Date Filed: September 8, 2025 Description: Proposed rule change to amend Rule 11.6(a) to clarify the handling of orders that contain both a Post Only instruction and certain other order handling instructions maintained to facilitate compliance with Rule 610(d) of Regulation NMS.
Category: Effective Rule Filings
Below are rule changes that have been submitted by the Exchange for treatment as immediately effective filings and filings that have been approved by the SEC.
Date Filed: September 8, 2025 Description: Proposal to amend the Exchange’s Fee Schedule to: (i) modify the required criteria under Liquidity Provision Tiers 1 and 2; and (ii) adopt a new Tape B Volume Tier.
Date Filed: August 19, 2025 Description: Proposal to amend the position and exercise limits for options on the iShares Bitcoin Trust ETF, Grayscale Bitcoin Trust ETF, Grayscale Bitcoin Mini Trust and Bitwise Bitcoin ETF.
Date Filed: August 5, 2025 Description: Proposal to make a number of non-substantive changes to the Rulebook.
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.
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.
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.
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).
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.
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