TransAlta Corporation (TAC)
NYSE · Utilities
TransAlta Corporation Stock Price History
TransAlta Corporation
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Historical daily closing price for TransAlta Corporation since 2006, adjusted for splits and dividends. The latest closing stock price for TransAlta Corporation as of June 11, 2026 is 12.92.
- The all-time high TransAlta Corporation stock closing price was 37.06 on July 21, 2008.
- The TransAlta Corporation 52-week high stock price is 17.73, which is 37.2% above the current share price.
- The TransAlta Corporation 52-week low stock price is 10.42, which is 19.3% below the current share price.
- The average TransAlta Corporation stock price for the last 52 weeks is 13.20.
Annual Close Price
YEAR-END CLOSE · USD
ANNUAL % CHANGE · %
| Year | Average | Year Open | Year High | Year Low | Year Close | Annual % Change |
|---|---|---|---|---|---|---|
| 2026 | 12.98 | 13.02 | 14.46 | 11.78 | 12.92 | +2.22% |
| 2025 | 11.99 | 14.08 | 17.73 | 8.16 | 12.64 | -10.67% |
| 2024 | 8.44 | 8.27 | 14.33 | 6.06 | 14.15 | +70.28% |
| 2023 | 8.99 | 8.90 | 10.38 | 7.32 | 8.31 | -7.36% |
| 2022 | 10.14 | 11.73 | 11.74 | 7.79 | 8.97 | -19.33% |
| 2021 | 9.87 | 7.66 | 11.59 | 7.66 | 11.12 | +46.51% |
| 2020 | 6.37 | 7.02 | 8.50 | 3.80 | 7.59 | +6.01% |
| 2019 | 6.32 | 4.18 | 7.49 | 4.18 | 7.16 | +73.79% |
| 2018 | 5.38 | 5.95 | 5.95 | 4.10 | 4.12 | -30.76% |
| 2017 | 5.86 | 5.50 | 6.55 | 5.10 | 5.95 | +8.18% |
| 2016 | 4.60 | 3.50 | 5.70 | 2.60 | 5.50 | +55.37% |
TransAlta Corporation Stock Price History — FAQ
TransAlta Corporation (TAC) stock price history — annual and quarterly figures with year-over-year growth and charts.
Where can I see TAC's stock price history history?
The chart and table above show TransAlta Corporation's stock price history by year and by quarter, including the growth rate.