Alerts and Notices Trader Alerts

Trader Alert 23-09: MEMX will no longer support version 1.9 MEMO and Fix Drop protocols as of March 1, 2023

On March 1, 2023, all 1.9 versions of the MEMX specs will be deprecated:

  • MEMO SBE v1.9
  • MEMO FIX v1.9
  • FIX DROP v1.9

Our Market Operations team is here for any of your questions.   

MEMX Market Operations