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 $3,485.21 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,342.71, while $1000 invested 1 year ago would be worth $759.67. This corresponds to total returns of 248.52%, 34.27%, -24.03%, respectively, with annualized returns of 13.3%, 6.07%, -24.03%.
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 |
|---|---|---|---|---|---|---|
| October 21, 2026 | 18.32 | 18.71 | 18.71 | 19.08 | 18.32 | 2.96M |
| October 20, 2026 | 18.28 | 18.23 | 18.23 | 18.39 | 18.17 | 694,136 |
| October 19, 2026 | 18.33 | 18.37 | 18.37 | 18.45 | 18.07 | 1.97M |
| October 16, 2026 | 18.03 | 18.25 | 18.25 | 18.44 | 17.89 | 2.23M |
| October 15, 2026 | 17.95 | 18 | 18 | 18.05 | 17.5 | 1.8M |
| October 14, 2026 | 18.7 | 18.06 | 18.06 | 18.85 | 17.9 | 4.93M |
| October 13, 2026 | 18.53 | 18.78 | 18.78 | 18.88 | 18.35 | 2.02M |
| October 09, 2026 | 18.35 | 18.78 | 18.78 | 18.78 | 18.27 | 1.48M |
| October 08, 2026 | 18.19 | 18.34 | 18.34 | 18.51 | 18.1 | 1.95M |
| October 07, 2026 | 18.43 | 18.36 | 18.36 | 18.8 | 18.31 | 1.36M |
| October 06, 2026 | 17.88 | 18.63 | 18.63 | 18.81 | 17.86 | 2.7M |
| October 05, 2026 | 17.58 | 17.78 | 17.78 | 17.86 | 17.35 | 2.43M |
| October 02, 2026 | 17.42 | 17.59 | 17.59 | 17.71 | 17.37 | 1.07M |
| October 01, 2026 | 17.3 | 17.35 | 17.35 | 17.62 | 17.21 | 2.49M |
| September 30, 2026 | 16.81 | 17.22 | 17.22 | 17.27 | 16.68 | 1.3M |
| September 29, 2026 | 16.75 | 16.76 | 16.76 | 16.83 | 16.46 | 960,030 |
| September 28, 2026 | 16.25 | 16.8 | 16.8 | 16.99 | 16.19 | 2.14M |
| September 25, 2026 | 16.61 | 16.3 | 16.3 | 16.83 | 16.22 | 1.53M |
| September 24, 2026 | 16.73 | 16.64 | 16.64 | 16.77 | 16.51 | 872,125 |
| September 23, 2026 | 16.81 | 16.88 | 16.88 | 16.97 | 16.65 | 2.24M |
| September 22, 2026 | 17.28 | 16.81 | 16.81 | 17.38 | 16.73 | 1.17M |
| September 21, 2026 | 17.2 | 17.29 | 17.29 | 17.4 | 17.12 | 1.69M |
| September 18, 2026 | 17.19 | 17.12 | 17.12 | 17.28 | 16.98 | 2.23M |
| September 17, 2026 | 16.9 | 17.18 | 17.18 | 17.24 | 16.82 | 1.31M |
| September 16, 2026 | 16.22 | 16.73 | 16.73 | 16.91 | 16.06 | 1.98M |
| September 15, 2026 | 16.47 | 16.02 | 16.02 | 16.67 | 15.96 | 1.79M |
| 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 |
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