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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. Participants interested in becoming a member of, connecting to, and/or receiving market data from MEMX should follow the on-boarding process available at: https://memxtrading.com/onboarding. General Membership Sponsored Access Clearing – Equities Equities Market […]

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Exchange ID Codes

Type Equities Code Options Code SIP Participant ID U n/a OPRA Code n/a U MIC Code for Exchange MEMX MXOP MIC Code for Exchange – Dark MEMD n/a CAT Reporter ID/CAT Participant ID/Exchange ID MEMX MEMXOP CAT Market Center ID U U Blue Sheet Exchange Code 4 4 Blue Sheet Requestor Code 4 4 UTC […]

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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.