National Market System Plans (NMS) Rulemaking

We encourage the public to submit comments on the following filings during the comment period. For detailed instructions, please read How to Submit Comments. We strongly encourage you to send your comments electronically. They will be posted on this website.

Release Number SEC Issue Date Sort descending File Number SRO Organization Details
34-99545 Feb 15, 2024 4-631 National Market System Plans (NMS) Order Instituting Proceedings to Determine Whether to Approve or Disapprove the Twenty-Third Amendment to the National Market System Plan to Address Extraordinary Market Volatility by Cboe BYX Exchange, Inc., Cboe BZX Exchange, Inc., Cboe EDGA Exchange, I
Comments Due: September 29, 2025
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34-99431 Jan 25, 2024 SR-OPRA-2023-01 National Market System Plans (NMS) Notice of Designation of a Longer Period for Commission Action on a Proposed Amendment to Modify the Options Price Reporting Authority’s Fee Schedule Regarding Caps on Certain Port Fees
34-99403 Jan 19, 2024 4-757 National Market System Plans (NMS) Notice of Filing of a National Market System Plan Regarding Consolidated Equity Market Data
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34-99345 Jan 16, 2024 4-820 National Market System Plans (NMS) Notice of Filing of Proposed Amendment to Modify Section 5.2(c)(iii) of the OPRA Plan Relating to Dissemination of Exchange Proprietary Data Information
Comments Due: February 12, 2024
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34-99023 Nov 27, 2023 4-698 National Market System Plans (NMS) Order Granting an Exemption Pursuant to Section 36(a)(1) of the Securities Exchange Act of 1934 and Rule 608(e) of Regulation NMS Under the Exchange Act, Relating to the Recordkeeping Requirements for Industry Test Data, as Required by Rule 17a-1 Under th
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34-99001 Nov 21, 2023 4-698 National Market System Plans (NMS) Notice of Withdrawal of Amendment to the National Market System Plan Governing the Consolidated Audit Trail
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34-98928 Nov 14, 2023 4-631 National Market System Plans (NMS) Notice of Filing of the Twenty-Third Amendment to the National Market System Plan to Address Extraordinary Market Volatility by Cboe BYX Exchange, Inc., Cboe BZX Exchange, Inc., Cboe EDGA Exchange, Inc., Cboe EDGX Exchange, Inc., Financial Industry Regula
Comments Due: September 29, 2025
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34-98514 Sep 25, 2023 SR-OPRA-2023-01 National Market System Plans (NMS) Order Instituting Proceedings to Determine Whether to Approve or Disapprove a Proposed Amendment to Modify the Options Price Reporting Authority's Fee Schedule Regarding Caps on the Amounts of Certain Port Fees
Comments Due: October 20, 2023. Rebuttal comments should be submitted by November 3, 2023. 
34-98388 Sep 14, 2023 4-443 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of Amendment to the Plan for the Purpose of Developing and Implementing Procedures Designed to Facilitate the Listing and Trading of Standardized Options to Add MEMX LLC as a Plan Sponsor
Comments Due: October 11, 2023
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34-98290 Sep 6, 2023 4-698 National Market System Plans (NMS) Order Approving an Amendment to the National Market System Plan Governing the Consolidated Audit Trail
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See Also - Fact Sheet, Press Release