September 16, 2021
Ops Notice 2021-039

TMX Group

TMX Operational Notice

TMX Market Operations Notice - General Test Environment (GTE) – Decryption Key Expiry and Rollover

Broadcast Feed Decryption Keys (DK) in the General Test Environment (GTE) expire and rollover at the end of day, Thursday, September 30, 2021. Next period DK keys take effect on Friday, October 1, 2021.


All clients should have the new GTE Decryption Keys in their possession. If you are missing any DK keys, please contact us to have them re-issued.


The rollover in the PRODUCTION environment is still scheduled for October 15/16, 2021 and is not impacted by the GTE rollover.