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
34-106392 Sep 16, 2026 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 MX2 LLC as a Participant
Comments Due: October 9, 2026
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34-106349 Sep 14, 2026 4-757 National Market System Plans (NMS) Order Approving the Third Amendment to the National Market System Plan Regarding Consolidated Equity Market Data to Revise the Revenue Allocation Formula
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34-106329 Sep 10, 2026 4-546 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of Amendment to the Options Order Protection and Locked/Crossed Market Plan to Add Investors Exchange LLC as a Participant
Comments Due: October 6, 2026
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Submit a Comment on Notice of Filing and Immediate Effectiveness of Amendment to the Options Order Protection and Locked/Crossed Market Plan to Add Investors Exchange LLC as a Participant
34-106328 Sep 10, 2026 4-546 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of Amendment to the Options Order Protection and Locked/Crossed Market Plan to Add MX2 LLC as a Participant
Comments Due: October 6, 2026
View Received Comments
Submit a Comment on Notice of Filing and Immediate Effectiveness of Amendment to the Options Order Protection and Locked/Crossed Market Plan to Add MX2 LLC as a Participant
34-106237 Sep 1, 2026 4-698 National Market System Plans (NMS) Notice of a Request for Exemption from Certain Provisions of the National Market System Plan Governing the Consolidated Audit Trail Related to the Recovery of Costs Incurred During Period 4 of the Financial Accountability Milestones Pursuant to Section...
Comments Due: October 9, 2026
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34-106210 Aug 27, 2026 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 MX2 LLC as a Plan Sponsor
Comments Due: 21 days after date of publication in the Federal Register.
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34-106209 Aug 27, 2026 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 Investors Exchange LLC as a Plan Sponsor
Comments Due: 21 days after date of publication in the Federal Register.
View Received Comments
34-106042 Aug 5, 2026 4-631 National Market System Plans (NMS) Order Granting Approval of the Twenty-Seventh Amendment to the National Market System Plan to Address Extraordinary Market Volatility to Establish Temporary Price Band Protections in Overnight Trading
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34-105914 Jul 14, 2026 4-757 National Market System Plans (NMS) Notice of Filing and Immediate Effectiveness of the Fourth Amendment to the Limited Liability Company Agreement of CT Plan LLC
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34-105780 Jun 26, 2026 S7-24-89 National Market System Plans (NMS) Joint Industry Plan; Order Approving the Fifty-Fifth Amendment to the Joint Self-Regulatory Organization Plan Governing the Collection, Consolidation and Dissemination of Quotation and Transaction Information for Nasdaq-Listed Securities Traded on Exchang