As previously announced here, MEMX Options released version 1.6C of its MEMO FIX and FIX Drop specifications. This update will be available in Production starting Tuesday, January 16, 2024.
**If your Firm currently uses version 1.6 in Production you will receive TrdMatchID (FIX tag 880) on Cancel/Correct messages in MEMO FIX and FIX Drops starting Tuesday, January 16, 2024.**
Our Market Operations and Member Experience teams are here for any of your questions.
MEMX Market Operations
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MEMX Member Experience
1-833-415-6369