Category: Uncategorized

MEMX will be closed Monday, January 2, 2023, in observance of New Year’s Day.   MEMX Market Hours and Holiday Schedule  Please contact Market Operations with any questions.   MEMX Market Operations | mops@memx.com | 1-833-415-6677  

MEMX will be closed Monday, December 26, 2022, in observance of Christmas Day.   MEMX Market Hours and Holiday Schedule  Please contact Market Operations with any questions.   MEMX Market Operations | mops@memx.com | 1-833-415-6677  

The Securities Information Processors (“SIPs”) will conduct data center failover testing as well as Market-Wide Circuit Breaker (“MWCB”) breach Level 1 and 2 on Saturday, December 3, 2022. In coordination with other market participants, MEMX will participate in the test and published a test script: MEMX 2022 Market-Wide Circuit Breaker Test Script. Certain members designated […]

The Securities Information Processors (“SIPs”) will conduct Market-Wide Circuit Breaker (“MWCB”) tests breaching Level 1, 2, and 3 on Saturday, September 10, 2022. In coordination with other market participants, MEMX will participate in the test and published a test script: MEMX 2022 Market-Wide Circuit Breaker Test Script. Certain members designated by MEMX are required to […]

MEMX will be closed Monday, September 5, 2022, in observance of Labor Day. Normal trading will resume on Tuesday, September 6, 2022. MEMX Market Hours and Holiday Schedule Our Market Operations and Member Experience teams are here for any of your questions.   MEMX Market Operations mops@memx.com 1-833-415-6677   MEMX Member Experience memberx@memx.com 1-833-415-6369 

In coordination with other market centers as part of SIFMA BCP testing, and in support of Regulation System Compliance and Integrity requirements, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, October 15, 2022.  The scope for this weekend test will be a full feature test of all exchange functionality in order to […]