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###### Securities and Exchange Commission

          - [Release No. 34-65082; File No. SR-BYX-2011-018]

                    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 August 8, 2011, BATS Y-Exchange, Inc. (the “Exchange” or “BYX”) filed with the Securities and Exchange Commission (“Commission”) the proposed rule change as described in Items I and II below, which Items have been prepared by the Exchange. 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 is filing with the Commission a proposal to extend a pilot program related to Rule 11.18, entitled “Trading Halts Due to Extraordinary Market Volatility.”

                    The text of the proposed rule change is available at the Exchange's Web site at                     *http://www.batstrading.com*, at the principal office of the Exchange, and at the Commission's Public Reference Room.                

## 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 Exchange 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. 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

The purpose of this filing is to extend the effectiveness of the Exchange's rule related to individual stock circuit breakers, which is contained in Rule 11.18(d) and Interpretation and Policy .05 to Rule 11.18. The rule, explained in further detail below, is currently operating as a pilot program set to expire on the earlier of August 11, 2011 or the date on which a limit up/limit down mechanism to address extraordinary market volatility, if adopted, applies. The Exchange proposes to extend the pilot program to January 31, 2012.

                    On October 4, 2010, the Exchange filed an immediately effective filing to adopt various rule changes to bring BYX Rules up to date with the changes that had been made to the rules of BATS Exchange, Inc., the Exchange's affiliate, while BYX's Form 1 Application to register as a national securities exchange was pending approval. Such changes included changes to the Exchange's Rule 11.18, on a pilot basis, to provide for uniform market-wide trading pause standards for individual securities in the S&P 500® Index, the Russell 1000® Index and specified Exchange Traded Products that experience rapid price movement.[3]                                          The pilot program relating to trading pause standards has been extended twice since.[4]                                          More recently, the Exchange proposed expansion of the pilot program to apply to all NMS stocks.[5]                                          This expansion was approved on June 23, 2011.[6] 

The Exchange believes the benefits to market participants from the individual stock trading pause rule should be continued on a pilot basis.

#### 2. Statutory Basis

                    The Exchange believes that its 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.[7]                                          In particular, the proposal is consistent with Section 6(b)(5) of the Act,[8]                                          because it 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. The proposed rule change is also consistent with Section 11A(a)(1) of the Act [9]                                          in that it seeks to assure fair competition among brokers and dealers and among exchange markets. The Exchange believes that the pilot program promotes just and equitable principles of trade in that it promotes transparency and uniformity across markets concerning decisions to pause trading in a security                           ( print page 50801)                        when there are significant price movements.                

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

The Exchange does not believe that the proposed rule change imposes any burden on competition.

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

The Exchange has neither solicited nor received written comments on the proposed rule change.

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

                    The Exchange has filed the proposed rule change pursuant to Section 19(b)(3)(A)(iii) of the Act [10]                                          and Rule 19b-4(f)(6) thereunder.[11]                                          Because the proposed rule change does not: (i) Significantly affect the protection of investors or the public interest; (ii) impose any significant burden on competition; and (iii) become operative prior to 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, the proposed rule change has become effective pursuant to Section 19(b)(3)(A) of the Act [12]                                          and Rule 19b-4(f)(6)(iii) thereunder.[13] 

                    A proposed rule change filed under Rule 19b-4(f)(6) [14]                                          normally does not become operative for 30 days after the date of filing. However, pursuant to Rule 19b-4(f)(6)(iii) [15]                                          the Commission may designate a shorter time if such action is consistent with the protection of investors and the public interest. The Exchange has asked the Commission to waive the 30-day operative delay so that the proposal may become operative immediately upon filing.                

                    The Commission believes that waiving the 30-day operative delay is consistent with the protection of investors and the public interest, as it will allow the pilot program to continue uninterrupted, thereby avoiding the investor confusion that could result from a temporary interruption in the pilot program. For this reason, the Commission designates the proposed rule change as operative upon filing.[16] 

At any time within 60 days of the filing of the 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 No. SR-BYX-2011-018 on the subject line.                

### 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 No. SR-BYX-2011-018. 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 Web site 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 such 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 No. SR-BYX-2011-018 and should be submitted on or before September 6, 2011.                

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

Elizabeth M. Murphy, 

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.                                                     *See*                         Securities Exchange Act Release No. 63097 (October 13, 2010), 75 FR 64767 (October 20, 2010) (SR-BYX-2010-002).                    
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4.                                                     *See*                         Securities Exchange Act Release No. 63513 (December 9, 2010), 75 FR 78784 (December 16, 2010) (SR-BYX-2010-007); Securities Exchange Act Release No. 64214 (April 6, 2011), 76 FR 20430 (April 12, 2011) (SR-BYX-2011-007).                    
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5.                                                     *See*                         Securities Exchange Act Release No. 64433 (May 6, 2011), 76 FR 27680 (May 12, 2011) (SR-BYX-2011-011).                    
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6.                                                     *See*                         Securities Exchange Act Release No. 64735 (June 23, 2011), 76 FR 38243 (June 29, 2011) (File Nos. SR-BATS-2011-016; SR-BYX-2011-011; SR-BX-2011-025; SR-CBOE-2011-049; SR-CHX-2011-09; SR-EDGA-2011-15; SR-EDGX-2011-14; SR-FINRA-2011-023; SR-ISE-2011-028; SR-NASDAQ-2011-067; SR-NYSE-2011-21; SR-NYSEAmex-2011-32; SR-NYSEArca-2011-26; SR-NSX-2011-06; SR-Phlx-2011-64).                    
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7.                             15 U.S.C. 78f(b).                    
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8.                             15 U.S.C. 78f(b)(5).                    
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9.                             15 U.S.C. 78k-1(a)(1).                    
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10.                             15 U.S.C. 78s(b)(3)(A)(iii).                    
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11.                             17 CFR 240.19b-4(f)(6).                    
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12.                             15 U.S.C. 78s(b)(3)(A).                    
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13.                             17 CFR 240.19b-4(f)(6). In addition, Rule 19b-4(f)(6)(iii) requires the Exchange to give the Commission written notice of the Exchange's 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 this requirement.                    
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14.                             17 CFR 240.19b-4(f)(6).                    
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15.                             17 CFR 240.19b-4(f)(6)(iii).                    
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16.                             For purposes only of waiving the 30-day operative delay, the Commission has also considered the proposed rule's impact on efficiency, competition, and capital formation.                         *See*15 U.S.C. 78c(f).                    
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17.                                 17 CFR 200.30-3(a)(12).                        
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[FR Doc. 2011-20703 Filed 8-15-11; 8:45 am]

BILLING CODE 8011-01-P