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.
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