Category: Uncategorized

MEMX Equities and MEMX Options will be closed Thursday, November 28, 2024, in observance of Thanksgiving. MEMX Equities will follow an abbreviated trading schedule on Friday, November 29, 2024, in which the regular market session will conclude at 1:00pm ET and the post-market session will conclude at 2:00pm ET. MEMX Options will follow an abbreviated […]

MEMX Options will migrate MEMOIR Depth and TOP Snapshot service, in the Primary Data Center, Secondary Data Center, and MODE environment, to new IP addresses on the date below.    The legacy IP addresses and new IP addresses for MEMOIR Snapshot, and all MEMOIR IPs, for production can be found here and the MODE environment can […]

Tuesday, December 19, 2023 1 additional underlier SPY Additional dates and details to follow 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    

On Tuesday, December 12, 2023, MEMX released new versions of its MEMO FIX, MEMO SBE, and FIX Drop Specifications. Version 1.12 can be found here using the “upcoming version” link. Release dates for the MEMX Development Environment (MDE) and Production to follow. Updates are listed below and in the specification Errata included in the download: MEMO FIX v1.12 MEMO SBE v1.12 FIX […]