Month: March 2024

MEMX Equities and MEMX Options will be closed Friday, March 29, 2024, in observance of Good Friday. Normal trading will resume on Monday, April 1, 2024. 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, April 6, 2024, the final test in MEMX’s 2023 testing year. In coordination with other market participants, MEMX will participate in the test and publish a test script: MEMX 2023 […]

On Friday, March 1, 2024, MEMX Options released a new version of its MEMO SBE and Risk Specifications. Version 1.7 can be found here using the “upcoming version” link.  Release dates for the MEMX Options Development Environment (MODE) and Production to follow.  Updates are listed below and in the specification Errata included in the download: MEMO SBE v1.7 Risk Control […]