Categories
Effective Rule Filings Rule Filings

SR-MEMX-2026-20: Proposal to Amend the Exchange’s Review of Professional Orders

Date Filed: June 30, 2026 Description: Proposed rule to amend Rule 16.1( Definitions) to amend the Exchange’s review of Professional Orders.

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Effective Rule Filings Rule Filings

SR-MEMX-2026-18: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: June 30, 2026 Description: Proposal to amend the Exchange’s Fee Schedule to: (i) remove an expired criteria under Liquidity Provision Tier 2; (ii) increase the fee charged under the Retail Sub-Dollar Liquidity Removal Tier 1; and (iii) eliminate the Tape A Liquidity Removal Tier.

Categories
605 Reports

May 2026

Rule 605 Disclosure of Order Execution Information

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Effective Rule Filings Rule Filings

SR-MEMX-2026-17: Proposal to Amend Rule 22.3, Market Maker Class Appointments

Date Filed: June 18, 2026 Description: Proposal to  amend Rule 22.3, Market Maker Class Appointments, to amend the cutoff time by which Options Market Makers may enter an appointment request for one or more options contracts traded on the Exchange.