In coordination with other market centers as part of SIFMA BCP testing, and in support of Regulation System Compliance and Integrity requirements, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, October 15, 2022. The scope for this weekend test will be a full feature test of all exchange functionality in order to […]
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 […]
Date Filed: August 8, 2022 Description: Amendment No. 1 to the proposal to adopt rules to govern the trading of options on the Exchange. Amendment No. 1 supersedes the original proposal (SR-MEMX-2022-10) in its entirety.