TransAlta Corporation (TAC)

Last Closing Price: 11.96 (2026-09-04)

Historical Volatility (Close-to-Close) (60-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

TransAlta Corporation (TAC) had 60-Day Historical Volatility (Close-to-Close) of 0.3342 for 2026-09-04.