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###### Securities and Exchange Commission

          - [Release No. 34-57767; File No. SR-CHX-2008-06] 

                    Pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (“Act”) [1]                                          and Rule 19b-4 thereunder,[2]                                          notice is hereby given that on April 29, 2008, the Chicago Stock Exchange, Inc. (“CHX” or “Exchange”) filed with the Securities and Exchange Commission (“Commission”) the proposed rule change as described in Items I and II below, which Items have been substantially prepared by CHX. On May 1, 2008, CHX submitted Amendment No. 1 to the proposed rule change. The Exchange has filed the proposal as a “non-controversial” rule change pursuant to Section 19(b)(3)(A) of the Act [3]                                          and Rule 19b-4(f)(6) thereunder,[4]                                          which renders it effective upon filing with the Commission. The Commission is publishing this notice to solicit comments on the proposed rule change, as amended, from interested persons.                 

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

                    The Exchange proposes to amend its rules to delete from the definition of Qualified Contingent Trade the requirement that such transactions be for a minimum size of either 10,000 shares or $200,000 in transaction value. The text of the proposed rule change is available at CHX, the Commission's Public Reference Room, and                     *http://www.chx.com/​rules/​proposed_​rules.htm*.                 

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

In its filing with the Commission, CHX 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 these statements may be examined at the places specified in Item IV below. CHX has prepared summaries, set forth in Sections A, B, and C below, of the most significant aspects of such statements. 

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

#### 1. Purpose 

                    The Exchange's rules currently define the term “Qualified Contingent Trade” according to the definition included in an exemptive order issued by the Commission on August 31, 2006.[5]                                          Pursuant to the Exemptive Order, Qualified Contingent Trades are exempt from the trade-through restrictions of                           ( print page 26175)                        Regulation NMS.[6]                                          The Exchange has incorporated an identical definition of Qualified Contingent Trades in order that such trades could also be exempted from Exchange rules restricting intermarket trade-throughs.                 

                    On April 4, 2008, the Commission issued a revised exemptive order eliminating one of the elements of the original Qualified Contingent Trade definition.[7]                                          Based upon a request from the Chicago Board Options Exchange, Incorporated, the Revised Exemptive Order deleted the minimum size restrictions of 10,000 shares or $200,000 in transaction value which were part of the original definition. The Exchange proposes to eliminate the size and value restrictions from its own definition of Qualified Contingent Trade in order to operate its marketplace in a manner consistent with Commission directives. The Exchange proposes to change its rules to eliminate any minimum size or value restrictions in its definition of the term Qualified Contingent Trade. The Exchange also proposes to eliminate an obsolete reference in the rule to the prospective application of Regulation NMS and to correct an erroneous citation in Article 20, Rule 5 to the Qualified Contingent Trade definition.                 

#### 2. Statutory Basis 

                    CHX believes the proposal is consistent with the requirements of the Act and the rules and regulations thereunder that are applicable to a national securities exchange, and, in particular, with the requirements of Section 6(b) of the Act.[8]                                          The Exchange believes that the proposed changes are consistent with Section 6(b)(5) of the Act,[9]                                          because they would promote just and equitable principles of trade, remove impediments to and perfect the mechanism of a free and open market and a national market system, and, in general, protect investors and the public interest by allowing CHX to amend its rules to reflect the Revised Exemptive Order defining the term Qualified Contingent Trade.                 

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

The Exchange does not believe that the proposed rule change will impose any burden on competition that is 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 

No written comments were solicited or received with respect to the proposed rule change. 

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

                    Because the foregoing rule change does not: (1) Significantly affect the protection of investors or the public interest; (2) impose any significant burden on competition; and (3) become operative for 30 days after the date of this filing, or such shorter time as the Commission may designate, it has become effective pursuant to Section 19(b)(3)(A) of the Act [10]                                          and Rule 19b-4(f)(6) thereunder.[11] 

                    A proposed rule change filed under 19b-4(f)(6) normally may not become operative prior to 30 days after the date of filing.[12]                                          However, Rule 19b-4(f)(6)(iii) [13]                                          permits the Commission to designate a shorter time if such action is consistent with the protection of investors and the public interest. The Exchange has requested that the Commission waive the 30-day operative delay. The Commission believes that waiving the 30-day operative delay is consistent with the protection of investors and the public interest because such waiver would allow the Exchange to implement the proposal without needless delay. The Commission notes that it recently modified the definition of Qualified Contingent Trade originally adopted in the Exemptive Order.[14]                                          For this reason, the Commission designates the proposed rule change to be operative upon filing with the Commission.[15] 

                    At any time within 60 days of the filing of such proposed rule change the Commission may summarily abrogate 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.[16] 

## 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-CHX-2008-06 on the subject line.                 

### Paper Comments 

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

                    All submissions should refer to File Number SR-CHX-2008-06. 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 Web site (                    *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 inspection and copying 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 CHX. 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                           ( print page 26176)                        should refer to File Number SR-CHX-2008-06 and should be submitted on or before May 29, 2008.                 

                        For the Commission, by the Division of Trading and Markets, pursuant to delegated authority.[17] 

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).                     
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4.                             17 CFR 240.19b-4(f)(6).                     
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5.                             See Securities Exchange Act Release No. 54389 (August 31, 2006), 71 FR 52829 (September 7, 2006) (Order Granting an Exemption for Qualified Contingent Trades from Rule 611(a) of Regulation NMS) (“Exemptive Order”).                    
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6.                             17 CFR 242.600*et seq.**See*17 CFR 242.611.                    
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7.                                                     *See*                         Securities Exchange Act Release No. 57620 (April 4, 2008), 73 FR 19271 (April 9, 2008) (Order Modifying the Exemption for Qualified Contingent Trades from Rule 611(a) of Regulation NMS) (“Revised Exemptive Order”).                    
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8.                             15 U.S.C. 78(f)(b).                    
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9.                             15 U.S.C. 78(f)(b)(5).                    
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10.                             15 U.S.C. 78s(b)(3)(A).                    
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11.                             17 CFR 240.19b-4(f)(6).                    
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12.                             17 CFR 240.19b-4(f)(6)(iii). In addition, Rule 19b-4(f)(6)(iii) requires that 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 date of filing of the proposed rule change, or such shorter time as designated by the Commission. The Exchange has satisfied the five-day pre-filing notice requirement.                    
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13.                                                     *Id.*
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14.                                                     *See*                         Revised Exemptive Order,                         *supra*                         note 7.                    
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15.                             For the purposes only of waiving the 30-day operative delay, the Commission has considered the proposed rule's impact on efficiency, competition, and capital formation.                         *See*15 U.S.C. 78c(f).                    
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16.                             15 U.S.C. 78s(b)(3)(C). For purposes of calculating the 60-day period within which the Commission may summarily abrogate the proposal, the Commission considers the period to commence on May 1, 2008, the date on which the Exchange submitted Amendment No. 1.                    
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17.                                 17 CFR 200.30-3(a)(12).                        
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[FR Doc. E8-10210 Filed 5-7-08; 8:45 am] 

BILLING CODE 8010-01-P