November 3, 2025
Ops Notice 2025-006
TMX Production Alert
TSX Production Alert: Incorrect Message Type R - Closing Price on the TL1/CL1
We are investigating an issue where Message Type R - TSX / TSXV Closing Price on the TL1/CL1 data feed was disseminated with the incorrect prices. These messages are sent at 4:10 and 5:00pm.
Please note that the issue is specific to what was disseminated on the TL1/CL1 data feed. The closing prices determined by the Market on Close and used to set the board lot for tomorrow are correct. The correct closing prices were also disseminated on the TRD / VRD EOD Summary.
Clients that consume this message type may reach out to Equities Market Operations team to obtain the correct prices.
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