                                                               |  | $                 | 52,512    |  |                  | $ | 57,405    | 
|Cash and investments segregated in compliance with federal regulations                                                                                                         |  |                   | 1,277,768 |  |                  |   | 785,208   | 
|Marketable securities                                                                                                                                                          |  |                   | 56,678    |  |                  |   | 76,342    | 
|Receivables from brokers, dealers, clearing organizations and clearing agents                                                                                                  |  |                   | 36,689    |  |                  |   | 32,226    | 
|Receivables from brokerage customers, net                                                                                                                                      |  |                   | 53,227    |  |                  |   | 45,034    | 
|Property and equipment, net                                                                                                                                                    |  |                   | 16,711    |  |                  |   | 7,578     | 
|Deferred income taxes, net                                                                                                                                                     |  |                   | 1,780     |  |                  |   | 1,276     | 
|Deposits with clearing organizations                                                                                                                                           |  |                   | 35,485    |  |                  |   | 38,521    | 
|Other assets                                                                                                                                                                   |  |                   | 4,122     |  |                  |   | 5,606     | 
|                                                                                                                                                                               |  |                   |           |  |                  |   |           | 
|                                                                                                                                                                               |  |                  
|Total assets                                                                                                                                                                   |  | $                 | 1,534,972 |  |                  | $ | 1,049,196 | 
|                                                                                                                                                                               |  |                   |           |  |                  |   |           | 
|                                                                                                                                                                               |  |                  
|LIABILITIES AND SHAREHOLDERS EQUITY:                                                                                                                                          |  |                   |           |  |                  |   |           | 
|                                                                                                                                                                               |  |                  
|LIABILITIES:                                                                                                                                                                   |  |                   |           |  |                  |   |           | 
|                                                                                                                                                                               |  |                  
|Payables to brokers, dealers and clearing organizations                                                                                                                        |  | $                 | 198       |  |                  | $ | 114       | 
|Payables to brokerage customers                                                                                                                                                |  |                   | 1,347,914 |  |                  |   | 868,741   | 
|Accounts payable                                                                                                                                                               |  |                   | 5,340     |  |                  |   | 2,627     | 
|Accrued expenses                                                                                                                                                               |  |                   | 8,210     |  |                  |   | 7,206     | 
|                                                                                                                                                                               |  |                   |           |  |                  |   |           | 
|Total liabilities                                                                                                                                                              |  |                   | 1,361,662 |  |                  |   | 878,688   | 
|                                                                                                                                                                               |  |                   |           |  |                  |   |           | 
|                                                                                                                                                                               |  |                  
|COMMITMENTS AND CONTINGENCIES                                                                                                                                                  |  |                   |           |  |                  |   |           | 
|                                                                                                                                                                               |  |                  
|SHAREHOLDERS EQUITY:                                                                                                                                                          |  |                   |           |  |                  |   |           | 
|Preferred stock, $.01 par value; 25,000,000 shares authorized, none issued and outstanding                                                                                     |  |                   |          |  |                  |   |          | 
|Common stock, $.01 par value; 200,000,000 shares authorized, 39,293,648 and 40,692,328 shares issued and outstanding at
September 30, 2010 and December 31, 2009, respectively |  |                   | 393       |  |                  |   | 407       | 
|Additional paid-in capital                                                                                                                                                     |  |                   | 34,873    |  |                  |   | 42,728    | 
|Accumulated other comprehensive income                                                                                                                                         |  |                   | 5         |  |                  |   | 5         | 
|Retained earnings                                                                                                                                                              |  |                   | 138,039   |  |                  |   | 127,368   | 
|                                                                                                                                                                               |  |                   |           |  |                  |   |           | 
|Total shareholders equity                                                                                                                                                     |  |                   | 173,310   |  |                  |   | 170,508   | 
|                                                                                                                                                                               |  |                   |           |  |                  |   |           | 
|                                                                                                                                                                               |  |                  
|Total liabilities and shareholders equity                                                                                                                                     |  | $                 | 1,534,972 |  |                  | $ | 1,049,196 | 
|                                                                                                                                                                               |  |                   |           |  |                  |   |           | 

See accompanying notes.



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TRADESTATION GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

(In thousands, except per share data)



|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|-------------------------------------------- |  | ------------------ | ------ | - | ----------------- | - | ------ | ---- |  | - | ------- |  |  | - | ------- | 
|                                             |  | Three Months Ended |        |   | Nine Months Ended |  
|                                             |  | September 30,      |        |   | September 30,     |  
|                                             |  | 2010               |        |   | 2009              |   |        | 2010 |  |   | 2009    | 
|                                             |  |                    |        |  
|REVENUES:                                    |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|Brokerage commissions and fees               |  | $                  | 26,031 |   |                   | $ | 28,623 |      |  | $ | 83,435  |  |  | $ | 93,422  | 
|                                             |  |                    |        |  
|Interest income                              |  |                    | 2,757  |   |                   |   | 1,612  |      |  |   | 7,673   |  |  |   | 3,948   | 
|Brokerage interest expense                   |  |                    |       |   |                   |   |       |      |  |   |        |  |  |   |        | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|Net interest income                          |  |                    | 2,757  |   |                   |   | 1,612  |      |  |   | 7,673   |  |  |   | 3,948   | 
|                                             |  |                    |        |  
|Subscription fees and other                  |  |                    | 1,517  |   |                   |   | 1,777  |      |  |   | 4,754   |  |  |   | 5,809   | 
|                                             |  |                    |        |  
|Gains (losses) on marketable securities, net |  |                    | (728   | ) |                   |   | 344    |      |  |   | 4,175   |  |  |   | 344     | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|                                             |  |                    |        |  
|Net revenues                                 |  |                    | 29,577 |   |                   |   | 32,356 |      |  |   | 100,037 |  |  |   | 103,523 | 
|                                             |  |                    |        |  
|EXPENSES:                                    |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|Employee compensation and benefits           |  |                    | 11,400 |   |                   |   | 10,509 |      |  |   | 34,055  |  |  |   | 31,662  | 
|Clearing and execution                       |  |                    | 6,952  |   |                   |   | 7,160  |      |  |   | 22,452  |  |  |   | 23,822  | 
|Data centers and communications              |  |                    | 3,403  |   |                   |   | 2,902  |      |  |   | 10,846  |  |  |   | 8,551   | 
|Marketing                                    |  |                    | 1,791  |   |                   |   | 1,453  |      |  |   | 5,070   |  |  |   | 5,046   | 
|Professional services                        |  |                    | 1,109  |   |                   |   | 754    |      |  |   | 2,545   |  |  |   | 2,514   | 
|Occupancy and equipment                      |  |                    | 805    |   |                   |   | 800    |      |  |   | 2,364   |  |  |   | 2,282   | 
|Depreciation and amortization                |  |                    | 1,317  |   |                   |   | 1,062  |      |  |   | 3,330   |  |  |   | 3,306   | 
|Other                                        |  |                    | 2,474  |   |                   |   | 1,653  |      |  |   | 6,220   |  |  |   | 4,862   | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|                                             |  |                    |        |  
|Total expenses                               |  |                    | 29,251 |   |                   |   | 26,293 |      |  |   | 86,882  |  |  |   | 82,045  | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|                                             |  |                    |        |  
|Income before income taxes                   |  |                    | 326    |   |                   |   | 6,063  |      |  |   | 13,155  |  |  |   | 21,478  | 
|                                             |  |                    |        |  
|INCOME TAX (BENEFIT) PROVISION               |  |                    | (2,730 | ) |                   |   | 2,366  |      |  |   | 2,484   |  |  |   | 8,420   | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|                                             |  |                    |        |  
|Net income                                   |  | $                  | 3,056  |   |                   | $ | 3,697  |      |  | $ | 10,671  |  |  | $ | 13,058  | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|                                             |  |                    |        |  
|EARNINGS PER SHARE:                          |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|Basic                                        |  | $                  | 0.08   |   |                   | $ | 0.09   |      |  | $ | 0.27    |  |  | $ | 0.31    | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|Diluted                                      |  | $                  | 0.08   |   |                   | $ | 0.09   |      |  | $ | 0.26    |  |  | $ | 0.31    | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|                                             |  |                    |        |  
|WEIGHTED AVERAGE SHARES OUTSTANDING:         |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|Basic                                        |  |                    | 39,624 |   |                   |   | 41,285 |      |  |   | 40,051  |  |  |   | 41,715  | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 
|Diluted                                      |  |                    | 39,996 |   |                   |   | 41,792 |      |  |   | 40,476  |  |  |   | 42,188  | 
|                                             |  |                    |        |   |                   |   |        |      |  |   |         |  |  |   |         | 

See accompanying notes.



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TRADESTATION GROUP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands)



|                                                                                  |  |                                |          |   |      |   |          |  
|--------------------------------------------------------------------------------- |  | ------------------------------ | -------- | - | ---- | - | -------- | -
|                                                                                  |  | Nine Months EndedSeptember 30, |         
|                                                                                  |  | 2010                           |          |   | 2009 |  
|                                                                                  |  |                               
|CASH FLOWS FROM OPERATING ACTIVITIES:                                             |  |                                |          |   |      |   |          |  
|Net income                                                                        |  | $                              | 10,671   |   |      | $ | 13,058   |  
|Adjustments to reconcile net income to net cash provided by operating activities: |  |                                |          |   |      |   |          |  
|Depreciation and amortization                                                     |  |                                | 3,330    |   |      |   | 3,306    |  
|Stock-based compensation expense                                                  |  |                                | 2,378    |   |      |   | 2,067    |  
|Deferred income tax benefit                                                       |  |                                | (695     | ) |      |   | 1,093    |  
|Gains on marketable securities, net                                               |  |                                | (4,175   | ) |      |   | (344     | )
|(Increase) decrease in:                                                           |  |                                |          |   |      |   |          |  
|Cash and investments segregated in compliance with federal regulations            |  |                                | (43,573  | ) |      |   | (170,411 | )
|Trading investments transactions, net                                             |  |                                | (424,984 | ) |      |   | (53,109  | )
|Receivables from brokers, dealers, clearing organizations and clearing agents     |  |                                | (4,463   | ) |      |   | (15,646  | )
|Receivables from brokerage customers, net                                         |  |                                | (8,193   | ) |      |   | (9,545   | )
|Prepaid income taxes                                                              |  |                                |         |   |      |   | (442     | )
|Deposits with clearing organizations                                              |  |                                |         |   |      |   | 15,000   |  
|Other assets                                                                      |  |                                | 997      |   |      |   | (412     | )
|Increase (decrease) in:                                                           |  |                                |          |   |      |   |          |  
|Payables to brokers, dealers and clearing organizations                           |  |                                | 84       |   |      |   | (8       | )
|Payables to brokerage customers                                                   |  |                                | 479,173  |   |      |   | 204,654  |  
|Accounts payable                                                                  |  |                                | 2,713    |   |      |   | (914     | )
|Accrued expenses                                                                  |  |                                | 1,175    |   |      |   | (106     | )
|                                                                                  |  |                                |          |   |      |   |          |  
|Net cash provided by (used in) operating activities                               |  |                                | 14,438   |   |      |   | (11,759  | )
|                                                                                  |  |                                |          |   |      |   |          |  
|                                                                                  |  |                               
|CASH FLOWS FROM INVESTING ACTIVITIES:                                             |  |                                |          |   |      |   |          |  
|Capital expenditures                                                              |  |                                | (11,954  | ) |      |   | (3,369   | )
|Purchases of available-for-sale marketable securities                             |  |                                | (30,169  | ) |      |   | (26,977  | )
|Proceeds from maturities of marketable securities                                 |  |                                | 33,456   |   |      |   | 3,985    |  
|Decrease in restricted cash                                                       |  |                                | 239      |   |      |   | 239      |  
|                                                                                  |  |                                |          |   |      |   |          |  
|Net cash used in investing activities                                             |  |                                | (8,428   | ) |      |   | (26,122  | )
|                                                                                  |  |                                |          |   |      |   |          |  
|                                                                                  |  |                               
|CASH FLOWS FROM FINANCING ACTIVITIES:                                             |  |                                |          |   |      |   |          |  
|Proceeds from issuance of common stock                                            |  |                                | 412      |   |      |   | 791      |  
|Excess tax benefits from stock option exercises                                   |  |                                | 149      |   |      |   | 102      |  
|Repurchase and retirement of common stock                                         |  |                                | (11,225  | ) |      |   | (11,135  | )
|                                                                                  |  |                                |          |   |      |   |          |  
|Net cash used in financing activities                                             |  |                                | (10,664  | ) |      |   | (10,242  | )
|                                                                                  |  |                                |          |   |      |   |          |  
|                                                                                  |  |                               
|NET DECREASE IN UNRESTRICTED CASH AND CASH EQUIVALENTS                            |  |                                | (4,654   | ) |      |   | (48,123  | )
|                                                                                  |  |                                |          |   |      |   |          |  
|UNRESTRICTED CASH AND CASH EQUIVALENTS, beginning of period                       |  |                                | 56,688   |   |      |   | 99,358   |  
|                                                                                  |  |                                |          |   |      |   |          |  
|UNRESTRICTED CASH AND CASH EQUIVALENTS, end of period                             |  | $                              | 52,034   |   |      | $ | 51,235   |  
|                                                                                  |  |                                |          |   |      |   |          |  
|SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:                                 |  |                                |          |   |      |   |          |  
|Cash paid for interest                                                            |  | $                              |         |   |      | $ | 8        |  
|                                                                                  |  |                                |          |   |      |   |          |  
|Cash paid for income taxes                                                        |  | $                              | 5,882    |   |      | $ | 8,257    |  
|                                                                                  |  |                                |          |   |      |   |          |  

See accompanying notes.



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TRADESTATION GROUP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(All notes and related disclosures applicable to the

three and nine
months ended September 30, 2010 and 2009 are unaudited)

(1) NATURE OF OPERATIONS AND BASIS OF PRESENTATION

TradeStation Group, Inc. (TradeStation Group or the Company) is listed on The NASDAQ Global Select Market under
the symbol TRAD. TradeStation Securities, Inc., TradeStation Technologies, Inc., and TradeStation Europe Limited are TradeStation Groups operating subsidiaries. TradeStation Securities is a licensed securities broker-dealer and a
registered futures commission merchant. TradeStation Technologies develops and offers strategy trading software tools and subscription services. TradeStation Europe Limited, a company organized under the laws of England and Wales, is authorized and
regulated by the United Kingdom Financial Services Authority (FSA), and holds what is known as a Passport to introduce brokerage accounts for residents of countries within the European Economic Area. The Company recently
formed a wholly-owned subsidiary, TradeStation Forex, Inc., a Florida corporation (TradeStation Forex), with the intent that TradeStation Forex, by the end of the 2010 year, will assume, own and conduct all TradeStation forex
brokerage business (such business is currently owned and conducted by TradeStation Securities) as a Retail Foreign Exchange Dealer with the National Futures Association (NFA), and registered under such classification with the Commodity
Futures Trading Commission (CFTC). TradeStation Forexs application for such CFTC registration and NFA membership was made to the NFA in June 2010. TradeStation Forex currently conducts no business other than start-up activities to
prepare for the ownership and operation of such forex brokerage business.

The accompanying consolidated financial statements
include the results of the Company and its subsidiaries, all of which are wholly owned. All intercompany accounts and transactions have been eliminated.

The accompanying consolidated financial statements should be read in conjunction with the Consolidated Financial Statements and Notes to Consolidated Financial Statements included in the Annual Report on
Form 10-K of TradeStation Group for the year ended December 31, 2009. In the opinion of management, all adjustments (consisting only of normal recurring adjustments) necessary to present fairly the Companys consolidated financial position
as of September 30, 2010 and the consolidated results of operations and cash flows for each of the periods presented have been recorded. The results of operations and cash flows for an interim period are not necessarily indicative of the
results of operations or cash flows that may be reported for the year or for any subsequent period.

The Company has performed
an evaluation of subsequent events through the date these financial statements were issued and filed with the Securities and Exchange Commission (SEC).

Recently Issued Accounting Standards

In July 2010, the Financial
Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2010-20, Receivables, Disclosures about the Credit Quality of Financing Receivables and the Allowance for Credit Losses (ASU
2010-20). ASU 2010-20 requires entities to provide extensive new disclosures in their financial statements about their financing receivables, including credit risk exposures and the allowance for credit losses. Public entities are required to
adopt ASU 2010-20 for disclosures of financing receivables as of the end of a reporting period for interim and annual reporting periods ending on or after December 15, 2010. The financing receivables disclosures related to activity that occurs
during a reporting period are required to be adopted by public entities for interim and annual reporting periods beginning on or after December 15, 2010. The Company will adopt this guidance beginning on January 1, 2011 and does not expect
its adoption of ASU 2010-20 to have a material impact on its consolidated financial statements.



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In January 2010, the
FASB issued ASU No. 2010-06, Improving Disclosures about Fair Value Measurements (ASU 2010-06). ASU 2010-06 amends the Fair Value Measurements and Disclosures Topic of the FASB Accounting Standards Codification
(ASC) to require additional disclosures regarding fair value measurements. The amended guidance requires entities to disclose additional information regarding assets and liabilities that are transferred between levels of the fair value
hierarchy. Entities are also required to disclose information in the Level 3 Rollforward about purchases, sales, issuances and settlements on a gross basis. In addition to these new disclosure requirements, ASU 2010-06 clarifies existing guidance
pertaining to the level of disaggregation at which fair value disclosures should be made and the requirements to disclose information about the valuation techniques and inputs used in estimating Level 2 and Level 3 fair value measurements. The
guidance in ASU 2010-06 is effective for interim and annual reporting periods beginning after December 15, 2009, except for the requirement to separately disclose purchases, sales, issuances and settlements in the Level 3 Rollforward, which
becomes effective for fiscal years (and for interim periods within those fiscal years) beginning after December 15, 2010. The Companys adoption of ASU 2010-06, effective January 1, 2010, did not have a material impact on its
consolidated financial position, results of operations or cash flows during the nine months ended September 30, 2010. The Company does not expect the deferred portion of the adoption of ASU 2010-06 to have a material impact on its consolidated
financial statements.

In October 2009, the FASB issued accounting guidance that amends the criteria for allocating a
contracts consideration to individual services or products in multiple deliverable arrangements. This guidance is effective prospectively for revenue arrangements entered into or materially modified in fiscal years beginning on or after
June 15, 2010. The Company will adopt this guidance beginning on January 1, 2011 and does not expect a material impact on its consolidated financial statements.

(2) STOCK-BASED COMPENSATION

Stock Compensation

The Company records stock-based compensation expense for employee services based upon the grant-date fair value of those awards in
accordance with the provisions of the Compensation-Stock Compensation Topic of the FASB ASC (the Compensation-Stock Compensation Topic). The Company currently uses the Black-Scholes option pricing model to determine the fair value of
stock option awards. The determination of the fair value of stock option awards on the date of grant using an option-pricing model is affected by the market price of the stock, exercise price of the award, expected term of the award, estimated
volatility of the stock over the term of the award, risk-free interest rate and expected dividend yield. Separate assumptions are used for employee officer options, non-officer employee options (both of which, subject to certain vesting-acceleration
events, vest over a five-year period) and non-employee director options (which, subject to certain vesting-acceleration events, vest over a three-year period).

The assumptions used to estimate the fair value of each option grant on the date of grant using the Black-Scholes model are as follows:



|                              |  |                      |  |                     |  |      |  |         
|----------------------------- |  | -------------------- |  | ------------------- |  | ---- |  | --------
|                              |  | For the Three Months |  | For the Nine Months
|                              |  | Ended September 30,  |  | Ended September 30,
|                              |  | 2010                 |  | 2009                |  | 2010 |  | 2009    
|Risk free interest rate       |  | *                    |  | *                   |  | 3%   |  | 2%      
|Dividend yield                |  | *                    |  | *                   |  | -    |  | -       
|Volatility ranges             |  | *                    |  | *                   |  | 55%  |  | 51 - 60%
|Weighted-average volatility   |  | *                    |  | *                   |  | 55%  |  | 59%     
|Weighted-average life (years) |  | *                    |  | *                   |  | 7.3  |  | 6.4     



|* | The company did not grant any options to purchase common stock during the three months ended September 30, 2010 and 2009.
|- | -------------------------------------------------------------------------------------------------------------------------



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In accordance with the
Compensation-Stock Compensation Topic, the Company is required to estimate forfeitures at the time of grant and revise those estimates in subsequent periods if actual forfeitures differ from those estimates. Historical data are used to estimate
pre-vesting option forfeitures, and stock-based compensation expense is recorded only for those awards that are expected to vest. All stock-based payment awards are amortized on a straight-line basis over the requisite service periods of the awards,
which are generally the vesting periods.

During the three months ended September 30, 2010 and 2009, the Company recorded
stock-based compensation expense of $836,000 ($646,000 net of tax) and $635,000 ($534,000 net of tax), respectively, primarily related to the issuance of stock options and restricted stock awards (and, to a lesser extent, performance shares issued
in 2010 under the Companys Incentive Stock Plan and common stock issued during both periods at a discount under the Companys employee stock purchase plan). During each of the nine months ended September 30, 2010 and 2009, the
Company recorded stock-based compensation expense of $2.4 million ($1.9 million net of tax) and $2.1 million ($1.7 million net of tax), respectively, primarily related to the issuance of stock options and restricted stock awards (and, to a lesser
extent, performance shares issued in 2010 under the Companys Incentive Stock Plan and common stock issued during both periods at a discount under the Companys employee stock purchase plan).

Stock-based Awards

The Company did not grant any options to purchase common stock during the three months ended September 30, 2010. During the nine months ended September 30, 2010, the Company granted options to
purchase an aggregate of 345,047 shares of common stock with a weighted-average, grant-date, Black-Scholes fair value of $3.80 per share. Such options vest ratably in annual increments over a five-year period and are exercisable at a price of $6.41
per share, which was the closing price of the Companys common stock on the date the options were granted. During the three months ended September 30, 2009, the Company did not grant any options to purchase common stock. During the nine
months ended September 30, 2009, the Company granted options to purchase an aggregate of 682,540 shares of common stock with a weighted-average grant-date Black-Scholes fair value of $3.29 per share. Such options vest ratably in annual
increments over a three- to five-year period and are exercisable at prices ranging from $5.49 to $8.55 per share, which were the respective closing prices of the Companys common stock on the respective dates the options were granted.

During the three and nine months ended September 30, 2010, the Company awarded 96,264 and 437,625 restricted shares of
common stock as compensation, respectively, which had fair market values of $582,000 and $2.8 million, respectively, at the grant dates. The Company did not issue any restricted shares of common stock during the three months ended September 30,
2009. During the nine months ended September 30, 2009, the Company issued 225,048 restricted shares of common stock, which had a fair market value of $1.3 million at the grant date.

The restricted shares of common stock issued during the three and nine months ended September 30, 2010 include 58,824 unregistered
shares issued to a seller of software technology that the Company acquired in August 2010. Such shares had a fair market value of approximately $342,000 at the date of grant. These shares were then distributed to a shareholder of the seller who
became an employee of the Company and the vesting of such shares is contingent on his continued employment. These shares vest 33.33% on each of the first three anniversaries of the date of grant and include 100% automatic vesting acceleration upon
retirement, death, disability or involuntary termination of employment by the Company without cause. These restricted shares contain a provision whereby, if employment terminates prior to full vesting, the non-vested shares will automatically be
forfeited and the Company will reacquire the non-vested shares for no consideration.

The restricted shares of common stock
issued during the three and nine months ended September 30, 2010 also include 37,440 shares issued to our nonemployee directors under the Companys Nonemployee Director Incentive Stock Plan. Such shares had a fair market value of
approximately $240,000 at the date of grant and vest 33.33% during each of the first three anniversaries of the date of grant. All other restricted shares of common stock awarded as compensation have been granted to current employees of



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the Company as awards under the Companys Incentive Stock Plan and vest 50% on the third anniversary of the date of grant and 100% on the sixth anniversary (except for one award granted in
2010 which vests 50% on the third anniversary of the date of grant and 100% on the fifth anniversary). All of the foregoing grants include 100% automatic vesting acceleration upon retirement, death, disability or change in control of the Company
(except for one award granted in 2010 which does not provide for acceleration upon change in control of the Company but instead provides for acceleration upon an involuntary termination of employment by the Company without cause). All of these
restricted shares contain a provision whereby, if employment or service on the board terminates prior to full vesting, the non-vested shares will automatically be forfeited and the Company will reacquire the non-vested shares for no consideration.

During the nine months ended September 30, 2010, the Company also, for the first time in its history, issued performance
shares (more commonly referred to as restricted stock units) representing the right to receive an aggregate of 152,331 shares of common stock. Such performance shares, which had a fair market value of approximately $976,000 on the date of grant,
vest 60% on the third anniversary of the date of grant, 20% on the fourth anniversary of the date of grant and 20% on the fifth anniversary of the date of grant, with 100% acceleration upon retirement, death or disability. Performance shares
automatically convert into shares of the Companys common stock upon vesting. All of the performance shares were granted under the Incentive Stock Plan. Unvested performance shares expire upon the termination of an employees employment
with the Company. Generally speaking, performance shares are intended to replace employee stock option grants in the Companys annual equity-based compensation grants to its general employee base under the Companys Incentive Stock Plan.

During the three and nine months ended September 30, 2010, stock options for 18,446 shares and 110,034 shares,
respectively, of the Companys common stock were exercised under the Companys Incentive Stock Plan. During the three and nine months ended September 30, 2009, stock options for 22,511 shares and 153,621 shares, respectively, of the
Companys common stock were exercised under the Incentive Stock Plan.

During the three and nine months ended
September 30, 2010, the Company issued 5,275 and 17,492 shares of common stock, respectively, under the Companys employee stock purchase plan at average prices of $6.75 and $7.55 per share. During the three and nine months ended
September 30, 2009, the Company issued 13,180 and 29,114 shares of common stock, respectively, under the Companys employee stock purchase plan at average prices of $8.46 and $7.36 per share.

(3) EARNINGS PER SHARE

Weighted average shares outstanding for the three and nine months ended September 30, 2010 and 2009 are calculated as follows (in
thousands):



|                                                                                 |  |                                         |        |  |                                        |  |        |      |  |  |        |  |  |  |        | 
|-------------------------------------------------------------------------------- |  | --------------------------------------- | ------ |  | -------------------------------------- |  | ------ | ---- |  |  | ------ |  |  |  | ------ | 
|                                                                                 |  | For the Three MonthsEnded September 30, |        |  | For the Nine MonthsEnded September 30, | 
|                                                                                 |  | 2010                                    |        |  | 2009                                   |  |        | 2010 |  |  | 2009   | 
|                                                                                 |  |                                         |        | 
|Weighted average shares outstanding (basic)                                      |  |                                         | 39,624 |  |                                        |  | 41,285 |      |  |  | 40,051 |  |  |  | 41,715 | 
|                                                                                 |  |                                         |        | 
|Impact of dilutive stock-based payments after applying the treasury stock method |  |                                         | 372    |  |                                        |  | 507    |      |  |  | 425    |  |  |  | 473    | 
|                                                                                 |  |                                         |        |  |                                        |  |        |      |  |  |        |  |  |  |        | 
|                                                                                 |  |                                         |        | 
|Weighted average shares outstanding (diluted)                                    |  |                                         | 39,996 |  |                                        |  | 41,792 |      |  |  | 40,476 |  |  |  | 42,188 | 
|                                                                                 |  |                                         |        |  |                                        |  |        |      |  |  |        |  |  |  |        | 



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Stock options,
non-vested restricted shares and performance shares outstanding for the three and nine months ended September 30, 2010 and 2009, which were not included in the calculation of diluted earnings per share because their weighted average effect
would have been anti-dilutive are as follows (in thousands):



|                                                |  |                                         |       |  |                                        |  |       |      |  |  |       |  |  |  |       | 
|----------------------------------------------- |  | --------------------------------------- | ----- |  | -------------------------------------- |  | ----- | ---- |  |  | ----- |  |  |  | ----- | 
|                                                |  | For the Three MonthsEnded September 30, |       |  | For the Nine MonthsEnded September 30, | 
|                                                |  | 2010                                    |       |  | 2009                                   |  |       | 2010 |  |  | 2009  | 
|                                                |  |                                         |       | 
|Stock options                                   |  |                                         | 2,497 |  |                                        |  | 2,113 |      |  |  | 2,441 |  |  |  | 2,254 | 
|                                                |  |                                         |       |  |                                        |  |       |      |  |  |       |  |  |  |       | 
|                                                |  |                                         |       | 
|Restricted shares of common stock (non-vested)  |  |                                         | 193   |  |                                        |  | 98    |      |  |  | 356   |  |  |  | 205   | 
|                                                |  |                                         |       |  |                                        |  |       |      |  |  |       |  |  |  |       | 
|                                                |  |                                         |       | 
|Performance shares of common stock (non-vested) |  |                                         |      |  |                                        |  |      |      |  |  | 123   |  |  |  |      | 
|                                                |  |                                         |       |  |                                        |  |       |      |  |  |       |  |  |  |       | 

4) COMPREHENSIVE INCOME

Comprehensive income is defined as the change in a business enterprises equity during a period arising from transactions, events or circumstances relating to non-owner sources, such as unrealized
gains or losses on available-for-sale securities and foreign currency translation adjustments. It includes all changes in equity during a period except those resulting from investments by, or distributions to, owners.

A reconciliation of net income to comprehensive income is as follows (in thousands):



|                                           |  |                      |       |  |                     |   |       |      |  |   |        |  |  |   |        | 
|------------------------------------------ |  | -------------------- | ----- |  | ------------------- | - | ----- | ---- |  | - | ------ |  |  | - | ------ | 
|                                           |  | For the Three Months |       |  | For the Nine Months |  
|                                           |  | Ended September 30,  |       |  | Ended September 30, |  
|                                           |  | 2010                 |       |  | 2009                |   |       | 2010 |  |   | 2009   | 
|                                           |  |                      |       | 
|Net income                                 |  | $                    | 3,056 |  |                     | $ | 3,697 |      |  | $ | 10,671 |  |  | $ | 13,058 | 
|Unrealized gains on securities, net of tax |  |                      | 2     |  |                     |   | 2     |      |  |   | 1      |  |  |   | 2      | 
|                                           |  |                      |       |  |                     |   |       |      |  |   |        |  |  |   |        | 
|Comprehensive income                       |  | $                    | 3,058 |  |                     | $ | 3,699 |      |  | $ | 10,672 |  |  | $ | 13,060 | 
|                                           |  |                      |       |  |                     |   |       |      |  |   |        |  |  |   |        | 

(5) CASH AND INVESTMENTS SEGREGATED IN COMPLIANCE WITH FEDERAL REGULATIONS

TradeStation Securities is obligated by rules mandated by two of its primary regulators, the SEC and the CFTC, to set aside cash or
qualified securities to satisfy regulations promulgated to protect customer assets. Cash and investments segregated in compliance with federal regulations, consisting primarily of U.S. Treasury securities, of $1.28 billion (which includes $1.1
million of interest receivable) and $785.2 million (which includes $349,000 of interest receivable) as of September 30, 2010 and December 31, 2009, respectively, have been segregated in special reserve accounts at JPMorgan Chase ($1.24
billion as of September 30, 2010 and $785.2 million as of December 31, 2009) and R.J. OBrien ($42.5 million as of September 30, 2010 and $0 as of December 31, 2009) for the exclusive benefit of customers under
Rule 15c3-3 under the Securities Exchange Act of 1934 (Rule 15c3-3) and the Commodity Exchange Act. Of the $1.28 billion in cash and investments segregated in compliance with federal regulations as of September 30, 2010, $877.0
million was related to Rule 15c3-3 and $400.8 million was related to CFTC requirements. All of the $785.2 million balance as of December 31, 2009 was related to Rule 15c3-3. By the second business day of each week, under Rule 15c3-3, if
required, this amount is adjusted based upon the previous week-end or month-end calculation. For example, based on this requirement, on October 1, 2010 cash and investments segregated in compliance with federal regulations decreased by $4.0
million, and marketable securities increased by $4.0 million. As another example, on January 4, 2010 cash and



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investments segregated in compliance with federal regulations increased by $7.7 million and cash and cash equivalents decreased by $7.7 million. On January 4, 2010, TradeStation Securities
converted its futures accounts, held at R.J. OBrien & Associates as clearance agent, from clearance on a fully-disclosed basis to omnibus clearance. As a result of converting to omnibus clearance, TradeStation Securities received from
R.J. OBrien approximately $349.0 million in futures customers funds which were then appropriately segregated in accordance with Commodity Exchange Act rules.

(6) RECEIVABLES FROM BROKERAGE CUSTOMERS, NET

Receivables from brokerage
customers, net consist primarily of margin loans to TradeStation Securities equities brokerage customer accounts of approximately $53.2 million and $45.0 million at September 30, 2010 and December 31, 2009, respectively. Securities
owned by brokerage customers are held as collateral for such margin loans. Such collateral is not reflected in the consolidated financial statements. At September 30, 2010 and December 31, 2009, TradeStation Securities was charging a base
margin debit interest rate of 7.75% per annum on debit balances.

Margin requirements determine the amount of
collateral required to be held in an account for the purchase of equities on credit. Margin lending is subject to the margin rules of the Board of Governors of the Federal Reserve System, the margin requirements of the Financial Industry Regulatory
Authority (FINRA), limits imposed by clearing agent firms, and TradeStation Securities own internal policies. Nearly all equities accounts at TradeStation Securities are margin accounts. While not, technically speaking, an
extension of credit, TradeStation Securities also provides leverage, the effect of which is similar to margin lending, to its customers futures and forex accounts. By permitting customers to purchase and maintain positions on margin or using
leverage, TradeStation Securities takes the risk that a market decline will reduce the value of the collateral securing its margin loan or the leveraged amount to an amount that renders the margin loan or leverage provided less secured or unsecured.
Under applicable securities laws and regulations, once a margin account for equities has been established, TradeStation Securities is obligated to require from the customer initial margin of no lower than 50% for purchases of securities and then is
obligated to require the customer to maintain its equity in the account equal to at least 25% of the value of the securities in the account. However, TradeStation Securities current internal requirement is that the customers equity not
be allowed to fall below 35% of the value of the securities in the account. If it does fall below 35%, TradeStation Securities requires the customer to increase the accounts equity to 35% of the value of the securities in the account (if not,
TradeStation Securities will perform closing transactions to bring the customer account above the maintenance requirement). TradeStation Securities also monitors the futures and forex leverage it provides on an intra-day basis and, pursuant to
exchange guidelines and other applicable rules, requires customers to deposit additional collateral, or to reduce positions, when necessary to reduce excessive leverage to an acceptable level. All of these requirements can be, and often are, raised
as TradeStation Securities deems necessary for certain accounts, groups of accounts, securities or positions, or groups of securities or positions. However, there is no assurance that a customer will be willing or able to satisfy a margin call or
pay unsecured indebtedness owed to TradeStation Securities.

(7) RECEIVABLES FROM BROKERS, DEALERS, CLEARING ORGANIZATIONS AND CLEARING
AGENTS

Amounts receivable from brokers, dealers, clearing organizations and clearing agents for equities accounts were as
follows as of September 30, 2010 and December 31, 2009, respectively (in thousands):



|                                                         |  |                   |        |  |                  |   |        | 
|-------------------------------------------------------- |  | ----------------- | ------ |  | ---------------- | - | ------ | 
|                                                         |  | September 30,2010 |        |  | December 31,2009 |  
|Securities borrowed from broker-dealers                  |  | $                 | 35,843 |  |                  | $ | 30,490 | 
|Fees and commissions receivable from clearing agents     |  |                   | 285    |  |                  |   | 947    | 
|Securities failed to deliver to broker-dealers and other |  |                   | 561    |  |                  |   | 789    | 
|                                                         |  |                   |        |  |                  |   |        | 
|                                                         |  | $                 | 36,689 |  |                  | $ | 32,226 | 
|                                                         |  |                   |        |  |                  |   |        | 



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Securities borrowed
transactions in equities accounts require TradeStation Securities to provide the counterparty with collateral in the form of cash and are recorded at the amount of cash collateral advanced to the lender. TradeStation Securities monitors the market
value of securities borrowed on a daily basis, and collateral is adjusted as necessary based upon market prices. See Note 11  COMMITMENTS AND CONTINGENCIES  General Contingencies and Guarantees. As of September 30, 2010 and
December 31, 2009, TradeStation Securities serviced most of its institutional equities accounts through J.P. Morgan Clearing Corp. and forex trades through Gain Capital Group, Inc., all on a fully-disclosed basis. Through December 31,
2009, futures trades were cleared through R.J. OBrien & Associates on a fully-disclosed basis. On January 4, 2010, TradeStation Securities converted its clearance of futures accounts using R.J. OBrien from a fully-disclosed
basis to an omnibus clearance basis. As a result of converting to omnibus clearance, TradeStation Securities received from R.J. OBrien approximately $349.0 million in futures customers funds which were then appropriately segregated in
accordance with Commodity Exchange Act rules. J.P. Morgan Clearing Corp., R.J. OBrien & Associates, and Gain Capital Group, Inc. are collectively referred to as clearing agents or clearing agent firms. These
clearing agents provide services, handle TradeStation Securities customers funds, hold securities, futures and forex positions, and remit monthly activity statements to the customers on behalf of TradeStation Securities, except that,
since R.J. OBrien provides clearance and settlement on an omnibus basis, TradeStation Securities deals directly with its futures account customers on such matters, using R.J. OBriens assistance as a back-office vendor pursuant to
an industry-standard facilities management agreement between the companies.

(8) PAYABLES TO BROKERAGE CUSTOMERS

As of September 30, 2010, payables to brokerage customers consisted primarily of cash balances in customer accounts. At
September 30, 2010 and December 31, 2009, payables to brokerage customers totaled $1.35 billion and $868.7 million, respectively. Of the $1.35 billion in payables to brokerage customers as of September 30, 2010, payables to equities
customers were $959.9 million and payables to commodities customers were $388.3 million. The $868.7 million in payables to brokerage customers as of December 31, 2009 related entirely to equities customers. The payables related to equities
customers are the principal source of funding for margin lending. At September 30, 2010 and December 31, 2009, TradeStation Securities was not paying interest on cash balances in customer accounts.

(9) NET CAPITAL REQUIREMENTS

TradeStation Securities is subject to the net capital requirements of the SECs Uniform Net Capital Rule (Rule 15c3-1), which is administered by the SEC and FINRA, and the CFTC financial requirement
(Regulation 1.17 under the Commodity Exchange Act), which is administered by the CFTC and the NFA. Under these rules, TradeStation Securities calculates its net capital requirements using the alternative method, which requires the
maintenance of minimum net capital, as defined by the rules, equal to the highest of: (i) $1,000,000; (ii) 8.0% of domestic and foreign domiciled customer and non-customer (excluding proprietary) risk maintenance margin/performance bond
requirements for all domestic and foreign futures, options on futures contracts and cleared over-the-counter derivatives positions, excluding the risk margin associated with naked long option positions; or (iii) 2.0% of aggregate customer debit
balances. At September 30, 2010, TradeStation Securities had net capital of approximately $72.0 million (70.5% of aggregate debit items), which was approximately $69.0 million in excess of its required net capital of approximately $3.0 million.
At December 31, 2009, TradeStation Securities had net capital of approximately $85.6 million (95% of aggregate debit items), which was approximately $83.8 million in excess of its required net capital of approximately $1.8 million.

(10) FAIR VALUE MEASURES

The Fair Value Measurements and Disclosures Topic of the FASB ASC (the Fair Value Measurements and Disclosures Topic)
establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. In accordance with guidance under the Fair Value Measurements and Disclosures
Topic, three levels of inputs may be used to measure fair value:

Level 1 Level 1 inputs are quoted prices
in active markets for identical assets or liabilities. The Companys Level 1 assets consist of U.S. Treasury Bills and Notes (U.S. Treasuries) and actively-traded, marketable, exchange-listed equity securities. As of
September 30, 2010, the Companys U.S. Treasuries had maturities ranging from October 2010 to December 2011.



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Level 2 Level 2 inputs are observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, or other inputs that are observable or can be corroborated by observable market data for substantially the full
term of the assets or liabilities. The Companys Level 2 assets consist of variable rate demand note (VRDN) securities issued by various state agencies throughout Florida. The Companys VRDN investments are federal tax-exempt
instruments of high credit quality, secured by direct-pay letters of credit from a major financial institution. These investments have variable rates tied to short-term interest rates. Interest rates are reset weekly and these VRDN securities can be
tendered for sale upon notice (generally no longer than seven days) to the remarketing agent. Although the Companys VRDN securities are issued and rated as long-term securities (with a maturity date of March 2023), they are priced and traded
as short-term instruments. The Company classifies these short-term investments as available-for-sale in accordance with the Investments-Debt and Equity Securities Topic of the FASB ASC. The investments are carried at cost or par value, which
approximates the fair market value.

Level 3 Level 3 inputs are unobservable inputs regarding financial
instruments that are supported by little or no market activity and whose values are determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires
significant judgment or estimation. The Company did not hold any Level 3 assets during the three and nine months ended September 30, 2010.

The following table summarizes the basis used to measure the fair value of securities on a recurring basis in the Companys consolidated balance sheet as of September 30, 2010 (in thousands):



|                                                              |  |                    |           |  |          |   |       |           |  |   |            |  |  |   |           | 
|------------------------------------------------------------- |  | ------------------ | --------- |  | -------- | - | ----- | --------- |  | - | ---------- |  |  | - | --------- | 
|                                                              |  | September 30, 2010 |          
|                                                              |  | Level I            |           |  | Level II |   |       | Level III |  |   | Fair Value | 
|                                                              |  |                    |           | 
|Investments segregated in compliance with federal regulations |  | $                  | 1,231,947 |  |          | $ |      |           |  | $ |           |  |  | $ | 1,231,947 | 
|                                                              |  |                    |           | 
|Marketable securities                                         |  | $                  | 30,005    |  |          | $ | 5,700 |           |  | $ |           |  |  | $ | 35,705    | 
|                                                              |  |                    |           | 
|Deposits with clearing organizations                          |  | $                  | 27,963    |  |          | $ |      |           |  | $ |           |  |  | $ | 27,963    | 

The Company purchased
available-for-sale marketable securities of approximately $30.2 million and had proceeds from maturities of available-for-sale marketable securities of approximately $33.5 million during the nine months ended September 30, 2010. As of
September 30, 2010, the Company had approximately $27.9 million of available-for-sale marketable securities.

Broker-dealers are required to account for investments in marketable securities as trading investments. The Companys broker-dealer,
TradeStation Securities, had net trading investment transactions (purchases, net of proceeds and interest accreted) of $404.0 million during the nine months ended September 30, 2010. The Company capitalized its recently formed subsidiary,
TradeStation Forex,



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with $23.0 million of which TradeStation Forex invested $21.0 million in U.S. Treasury securities that had maturities longer than 90 days. As of September 30, 2010, TradeStation Securities
and TradeStation Forex had trading investments of approximately $1.29 billion. Unrealized net losses from these trading investments were approximately $888,000 during the three months ended September 30, 2010 and unrealized net gains from these
trading investments were approximately $4.0 million during the nine months ended September 30, 2010. Such unrealized net losses and net gains are reflected in the accompanying consolidated statements of income.

The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is
practicable to estimate that value:

Cash and cash equivalents, brokerage receivables and brokerage payables

For these financial instruments, the carrying amount is a reasonable estimate of fair value.

Marketable securities

For investments in U.S. Treasuries, the fair value equals the quoted market price of each U.S. Treasury Bill or U.S. Treasury Note.
Investments in VRDNs are carried at cost or par value, which approximates the fair market value. The fair value of equity securities equals the quoted market prices for such securities.

The estimated fair values of the Companys financial instruments are as follows (in thousands):



|                                                                              |  |                    |           |  |            |   |           | 
|----------------------------------------------------------------------------- |  | ------------------ | --------- |  | ---------- | - | --------- | 
|                                                                              |  | September 30, 2010 |          
|                                                                              |  | Carrying Amount    |           |  | Fair Value |  
|Financial assets:                                                             |  |                    |           |  |            |   |           | 
|Cash and cash equivalents                                                     |  | $                  | 52,512    |  |            | $ | 52,512    | 
|Cash and investments segregated in compliance with federal regulations        |  |                    | 1,277,768 |  |            |   | 1,277,768 | 
|Marketable securities                                                         |  |                    | 56,678    |  |            |   | 56,678    | 
|Receivables from brokers, dealers, clearing organizations and clearing agents |  |                    | 36,689    |  |            |   | 36,689    | 
|Receivables from brokerage customers, net                                     |  |                    | 53,227    |  |            |   | 53,227    | 
|Deposits with clearing organizations                                          |  |                    | 35,485    |  |            |   | 35,485    | 
|                                                                              |  |                   
|Financial liabilities:                                                        |  |                    |           |  |            |   |           | 
|Payables to brokers, dealers and clearing organizations                       |  |                    | 198       |  |            |   | 198       | 
|Payables to brokerage customers                                               |  |                    | 1,347,914 |  |            |   | 1,347,914 | 

(11) COMMITMENTS AND CONTINGENCIES

Restricted Cash

As of September 30, 2010 and December 31, 2009, the Company had $478,000 and $717,000 of restricted cash, respectively, supporting a ten-year lease agreement for its corporate headquarters.



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Operating Leases

The Company has a ten-year lease expiring in August 2012 (with two 5-year renewal options) that commenced in the summer of
2002 for an approximately 70,000-square-foot corporate headquarters in Plantation, Florida. Rent escalations, free rent, and leasehold and other incentives are recognized on a straight-line basis over the initial ten-year term of this lease. In
addition to its corporate headquarters, the Company has seven non-cancelable operating leases for facilities (including three data centers) with expirations ranging from January 2011 to May 2015. Future minimum lease payments as of
September 30, 2010 under all operating leases are as follows (in thousands):



|           |  |   |        | 
|---------- |  | - | ------ | 
|2010       |  | $ | 1,811  | 
|2011       |  |   | 5,299  | 
|2012       |  |   | 2,540  | 
|2013       |  |   | 166    | 
|2014       |  |   | 169    | 
|Thereafter |  |   | 71     | 
|           |  |   |        | 
|           |  | $ | 10,056 | 
|           |  |   |        | 

During the three months ended September 30, 2010 and 2009, total rent expense (which is included in
occupancy and equipment and data centers and communications expenses in the accompanying consolidated statements of income) was approximately $1.6 million and $1.3 million, respectively. During the nine months ended September 30, 2010 and 2009,
total rent expense was approximately $5.0 million and $4.1 million, respectively.

Purchase Obligations

As of September 30, 2010, the Company had various purchase obligations through December 2014 totaling approximately $4.3 million as
follows: approximately $1.0 million, $2.4 million, $767,000, $69,000 and $46,000 during the remainder of 2010, 2011, 2012, 2013 and 2014, respectively, related primarily to back-office systems and telecommunications services.

Litigation and Claims

On or about December 20, 2007, TradeStation Technologies was named as one of several defendants in a complaint filed in the United States District Court, Southern District of Texas, styled
Amacker, et. al. v. Renaissance Asset Management (RAM), et. al. Other named defendants include Anthony Michael Ramunno, Man Financial Inc., MF Global, Inc., Lind-Waldock & Company, LLC, Vision, LP, Vision Financial Markets, LLC, R.J.
OBrien & Associates, Inc., and FXCM Holdings, LLC. The initial complaint alleged that over forty plaintiffs are entitled to damages because the plaintiffs were investors in a fraudulent commodity pool operated by Mr. Ramunno and
RAM. The initial complaint alleged that TradeStation Technologies conducted trades on behalf of and at the request of Mr. Ramunno and RAM. The initial complaint attempted to allege the following claims: (i) violations of the Commodity
Exchange Act and accompanying regulations; (ii) common law fraud under Texas law; (iii) statutory fraud under the Texas Business and Commerce Code; (iv) breach of fiduciary duties under Texas law; (v) negligent and intentional
misrepresentations under Texas law; and (vi) negligence under Texas law. Plaintiffs filed a Second Amended Complaint that contained similar factual allegations and attempted to allege a single claim for aiding and abetting liability under the
Commodity Exchange Act. The Second Amended Complaint asserted actual damages of at least $32.0 million. On October 10, 2008, the court dismissed the case for failure to state a claim upon which relief may be granted. On December 2, 2008,
plaintiffs filed a notice of appeal with the United States Court of Appeals for the Fifth Circuit, and, on February 2, 2009, plaintiffs filed their Appellants Brief with that court. On March 6, 2009, TradeStation Technologies filed
its Opposition Brief. Oral arguments on the appeal were held on September 2, 2009. No decision has yet been issued by the appeals court.

TradeStation Securities was contacted by Canadian regulatory authorities regarding its acceptance of Canadian residents as clients and trading in securities on behalf of Canadian residents without being
registered in Canada. (TradeStation Securities does not accept equities accounts from Canadian residents but has, historically, accepted unsolicited futures and forex accounts from certain provinces based on what it believed to be certain relevant
exemptions or other applicable legal theories.) Since receiving that notification, TradeStation Securities has closed all British Columbian accounts and agreed to not open any new accounts for residents of British Columbia without applying for
registration or qualifying under



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an exemption. No money is being paid to British Columbia by virtue of this resolution. TradeStation Securities has also closed all accounts of residents of New Brunswick and has agreed to a
non-public undertaking for the province of New Brunswick to not open any new accounts for residents of New Brunswick without applying for registration or qualifying under an exemption. No money is being paid to New Brunswick in connection with this
undertaking. TradeStation Securities also closed all accounts of residents in Nova Scotia and on October 26, 2010, the Nova Scotia Securities Commission approved a settlement agreement between TradeStation Securities and the Nova Scotia
Securities Commission enforcement staff under which TradeStation Securities agreed to pay a C$7,500 administrative penalty and C$2,500 in costs for having maintained, between January 1, 2006 and December 31, 2008 four self-directed futures
accounts for investors resident in Nova Scotia without being licensed under applicable law. TradeStation Securities has not heard from, nor has it undertaken any negotiations with, any of the other Canadian provinces and territories. The loss of all
Canadian resident accounts would not have a material adverse impact on TradeStation Securities consolidated net revenues or net income.

On or about February 9, 2010, TradeStation Securities and TradeStation Group were named as the only defendants in a complaint filed in the United States District Court, Northern District of Illinois,
Eastern Division, styled Trading Technologies International, Inc. v. TradeStation Securities, Inc. and TradeStation Group, Inc.The complaint, as amended, alleges that TradeStation Securities and TradeStation Group have infringed and continue
to infringe five patents held by Trading Technologies International, Inc. The plaintiff seeks a judgment enjoining the alleged infringement and awarding unspecified damages and costs. The plaintiff filed similar complaints against at least nine
other companies in 2010. Discovery in this matter has commenced and a trial is scheduled for July 16, 2012. While it is too early to predict the outcome of this matter, management believes the case to be without merit and the Company intends to
defend it vigorously.

In May 2010, TradeStation Securities was served with a CFTC reparations complaint in the case styled
ATS Capital Management Corp. v. TradeStation Securities and John Sendlosky, CFTC Docket No. 10-R015. The complaint alleges the wrongful liquidation of two E-Mini futures positions, one in 2007 and the other in 2008, and seeks damages of
$529,950. On September 2, 2010, the Administrative Law Judge dismissed the complaint with prejudice on the grounds that the identical case was decided in TradeStation Securities favor in a National Futures Association arbitration
conducted in May 2009. On September 17, 2010, the complainant filed its Notice of Appeal to the Commodity Futures Trading Commission. While it is too early to predict the outcome of this matter, management believes the appeal to be without
merit and the Company intends to oppose it vigorously.

TradeStation Securities is also engaged in routine regulatory matters
and civil litigation or other dispute resolution proceedings. The pending regulatory and other matters could ultimately result in censures, sanctions, fines, damage awards, settlement payments and/or other negative consequences.

While no assurances can be given, the Company does not believe that the ultimate outcome of any of the above legal matters or claims will
result in a material adverse effect on its consolidated financial position, results of operations or cash flows.

The Company
decided, as of June 1, 2002, to no longer carry errors or omissions insurance that covers third-party claims made by brokerage customers or software subscribers as a result of alleged human or system errors, failures, acts or omissions. This
decision was made based upon the Companys assessment of the potential risks and benefits, including significant increases in premium rates, deductibles and coinsurance amounts, reductions in available per occurrence and aggregate coverage
amounts, and the unavailability of policies that sufficiently cover the types of risks that relate to the Companys business. The Company recently reviewed this insurance with insurance agents and the Companys view remains unchanged.



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Management
Continuity Agreements

In December 2005, the Company entered into a management continuity agreement with three of its
executive officers, one of whom is no longer with the Company. Each management continuity agreement provides for potential severance payments during the 100-day period following a change in control, as that term is defined in the agreement, of an
amount equal to up to two years of the executives annual compensation. The management continuity agreements do not commit the Company to retain any executives services for any fixed period of time, do not provide for severance payments
unless the Company undergoes a change in control, and did not represent new hires or appointments. As of September 30, 2010, the aggregate potential severance payments under the management continuity agreements were approximately $1.1 million.

General Contingencies and Guarantees

In the ordinary course of business, there are various contingencies which are not reflected in the consolidated financial statements. These include customer activities involving the execution, settlement
and financing or provision of leverage for various customer securities, futures and forex transactions. These activities may expose the Company to off-balance sheet credit risk in the event the customers are unable to fulfill their contractual
obligations.

In margin transactions, TradeStation Securities may be obligated for credit or leverage extended to its
customers by TradeStation Securities or its clearing agents that is collateralized by cash and securities in the customers accounts. In connection with securities activities, TradeStation Securities also executes customer transactions
involving the sale of securities not yet purchased (short sales), all of which are transacted on a margin basis subject to federal, self-regulatory organization and individual exchange regulations and TradeStation Securities and
its clearing agents internal policies. New short sales rules have been imposed by regulatory authorities and more may be imposed in the near future. Additionally, TradeStation Securities may be obligated for credit extended to its customers
for futures transactions that are collateralized by cash and futures positions in the customers accounts. In all cases, such transactions may expose TradeStation Securities to significant off-balance sheet credit risk in the event customer
collateral is not sufficient to fully cover losses that customers may incur. In the event customers fail to satisfy their obligations, TradeStation Securities may be required to purchase or sell financial instruments at prevailing market prices to
fulfill the customers obligations.

TradeStation Securities seeks to manage the risks associated with its
customers activities by requiring customers to maintain collateral in their margined and leveraged accounts in compliance with various regulatory requirements, internal requirements and the requirements of clearing agents. TradeStation
Securities and its clearing agents monitor required margin and leverage levels on an intra-day basis and, pursuant to such guidelines, require the customers to deposit additional collateral or to reduce positions when necessary. For further
discussion, see Note 6  RECEIVABLES FROM BROKERAGE CUSTOMERS, NET.

TradeStation Securities borrows securities
temporarily from other broker-dealers in connection with its broker-dealer business. TradeStation Securities deposits cash as collateral for the securities borrowed. Decreases in securities prices may cause the market value of the securities
borrowed to fall below the level of required collateral. In the event the counterparty to these transactions does not return the cash deposited, TradeStation Securities may be exposed to the risk of selling the securities at prevailing market
prices. TradeStation Securities seeks to manage this risk by requiring credit approvals for counterparties, by monitoring the collateral values on a daily basis, and by requiring additional collateral as needed.

Customers financing and securities settlement activities may require TradeStation Securities and its clearing agents to pledge
customer securities as collateral in support of various secured financing sources, which may include bank loans. In the event the counterparty is unable to meet its contractual obligation to return customer securities pledged as collateral,
TradeStation Securities may be exposed to the risk of needing to acquire the securities at prevailing market prices in order to satisfy its obligations. TradeStation Securities seeks to manage this risk by monitoring the market value of securities
pledged on a daily basis.



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TradeStation
Securities provides guarantees to its clearing organizations and exchanges under their standard membership agreements, which require members to guarantee the performance of other members. Under the agreements, if another member becomes unable to
satisfy its obligations to the clearing organization or exchange, other members would be required to meet shortfalls. TradeStation Securities liability under these arrangements is not quantifiable. However, management believes that the
possibility of TradeStation Securities being required to make payments of any material amount under these arrangements is relatively remote. Accordingly, no liability has been recorded for these potential events.

(12) INCOME TAXES

During the three and nine months ended September 30, 2010, the Company recorded an income tax benefit of $2.7 million and a provision
of $2.5 million, respectively, based upon its current estimated annual effective income tax rate of approximately 41% and a $2.9 million non-recurring benefit in the third quarter primarily resulting from changes to our allocations of taxable income
within various states. During the three and nine months ended September 30, 2009, the Company recorded an income tax provision of $2.4 million and $8.4 million, respectively, based upon its then-estimated annual effective income tax rate of
approximately 39%.

As of September 30, 2010, for financial reporting purposes, the Company estimates that it had
available for federal income tax purposes total net operating loss carryforwards of approximately $316,000. These net operating loss carryforwards expire in 2019.

The Company had a liability for unrecognized tax benefits of $111,000 and $301,000 as of September 30, 2010 and December 31, 2009, respectively. If these tax benefits had been recognized in the
consolidated financial statements, they would not have had a material impact on the Companys annual effective tax rate because the difference is temporary in nature. The Company does not anticipate any significant changes in uncertain tax
positions over the next twelve months.

As of September 30, 2010, the Company was subject to federal income taxes in the
U.S. and income taxes in four states, and in the United Kingdom. Tax regulations within each jurisdiction are subject to the interpretation of the related tax laws and regulations and require significant judgment to be applied. In July 2009, the
Company was notified by the Internal Revenue Service that it would undergo a routine U.S. federal tax examination for the 2007 fiscal year. In March 2010, the Company was notified that it will also undergo a routine U.S. federal tax examination for
the 2008 fiscal year and that it will undergo routine tax examinations by a state tax authority for the 2007 and 2008 fiscal years. As of the date these financial statements were filed with the SEC, the Internal Revenue Service examinations were
still open. The examinations by the state tax authority for the 2007 and 2008 fiscal years were completed with no adjustments. The Company is no longer subject to U.S. federal tax examinations or state and local tax examinations for periods prior to
2006.

Any interest and penalties, if incurred in connection with an income tax examination, would be recognized as components
of income tax expense.

(13) SEGMENT AND RELATED INFORMATION

The Company operates in two principal business segments: (i) brokerage services; and (ii) software products and services. After elimination of intercompany charges, 93% and 94%, respectively, of
the Companys consolidated net revenues in the three and nine month periods ended September 30, 2010, and 93% of the Companys consolidated net revenues in the three and nine month periods ended September 30, 2009, were generated
by the brokerage services segment. The Company evaluates the performance of its segments based on revenue and income before income taxes. The brokerage services segment represents the operations of TradeStation Securities and TradeStation Europe
Limited and the software products and services segment represents the operations of TradeStation Technologies. Intercompany transactions between segments are based upon intercompany licensing and support and expense-sharing agreements, which reflect
current business relationships and are designed to comply with applicable regulatory requirements. All significant intercompany transactions and balances have been eliminated in consolidation.



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|                                                                  |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|----------------------------------------------------------------- |  | --------------------------------------- | ------- | - | -------------------------------------- | - | ------- | ---- |  | - | ------- | - |  | - | ------- | -
|                                                                  |  | For the Three MonthsEnded September 30, |         |   | For the Nine MonthsEnded September 30, |  
|                                                                  |  | 2010                                    |         |   | 2009                                   |   |         | 2010 |  |   | 2009    |  
|                                                                  |  | (in thousands)                          |        
|                                                                  |  |                                         |         |  
|Revenues:                                                         |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|Brokerage services                                                |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|Revenues, excluding interest                                      |  | $                                       | 25,623  |   |                                        | $ | 28,219  |      |  | $ | 82,359  |   |  | $ | 92,449  |  
|Interest income                                                   |  |                                         | 2,735   |   |                                        |   | 1,593   |      |  |   | 7,616   |   |  |   | 3,870   |  
|Interest expense                                                  |  |                                         |        |   |                                        |   |        |      |  |   |        |   |  |   |        |  
|Gains (losses) on marketable securities, net                      |  |                                         | (728    | ) |                                        |   | 344     |      |  |   | 4,175   |   |  |   | 344     |  
|                                                                  |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|                                                                  |  |                                         | 27,630  |   |                                        |   | 30,156  |      |  |   | 94,150  |   |  |   | 96,663  |  
|                                                                  |  |                                         |         |  
|Software products and services                                    |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|Revenues, excluding interest                                      |  |                                         | 16,581  |   |                                        |   | 15,667  |      |  |   | 49,116  |   |  |   | 45,647  |  
|Interest income                                                   |  |                                         | 22      |   |                                        |   | 19      |      |  |   | 57      |   |  |   | 78      |  
|                                                                  |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|                                                                  |  |                                         | 16,603  |   |                                        |   | 15,686  |      |  |   | 49,173  |   |  |   | 45,725  |  
|                                                                  |  |                                         |         |  
|Elimination of intercompany charges to brokerage services segment |  |                                         | (14,656 | ) |                                        |   | (13,486 | )    |  |   | (43,286 | ) |  |   | (38,865 | )
|                                                                  |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|                                                                  |  | $                                       | 29,577  |   |                                        | $ | 32,356  |      |  | $ | 100,037 |   |  | $ | 103,523 |  
|                                                                  |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|                                                                  |  |                                         |         |  
|Income (loss) before income taxes:                                |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|Brokerage services                                                |  | $                                       | (6,678  | ) |                                        | $ | (925    | )    |  | $ | (6,761  | ) |  | $ | 1,225   |  
|Software products and services                                    |  |                                         | 7,004   |   |                                        |   | 6,988   |      |  |   | 19,916  |   |  |   | 20,253  |  
|                                                                  |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  
|                                                                  |  | $                                       | 326     |   |                                        | $ | 6,063   |      |  | $ | 13,155  |   |  | $ | 21,478  |  
|                                                                  |  |                                         |         |   |                                        |   |         |      |  |   |         |   |  |   |         |  



|                               |  |                        |           |  |                       |   |           | 
|------------------------------ |  | ---------------------- | --------- |  | --------------------- | - | --------- | 
|                               |  | As ofSeptember 30,2010 |           |  | As ofDecember 31,2009 |  
|                               |  | (in thousands)         |          
|                               |  |                       
|Identifiable assets:           |  |                        |           |  |                       |   |           | 
|Brokerage services             |  | $                      | 1,478,889 |  |                       | $ | 980,147   | 
|Software products and services |  |                        | 56,083    |  |                       |   | 69,049    | 
|                               |  |                        |           |  |                       |   |           | 
|                               |  | $                      | 1,534,972 |  |                       | $ | 1,049,196 | 
|                               |  |                        |           |  |                       |   |           | 

(14) STOCK BUY-BACK PLAN

In October 2006, the Companys Board of Directors authorized, and the Company announced, the use of up to $60 million of the Companys available and unrestricted cash, over a four-year period,
to repurchase shares of its common stock in the open market or through privately-negotiated transactions. The stock repurchases are authorized to be made pursuant to a Rule 10b5-1 plan. The four-year period commenced on November 13, 2006 and
ends on November 12, 2010. Pursuant to the buy-back plan, up to $1.25 million of Company cash during each full calendar month (and a prorated amount during the first and last months) of the four-year period (i.e., up to $15 million per 12-month
period and up to $60 million for the four-year period) has been authorized to be used to purchase Company shares at prevailing prices, subject to compliance with applicable securities laws, rules and regulations, including Rules 10b5-1 and 10b-18.
The buy-back plan does not obligate the Company to acquire any specific number of shares in any period, and may be modified, suspended, extended or discontinued at any time without prior notice.



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During the three
months ended September 30, 2010, the Company used approximately $3.75 million to purchase 583,079 shares of its common stock at an average price of $6.43 per share. During the nine months ended September 30, 2010, the Company used
approximately $11.2 million to purchase 1,601,231 shares of its common stock at an average price of $7.01 per share. Since commencement of this buy-back plan on November 13, 2006, through September 30, 2010, the Company has used
approximately $58.1 million to purchase 6,751,486 shares of its common stock at an average price of $8.60 per share. All shares purchased have been retired. See ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS 
(c) Share Repurchases in PART II  OTHER INFORMATION of this report.



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|ITEM 2. | MANAGEMENTS DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
|------- | -------------------------------------------------------------------------------------

This discussion should be read and evaluated in conjunction with the Consolidated Financial Statements and the Notes to Consolidated
Financial Statements of TradeStation Group and its subsidiaries contained in this report and with the issues, uncertainties and risk factors related to our business and industry described in ITEM 1A. RISK FACTORS of PART I of the Annual
Report on Form 10-K of TradeStation Group for the year ended December 31, 2009. The results of operations for an interim period are not necessarily indicative of results for the year, or for any subsequent period.

Overview and Recent Developments

TradeStation Securities (Member NYSE, FINRA, SIPC, DTCC, OCC & NFA) is a licensed securities broker-dealer and a registered futures commission merchant, and also a member (or shareholder with
rights equivalent to membership) of the Boston Options Exchange, Chicago Board Options Exchange, Chicago Stock Exchange, International Securities Exchange and NASDAQ OMX. TradeStation Securities business is also subject to the rules and
requirements of the Securities and Exchange Commission (SEC), Commodity Futures Trading Commission (CFTC) and state regulatory authorities (the firm is registered to conduct its brokerage business in all 50 states and the District of Columbia).
TradeStation Securities self-clears most of its equities and equity and index options business, uses an established futures clearing firm to clear its futures business on an omnibus clearance basis (in January 2010, TradeStation Securities completed
a transition of its futures clearance arrangement from a fully-disclosed relationship to an omnibus clearance relationship basis with a facilities management agreement), and uses an established forex dealer firm to clear its forex business, although
we are in the process of establishing ourselves as a principal forex dealer that will act as counterparty to customers trades through the use of an established electronic market matching service and a prime brokerage relationship with a large
U.S. financial firm. As part of this restructuring of our forex business model, we recently formed a wholly-owned subsidiary, TradeStation Forex, Inc., a Florida corporation, with the intent that TradeStation Forex, by the end of the 2010 year, will
assume, own and conduct all TradeStation forex brokerage business as a Retail Foreign Exchange Dealer (RFED) with the National Futures Association (NFA), and registered under such classification with the CFTC. TradeStation Forexs
application for such CFTC registration and NFA membership was made with the NFA in June 2010.

TradeStation Securities
revenues consist primarily of transactional commissions and fees (including monthly platform fees), and interest income derived from customer cash balances and margin lending to customers.

As of September 30, 2010, TradeStation Securities had 47,434 equities, futures and forex accounts (the vast majority of which are
equities and futures accounts), a net increase of 121 accounts, or 0.3%, when compared to 47,313 accounts as of June 30, 2010, and a net increase of 1,865 accounts, or 4%, when compared to 45,569 accounts as of September 30, 2009. We
define a brokerage account as one that either has a positive asset balance of at least $200 or has had activity within the past 180 days. In other words, an account is deemed inactive and is not included in counting total brokerage accounts if it
has had less than a $200 balance and has had no activity within the past 180 days.



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During the three and
nine months ended September 30, 2010, TradeStation Securities brokerage customer accounts had 75,746 and 82,929 daily average revenue trades (often called DARTs), respectively, a decrease of 5% and 12%, respectively, when
compared to 79,577 and 94,064 DARTs during the three and nine months ended September 30, 2009. The following table presents certain brokerage metrics and account information:



|                                                   |  |                                         |        |  |                                        |   |        |         |  |  |      |   |  |      |        |  |         |   |        |  |  |  |     |  
|-------------------------------------------------- |  | --------------------------------------- | ------ |  | -------------------------------------- | - | ------ | ------- |  |  | ---- | - |  | ---- | ------ |  | ------- | - | ------ |  |  |  | --- | -
|                                                   |  | For the Three Months EndedSeptember 30, |        |  | For the Nine Months EndedSeptember 30, |  
|                                                   |  | 2010                                    |        |  | 2009                                   |   |        | %Change |  |  | 2010 |   |  | 2009 |        |  | %Change |  
|                                                   |  |                                         |        |  |                                        |  
|Daily average revenue trades (DARTs)               |  |                                         | 75,746 |  |                                        |   | 79,577 |         |  |  | (5   | ) |  |      | 82,929 |  |         |   | 94,064 |  |  |  | (12 | )
|                                                   |  |                                         |        |  |                                        |  
|Self-clearing Client Balances                      |  |                                         |        |  |                                        |   |        |         |  |  |      |   |  |      |        |  |         |   |        |  |  |  |     |  
|Average equities client credit balances (millions) |  | $                                       | 927    |  |                                        | $ | 831    |         |  |  | 12   |   |  | $    | 908    |  |         | $ | 766    |  |  |  | 19  |  
|Average equities client margin balances (millions) |  | $                                       | 60     |  |                                        | $ | 37     |         |  |  | 62   |   |  | $    | 55     |  |         | $ | 33     |  |  |  | 67  |  
|                                                   |  |                                         |        |  |                                        |  
|Client Trading Activity  Per Account              |  |                                         |        |  |                                        |   |        |         |  |  |      |   |  |      |        |  |         |   |        |  |  |  |     |  
|Annualized trades                                  |  |                                         | 404    |  |                                        |   | 445    |         |  |  | (9   | ) |  |      | 445    |  |         |   | 536    |  |  |  | (17 | )
|Annualized average net revenue                     |  | $                                       | 2,288  |  |                                        | $ | 2,614  |         |  |  | (12  | ) |  | $    | 2,669  |  |         | $ | 2,912  |  |  |  | (8  | )



|                                      |  |                     |        |  |      |   |        |          |  |  |    | 
|------------------------------------- |  | ------------------- | ------ |  | ---- | - | ------ | -------- |  |  | -- | 
|                                      |  | As of September 30, |        |  |      |  
|                                      |  | 2010                |        |  | 2009 |   |        | % Change | 
|                                      |  |                     |       
|Client Account Information            |  |                     |        |  |      |   |        |          |  |  |    | 
|                                      |  |                     |       
|Total brokerage accounts              |  |                     | 47,434 |  |      |   | 45,569 |          |  |  | 4  | 
|                                      |  |                     |       
|Average assets per account  equities |  | $                   | 70,700 |  |      | $ | 67,800 |          |  |  | 4  | 
|Average assets per account  futures  |  | $                   | 21,800 |  |      | $ | 19,000 |          |  |  | 15 | 

We compute DARTs as
follows: For equities and equity and index options, a revenue trade included to calculate DARTs is a commissionable trade order placed by the customer and executed, regardless of the number of shares or contracts included in the trade order. For
futures and forex, a revenue trade included to calculate DARTs is one round-turn commissionable futures contract traded, or one round-turn lot (or forex deal) traded, regardless of the number of individual orders made and executed (i.e., one futures
or forex order may contain numerous contracts or deals, but each round-turn contract and deal is counted as a separate revenue trade). When viewing our DARTs, it should be taken into account that, for equities and equity and index options, we charge
commissions based on share volume (except for equities customers who opt for our per-trade basis commission structure commonly referred to as flat-ticket or flat-commission), and number of contracts traded. For futures, we
charge commissions on a per contract basis. It should be noted that all DARTs are not equal. The revenue we derive from each revenue trade depends on the asset in question (equities, equity and index options, futures, forex  each has a
different per unit revenue structure and cost structure), and, within each asset class, revenue per equity, contract or deal varies to the extent higher volume traders receive more favorable pricing, which they often do.

TradeStation Technologies owns all of our intellectual property. TradeStation Technologies also provides subscription services for
TradeStation. The subscription version of TradeStationis an institutional-quality service that offers strategy trading software tools that generate real-time buy and sell alerts based upon the subscribers programmed strategies,
but does not include order execution. Subscribers are charged a monthly subscription fee.

TradeStation Europe Limited is our
subsidiary in the United Kingdom. In February 2006, TradeStation Europe became authorized by the United Kingdoms FSA to act as a Securities and Futures Firm in the United Kingdom to introduce accounts to TradeStation Securities. The FSA
category of authorization is ISD Category D Arranger, meaning that TradeStation Europe may solicit and introduce UK clients who are active, experienced traders to its U.S. affiliate for equities, options, futures and forex



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account services. In February 2007, TradeStation Europe obtained its Passport pursuant to which the company may use its FSA authorization to qualify to conduct similar business
throughout the European Economic Area. As of September 30, 2010, and through the date of the filing of this report, TradeStation Europes operations and net assets are not considered to be material to our consolidated financial statements.

We recently launched our new TradeStation Prime Services division. TradeStation Prime Servicesseeks to fill
the growing need of start-up to mid-sized hedge funds, registered investment advisers, professional traders and asset managers for quality prime brokerage services which are no longer being provided by the larger firms that traditionally served this
market segment, as well as to help serve the requirement of many hedge funds (and their investors) that multiple prime brokerage relationships be maintained (to spread the risk of failure of the prime brokerage firm or relationship). TradeStation
Prime Services intends to provide execution platforms, including TradeStation, clearance and settlement of trades, and a variety of services, including start-up assistance, outsourced/direct access trading, real-time risk management,
portfolio reporting, securities lending, commission sharing agreements and capital introductions for its clients. TradeStation Securities Rule 1017 application for TradeStation Prime Services to clear trades executed
away at other brokerage firms and to engage in securities lending was approved in September 2010.

We recently
formed a wholly-owned subsidiary, TradeStation Forex, Inc., a Florida corporation (TradeStation Forex), with the intent that TradeStation Forex, by the end of the 2010 year, will assume, own and conduct all TradeStation forex brokerage
business (such business is currently owned and conducted by TradeStation Securities) as a forex dealer member (FDM) of the NFA, and registered under such classification with the CFTC. TradeStation Forexs application for such CFTC registration
and NFA membership was made with the NFA in June 2010.

In the 2010 third quarter, the Company recognized $2.9 million of
non-recurring net income tax benefits primarily resulting from changes to our allocations of taxable income within various states. Additionally, the Company capitalized approximately $4.7 million in assets (predominantly software technology) that it
acquired from a third party.

Critical Accounting Policies and Estimates

The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets
and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from those
estimates. Our significant accounting policies are described in Note 2 of Notes to Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2009  SUMMARY OF SIGNIFICANT ACCOUNTING
POLICIES. The following areas are particularly subject to managements judgments and estimates or are key components of our results of operations and financial position: Brokerage Commissions and Fees, Net Interest Income, Income Taxes, and
Uninsured Loss Reserves. Actual results could differ materially from our estimates. These areas are discussed in further detail under the heading Critical Accounting Policies and Estimates in ITEM 7 of our Annual Report on
Form 10-K for the year ended December 31, 2009.

Results of Operations

For the three and nine months ended September 30, 2010 and 2009, we operated in two principal business segments: (i) brokerage
services; and (ii) software products and services. The brokerage services segment represents the operations of TradeStation Securities and TradeStation Europe Limited (and will include TradeStation Forex once it assumes our forex brokerage
business) and the software products and services segment represents the operations of TradeStation Technologies. We ceased marketing our legacy software products and subscription software services in the U.S. market in 2000.



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Our primary sources of consolidated revenue are generated from the brokerage services segment, and the brokerage services segment should continue to produce most of our revenues for the
foreseeable future. After elimination of intercompany charges, 93% and 94% of our consolidated net revenues in the three and nine month periods ended September 30, 2010, respectively, and 93% of our consolidated net revenues in the three and
nine month periods ended September 30, 2009, were generated by the brokerage services segment. Given the size of that percentage, other than our discussion and the table in Note 13  SEGMENT AND RELATED INFORMATION in ITEM 1.
FINANCIAL STATEMENTS of PART I of this report, we will discuss our results of operations for the overall company instead of on a segmented basis. The following table presents, for the periods indicated, our consolidated statements of income data and
presentation of that data as a percentage of change from period to period (unaudited):



|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|-------------------------------------------- |  | --------------------------------------- | ------ | - | -------------------------------------- | - | ------ | ------ |  | - | ------ | - |  | ---- | ---- | - | ------ | - | ------- | - |  | - | ------- |  |  | - | ------ | - |  |  | ----- | -
|                                             |  | For the Three MonthsEnded
September 30, |        |   | For the Nine MonthsEnded
September 30, |  
|                                             |  |                                         |        |   |                                        |   |        | Change |  |   |        |   |  |      |      |   | Change |  
|                                             |  | 2010                                    |        |   | 2009                                   |   |        | $      |  |   | %      |   |  | 2010 |      |   | 2009   |   |         | $ |  |   | %       | 
|                                             |  | (in thousands, except percentages)      |        |   | (in thousands, except percentages)     |  
|Revenues:                                    |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|Brokerage commissions and fees               |  | $                                       | 26,031 |   |                                        | $ | 28,623 |        |  | $ | (2,592 | ) |  |      | (9   | ) |        | $ | 83,435  |   |  | $ | 93,422  |  |  | $ | (9,987 | ) |  |  | (11   | )
|                                             |  |                                         |        |   |                                        |   |        |       
|Interest income                              |  |                                         | 2,757  |   |                                        |   | 1,612  |        |  |   | 1,145  |   |  |      | 71   |   |        |   | 7,673   |   |  |   | 3,948   |  |  |   | 3,725  |   |  |  | 94    |  
|Brokerage interest expense                   |  |                                         |       |   |                                        |   |       |        |  |   |       |   |  |      |     |   |        |   |        |   |  |   |        |  |  |   |       |   |  |  |      |  
|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|Net interest income                          |  |                                         | 2,757  |   |                                        |   | 1,612  |        |  |   | 1,145  |   |  |      | 71   |   |        |   | 7,673   |   |  |   | 3,948   |  |  |   | 3,725  |   |  |  | 94    |  
|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|                                             |  |                                         |        |   |                                        |   |        |       
|Subscription fees and other                  |  |                                         | 1,517  |   |                                        |   | 1,777  |        |  |   | (260   | ) |  |      | (15  | ) |        |   | 4,754   |   |  |   | 5,809   |  |  |   | (1,055 | ) |  |  | (18   | )
|                                             |  |                                         |        |   |                                        |   |        |       
|Gains (losses) on marketable securities, net |  |                                         | (728   | ) |                                        |   | 344    |        |  |   | (1,072 | ) |  |      | (312 | ) |        |   | 4,175   |   |  |   | 344     |  |  |   | 3,831  |   |  |  | 1,114 |  
|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|Net revenues                                 |  |                                         | 29,577 |   |                                        |   | 32,356 |        |  |   | (2,779 | ) |  |      | (9   | ) |        |   | 100,037 |   |  |   | 103,523 |  |  |   | (3,486 | ) |  |  | (3    | )
|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|                                             |  |                                         |        |   |                                        |   |        |       
|Expenses:                                    |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|Employee compensation and benefits           |  |                                         | 11,400 |   |                                        |   | 10,509 |        |  |   | 891    |   |  |      | 8    |   |        |   | 34,055  |   |  |   | 31,662  |  |  |   | 2,393  |   |  |  | 8     |  
|Clearing and execution                       |  |                                         | 6,952  |   |                                        |   | 7,160  |        |  |   | (208   | ) |  |      | (3   | ) |        |   | 22,452  |   |  |   | 23,822  |  |  |   | (1,370 | ) |  |  | (6    | )
|Data centers and communications              |  |                                         | 3,403  |   |                                        |   | 2,902  |        |  |   | 501    |   |  |      | 17   |   |        |   | 10,846  |   |  |   | 8,551   |  |  |   | 2,295  |   |  |  | 27    |  
|Marketing                                    |  |                                         | 1,791  |   |                                        |   | 1,453  |        |  |   | 338    |   |  |      | 23   |   |        |   | 5,070   |   |  |   | 5,046   |  |  |   | 24     |   |  |  | 1     |  
|Professional services                        |  |                                         | 1,109  |   |                                        |   | 754    |        |  |   | 355    |   |  |      | 47   |   |        |   | 2,545   |   |  |   | 2,514   |  |  |   | 31     |   |  |  | 1     |  
|Occupancy and equipment                      |  |                                         | 805    |   |                                        |   | 800    |        |  |   | 5      |   |  |      | 1    |   |        |   | 2,364   |   |  |   | 2,282   |  |  |   | 82     |   |  |  | 4     |  
|Depreciation and amortization                |  |                                         | 1,317  |   |                                        |   | 1,062  |        |  |   | 255    |   |  |      | 24   |   |        |   | 3,330   |   |  |   | 3,306   |  |  |   | 24     |   |  |  | 1     |  
|Other                                        |  |                                         | 2,474  |   |                                        |   | 1,653  |        |  |   | 821    |   |  |      | 50   |   |        |   | 6,220   |   |  |   | 4,862   |  |  |   | 1,358  |   |  |  | 28    |  
|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|                                             |  |                                         |        |   |                                        |   |        |       
|Total expenses                               |  |                                         | 29,251 |   |                                        |   | 26,293 |        |  |   | 2,958  |   |  |      | 11   |   |        |   | 86,882  |   |  |   | 82,045  |  |  |   | 4,837  |   |  |  | 6     |  
|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|                                             |  |                                         |        |   |                                        |   |        |       
|Income before income taxes                   |  |                                         | 326    |   |                                        |   | 6,063  |        |  |   | (5,737 | ) |  |      | (95  | ) |        |   | 13,155  |   |  |   | 21,478  |  |  |   | (8,323 | ) |  |  | (39   | )
|                                             |  |                                         |        |   |                                        |   |        |       
|Income tax (benefit) provision               |  |                                         | (2,730 | ) |                                        |   | 2,366  |        |  |   | (5,096 | ) |  |      | (215 | ) |        |   | 2,484   |   |  |   | 8,420   |  |  |   | (5,936 | ) |  |  | (70   | )
|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  
|Net income                                   |  | $                                       | 3,056  |   |                                        | $ | 3,697  |        |  | $ | (641   | ) |  |      | (17  | ) |        | $ | 10,671  |   |  | $ | 13,058  |  |  | $ | (2,387 | ) |  |  | (18   | )
|                                             |  |                                         |        |   |                                        |   |        |        |  |   |        |   |  |      |      |   |        |   |         |   |  |   |         |  |  |   |        |   |  |  |       |  

Three Months Ended September 30, 2010 and 2009

Net revenues were $29.6 million for the three months ended September 30, 2010, compared to $32.4 million for the three months ended
September 30, 2009, a decrease of $2.8 million, or 9%. The primary reasons for this decrease were: (i) decreased brokerage commissions and fees of $2.6 million, a 9% decrease from 2009 third quarter results, (ii) net losses on
marketable securities of $728,000 during the 2010 third quarter, compared to net gains on marketable securities of $344,000 during the 2009 third quarter, resulting in a net decrease in revenue of $1.1 million; and (iii) decreased subscription
fees and other revenues of $260,000, or 15%. These decreases were partially offset by an increase in net interest income of $1.1 million, or 71%, in the 2010 third quarter. We believe brokerage commissions and fees decreased year-over-year due
mainly to lower market volatility, as it appears that our brokerage



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customers trade more actively when market volatility is higher. Our increase in interest income was due primarily to investments in longer-term U.S. Treasury securities, TradeStations
conversion of its futures business to omnibus clearing (beginning in January 2010 we gained custody and control of our futures clients account assets), and an increase in our receivables from brokerage customers (margin balances). Of the $1.1
million decrease in revenue associated with net gains and losses on marketable securities, $988,000 resulted from marking our equity securities in CBOE Holdings, Inc. (CBOE) to market. TradeStation Securities received 80,000 shares in CBOE in place
of its previously-held membership exchange seat when CBOE completed its initial public offering in June 2010. CBOE has announced a tender offer which covers, based upon shareholder response, between 15% and 100% of these shares. If we accept the
tender offer (the final date for response is November 12, 2010), it would allow us to sell these shares for $22.50 per share. Otherwise, the shares in CBOE, which had a market value of $1.6 million as of September 30, 2010, are subject to
a lock-up restriction that prohibits the sale of 50% of the shares until December 2010 and the remaining 50% until June 2011. We do not anticipate that we will sell any of our CBOE shares as part of the tender offer which expires on
November 12, 2010. If TradeStation Securities holds its current portfolio of U.S. Treasury securities until maturity, unrealized gains of $2.6 million will reverse between September 30, 2010 and the maturity of each U.S. Treasury security
as unrealized losses. As of September 30, 2010, the weighted average remaining maturity term of these investments was approximately eight months. Changes in the fair values of these and future investments may result in unrealized gains and
losses, or, if such instruments are sold, realized gains or losses. We do not consider any of these unrealized gains (or future reversals thereof) or any future unrealized gains or losses to be important in evaluating our company or its operations,
as ownership of these securities as investments is not core to our business or our business model.

Net income was
approximately $3.1 million for the three months ended September 30, 2010, compared to $3.7 million for the three months ended September 30, 2009, a decrease of $641,000, or 17%. The decrease resulted primarily from a $3.0 million, or 11%,
increase in total expenses (which included a decrease in clearing and execution expense of $208,000, or 3%), a decrease of $2.6 million, or 9%, in brokerage commissions and fees, a $1.1 million decrease in revenue from net gains and losses on
marketable securities, and a $260,000, or 15%, decrease in subscription fees and other revenues, partially offset by our $5.1 million decrease in our income tax provision and a $1.1 million, or 71%, increase in interest income. The $5.1 million
decrease in our income tax provision included $2.9 million of non-recurring net income tax benefits primarily resulting from changes to our allocations of taxable income within various states.

Income before income taxes was $326,000 (1% of net revenues) for the three months ended September 30, 2010, compared to $6.1 million
(19% of net revenues) for the three months ended September 30, 2009, a decrease of $5.7 million, or 95%. The $5.7 million decrease in income before income taxes was due primarily to our decrease in brokerage commissions and fees of $2.6
million, a decrease in revenues from net gains and losses on marketable securities of $1.1 million, an increase in employee compensation and benefits expense of $891,000 (mostly resulting from the January 2010 merit salary increases for employees
and the expansion of our TradeStation Prime Services division and our technology departments), a $768,000 accrual pertaining to certain potential state sales tax obligations, and an increase in data centers and communications costs of
$501,000, partially offset by an increase in net interest income of $1.1 million. Our pre-tax margin decreased from 19% to 1% due primarily to the decrease in brokerage commissions and fees, the decrease in revenues from net gains and losses on
marketable securities, the increase in employee compensation and benefits, the accrual pertaining to certain potential state sales tax obligations, and the increase in data centers and communications costs, partially offset by the increase in net
interest income. Excluding the $728,000 of net losses on marketable securities, our pre-tax margin (income before income taxes divided by net revenues) for the three months ended September 30, 2010 would have been 3%. Excluding the $344,000 of
net gains on marketable securities, our pre-tax margin for the three months ended September 30, 2009 would have been 18%. We believe that excluding the gains and losses on marketable securities from our pre-tax margin calculation provides
investors with a more accurate view of our operating results since we do not believe those unrealized gains are important to our core business.



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During the three
months ended September 30, 2010, we recorded a net income tax benefit of $2.7 million, which includes a $2.9 million non-recurring net benefit primarily resulting from changes to our allocations of taxable income within various states,
partially offset by a tax provision for the current period which is based upon our current estimated annual effective income tax rate of approximately 41%. During the three months ended September 30, 2009, we recorded an income tax provision of
$2.4 million based upon our then-estimated annual effective income tax rate of approximately 39%. See Income Taxes below.

Revenues

Brokerage Commissions and Fees  Brokerage commissions and fees consist of commissions for equities, futures
and forex transactions and, to a lesser extent, monthly platform and other fees earned from brokerage customers using the TradeStationonline trading platform. For the three months ended September 30, 2010, brokerage commissions and fees
were approximately $26.0 million, compared to $28.6 million for the three months ended September 30, 2009. This $2.6 million, or 9%, decrease was due primarily to decreased brokerage commissions and fees of $2.2 million from lower trading
volume related mostly, we believe, to lower market volatility during the 2010 third quarter as compared to the 2009 third quarter (generally, as market volatility decreases our customer accounts trade volume decreases). We continuously review
and assess our pricing, and we may adjust or restructure our commission and fee offerings from time to time in response to competitive pressures if and when they arise or as strategic pricing initiatives.

Interest Income  Interest income consists of interest earned on securities brokerage customer cash balances and margin
lending balances, interest earned on futures brokerage customer cash balances (in 2010) and interest shared with us by our futures clearance agent (prior to 2010), and interest earned on corporate cash and cash equivalents and certain marketable
securities. For the three months ended September 30, 2010, interest income was $2.8 million, compared to $1.6 million for the three months ended September 30, 2009. This $1.1 million, or 71%, increase was due primarily to investments in
longer-term U.S. Treasury securities, TradeStations conversion of its futures business to an omnibus relationship with its clearance agent, and an increase in receivables from our brokerage customers (margin balances). The conversion to a
futures omnibus clearance relationship on January 4, 2010 increased customer funds in our custody. As of September 30, 2010, funds in our custody related to commodities accounts totaled $398.7 million. The average margin balances on our
equities accounts increased to an average of $60.2 million during the third quarter of 2010, compared to an average balance of $36.6 million during the third quarter of 2009. During the 2009 second quarter, the Company reallocated most of its
investments to U.S. Treasury securities and, to a lesser extent, money market funds that invest primarily in U.S. Treasury securities (collectively, U.S. Treasury Investment). We estimate, based on the size and nature of our customer
assets as of September 30, 2010 (and assuming for these purposes that the size and nature of our customer assets do not change), that each basis point increase or decrease in the U.S. Treasury Investments yield (based upon the tenure of the
U.S. Treasury Investments) will impact our annual net income by approximately $33,000. Interest income for future periods may be materially affected by changes in the U.S. Treasury Investments yield and the extent, if any, to which our customer cash
account balances and/or margin lending balances increase or decrease, as well as any decisions we may make to provide more or less favorable debit or credit interest rates to our customers.

Brokerage Interest Expense  Brokerage interest expense consists of amounts paid or payable to brokerage customers based on
credit balances maintained in brokerage accounts and other brokerage-related interest expense. Brokerage interest expense does not include interest on company borrowings, which, if any, would be included in Expenses  Otherbelow. We did
not incur any interest expense during the three months ended September 30, 2010 or 2009. Factors that could affect brokerage interest expense in the future include: the growth (if any) and mix of business in our brokerage customer base among
equities, futures and forex; average assets per account and the portion of account assets held in cash; and future decisions concerning credit or debit interest rates offered to our equities, futures and forex customers (as a result of changes in
short-term interest rates or for other business reasons).



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Subscription Fees
and Other  Subscription fees and other revenues consist of, primarily, monthly fees earned for providing streaming real-time, Internet-based trading analysis software tools and market data services to non-brokerage customers and, to a
lesser extent, fees for our training workshops that are designed to help customers take fuller advantage of the features and functions of the TradeStationelectronic trading platform. For the three months ended September 30, 2010,
subscription fees and other revenues were approximately $1.5 million, compared to $1.8 million during the three months ended September 30, 2009. The $260,000, or 15%, decrease was due primarily to a decrease in the number of subscribers. The
amount of subscription fees in the future will depend upon the number of subscription terminations and the number of new subscriptions each month. Subscription services have not been actively marketed in the U.S. since 2000, so it is expected that
subscription terminations will continue to exceed new subscriptions.

Gains (Losses) on Marketable Securities, Net
 Gains (losses) on marketable securities, net, consist of realized and unrealized gains or losses from TradeStation Securities investments in U.S. Treasury securities and realized and unrealized gains or losses from equity securities.
For the three months ended September 30, 2010, the net loss on marketable securities of $728,000 resulted from a $988,000 unrealized loss from marking our investment in CBOE to market, partially offset by $101,000 in net unrealized gains from
marking TradeStation Securities U.S. Treasury securities to fair value, and a gain of $159,000 from the sale of NYSE equity securities. TradeStation Securities unrealized gains of $344,000 during the three months ended September 30, 2009
were a result of marking its U.S. Treasury securities to fair value.

Expenses

Employee Compensation and Benefits  Employee compensation and benefits expenses consist primarily of employee salaries, sales
commissions and bonuses, stock-based compensation and, to a lesser extent, payroll taxes, employee benefits (including group health insurance and employer contributions to benefit programs), recruitment, temporary employee services and other related
employee costs. Employee compensation and benefits expenses were $11.4 million for the three months ended September 30, 2010, compared to $10.5 million for the three months ended September 30, 2009, an increase of approximately $891,000,
or 8%. This increase was due primarily to increases in wages paid to employees of $829,000 mostly resulting from the January 2010 merit salary increases for employees and the expansion of our TradeStation Prime Services Divisionand
technology departments, partially offset by decreased sales commissions and employee bonuses. During the three months ended September 30, 2010, there were an average of 398 full-time equivalent employees, compared to 395 full-time equivalent
employees during the three months ended September 30, 2009.

Clearing and Execution  Clearing and execution
expenses include the costs associated with executing and clearing customer trades, including fees paid to clearing agents and clearing organizations, exchanges and other market centers, fees and royalties paid for the licensing of self-clearing,
back-office software systems and related services, and commissions paid to third-party broker-dealers. Clearing and execution expenses were approximately $7.0 million for the three months ended September 30, 2010, compared to $7.2 million for
the three months ended September 30, 2009, a decrease of approximately $208,000, or 3%. The decrease in clearing and execution expenses, which as a percentage of brokerage commissions and fees was 27% during the three months ended
September 30, 2010 and 25% during the three months ended September 30, 2009, was due primarily to a change in our mix of business among asset classes and a $245,000 increase in the fixed portion of futures clearing costs due to our
conversion to a futures omnibus clearance relationship with our clearing agent in January 2010.

Data Centers and
Communications  Data centers and communications expenses consist of: (i) data communications costs necessary to connect our server farms directly to electronic marketplaces, data sources and to each other; (ii) data
communications costs and rack space at our facilities where the data server farms are located; (iii) data distribution and exchange fees; and (iv) telephone, Internet and other communications costs. Data centers and communications expenses
were $3.4 million for the three months ended September 30, 2010, compared to $2.9 million for the three months ended September 30, 2009, an increase of $501,000, or 17%. This increase was due primarily to increases in server farm costs of
$274,000 and increases in exchange fees of $177,000. The increases in server farm costs resulted from increases in rack space, power and bandwidth charges and a new server farm which is under development.



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Marketing
 Marketing expenses are comprised of marketing programs, primarily: advertising in various media, including Internet, direct mail, television and print media; account opening kits, and related postage; brochures; and other promotional items,
including exhibit costs for industry events. Marketing expenses were $1.8 million for the three months ended September 30, 2010, compared to $1.5 million for the three months ended September 30, 2009, an increase of $338,000, or 23%. Our
marketing expenses in future quarters may vary significantly as a result of several factors, which may include the success of current and future sales and marketing campaigns and strategies, the mix of advertising media we use for marketing, the
launch or release of new platform versions, products or services, the offering of sales seminars, and economic and market conditions. We expect marketing expenses to increase in the first half of 2011 as result of our current marketing plans.

Professional Services  Professional services expenses consist of fees for legal, accounting, tax, and other
professional and consulting services. Professional services expenses were approximately $1.1 million for the three months ended September 30, 2010, compared to $754,000 for the three months ended September 30, 2009, an increase of
$355,000, or 47%. The increase is primarily the result of consulting and legal fees.

Occupancy and Equipment 
Occupancy and equipment expenses consist of rent, utilities, property taxes, repairs, maintenance and other expenses pertaining to our office and facilities space. Occupancy and equipment expenses were $805,000 for the three months ended
September 30, 2010, compared to $800,000 for the three months ended September 30, 2009.

Depreciation and
Amortization  Depreciation and amortization expenses consist primarily of depreciation on property and equipment and, to a lesser extent, amortization of intangible assets. Depreciation and amortization expenses were $1.3 million for the
three months ended September 30, 2010, compared to $1.1 million for the three months ended September 30, 2009, an increase of $255,000, or 24%. Depreciation expense is expected to increase in the future based upon the level of capital
expenditures we deem necessary to support our current business and the growth in our business (assuming that growth occurs) and to enhance and improve the quality, reliability, speed and capacity of our brokerage services and systems, as well as
recent and possible future acquisitions of software technology from third parties. See Liquidity and Capital Resources below.

Other  Other expenses consist of insurance, regulatory fees and related costs, employee travel and entertainment, settlements for legal matters, costs related to training workshops, software
maintenance, public company expenses, supplies, postage (unrelated to sales and marketing), exchange memberships, customer debits and errors, bank charges and other administrative expenses. Other expenses were $2.5 million for the three months ended
September 30, 2010 and $1.7 million for the three months ended September 30, 2009, an increase of $821,000, or 50%. The increase is primarily due to a sales tax accrual of $768,000.

Nine Months Ended September 30, 2010 and 2009

Net revenues were
$100.0 million for the nine months ended September 30, 2010, compared to $103.5 million for the nine months ended September 30, 2009, a decrease of $3.5 million, or 3%. The primary reason for this decline was a $10.0 million, or 11%,
decrease in brokerage commissions and fees, as a result, we believe, of lower market volatility and slower account growth and decreased subscription fees and other revenues of $1.1 million, or 18%, partially offset by a $3.8 million increase in
gains on marketable securities and a $3.7 million, or 94%, increase in net interest income. The increase in net interest income was a result primarily of investments in longer-term U.S. Treasury securities, TradeStations conversion of its
futures business to omnibus clearing (beginning in January 2010 we have custody and control of futures client account assets), and an increase in our receivables from brokerage customers (margin balances). Of the $3.8 million increase in revenue
from net gains and losses on marketable securities, $1.3 million was a result of TradeStation Securities marking securities in CBOE to market. The



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remaining $2.5 million gain was primarily composed of unrealized gains on U.S. Treasury securities. If TradeStation Securities holds its current portfolio of U.S. Treasury securities until
maturity, unrealized gains of $2.6 million will reverse between September 30, 2010 and the maturity of each U.S. Treasury security as unrealized losses. As of September 30, 2010, the weighted average remaining maturity term of these
investments was approximately eight months. Changes in the fair values of these and future investments may result in unrealized gains and losses or, if such instruments are sold, realized gains or losses. We do not consider any of these unrealized
net gains (or future reversals thereof) or any future unrealized gains or losses to be important in evaluating our company or its operations, as ownership of these securities as investments is not core to our business or our business model.

Net income was approximately $10.7 million for the nine months ended September 30, 2010, compared to $13.1 million for
the nine months ended September 30, 2009, a decrease of $2.4 million, or 18%, due primarily to a decrease in brokerage commissions and fees of $10.0 million, or 11%, a $1.1 million, or 18%, decrease in subscription fees and other, a $4.8
million, or 6%, increase in total expenses (which includes a decrease in clearing and execution fees of $1.4 million, or 6%, resulting from the decrease in brokerage commissions and fees), partially offset by an increase in revenue from net gains
and losses on marketable securities of $3.8 million, a $3.7 million, or 94%, increase in net interest income, and a $5.9 million, or 70%, decrease in income tax provision. The $5.9 million decrease in our income tax provision included $2.9 million
of non-recurring net income tax benefits primarily resulting from changes to our allocations of taxable income within various states.

Income before income taxes was $13.2 million (13% of net revenues) for the nine months ended September 30, 2010, compared to $21.5 million (21% of net revenues) for the nine months ended
September 30, 2009, a decrease of $8.3 million, or 39%. Our $8.3 million decrease in income before income taxes was due primarily to our decrease in brokerage commissions and fees of $10.0 million, a decrease in subscription fees and other of
$1.1 million, an increase in employee compensation and benefits of $2.4 million (mostly resulting from the January 2010 merit salary increases for employees and the expansion of our technology departments and our TradeStation Prime Services
division), an increase in data centers and communications expenses of $2.3 million, and an increase in other expenses of $1.4 million, partially offset by an increase in net gains on marketable securities of $3.8 million, an increase in net interest
income of $3.7 million, and a decrease in clearing and execution expenses of $1.4 million. Our pre-tax margin (income before income taxes divided by net revenues) decreased from 21% to 13% due primarily to the decrease in brokerage commissions and
fees, the decrease in subscription fees and other, the increase in employee compensation and benefits expenses, the increase in data centers and communications expenses and an increase in other expenses, partially offset by the increase in revenue
from net gains and losses on marketable securities, the increase in net interest income, and the decrease in clearing and execution expenses. Excluding the $4.2 million of net gains on marketable securities, our pre-tax margin for the nine months
ended September 30, 2010 would have been 9%. Excluding the $344,000 of net gains on marketable securities, our pre-tax margin for the nine months ended September 30, 2009 would have been 20%. We believe that excluding the gains and losses from
our pre-tax margin calculation provides investors with a more accurate view of the results of our operations since we do not believe those gains and losses are important to our core business.

During the nine months ended September 30, 2010, we recorded an income tax provision of $2.5 million, which includes a non-recurring
net benefit in the third quarter primarily resulting from changes to our allocations of taxable income within various states, partially offset by a tax provision for the current period based upon our current estimated annual effective income tax
rate of approximately 41%. During the nine months ended September 30, 2009, we recorded an income tax provision of $8.4 million based upon our then-estimated annual effective income tax rate of approximately 39%. See Income Taxes below.

Revenues

Brokerage Commissions and Fees  For the nine months ended September 30, 2010, brokerage commissions and fees were
approximately $83.4 million, compared to $93.4 million for the nine months ended September 30, 2009. This $10.0 million, or 11%, decrease was due primarily to decreased brokerage commissions and fees of $10.4 million from lower trading volume
related mostly, we believe,



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to lower market volatility during the nine months ended September 30, 2010 (generally, as market volatility decreases our customer accounts trade volume decreases), partially offset by
a $440,000 increase in revenues from platform fees. We continuously review and assess our pricing, which includes commissions and platform and other fees, and we may adjust such fees from time to time in response to competitive pressures, if and
when they arise, or as strategic pricing initiatives.

Interest Income  For the nine months ended
September 30, 2010, interest income was $7.7 million, compared to $3.9 million for the nine months ended September 30, 2009. This $3.7 million, or 94%, increase was due primarily to investments in longer-term U.S. Treasury securities,
TradeStations conversion of its futures business to an omnibus relationship with its clearing agent, and an increase in our receivables from brokerage customers (margin balances). The conversion to a futures omnibus relationship with our
clearing agent increased our customer funds by $349.0 million on January 4, 2010. As of September 30, 2010, funds in our custody relating to these commodities accounts totaled $398.7 million. The average margin balances on our equities
accounts increased to an average of $54.2 million during the nine months ended September 30, 2010, compared to the average balance of $32.5 million during the nine months ended September 30, 2009. During the 2009 second quarter, the
Company reallocated most of its investments to U.S. Treasury securities, and, to a lesser extent, money market funds that invest primarily in U.S. Treasury securities (collectively, U.S. Treasury Investments). As a result, the Companys
interest income is now affected principally by the yields obtained from such investments. Historically, the weighted average rate of interest for equities accounts was based upon the federal funds daily effective rate of interest and, for futures
accounts, was based on the federal funds target rate of interest. We estimate, based on the size and nature of our customer assets as of September 30, 2010 (and assuming for these purposes that the size and nature of our customer assets do not
change), that each basis point increase or decrease in the U.S. Treasury Investments yield (based upon the tenure of the U.S. Treasury Investments) will impact our annual net income by approximately $33,000. Interest income for future periods may be
materially affected by: changes in the U.S. Treasury Investments yield and the extent, if any, to which our customer cash account balances and/or margin lending balances increase or decrease, as well as any decisions we may make to provide more or
less favorable debit or credit interest rates to our customers.

Brokerage Interest Expense  We did not incur any
interest expense during the nine months ended September 30, 2010 or 2009. Factors that could affect brokerage interest expense in the future include: the growth (if any) and mix of business in our brokerage customer base among equities, futures
and forex; average assets per account and the portion of account assets held in cash; and future decisions concerning credit or debit interest rates offered to our equities, futures and forex customers (as a result of changes in short-term interest
rates or for other business reasons).

Subscription Fees and Other  For the nine months ended September 30,
2010, subscription fees and other revenues were approximately $4.8 million, compared to $5.8 million during the nine months ended September 30, 2009. This $1.1 million, or 18%, decrease was due primarily to the decrease in the number of
subscribers. The amount of subscription fees in the future will depend upon the number of subscription terminations and the number of new subscriptions each month. Subscription services have not been actively marketed in the U.S. since 2000, so it
is expected that subscription terminations will continue to exceed new subscriptions.

Gains (Losses) on Marketable
Securities, Net  For the nine months ended September 30, 2010, net gains on marketable securities were approximately $4.2 million, compared to $344,000 for the nine months ended September 30, 2010. For the nine months ended
September 30, 2010, the net gains on marketable securities of $4.2 million included a $2.7 million unrealized gain from marking U.S. Treasury securities to fair value, a $1.3 million unrealized gain from marking our investment in CBOE to
market, and a gain of $159,000 from the sale of NYSE equity securities. TradeStation Securities unrealized gains of $344,000 during the nine months ended September 30, 2009 were a result of marking U.S. Treasury securities to fair value.



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Expenses

Employee Compensation and Benefits  Employee compensation and benefits expenses were $34.1 million for the nine months ended
September 30, 2010, compared to $31.7 million for the nine months ended September 30, 2009, an increase of approximately $2.4 million, or 8%. This increase was due primarily to increases in wages paid to employees of $3.0 million,
partially offset by a decrease in commissions of $606,000 and bonus expense of $526,000. The $3.0 million increase in wages paid to employees mostly resulted from the January 2010 merit salary increases for employees and the expansion of our
TradeStation Prime Services Division and technology departments. During the nine months ended September 30, 2010, there were an average of 397 full-time equivalent employees, compared to 377 full-time equivalent employees during
the nine months ended September 30, 2009.

Clearing and Execution  Clearing and execution expenses were
approximately $22.5 million for the nine months ended September 30, 2010, compared to $23.8 million for the nine months ended September 30, 2009, a decrease of approximately $1.4 million, or 6%. The decrease in clearing and execution
expenses, which, as a percentage of brokerage commissions and fees, increased to 27% during the nine months ended September 30, 2010, compared to 26% during the nine months ended September 30, 2009, was primarily a result of a change in
our mix of business among asset classes and a $734,000 increase in the fixed portion of futures clearing costs due to our conversion to a futures omnibus relationship with our clearing agent in January 2010.

Data Centers and Communications  Data centers and communications expenses were $10.8 million for the nine months ended
September 30, 2010, compared to $8.6 million for the nine months ended September 30, 2009, an increase of $2.3 million, or 27%. This increase was due primarily to an $892,000 increase in exchange fees, an $852,000 increase in server farm
costs, and a $588,000 increase for circuit costs to connect our server farms to data providers and electronic marketplaces. The increase in server farm costs resulted from increases in rack space, power and bandwidth charges and a new server farm
which is under development.

Marketing  Marketing expenses for the nine months ended September 30, 2010 were
$5.1 million, compared to $5.0 million for the nine months ended September 30, 2009, an increase of $24,000, or 1%. Our marketing expenses in future quarters may vary significantly as a result of several factors, which may include the success
of current and future sales and marketing campaigns and strategies, the launch or release of new platform versions, products or services, the offering of sales seminars, and economic and market conditions. We expect marketing expenses to increase in
the first half of 2011 as result of our current marketing plans.

Professional Services  Professional services
expenses for the nine months ended September 30, 2010 were $2.5 million, compared to $2.5 million for the nine months ended September 30, 2009, an increase of $31,000, or 1%.

Occupancy and Equipment  Occupancy and equipment expenses for the nine months ended September 30, 2010 were $2.4
million, compared to $2.3 million for the nine months ended September 30, 2009, an increase of $82,000, or 4%.

Depreciation and Amortization  Depreciation and amortization expenses were $3.3 million for the nine months ended
September 30, 2010, compared to $3.3 million for the nine months ended September 30, 2009, an increase of $24,000 or 1%. Depreciation expense is expected to increase in the future based upon the level of capital expenditures we deem
necessary to support our current business and the growth in our business (assuming that growth continues) and to enhance and improve the quality, reliability, speed and capacity of our brokerage services and systems, as well as recent and possible
future acquisitions of software technology from third parties. See Liquidity and Capital Resources below.

Other
 Other expenses were $6.2 million for the nine months ended September 30, 2010, compared to $4.9 million for the nine months ended September 30, 2009, an increase of $1.4 million, or 28%, due primarily to an accrual for sales taxes
of $768,000 and increases in travel and entertainment expenses of $257,000, software maintenance of $249,000, bank charges of $205,000, referral fees of $165,000, and regulatory fees and expenses of $103,000, partially offset by decreased customer
debits and errors of $477,000.



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Variability of Quarterly Results

The operating results for any quarter are not necessarily indicative of results for any future period or for the full
year. Our quarterly revenues and operating results have varied materially in the past, and are likely to vary materially in the future. Such fluctuations may result in volatility in the price of our common stock. Our stock price has been very
volatile throughout our history as a public company. For information regarding the risks related to the variability of quarterly results, see ITEM 1A. RISK FACTORS of PART I of the Annual Report on Form 10-K of TradeStation Group for the
year ended December 31, 2009.

Income Taxes

During the three months ended September 30, 2010, we recorded an income tax benefit of $2.7 million based upon our current estimated annual effective income tax rate of approximately 41% and a $2.9
million non-recurring net income tax benefit primarily resulting from changes to our allocations of taxable income within various states. During the three months ended September 30, 2009, we recorded an income tax provision of $2.4 million
based upon our then-estimated annual effective income tax rate of approximately 39%.

As of September 30, 2010, for
financial reporting purposes, we estimate that we had available for federal income tax purposes total net operating loss carryforwards of approximately $316,000. These net operating loss carryforwards expire in 2019.

We had unrecognized tax benefits of $111,000 and $301,000 as of September 30, 2010 and December 31, 2009, respectively. If
these tax benefits had been recognized in the consolidated financial statements, they would not have had a material impact on our annual effective tax rate because the difference is temporary in nature. We do not anticipate any significant changes
in uncertain tax positions over the next twelve months.

We are currently undergoing routine U.S. federal tax examinations by
the Internal Revenue Service for the 2007 and 2008 fiscal years. During the second quarter of 2010, a state tax authority completed routine tax examinations of our 2007 and 2008 fiscal years with no adjustments. We are no longer subject to U.S.
federal tax examinations or state and local tax examinations for periods prior to 2006.

See Note 12  INCOME TAXES in
ITEM 1. FINANCIAL STATEMENTS of PART I of this report for additional discussion of income taxes.

Liquidity and Capital Resources

As of September 30, 2010, we had cash and cash equivalents of approximately $52.5 million, of which $478,000 was
restricted in support of a facility lease. We had marketable securities of approximately $56.7 million as of September 30, 2010, of which $5.7 million could be tendered for sale upon notice (generally no longer than seven days) to the
remarketing agent. The remaining $51.0 million was composed of $49.4 million in U.S. Treasury Bills with original maturities greater than three months and $1.6 million in equity securities in CBOE. On October 1, 2010, as a result of
TradeStation Securities September 30, 2010 month-end calculation under Rule 15c3-1 of the Securities Exchange Act of 1934 (see below), $4.0 million was transferred from cash and investments segregated in compliance with federal
regulations to marketable securities.

As of September 30, 2010, TradeStation Securities had: $1.28 billion of cash and
investments (U.S. Treasury Bills and U.S. Treasury Notes) segregated in compliance with federal regulations in special reserve accounts for the exclusive benefit of customers under Rule 15c3-3 under the Securities Exchange Act of 1934 (Rule
15c3-3) and other regulations; receivables from brokerage customers, net of $53.2 million; and receivables from brokers, dealers, clearing organizations and clearing agents of $36.7 million. Receivables from brokerage customers, net are principally
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loan obligations in customer equities accounts secured in part by cash and/or readily marketable securities. Receivables from and payables to brokers, dealers, clearing organizations and clearing
agents represent, primarily, current open transactions which usually settle, or can be closed out, within a few business days.

Liquidity needs relating to client trading and margin borrowing activities are met primarily through cash balances in brokerage customer
accounts, which were $1.35 billion at September 30, 2010. Management believes that brokerage cash balances and operating earnings will continue to be the primary source of liquidity for TradeStation Securities.

TradeStation Securities is subject to the net capital requirements of the SECs Uniform Net Capital Rule (Rule 15c3-1), which is
administered by the SEC and the Financial Industry Regulatory Authority (FINRA), and the CFTC financial requirement (Regulation 1.17 under the Commodity Exchange Act), which is administered by the CFTC and the NFA. Under these rules, TradeStation
Securities calculates its net capital requirements using the alternative method, which requires the maintenance of minimum net capital, as defined by the rules, equal to the highest of: (i) $1,000,000; (ii) 8.0% of domestic and
foreign domiciled customer and non-customer (excluding proprietary) risk maintenance margin/performance bond requirements for all domestic and foreign futures, options on futures contracts and cleared over-the-counter derivatives positions excluding
the risk margin associated with naked long option positions; or (iii) 2.0% of aggregate customer debit balances. At September 30, 2010, TradeStation Securities had net capital of approximately $72.0 million (70.5% of aggregate debit
items), which was approximately $69.0 million in excess of its required net capital of approximately $3.0 million.

Once
registered as an RFED with the NFA, TradeStation Forex, Inc. will be subject to the Adjusted Net Capital requirements of the CFTC (17 C.F.R. §5.7) and the NFA Financial Requirement Rule (§ 11(a)(i)). Under these rules, TradeStation Forex
is required to maintain Adjusted Net Capital of at least $20,000,000. In anticipation of becoming registered as an RFED, we contributed $23.0 million to TradeStation Forex on August 13, 2010.

In addition to net capital requirements, as a self-clearing broker-dealer TradeStation Securities is subject to DTCC, OCC and other cash
deposit requirements, which are and may continue to be large in relation to the companys total liquid assets, and which may fluctuate significantly from time to time based upon the nature and size of TradeStation Securities active trader
clients securities trading activity. As of September 30, 2010, we had security deposits and U.S. Treasury Bills totaling $35.5 million with clearing organizations for the self-clearing of equities and standardized equity option trades.
Our cash deposits with DTCC and OCC fluctuate significantly, and may increase or decrease significantly in future periods.

As
of September 30, 2010, we had no long-term debt obligations or capital lease obligations. A summary of our operating lease obligations and minimum purchase obligations (primarily related to back-office systems and telecommunications services)
is as follows (in thousands):



|                            |  |                        |        |  |      |   |       |            |  |   |            |  |  |   |     | 
|--------------------------- |  | ---------------------- | ------ |  | ---- | - | ----- | ---------- |  | - | ---------- |  |  | - | --- | 
|                            |  | Payments Due By Period |       
|Contractual obligations     |  | Total                  |        |  | 2010 |   |       | 2011 -2012 |  |   | 2013 -2015 | 
|                            |  |                        |        | 
|Operating lease obligations |  | $                      | 10,056 |  |      | $ | 1,811 |            |  | $ | 7,839      |  |  | $ | 406 | 
|                            |  |                        |        | 
|Purchase obligations        |  |                        | 4,290  |  |      |   | 1,039 |            |  |   | 3,135      |  |  |   | 116 | 
|                            |  |                        |        |  |      |   |       |            |  |   |            |  |  |   |     | 
|                            |  |                        |        | 
|Total                       |  | $                      | 14,346 |  |      | $ | 2,850 |            |  | $ | 10,974     |  |  | $ | 522 | 
|                            |  |                        |        |  |      |   |       |            |  |   |            |  |  |   |     | 

We have no operating lease obligations or minimum purchase obligations extending beyond 2015.



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In addition to the
purchase obligations set forth in the table above, we currently anticipate, in order to provide for growth of our business (there being no assurance growth will occur), capital expenditures of approximately $4.1 million for the remainder of 2010.
These capital expenditures are primarily for the purchase of computer hardware and to support the growth of our data server farms and back-office systems to help support our business. These expenditures are expected to be funded through operating
cash flows, capital leases, or a combination of the two.

In October 2006, our Board of Directors authorized, and we
announced, the use of up to $60 million of our available and unrestricted cash, over a four-year period, to repurchase shares of our common stock in the open market or through privately-negotiated transactions. The stock repurchases are authorized
to be made pursuant to a Rule 10b5-1 plan. The four-year period commenced on November 13, 2006 and ends on November 12, 2010. Pursuant to the buy-back plan, up to $1.25 million of company cash during each full calendar month (and a
prorated amount during the first and last months) of the four-year period (i.e., up to $15 million per 12-month period and up to $60 million for the four-year period) has been authorized to be used to purchase company shares at prevailing prices,
subject to compliance with applicable securities laws, rules and regulations, including Rules 10b5-1 and 10b-18. The buy-back plan does not obligate us to acquire any specific number of shares in any period, and may be modified, suspended, extended
or discontinued at any time without prior notice. For the three months ended September 30, 2010, we used approximately $3.75 million to purchase 583,079 shares of our common stock at an average price of $6.43 per share. During the nine months
ended September 30, 2010, we used approximately $11.2 million to purchase 1,601,231 shares of our common stock at an average price of $7.01 per share. Since commencement of this buy-back plan on November 13, 2006, through
September 30, 2010, we used approximately $58.1 million to purchase 6,751,486 shares of our common stock at an average price of $8.60 per share. All shares purchased have been retired. See ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES
AND USE OF PROCEEDS  (c) Share Repurchases in PART II  OTHER INFORMATION of this report.

We
anticipate that our available cash resources and cash flows from operations will be sufficient to meet our presently anticipated working capital and capital expenditure requirements through at least the next twelve months.

Net cash provided by operating activities totaled approximately $14.4 million during the nine months ended September 30, 2010,
compared to net cash used in operating activities of $11.8 million during the nine months ended September 30, 2009. The increase of $26.2 million was due primarily to changes in net brokerage assets of $27.1 million, net changes of $6.8 million
in non-brokerage working capital items, partially offset by a decrease in net income, as adjusted for non-cash items, of $7.7 million. The increase in net brokerage assets was primarily a result of a $15.0 million increase in excess deposits held at
clearing organizations and an $11.8 million increase in excess reserve deposits transferred from our marketable securities during the nine months ended September 30, 2010 in connection with TradeStation Securities conversion to a futures
omnibus arrangement.

Investing activities used cash of $8.4 million and $26.1 million during the nine months ended
September 30, 2010 and 2009, respectively. The decrease of $17.7 million was primarily due to increases in proceeds from maturities of available-for-sale marketable securities of $29.5 million, partially offset by increases of $8.6 million in
capital expenditures and $3.2 million in purchases of available-for-sale marketable securities. The increase in capital expenditures is primarily related to purchases of computer hardware to support the growth of our data server farms and computer
software to support our growing infrastructure.

Financing activities used cash of $10.7 million and $10.2 million during the
nine months ended September 30, 2010 and 2009, respectively. The primary use of cash for financing activities was $11.2 million and $11.1 million for the repurchase of company shares during the nine months ended September 30, 2010 and
2009, respectively. The increase in the net cash used in financing activities is due primarily to the decrease in proceeds from the issuance of common stock.



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Recently Issued Accounting
Standards

In July 2010, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU)
No. 2010-20, Receivables, Disclosures about the Credit Quality of Financing Receivables and the Allowance for Credit Losses (ASU 2010-20). ASU 2010-20 requires entities to provide extensive new disclosures in their financial statements
about their financing receivables, including credit risk exposures and the allowance for credit losses. Public entities are required to adopt ASU 2010-20 for disclosures of financing receivables as of the end of a reporting period for interim and
annual reporting periods ending on or after December 15, 2010. The financing receivables disclosures related to activity that occurs during a reporting period are required to be adopted by public entities for interim and annual reporting
periods beginning on or after December 15, 2010. We will adopt this guidance beginning on January 1, 2011 and we do not expect its adoption of ASU 2010-20 to have a material impact on our consolidated financial statements.

In January 2010, the FASB issued ASU No. 2010-06, Improving Disclosures about Fair Value Measurements (ASU 2010-06). ASU
2010-06 amends the Fair Value Measurements and Disclosures Topic of the FASB Accounting Standards Codification to require additional disclosures regarding fair value measurements. The amended guidance requires entities to disclose additional
information regarding assets and liabilities that are transferred between levels of the fair value hierarchy. Entities are also required to disclose information in the Level 3 Rollforward about purchases, sales, issuances and settlements on a gross
basis. In addition to these new disclosure requirements, ASU 2010-06 clarifies existing guidance pertaining to the level of disaggregation at which fair value disclosures should be made and the requirements to disclose information about the
valuation techniques and inputs used in estimating Level 2 and Level 3 fair value measurements. The guidance in ASU 2010-06 is effective for interim and annual reporting periods beginning after December 15, 2009, except for the requirement to
separately disclose purchases, sales, issuances and settlements in the Level 3 Rollforward, which becomes effective for fiscal years (and for interim periods within those fiscal years) beginning after December 15, 2010. Our adoption of ASU
2010-06, effective January 1, 2010, did not have a material impact on our consolidated financial position, results of operations or cash flows during the nine months ended September 30, 2010. We do not expect the deferred portion of the
adoption of ASU 2010-06 to have a material impact on our consolidated financial statements.

In October 2009, the FASB issued
accounting guidance that amends the criteria for allocating a contracts consideration to individual services or products in multiple deliverable arrangements. This guidance is effective prospectively for revenue arrangements entered into or
materially modified in fiscal years beginning on or after June 15, 2010. We will adopt this guidance beginning on January 1, 2011 and do not expect a material impact on our consolidated financial statements.

Off-Balance Sheet Arrangements

In the ordinary course of business, there are various contingencies which are not reflected in the consolidated financial statements. In addition to the operating leases and purchase commitments discussed
above, these include customer activities involving the execution, settlement and financing or provision of leverage for various customer securities and futures transactions. These activities may expose the company to off-balance sheet credit risk in
the event the customers are unable to fulfill their contractual obligations.

Nearly all TradeStation Securities equities
customer accounts are margin accounts and all futures and forex accounts use leverage. In margin transactions, TradeStation Securities may be obligated for credit extended to its customers by it or its clearing agents that are collateralized by cash
and securities in the customers accounts. In connection with securities activities, TradeStation Securities also executes customer transactions involving the sale of securities not yet purchased (short sales), all of which are transacted on a
margin basis subject to federal, self-regulatory organization and individual exchange regulations and TradeStation Securities and its clearing agents internal policies. New short sales rules have been imposed by regulatory authorities
and more may be imposed in the near future. Additionally,



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TradeStation Securities may be obligated for credit extended to its customers by its clearing agents for futures transactions that are collateralized by cash and futures positions in the
customers accounts. In all cases, such transactions may expose TradeStation Securities to significant off-balance sheet credit risk in the event customer collateral is not sufficient to fully cover losses that customers may incur. In the event
customers fail to satisfy their obligations, TradeStation Securities may be required to purchase or sell financial instruments at prevailing market prices to fulfill the customers obligations.

TradeStation Securities seeks to manage the risks associated with its customers activities by requiring customers to maintain
collateral in their margined and leveraged accounts in compliance with various regulatory requirements, internal requirements and the requirements of clearing agents. TradeStation Securities and its clearing agents monitor required margin and
leverage levels on an intra-day basis and, pursuant to such guidelines, require the customers to timely deposit additional collateral or to reduce positions when necessary.

TradeStation Securities provides guarantees to its clearing organizations and exchanges under their standard membership agreements, which require members to guarantee the performance of other members.
Under the agreements, if another member becomes unable to satisfy its obligations to the clearing organizations or exchanges other members would be required to meet shortfalls. TradeStation Securities liability under these arrangements is not
quantifiable. However, management believes that the possibility of the company being required to make payments under these arrangements is remote. Accordingly, no liability has been recorded for these potential events.



|ITEM 3. | QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
|------- | ----------------------------------------------------------

Market risk generally represents the risk of loss that may result from the potential change in the value of a financial instrument as a result of fluctuations in interest rates or market prices. We have
established policies, procedures and internal processes governing our management of market risks in the normal course of our business operations. We do not engage in proprietary trading and do not hold any market risk sensitive instruments for
trading purposes.

TradeStation Securities seeks to manage the risks associated with its customers activities by
requiring them to maintain margin and leverage collateral levels and reduce concentrated positions in compliance with regulatory and internal guidelines. TradeStation Securities and its clearing agents monitor required margin and leverage levels on
an intra-day basis and, pursuant to such guidelines, requires customers to deposit additional collateral, or to reduce positions, when necessary.

As a self-clearing broker-dealer, TradeStation Securities holds interest-earning assets, mainly customer funds required to be segregated in compliance with federal regulations. These funds totaled $1.28
billion at September 30, 2010. Interest-earning assets are financed primarily by short-term liabilities, which totaled $1.35 billion at September 30, 2010, in the form of customer cash balances. In addition to earning interest on the
customer funds segregated in compliance with federal regulations, TradeStation Securities earns a net interest spread on the difference between amounts earned on customer margin loans and amounts paid on customer cash balances (we are currently not
paying any interest to customers on their cash balances). TradeStation Securities also earns interest from interest revenue-sharing arrangements with its clearing agents. Changes in interest rates also affect the interest earned on our cash and cash
equivalents, marketable securities and security deposits. As of September 30, 2010: our cash and cash equivalents consisted primarily of short-term U.S. Treasury securities; our marketable securities consisted primarily of U.S. Treasury Bills,
our federal tax-exempt variable rate demand note securities that are secured by a letter of credit from Bank of America (which can be tendered for sale upon notice of no longer than seven days) and the shares of common stock owned in CBOE; and our
security deposits consisted primarily of U.S. Treasury Bills and cash deposits. Most of our cash and investments segregated in compliance with federal regulations are invested in U.S. Treasury Bills and U.S. Treasury Notes of various maturities.

We estimate, based on the size and nature of our customer assets as of September 30, 2010 (and assuming for these
purposes that the size and nature of those assets do not change), that each basis point increase or decrease in the US Treasury Investment yield, based on current maturities, results in an annual impact of approximately $33,000 to our net income.



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Equity price risk
results from exposures to changes in prices and volatilities of individual equities. As of September 30, 2010, we held 80,000 shares in CBOE which had an aggregate market value of $1.6 million. CBOE has announced a tender offer which covers,
based upon shareholder response, between 15% and 100% of these shares. If we accept the tender offer (the final date for response is November 12, 2010), it would allow us to sell these shares for $22.50 per share. Otherwise, such shares are
subject to a lock-up restriction that prohibits the sale of 50% of the shares until December 2010 and the remaining 50% until June 2011. We do not anticipate that we will sell any of our CBOE shares as part of the tender offer. Fluctuations in the
price of CBOE stock may affect our results of operations as unrealized gains or losses (or as realized gains or losses if the shares are sold). We do not consider the shares we own in CBOE to be held for trading and, unless we accept the tender
offer, we will consider selling them after the restrictions lapse.

TradeStation Securities seeks to manage risks associated
with its securities borrowing activities by requiring credit approvals for counterparties, by monitoring the collateral values for securities borrowed on a daily basis and by obtaining additional collateral as needed. See Note 11  COMMITMENTS
AND CONTINGENCIES  General Contingencies and Guaranteesin ITEM 1. FINANCIAL STATEMENTS of PART I of this report.

Our revenues and financial instruments are denominated primarily in U.S. dollars, and we do not invest in derivative financial instruments.



|ITEM 4. | CONTROLS AND PROCEDURES
|------- | -----------------------

As of the end of the period covered by this report, an evaluation of the effectiveness of the design and operation of the companys
disclosure controls and procedures was made under the supervision and with the participation of the companys management, including the Chief Executive Officer and the Chief Financial Officer. Based on that evaluation, the companys
management, including the Chief Executive Officer and the Chief Financial Officer, concluded that the companys disclosure controls and procedures were effective at the reasonable assurance level as of the end of the period covered by this
report. A system of controls, no matter how well designed and operated, cannot provide absolute assurance that the objectives of the system of controls are met, and no evaluation of controls can provide absolute assurance that all control issues and
instances of fraud, if any, within a company have been detected.

There have been no changes in the companys internal
control over financial reporting that occurred during the third quarter of 2010 that have materially affected, or are reasonably likely to materially affect, the companys internal control over financial reporting.



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PART II - OTHER
INFORMATION



|ITEM 1. | LEGAL PROCEEDINGS
|------- | -----------------

On or
about December 20, 2007, TradeStation Technologies was named as one of several defendants in a complaint filed in the United States District Court, Southern District of Texas, styled Amacker, et. al. v. Renaissance Asset Management (RAM),
et. al. Other named defendants include Anthony Michael Ramunno, Man Financial Inc., MF Global, Inc., Lind-Waldock & Company, LLC, Vision, LP, Vision Financial Markets, LLC, R.J. OBrien & Associates, Inc., and FXCM
Holdings, LLC. The initial complaint alleged that over forty plaintiffs are entitled to damages because the plaintiffs were investors in a fraudulent commodity pool operated by Mr. Ramunno and RAM. The initial complaint alleged that
TradeStation Technologies conducted trades on behalf of and at the request of Mr. Ramunno and RAM. The initial complaint attempted to allege the following claims: (i) violations of the Commodity Exchange Act and accompanying regulations;
(ii) common law fraud under Texas law; (iii) statutory fraud under the Texas Business and Commerce Code; (iv) breach of fiduciary duties under Texas law; (v) negligent and intentional misrepresentations under Texas law; and
(vi) negligence under Texas law. Plaintiffs filed a Second Amended Complaint that contained similar factual allegations and attempted to allege a single claim for aiding and abetting liability under the Commodity Exchange Act. The Second
Amended Complaint asserted actual damages of at least $32.0 million. On October 10, 2008, the court dismissed the case for failure to state a claim upon which relief may be granted. On December 2, 2008, plaintiffs filed a notice of appeal
with the United States Court of Appeals for the Fifth Circuit, and, on February 2, 2009, plaintiffs filed their Appellants Brief with that court. On March 6, 2009, TradeStation Technologies filed its Opposition Brief. Oral arguments
on the appeal were held on September 2, 2009. No decision has yet been issued by the appeals court.

TradeStation
Securities was contacted by Canadian regulatory authorities regarding its acceptance of Canadian residents as clients and trading in securities on behalf of Canadian residents without being registered in Canada. (TradeStation Securities does not
accept equities accounts from Canadian residents but has, historically, accepted unsolicited futures and forex accounts from certain provinces based on what it believed to be certain relevant exemptions or other applicable legal theories.) Since
receiving that notification, TradeStation Securities has closed all British Columbian accounts and agreed to not open any new accounts for residents of British Columbia without applying for registration or qualifying under an exemption. No money is
being paid to British Columbia by virtue of this resolution. TradeStation Securities has also closed all accounts of residents of New Brunswick and has agreed to a non-public undertaking for the province of New Brunswick to not open any new accounts
for residents of New Brunswick without applying for registration or qualifying under an exemption. No money is being paid to New Brunswick in connection with this undertaking. TradeStation Securities also closed all accounts of residents in Nova
Scotia and on October 26, 2010, the Nova Scotia Securities Commission approved a settlement agreement between TradeStation Securities and the Nova Scotia Securities Commission enforcement staff under which TradeStation Securities agreed to pay
a C$7,500 administrative penalty and C$2,500 in costs for having maintained, between January 1, 2006 and December 31, 2008 four self-directed futures accounts for investors resident in Nova Scotia without being licensed under applicable
law. TradeStation Securities has not heard from, nor has it undertaken any negotiations with, any of the other Canadian provinces and territories. The loss of all Canadian resident accounts would not have a material adverse impact on TradeStation
Securities consolidated net revenues or net income.

On or about February 9, 2010, TradeStation Securities and
TradeStation Group were named as the only defendants in a complaint filed in the United States District Court, Northern District of Illinois, Eastern Division, styled Trading Technologies International, Inc. v. TradeStation Securities, Inc. and
TradeStation Group, Inc.The complaint, as amended, alleges that TradeStation Securities and TradeStation Group have infringed and continue to infringe five patents held by Trading Technologies International, Inc. The plaintiff seeks a judgment
enjoining the alleged infringement and awarding unspecified damages and costs. The plaintiff filed similar complaints against at least nine other



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companies in 2010. Discovery in this matter has commenced and a trial is scheduled for July 16, 2012. While it is too early to predict the outcome of this matter, management believes the
case to be without merit and we intend to defend it vigorously.

In May 2010, TradeStation Securities was served with a CFTC
reparations complaint in the case styled ATS Capital Management Corp. v. TradeStation Securities and John Sendlosky, CFTC Docket No. 10-R015. The complaint alleges the wrongful liquidation of two E-Mini futures positions, one in 2007 and
the other in 2008, and seeks damages of $529,950. On September 2, 2010, the Administrative Law Judge dismissed the complaint with prejudice on the grounds that the identical case was decided in TradeStation Securities favor in a National
Futures Association arbitration conducted in May 2009. On September 17, 2010, the complainant filed its Notice of Appeal to the Commodity Futures Trading Commission. While it is too early to predict the outcome of this matter, management
believes the appeal to be without merit and we intend to oppose it vigorously.

Also see Note 11  COMMITMENTS AND
CONTINGENCIES  Litigation and Claims in ITEM 1. FINANCIAL STATEMENTS of PART I of this report.



|ITEM 1A. | RISK FACTORS
|-------- | ------------

There have
been no material changes in risk factors during 2010 through the date of this report from those previously discussed in ITEM 1A. RISK FACTORS of PART I of the Annual Report on Form 10-K of TradeStation Group for the year ended December 31,
2009. In reading and evaluating the information set forth in this report we refer you to the issues, uncertainties and risk factors disclosed in our Annual Report on Form 10-K for the year ended December 31, 2009.



|ITEM 2. | UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
|------- | -----------------------------------------------------------

(c) Share Repurchases

In October 2006, our Board of Directors authorized,
and we announced, the use of up to $60 million of our available and unrestricted cash, over a four-year period, to repurchase shares of our common stock in the open market or through privately-negotiated transactions. The stock repurchases are
authorized to be made pursuant to a Rule 10b5-1 plan. The four-year period commenced on November 13, 2006 and ends on November 12, 2010. Pursuant to the buy-back plan, up to $1.25 million of company cash during each full calendar month
(and a prorated amount during the first and last months) of the four-year period (i.e., up to $15 million per 12-month period and up to $60 million for the four-year period) has been authorized to be used to purchase company shares at prevailing
prices, subject to compliance with applicable securities laws, rules and regulations, including Rules 10b5-1 and 10b-18. The buy-back plan does not obligate us to acquire any specific number of shares in any period, and may be modified, suspended,
extended or discontinued at any time without prior notice.

The following table sets forth information on our common stock
buy-back program for the quarter ended September 30, 2010:



|               |  |                                |         |  |                            |   |      |                                                                   |  |  |                                                                           |  |  |   |           | 
|-------------- |  | ------------------------------ | ------- |  | -------------------------- | - | ---- | ----------------------------------------------------------------- |  |  | ------------------------------------------------------------------------- |  |  | - | --------- | 
|               |  | Total number ofsharespurchased |         |  | Averageprice paidper share |   |      | Total number ofshares 
purchased aspart of publiclyannounced plan |  |  | Approximate dollarvalue of 
shares thatmay yet be purchasedunder the plan | 
|July 2010      |  |                                | 186,455 |  |                            | $ | 6.70 |                                                                   |  |  | 6,354,862                                                                 |  |  | $ | 4,250,000 | 
|August 2010    |  |                                | 205,974 |  |                            |   | 6.07 |                                                                   |  |  | 6,560,836                                                                 |  |  |   | 3,000,000 | 
|September 2010 |  |                                | 190,650 |  |                            |   | 6.56 |                                                                   |  |  | 6,751,486                                                                 |  |  |   | 1,750,000 | 
|               |  |                                |         |  |                            |   |      |                                                                   |  |  |                                                                           |  |  |   |           | 
|Total          |  |                                | 583,079 |  |                            |   | 6.43 |                                                                   |  |  |                                                                           |  |  |   |           | 
|               |  |                                |         |  |                            |   |      |                                                                   |  |  |                                                                           |  |  |   |           | 



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|ITEM 6. | EXHIBITS
|------- | --------

The following exhibits are
filed as part of this report:



|            |  |                                                                                                                                                                                                                                                                       
|----------- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Exhibit No. |  | Description                                                                                                                                                                                                                                                           
|10.1        |  | First Amendment to TradeStation Group, Inc. Nonemployee Director Incentive Stock Plan.#                                                                                                                                                                               
|            | 
|10.2        |  | Asset Purchase Agreement, dated as of August 23, 2010, between TradeStation Technologies, Inc. and RINA Technologies, LLC (incorporated by reference to Exhibit 10.1 to TradeStation
Groups Current Report on Form 8-K filed with the Commission on August 23, 2010).
|            | 
|31.1        |  | Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934.                                                                                                                                         
|            | 
|31.2        |  | Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934.                                                                                                                                         
|            | 
|32.1        |  | Certification of Chief Executive Officer under 18 U.S.C. §1350.                                                                                                                                                                                                       
|            | 
|32.2        |  | Certification of Chief Financial Officer under 18 U.S.C. §1350.                                                                                                                                                                                                       



|# | Indicates a management contract or compensatory plan or arrangement.
|- | --------------------------------------------------------------------



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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.



|                 |  |                                                      
|---------------- |  | -----------------------------------------------------
|                 |  | TradeStation Group, Inc.                             
|                 |  | Registrant                                           
|                 | 
|November 5, 2010 |  | /s/ David H. Fleischman                              
|Date             |  | David H. Fleischman                                  
|                 |  | Chief Financial Officer,                             
|                 |  | Vice President of Finance and Treasurer              
|                 |  | (Signing in his capacity as duly authorized officer  
|                 |  | and as Principal Financial Officer of the Registrant)



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EXHIBIT INDEX



|            |  |                                                                                                                                                                                                                                                                       
|----------- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Exhibit No. |  | Description                                                                                                                                                                                                                                                           
|10.1        |  | First Amendment to TradeStation Group, Inc. Nonemployee Director Incentive Stock Plan.#                                                                                                                                                                               
|            | 
|10.2        |  | Asset Purchase Agreement, dated as of August 23, 2010, between TradeStation Technologies, Inc. and RINA Technologies, LLC (incorporated by reference to Exhibit 10.1 to TradeStation
Groups Current Report on Form 8-K filed with the Commission on August 23, 2010).
|            | 
|31.1        |  | Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934.                                                                                                                                         
|            | 
|31.2        |  | Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934.                                                                                                                                         
|            | 
|32.1        |  | Certification of Chief Executive Officer under 18 U.S.C. §1350.                                                                                                                                                                                                       
|            | 
|32.2        |  | Certification of Chief Financial Officer under 18 U.S.C. §1350.                                                                                                                                                                                                       



|# | Indicates a management contract or compensatory plan or arrangement.
|- | --------------------------------------------------------------------



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