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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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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 […]

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Effective Rule Filings Rule Filings

SR-MEMX-2025-01: Proposal to Amend the Exchange’s Opening Procedures on MEMX Options

Date Filed: January 22, 2025 Description: Proposal to amend Rule 21.7 related to the Exchange’s opening procedures on MEMX Options.

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Effective Rule Filings Rule Filings

SR-MEMX-2024-49: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: December 20, 2024 Description: Proposed rule change to establish fees for Industry Members related to reasonably budgeted CAT costs of the National Market System Plan Governing the Consolidated Audit Trail (the “CAT NMS Plan” or “Plan”) for 2025.

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Effective Rule Filings Rule Filings

SR-MEMX-2024-48: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: December 20, 2024 Description: Proposal to amend the Exchange’s Fee Schedule to delete an expired criteria under Liquidity Provision 2.

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Effective Rule Filings Rule Filings

SR-MEMX-2024-47: Proposal to Amend Exchange Rule 19.3

Date Filed: December 12, 2024 Description: Proposal to amend Rule 19.3 to allow the Exchange to list and trade options on the Grayscale Bitcoin Trust, the Grayscale Bitcoin Mini Trust, and the Bitwise Bitcoin ETF.

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Effective Rule Filings Rule Filings

SR-MEMX-2024-46: Proposal to Amend Exchange Rule 19.3

Date Filed: December 12, 2024 Description: Proposal to amend Rule 19.3 to allow the Exchange to list and trade options on the Fidelity Wise Origin Bitcoin Fund and the ARK 21Shares Bitcoin ETF.

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Effective Rule Filings Rule Filings

SR-MEMX-2024-45: Proposal to Amend Exchange Rule 19.3

Date Filed: November 27, 2024 Description: Proposal to amend Rule 19.3 (Criteria for Underlying Securities) to allow the Exchange to list and trade options on the iShares Bitcoin Trust.

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Effective Rule Filings Rule Filings

SR-MEMX-2024-44: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: October 31, 2024 Description: Proposal to amend the MEMX Equities Fee Schedule to: i) modify the required criteria under Liquidity Provision Tier 2 and ii) eliminate Cross Asset Tiers 1 and 2 and rename the current Cross Asset Tier 3 as Cross Asset Tier 1.