October 30, 2025
Ops Notice 2025-049
TMX Operational Notice
鈥婩INAL REMINDER: Implementation Details for the 2025 Q4 Amendments
TMX Market Operations would like to remind all clients of the upcoming 2025 trading amendments to the Toronto Stock Exchange ("TSX"), 黑料传送门 Venture Exchange ("TSXV"), and TSX Alpha Exchange ("TSXA"). These amendments will be implemented in our production environment effective November 3, 2025. Details can be found below:
| Enhancements | Markets | Impact | Reference Notice |
| Alpha Post Only Minimum Size Requirement | Alpha |
- NO impact on Market Data feeds and FIX Order Entry
|
Equities Notice |
| Market on Open (MOO) | TSX and TSXV |
- Binary Level 1 and 2
- Broadcast
- FIX
- QRTMD Level 1 and 2
|
Equities Notice |
| Market on Close (MOC) | TSX and TSXV |
- Binary Level 1 and 2
|
Equities Notice |
Please note the Market on Open enhancement has received regulatory approval for both and . The Alpha Minimum Post Only size requirement has also received . The latest specifications are available on the .
The amendments are currently available in our Gateway Testing Environment.