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Effective Rule Filings Rule Filings

SR-MEMX-2025-06: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: February 28, 2025 Description: Proposal to amend the Options Fee Schedule to decrease the transaction rebate for executions of contracts where the underlying security of the applicable option is not in the Penny Interval program (“Non-Penny options”) which add liquidity to the MEMX Options Book and which are made in the Customer capacity […]

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Effective Rule Filings Rule Filings

SR-MEMX-2025-05: Proposal to Amend Rule 19.5 (Series of Options Contracts Open for Trading)

Date Filed: February 28, 2025 Description: Proposal to amend Rule 19.5 (Series of Options Contracts Open for Trading) to harmonize the Exchange’s rules regarding the listing of options series with $1 strike prices (“$1 Strike Price Program”) with the equity options listing rules of other national securities exchanges.

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605 Reports

January 2025

Rule 605 Disclosure of Order Execution Information

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Effective Rule Filings Rule Filings

SR-MEMX-2025-04: Proposal to Extend the Exchange’s Pre-Market Session

Date Filed: February 25, 2025 Description: Proposal to amend Exchange Rule 1.5(x), which defines the Pre-Market Session, to begin at 4:00 a.m. Eastern Time rather than 7:00 a.m., and to make conforming changes to Exchange Rules 1.5(k) and 11.1(a).

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Effective Rule Filings Rule Filings

SR-MEMX-2025-03: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: February 10, 2025 Description: Proposed rule change to amend the Fee Schedule to adopt a new Tape A Quoting Tier that provides an additive rebate for executions of orders in Tape A securities priced at or above $1.00 per share that add displayed liquidity to the Exchange (such orders, “Added Displayed Volume”) and […]