Alerts and Notices Trader Alerts

Trader Alert 21-34: Member testing available on December 4, 2021

On Saturday, December 4, 2021, MEMX is participating in the UTP and CTA failover testing to the secondary data centers as well as Market-Wide Circuit Breaker testing. The trading platform will be available for Member testing.

Test Schedule for Saturday, December 4, 2021:

Time (Eastern)Trading Status
8:00A Session Available
8:30A Pre-Market
9:30A Market
12:00P Post-Market
1:00PPost-Market Closed
1:15P Session Closed

Our Market Operations and Member Experience teams are here for any of your questions.  

MEMX Market Operations


MEMX Member Experience