Alerts and Notices Trader Alerts

Trader Alert 22-23:  Updated MEMO FIX, MEMO SBE, and Fix Drop Specifications

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 document included in the download for more details.

These 2 new LastLiquidityIndType codes will be available in the MDE test environment starting on Tuesday, August 16, 2022. The planned released date for production is Thursday, September 1,2022.

Our Market Operations team is here for any of your questions.  

MEMX Market Operations