September 9, 2025
Equities Notice 2025-032
TMX Equity Trading Notice
MOC Eligibility: Symbols HSTR (TSXV) and KEY.R (TSX)
Effective Wednesday, September 10th, the Toronto Stock Exchange is adding the following securities to the TSX Market on Close (MOC) facility:
KEY.R - KEYERA CORP SUB RCT
Additionally, effective Wednesday, September 10th, the TSX Venture Exchange is adding the following securities to the TSXV Market on Close (MOC) facility:
HSTR - HELIOSTAR METALS LTD
The MOC facility provides equal access and opportunity in setting the closing price; increased price discovery efficiency and reduced volatility of the closing price for symbols eligible for the MOC facility. The MOC facility includes constituents of industry recognized indices as well as certain symbols that are MOC eligible based on participant demand and feedback.
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