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###### Securities and Exchange Commission

          - [Release No. 34-62897; File No. SR-CBOE-2010-083]

                    Pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (the “Act”),[1]                                          and Rule 19b-4 thereunder,[2]                                          notice is hereby given that on September 9, 2010, the Chicago Board Options Exchange, Incorporated (“Exchange” or “CBOE”) filed with the Securities and Exchange Commission (the “Commission”) the proposed rule change as described in Items I and II                           ( print page 57101)                        below, which Items have been prepared by the Exchange. The Exchange filed the proposal as a “non-controversial” proposed rule change pursuant to Section 19(b)(3)(A)(iii) of the Act [3]                                          and Rule 19b-4(f)(6) thereunder.[4]                                          The Commission is publishing this notice to solicit comments on the proposed rule change from interested persons.                

## I. Self-Regulatory Organization's Statement of the Terms of Substance of the Proposed Rule Change

                    The Exchange proposes to amend CBOE Rule 6.53C,                     *Complex Orders on the Hybrid System,*                     to incorporate a provision related to option classes in which the electronic complex order book (“COB”) is activated. The text of the proposed rule change is available on the Exchange's Web site (                    *http://www.cboe.org/​Legal*), at the Exchange's Office of the Secretary and at the Commission.                

## II. Self-Regulatory Organization's Statement of the Purpose of, and Statutory Basis for, the Proposed Rule Change

In its filing with the Commission, the self-regulatory organization included statements concerning the purpose of and basis for the proposed rule change and discussed any comments it received on the proposed rule change. The text of those statements may be examined at the places specified in Item IV below. The Exchange has prepared summaries, set forth in sections A, B, and C below, of the most significant parts of such statements.

### A. Self-Regulatory Organization's Statement of the Purpose of, and the Statutory Basis for, the Proposed Rule Change

#### 1. Purpose

                    CBOE Rule 6.53C governs the operation of the Exchange's electronic COB system. The purpose of this proposed rule change is to incorporate a provision to provide the Exchange with additional flexibility to determine the applicable matching algorithm [5]                                          for option classes in which COB is activated. Currently, Rule 6.53C(c)(ii)(2) specifies that the allocation of complex orders within COB shall be pursuant to the rules of trading priority otherwise applicable to incoming electronic orders in the individual component legs, and Rule 6.53C(iii)(3) specifies that the allocation of complex orders among market participants that submit orders or quotes to trade against the COB shall be pursuant to paragraph (c) of Rule 6.45A or Rule 6.45B, as applicable.                

This filing proposes to provide the Exchange with additional flexibility regarding the allocation to permit the matching algorithm in effect for COB to be different from the matching algorithm in effect for the option class. Specifically, we are proposing that the Exchange may determine on a class-by-class basis which electronic matching algorithm shall apply to COB executions. Pursuant to Rule 6.53C.01, all pronouncements regarding COB matching algorithm determinations by the Exchange will be announced to CBOE Trading Permit Holders via Regulatory Circular.

The matching algorithm applied to COB for each option class will continue to be pursuant to Rule 6.45A or 6.45B, as applicable. Thus, the Exchange is not creating any new algorithms for COB, but is amending Rule 6.53C to provide the flexibility to choose an algorithm from among the existing algorithms to be applied to COB rather than simply defaulting to the algorithm in effect for an option class. All other aspects of COB pursuant to Rule 6.53C shall apply unchanged.

#### 2. Statutory Basis

                    The basis under the Act for this proposed rule change is the requirement under Section 6(b)(5) [6]                                          that an exchange have rules that are designed to promote just and equitable principles of trade, and to remove impediments to and perfect the mechanism for a free and open market and a national market system, and, in general, to protect investors and the public interest. In particular, the Exchange believes the proposed change would provide more flexibility for the Exchange to designate the matching algorithm for COB in a manner that is consistent with existing CBOE rules.                

### B. Self-Regulatory Organization's Statement on Burden on Competition

CBOE does not believe that the proposed rule change will impose any burden on competition not necessary or appropriate in furtherance of the purposes of the Act.

### C. Self-Regulatory Organization's Statement on Comments on the Proposed Rule Change Received From Members, Participants, or Others

The Exchange neither solicited nor received comments on the proposal.

## III. Date of Effectiveness of the Proposed Rule Change and Timing for Commission Action

                    Because the foregoing rule does not (i) Significantly affect the protection of investors or the public interest; (ii) impose any significant burden on competition; and (iii) become operative for 30 days from the date on which it was filed, or such shorter time as the Commission may designate if consistent with the protection of investors and the public interest, provided that the self-regulatory organization has given the Commission written notice of its intent to file the proposed rule change at least five business days prior to the date of filing of the proposed rule change or such shorter time as designated by the Commission, the proposed rule change has become effective pursuant to Section 19(b)(3)(A) of the Act [7]                                          and Rule 19b-4(f)(6) thereunder.[8]                                          At any time within 60 days of the filing of such proposed rule change, the Commission summarily may temporarily suspend such rule change if it appears to the Commission that such action is necessary or appropriate in the public interest, for the protection of investors, or otherwise in furtherance of the purposes of the Act.                

## IV. Solicitation of Comments

Interested persons are invited to submit written data, views, and arguments concerning the foregoing, including whether the proposed rule change is consistent with the Act. Comments may be submitted by any of the following methods:

### Electronic Comments

    - Use the Commission's Internet comment form ( http://www.sec.gov/​rules/​sro.shtml ); or                
    - Send an e-mail to rule-comments@sec.gov.                      Please include File Number SR-CBOE-2010-083 on the subject line.                           ( print page 57102)      

### Paper Comments

    - Send paper comments in triplicate to Elizabeth M. Murphy, Secretary, Securities and Exchange Commission, 100 F Street, NE., Washington, DC 20549-1090.

                    All submissions should refer to File Number SR-CBOE-2010-083. This file number should be included on the subject line if e-mail is used. To help the Commission process and review your comments more efficiently, please use only one method. The Commission will post all comments on the Commission's Internet website (                    *http://www.sec.gov/​rules/​sro.shtml*). Copies of the submission, all subsequent amendments, all written statements with respect to the proposed rule change that are filed with the Commission, and all written communications relating to the proposed rule change between the Commission and any person, other than those that may be withheld from the public in accordance with the provisions of 5 U.S.C. 552, will be available for website viewing and printing in the Commission's Public Reference Room, 100 F Street, NE., Washington, DC 20549, on official business days between the hours of 10 a.m. and 3 p.m. Copies of the filing also will be available for inspection and copying at the principal office of the Exchange. All comments received will be posted without change; the Commission does not edit personal identifying information from submissions. You should submit only information that you wish to make available publicly. All submissions should refer to File Number SR-CBOE-2010-083 and should be submitted on or before October 8, 2010.                

                        For the Commission, by the Division of Trading and Markets, pursuant to delegated authority.[9] 

Florence E. Harmon,

Deputy Secretary. 

# Footnotes

1.                             15 U.S.C. 78s(b)(1).                    
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2.                             17 CFR 240.19b-4.                    
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3.                             15 U.S.C. 78s(b)(3)(A)(iii).                    
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4.                             17 CFR 240.19b-4(f)(6).                    
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5.                             The matching algorithms include price-time, pro-rata, and the ultimate matching algorithm (“UMA”) base priorities and a combination of various optional priority overlays pertaining to public customer priority, Market-Maker participation entitlements, small order preference, and market turner.                         *See*                         Rules 6.45A,                         *Priority and Allocation of Equity Option Trades on the CBOE Hybrid System,*                         and 6.45B,                        *Priority and Allocation of Trades in Index Options and Options on ETFs on the CBOE Hybrid System.*
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6.                             15 U.S.C. 78f(b)(5).                    
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7.                             15 U.S.C. 78s(b)(3)(A).                    
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8.                             17 CFR 240.19b-4(f)(6). In addition, Rule 19b-4(f)(6)(iii) requires a self-regulatory organization submit to the Commission written notice of its intent to file the proposed rule change, along with a brief description and text of the proposed rule change, at least five business days prior to the filing of the proposed rule change, or such shorter time as designated by the Commission. The Commission notes that the Exchange has satisfied this requirement.                    
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9.                                 17 CFR 200.30-3(a)(12).                        
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[FR Doc. 2010-23297 Filed 9-16-10; 8:45 am]

BILLING CODE 8010-01-P