
TransAlta fell 13.4% from $15.77 to $13.65, behind the S&P 500's +10.5%. Its worst day was Jun 4 (−10.4%), and its low came Sep 15 at $11.50.
Nov 10, 2025 – Nov 9, 2026 · picked from earnings, analyst actions, headlines and the biggest daily moves
TransAlta shares rose 7.5%, while the S&P 500 rose 0.4%.
+7.5% · S&P 500 +0.4%
TransAlta shares rose 7.1%, while the S&P 500 rose 1.9%.
+7.1% · S&P 500 +1.9%
Story events cover the past 12 months · Times ET
EPS of $-0.04 missed the $0.05 estimate on $429.6M revenue.
+5.8% · S&P 500 −0.5%
TransAlta shares fell 6.2%, while the S&P 500 rose 1.2%.
−6.2% · S&P 500 +1.2%
EPS of $0.04 beat the $0.01 estimate on $412.0M revenue.
+1.5% · S&P 500 +1.4%
TransAlta shares fell 10.4%, while the S&P 500 rose 0.4%.
−10.4%, the year's worst day · S&P 500 +0.4%
EPS of $0.13 beat the $0.11 estimate on $351.8M revenue.
−2.8% · S&P 500 +0.7%
TransAlta closed at its lowest level of the year, 27.1% below where the year started.
−2.5% · S&P 500 −0.5%
TransAlta Corporation (TransAlta or the Company) (TSX:TA) (NYSE:TAC) announced today that it has closed the sale of a 49 per cent minority ownership interest in its 500 MW wind portfolio in Oklahoma (the Assets) to Ares
−6.2% · S&P 500 −1.2%
EPS of $0.13 beat the $0.05 estimate on $383.0M revenue.
+3.4% · S&P 500 +0.3%
Where it ended: a close of $13.65 on Nov 9, 2026. Up next: Q4 2026 earnings on Feb 26, 2027 (EPS est. $-0.02).
Nothing in the past 12 months.
All TAC analyst actionsAs of the Nov 9, 2026 close
Replay the year: the line draws itself and stops at each of the 10 moments with what happened and how the stock reacted.
Chart by ChartIQ. Events, ratings, quote and fundamentals from Benzinga APIs. Daily bars for TAC and SPY from Benzinga historical bars. Not investment advice.