TransAlta Corporation (TA.TO) TSX
Currency In CAD
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TA.TO Historical Return
If you invested $1000 in TransAlta Corporation (TA.TO) 10 years ago, it would be worth $3,346 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,422.62, while $1000 invested 1 year ago would be worth $961.49. This corresponds to total returns of 234.6%, 42.26%, -3.85%, respectively, with annualized returns of 12.83%, 7.3%, -3.85%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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TA.TO Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| September 11, 2026 | 16.97 | 16.73 | 16.73 | 17.04 | 16.69 | 2.68M |
| September 10, 2026 | 16.96 | 16.88 | 16.88 | 17.02 | 16.68 | 1.74M |
| September 09, 2026 | 17.03 | 17.06 | 17.06 | 17.27 | 16.93 | 1.28M |
| September 08, 2026 | 16.5 | 17.11 | 17.11 | 17.27 | 16.5 | 2.72M |
| September 04, 2026 | 16.3 | 16.55 | 16.55 | 16.71 | 16.22 | 960,062 |
| September 03, 2026 | 16.47 | 16.26 | 16.26 | 16.52 | 16.15 | 2.19M |
| September 02, 2026 | 16.36 | 16.41 | 16.41 | 16.48 | 16.17 | 1.85M |
| September 01, 2026 | 16.7 | 16.4 | 16.4 | 16.84 | 16.25 | 1.33M |
| August 31, 2026 | 16.96 | 16.77 | 16.77 | 16.96 | 16.63 | 3.33M |
| August 28, 2026 | 17.36 | 16.95 | 16.95 | 17.4 | 16.83 | 2.4M |
| August 27, 2026 | 17.51 | 17.3 | 17.3 | 17.68 | 17.15 | 2.77M |
| August 26, 2026 | 16.9 | 17.55 | 17.55 | 17.7 | 16.9 | 1.97M |
| August 25, 2026 | 16.84 | 16.93 | 16.93 | 17.03 | 16.81 | 3.45M |
| August 24, 2026 | 16.76 | 16.78 | 16.78 | 16.84 | 16.41 | 2.56M |
| August 21, 2026 | 17.46 | 16.81 | 16.81 | 17.54 | 16.79 | 2.04M |
| August 20, 2026 | 17 | 17.39 | 17.39 | 17.69 | 17 | 2.7M |
| August 19, 2026 | 17.37 | 17.1 | 17.1 | 17.41 | 16.98 | 1.78M |
| August 18, 2026 | 17.51 | 17.36 | 17.36 | 17.6 | 17.28 | 1.4M |
| August 17, 2026 | 17.73 | 17.63 | 17.63 | 17.81 | 17.53 | 3.43M |
| August 14, 2026 | 17.55 | 17.77 | 17.77 | 17.88 | 17.48 | 1.17M |
| August 13, 2026 | 17.29 | 17.54 | 17.54 | 17.59 | 17.23 | 2.6M |
| August 12, 2026 | 17.2 | 17.27 | 17.27 | 17.64 | 17.15 | 3.37M |
| August 11, 2026 | 17.13 | 17.38 | 17.38 | 17.47 | 17.1 | 2.07M |
| August 10, 2026 | 17.25 | 17.1 | 17.1 | 17.39 | 17.03 | 2.14M |
| August 07, 2026 | 17.54 | 17.32 | 17.32 | 17.7 | 17.3 | 1.92M |
| August 06, 2026 | 17.69 | 17.48 | 17.48 | 17.85 | 17.39 | 2M |
| August 05, 2026 | 17.98 | 17.74 | 17.74 | 18.14 | 17.74 | 1.45M |
| August 04, 2026 | 17.56 | 17.99 | 17.99 | 18.08 | 17.32 | 2.25M |
| July 31, 2026 | 18 | 17.56 | 17.56 | 18.24 | 17.5 | 1.74M |
| July 30, 2026 | 17.69 | 18.04 | 18.04 | 18.1 | 17.62 | 1.45M |
| July 29, 2026 | 18 | 17.52 | 17.52 | 18.07 | 17.39 | 2.46M |
| July 28, 2026 | 18.8 | 17.99 | 17.99 | 18.81 | 17.86 | 1.99M |
| July 27, 2026 | 19.17 | 18.94 | 18.94 | 19.27 | 18.76 | 1.93M |
| July 24, 2026 | 19.84 | 19.3 | 19.3 | 19.88 | 19.29 | 738,877 |
| July 23, 2026 | 19.74 | 19.88 | 19.88 | 19.96 | 19.58 | 616,412 |
| July 22, 2026 | 19.6 | 19.76 | 19.76 | 19.89 | 19.22 | 2.29M |
| July 21, 2026 | 19.42 | 19.71 | 19.71 | 19.79 | 19.3 | 1.73M |
| July 20, 2026 | 18.67 | 19.32 | 19.32 | 19.33 | 18.63 | 1.7M |
| July 17, 2026 | 18.42 | 18.61 | 18.61 | 18.82 | 18.29 | 2.03M |
| July 16, 2026 | 19.14 | 18.59 | 18.59 | 19.14 | 18.47 | 2.69M |
| July 15, 2026 | 19.66 | 19.15 | 19.15 | 19.78 | 18.93 | 1.11M |
| July 14, 2026 | 19.87 | 19.59 | 19.59 | 19.94 | 19.51 | 1.4M |
| July 13, 2026 | 20.11 | 19.68 | 19.68 | 20.16 | 19.63 | 674,664 |
| July 10, 2026 | 20.51 | 20.15 | 20.15 | 20.51 | 20.13 | 1.08M |
| July 09, 2026 | 20.64 | 20.54 | 20.54 | 21.07 | 20.25 | 1.39M |
| July 08, 2026 | 19.86 | 20.49 | 20.49 | 20.6 | 19.78 | 2.05M |
| July 07, 2026 | 19.34 | 20 | 20 | 20.01 | 19.23 | 2.37M |
| July 06, 2026 | 19.53 | 19.28 | 19.28 | 19.85 | 19.25 | 1.44M |
| July 03, 2026 | 19.14 | 19.45 | 19.45 | 19.63 | 19.14 | 382,303 |
| July 02, 2026 | 19.31 | 19.11 | 19.11 | 19.62 | 18.87 | 2.37M |
| June 30, 2026 | 19.28 | 19.62 | 19.62 | 19.79 | 19.16 | 1.29M |
| June 29, 2026 | 19.57 | 19.36 | 19.36 | 19.76 | 19.15 | 2.06M |
| June 26, 2026 | 19.62 | 19.57 | 19.57 | 19.67 | 19.4 | 2.2M |
| June 25, 2026 | 19.68 | 19.59 | 19.59 | 19.87 | 19.29 | 2.53M |
| June 24, 2026 | 19.46 | 19.47 | 19.47 | 19.82 | 19.24 | 2.72M |
| June 23, 2026 | 19.37 | 19.51 | 19.51 | 19.51 | 19.21 | 1.92M |
| June 22, 2026 | 19.55 | 19.64 | 19.64 | 19.9 | 19.42 | 2.08M |
| June 19, 2026 | 19.4 | 19.52 | 19.52 | 19.62 | 19.4 | 739,023 |
| June 18, 2026 | 19.22 | 19.43 | 19.43 | 19.57 | 19.07 | 1.94M |
| June 17, 2026 | 18.89 | 19.16 | 19.16 | 19.5 | 18.88 | 2.54M |
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