Alerts and Notices Trader Alerts

Trader Alert 21-13: MEMX Regulation SCI Disaster Recovery Testing

On February 1, 2021, MEMX published Regulatory Notice 21-2: Mandatory Participation in Regulation SCI Disaster Recovery Testing. In coordination with other market centers as part of the SIFMA organized industry test, and in support of Regulation System Compliance and Integrity requirements, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, October 23, 2021.  The scope for this weekend test will be a full feature test of all exchange functionality in order to ensure that MEMX is able to quickly relocate data center operations to Chicago, IL. 

  • Designated members were notified on April 20, 2021
  • Designated members are required to connect to MEMX backup systems in Chicago no later than September 15, 2021
  • On test day each designated Firm will be required to: 
    • Connect to the MEMX backup systems in Chicago
    • Execute at least one (1) trade in Tape A, B, and C 
    • Confirm receipt of drop copy and market data, if so configured 
  • All members are encouraged to voluntarily participate in testing with MEMX  
MEMX 2021 Disaster Recovery Test Script

DR Testing Contact Information 

  • For questions regarding designation as a MEMX mandatory participant please contact MEMX Compliance: 
  • For questions regarding sessions or general support please contact MEMX Market Operations: 
  • For questions regarding network connectivity in our Chicago facilities please contact MEMX Network Operations: