Exhibit 10.14
MODIFICATION AND RATIFICATION OF LEASE

     This Modification and Ratification of Lease Agreement is made and entered
into between SPRINGCREEK PLACE, LTD. (Lessor or Landlord) and TRADESTATION
TECHNOLOGIES, INC. (formerly MarketArts, Inc., a Texas corporation) (Lessee or
Tenant) for and in consideration of One Dollar ($1.00) and other good and
valuable consideration, receipt of which is hereby acknowledged.

WITNESSETH:

     1.     Lessor and Lessee hereby confirm and ratify, except as modified
below, all of the terms, conditions and covenants in that certain written Lease
Agreement dated June 12, 1996 and amended October 12, 1998 and May 28, 1999,
between Lessor and Lessee, for the rental of the following described property:
1820 North Glenville Drive, Suite 110 containing approximately 6,345 square feet
and 1820 North Glenville Drive, Suite 100 containing approximately 7,180 square
feet for a total of 13,525 square feet located in Richardson, Texas 75081.

     2.     Lessor and Lessee agree that the term of this Lease Agreement shall
be extended for sixty (60) months so that the expiration date shall be changed
from July 31, 2002 to July 31, 2007.

     3.     Lessor and Lessee agree that effective August 1, 2002, the base year
shall be changed to 2002.

     4.     Lessor and Lessee agree that the Lessee changed from MarketArts,
Inc., a Texas corporation to TradeStation Technologies, Inc.

     5.     Lessor and Lessee agree that anytime at Lessee’s request (which may
be given anytime after August 1, 2002,) Lessor shall provide Lessee with an HVAC
allowance totaling $20,000 to repair or replace the existing HVAC units.

     6.     Lessor and Lessee agree that effective August 1, 2002, the base rent
shall decrease from $11,270.83 per month by $2,254.16 per month for a new base
rent of $9,016.67 per month.

     7.     Lessor and Lessee agree that effective August 1, 2003, the base rent
shall increase from $9,016.67 per month by $563.54 per month for a new base rent
of $9,580.21 per month.

     8.     Lessor and Lessee agree that effective August 1, 2004, the base rent
shall increase from $9,580.21 per month by $563.54 per month for a new base rent
of $10,143.75 per month.

     9.     Lessor and Lessee agree that effective August 1, 2005, the base rent
shall increase from $10,143.75 per month by $563.54 per month for a new base
rent of $10,707.29 per month.

     10.     Lessor and Lessee agree that effective August 1, 2006, the base
rent shall increase from $10,707.29 per month by $563.54 per month for a new
base rent of $11,270.83 per month.

     11.     Lessor and Lessee agree that Lessor shall pay Maverick Commercial
Real Estate, L.P. (“Broker”) whatever commissions are owed in connection with
this agreement.

     12.     Option to Cancel Lease. Provided Lessee is not in monetary default
of the Lease Agreement, Lessor hereby grants to Lessee a one-time option to
cancel this Lease as of July 31, 2005, provided Lessee (i) gives Lessor prior
written notice of the exercise of this option no later than April 30, 2005 and
(ii) simultaneously with the giving of such notice pays to Lessor $28,750 as
consideration for the early cancellation of this Lease.

SIGNED at           Dallas, Texas          , this      25      day of July,
2002.

          LESSOR:       Attest   SPRINGCREEK PLACE, LTD.

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          By: /s/ John S. Dryden    

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    John S. Dryden           Title: President of 46 Corp    

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    G.P. of Springcreek, Ltd                 LESSEE:       Attest /s/ Kathy
Jennings   TRADESTATION TECHNOLOGIES, INC.

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          By: /s/ John Jennings    

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      (Corporate Seal)   Title: : Vice President    

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