March 26, 2021
Ops Notice 2021-018

TMX Group

TMX Operational Notice

Final Reminder: Implementation Details for the Q1 2021 Trading Enhancements

TMX Market Operations would like to remind all clients of the upcoming Q1 2021 enhancements to the Toronto Stock Exchange ("TSX"), TSX Venture Exchange ("TSXV") and TSX Alpha Exchange ("TSXA"). These enhancements are scheduled to be available in our production environment effective March 29, 2021 and the implementation details can be found as follows:

Dark Anonymous Broker Preferencing TSX / TSXV Notice 2020-024
IIROC Client Identifiers TSX / TSXV / TSXA Notice 2020-042
Symbol Expansion TSX / TSXV / TSXA Notice 2020-038

TMX Operations will be conducting maintenance work on Saturday March 27, 2021 which involves the publishing of data from all production TSX market data multicast groups. The activity will take place outside market hours on Saturday, between 00:01 ET and 23:59 ET. Please disregard any messages received during the maintenance period.

Please note that all items listed above are currently available in our Gateway Testing Environment (GTE). Updated order entry and feed specifications reflecting these enhancements are available on the TMX Webstore.

For more information contact TMX Market Operations at (416) 947-4357.