MEMX will be closed Monday, May 31, 2021 in observance of Memorial Day. Normal trading will resume on Tuesday, June 1, 2021.
Category: Uncategorized
2/23/2021 12:07 ET – The Exchange will resume trading in symbols M-Z at 12:10 ET, using secondary source market data for this symbol range. The market data ingestion issue has been resolved. All Exchange systems are now operating normally. 2/23/2021 10:32 ET – The Exchange has halted trading in symbol range M-Z as of 10:32 […]
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US Equities Instrument Directory
Click Here for the Instrument Directory Download What is the mapping in the file? The securityId field is the positive integer value used in the MEMOIR feeds when market data updates are reported for the product. The symbol field is a string that contains the CMS Symbol Root for the product. The symbolSfx field is […]
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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US Equities User Manual
MEMO Test Session Details MEMOIR multicast details Data Multicast Address Port MEMOIR Depth A 233.142.18.129 19780 MEMOIR Depth B 233.142.18.161 19780 MEMOIR Top A 233.142.18.130 19796 MEMOIR Top B 233.142.18.162 19796 MEMOIR Last Sale A 233.142.18.131 19788 MEMOIR Last Sale B 233.142.18.163 19788 MEMOIR Retransmission Gap Fill Data Target IP Port Credentials (user:password) MEMOIR Depth […]