Month: November 2023

On Thursday, November 16, 2023, MEMX Options released a new version of its Risk Specification. Version 1.6 can be downloaded here using the “upcoming version” link. Release date for MODE and Production to follow, updates are listed below and in the specification Errata included in the download: Risk Specification v1.6 Our Market Operations and Member Experience teams are […]

On Wednesday, November 15, 2023, MEMX Options plans to release MEMOIR, MEMO, and FIX Drop version 1.6A to production. Version 1.6A can be downloaded here using the “upcoming version” link. Members that would like to upgrade to version 1.6A MEMO or FIX Drop should reach out to Market Ops. Updates are listed in the specification Errata included in the […]

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, December 2, 2023. In coordination with other market participants, MEMX will participate in the test and publish a test script: MEMX 2023 Market-Wide Circuit Breaker Test Script. Certain members designated […]