On Monday, February 5, 2024, MEMX Options is releasing a quote cancel message ordering change, as announced in Trader Alert 24-07. The message ordering change is currently available in the MODE test facility and will be available in production for testing during a Saturday, February 3, 2024, UAT.
A UAT session will be available, in MEMX Options production, between 9:30 AM ET and 11:00 AM ET on Saturday, February 3, 2024.
Please refer to Trader Alert 24-07 for additional information regarding the change to the ordering of quote cancels that result from replacement of existing quotes.
Our Market Operations and Member Experience teams are here for any of your questions.
MEMX Market Operations.
mops@memx.com
1-833-415-6677
MEMX Member Experience
memberx@memx.com
1-833-415-6369