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Effective Rule Filings Rule Filings

SR-MEMX-2025-25: Proposal to Make Non-Substantive Changes to the Rulebook

Date Filed: August 5, 2025 Description: Proposal to make a number of non-substantive changes to the Rulebook.

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Effective Rule Filings Rule Filings

SR-MEMX-2025-24: Proposal to Amend the Exchange’s Options Fee Schedule

Date Filed: July 31, 2025 Description: Proposal to amend the Options Fee Schedule to: (i) decrease the transaction rebate for executions of Added Liquidity in Penny options in the Professional, Firm, Away Market Maker or Broker-Dealer capacity, and (ii) adopt a Volume Tier applicable to Added Liquidity in Penny options in a Professional capacity.

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Effective Rule Filings Rule Filings

SR-MEMX-2025-23: Proposal to Amend Exchange Rule 11.3 Regarding Sponsored Access

Date Filed: July 28, 2025 Description: Proposal to amend Exchange Rules 11.3(a)-(b) to define the term “Sponsored Access” and to codify that the agreement required by and between the Sponsoring Member and Sponsored Participant must include a provision that any Sponsored Access relationship must follow the requirements of SEC Rule 15c3-5, the Market Access Rule.

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Effective Rule Filings Rule Filings

SR-MX2-2025-02: Proposal to Amend Exchange Rule 11.3 Regarding Sponsored Access

Date Filed: July 28, 2025 Description: Proposal to amend Exchange Rules 11.3(a)-(b) to define the term “Sponsored Access” and to codify that the agreement required by and between the Sponsoring Member and Sponsored Participant must include a provision that any Sponsored Access relationship must follow the requirements of SEC Rule 15c3-5, the Market Access Rule.

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Effective Rule Filings Rule Filings

SR-MEMX-2025-22: Proposal to Amend Rule 2.3, to Adopt Rule 2.12 (MEMX Execution Services as Inbound Router), and Make Related Changes

Date Filed: July 15, 2025 Description: Proposed Rule Change to Amend Rule 2.3, to Adopt Rule 2.12 (MEMX Execution Services as Inbound Router), to Make a Corresponding Update in Rule 2.11 (MEMX Execution Services as Outbound Router), and to Remove Obsolete Rule Text in Rule 2.4(c).

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Effective Rule Filings Rule Filings

SR-MEMX-2025-21: Proposed Rule Change to Amend the Exchange’s Equities Fee Schedule

Date Filed: June 30, 2025 Description: Proposal to amend the Exchange’s Equities Fee Schedule to increase the fee for executions of removed retail volume and modify the Liquidity Provision Tiers by reducing the rebate and modifying the required criteria under Liquidity Provision 2 and reducing the rebates under Liquidity Provision Tiers 3, 4, and 5.

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Effective Rule Filings Rule Filings

SR-MEMX-2025-20: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: December 20, 2024 Description: Proposed rule change to implement a CAT Fee on behalf of CAT LLC for Industry Members in accordance with the CAT NMS Plan

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Pending Rule Filings Rule Filings

SR-MX2-2025-01: Proposal to Adopt Rules to Govern the Trading of Options on MX2 LLC

Date File: June 18, 2025 Description: Proposal to Adopt Rules to Govern the Trading of Options on MX2 LLC

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Effective Rule Filings Rule Filings

SR-MEMX-2025-17: Proposal to Amend Rule 13.4(a) to Reflect the Name Change of NYSE Chicago, Inc. to NYSE Texas, Inc.

Date Filed: June 17, 2025 Description: Proposal to amend Rule 13.4(a) to reflect the name change of NYSE Chicago, Inc. to NYSE Texas, Inc.

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Effective Rule Filings Rule Filings

SR-MEMX-2025-18: Proposal to Amend the Exchange’s Compliance Rule Regarding the National Market System Plan Governing the Consolidated Audit Trail

Date Filed: June 17, 2025 Description: Proposal to amend Rule 4.10 of the Exchange’s compliance rule (“CAT Compliance Rule”) regarding the National Market System Plan Governing the Consolidated Audit Trail (the “CAT NMS Plan” or “Plan”) to be consistent with the exemptive relief granted by the Commission from certain provisions of the CAT NMS Plan […]