October 16, 2025
Ops Notice 2025-045

TMX Group

TMX Operational Notice

REMINDER Production - Decryption Key Expiry and Rollover

Broadcast Feed (TBF/TRF, CBF/VRF, ABF/ARF) recipients are reminded that current Decryption Keys (DK) in the PRODUCTION environment expire at the close of business on Thursday, October 16, 2025. New keys will take effect on Friday, October 17, 2025.

Production Decryption Keys are now available for approved recipients to view and download on the TMX Axis Client Portal during the rollover period.