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Effective Rule Filings Rule Filings

SR-MEMX-2020-06: Adoption of Rule 15.3 Related to Collection of Exchange Fees

Date Filed: August 28, 2020 Description: Proposed rule change to adopt Rule 15.3 and entitle it “Collection of Exchange Fees and Other Claims and Billing Policy.”

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Effective Rule Filings Rule Filings

SR-MEMX-2020-05: Amendment to LLC Agreement of MEMX Holdings

Date Filed: August 28, 2020 Description: Proposed rule change to amend the Fourth Amended and Restated Limited Liability Company Agreement of MEMX Holdings LLC.

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Uncategorized

Membership, Connectivity, and Market Data Documents

Agreements, forms, and policies related to membership with, connecting to, and receiving market data from MEMX are provided below for reference and review. General Membership Sponsored Access Clearing – Equities Equities Market Maker Options Membership Options Market Maker Options Give-Up Clearing – Options Connectivity Market Data Other

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Uncategorized

Exchange ID Codes

Type MEMX Equities Code MEMX Options Code MX2 Options Code SIP Participant ID U n/a n/a OPRA Code n/a U G MIC Code for Exchange MEMX MXOP MXTO MIC Code for Exchange – Dark MEMD n/a n/a CAT Reporter ID/CAT Participant ID/Exchange ID MEMX MEMXOP MX2OP CAT Market Center ID U MEMXOP MX2OP Blue Sheet […]

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Alerts and Notices Regulatory Notices

Regulatory Notice 20-04: Excused Withdrawals of Market Maker Quotations

Date: August 11, 2020 Description: Excused Withdrawals of Market Maker Quotations

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Effective Rule Filings Rule Filings

SR-MEMX-2020-04: Amendment to Exchange System Functionality

Date Filed: August 4, 2020 Description: Proposed rule change to amend various Exchange Rules to make changes to proposed Exchange System functionality prior to the launch of the Exchange.