Learn about MEMX, a member-focused securities exchange with a mission.

Discover opportunities to help create the exchange of the future, today.

Access current and historical volume and market share information.

MEMX is a U.S. equities exchange that trades over 7,500 symbols each day with broad retail participation across Tape A, B and C. The exchange has over 65 members, with a broad mix of participants trading daily, including banks, institutions, retail brokers, and market makers.

Watch experts from our member firms discuss market trends and issues with our CEO, Jonathan Kellner.

Read our latest insights, commentary, exchange highlights, press releases, and more.

Meet our mix of veteran exchange experts and new-generation trading and technology specialists.

Global

, 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, August 21, 2021:

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

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

Test Schedule for Saturday, August 21, 2021:

MEMX Market Operations

MEMX Member Experience