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
34-103939 Sep 10, 2025 4-518 National Market System Plans (NMS) Order Approving an Amendment to the National Market System Plan Establishing Procedures Under Rule 605 of Regulation NMS, as Modified by the Commission, to Reflect Recent Amendments to Rule 605 of Regulation NMS
See Also - Appendix A: Rule 605 Plan
34-103845 Sep 3, 2025 4-631 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of Amendment to the Plan to Address Extraordinary Market Volatility to Add 24X National Exchange LLC as a Participant
Comments Due: September 29, 2025
View Received Comments
34-103793 Aug 28, 2025 4-533 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of Amendment to the National Market System Plan for the Selection and Reservation of Securities Symbols to Add 24X National Exchange LLC as a Party Thereto
Comments Due: September 24, 2025
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34-103702 Aug 13, 2025 4-698 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of Amendment to the National Market System Plan Governing the Consolidated Audit Trail to Add 24 National Exchange LLC as a Participant
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34-103482 Jul 17, 2025 4-518 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of Amendment to the Plan Establishing Procedures Under Rule 605 of Regulation NMS to Add 24X National Exchange LLC as a Participant
Comments Due: August 12, 2025
34-103288 Jun 17, 2025 4-698 National Market System Plans (NMS) Notice of Filing of Amendment No. 1, and Order Instituting Proceedings to Determine Whether to Approve or Disapprove an Amendment to the National Market System Plan Governing the Consolidated Audit Trail, as Modified by Amendment No. 1, Regarding the...
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34-103275 Jun 16, 2025 4-698 National Market System Plans (NMS) Order Approving an Amendment to the National Market System Plan Governing the Consolidated Audit Trail, as Modified by the Commission, Regarding the Reporting of Certain Verbal Activity, Floor and Upstairs Activity
View Received Comments
34-103243 Jun 12, 2025 4-518 National Market System Plans (NMS) Notice of Filing of Amendment to the National Market System Plan Establishing Procedures Under Rule 605 of Regulation NMS to Reflect Recent Amendments to Rule 605 of Regulation NMS
Comments Due: July 8, 2025.
See Also - Rule 605 Plan
Submit a Comment on Notice of Filing of Amendment to the National Market System Plan Establishing Procedures Under Rule 605 of Regulation NMS to Reflect Recent Amendments to Rule 605 of Regulation NMS
34-103070 May 19, 2025 S7-24-89 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of the Fifty-Third Amendment to the Joint Self-Regulatory Organization Plan Governing the Collection, Consolidation and Dissemination of Quotation and Transaction Information for Nasdaq-Listed Securities...
Comments Due: October 21, 2025
34-103069 May 19, 2025 SR-CTA-CQ-2025-01 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of the Twenty-Eighth Amendment to the Second Restatement of the CTA Plan and Twenty-Ninth Amendment to the Restated CQ Plan
Comments Due: June 13, 2025