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 […]
Category: Alerts and Notices
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 […]
On August 16, 2022, MEMX released new versions of its current supported MEMO FIX, MEMO SBE, and FIX Drop specifications. Version 1.8 Rev-B, 1.9 Rev-B, and 1.10 Rev-B can be found here using the “upcoming version” link. The main reason for this update is to add 2 new LastLiquidityIndType codes, please see the Specification Errata […]