TransAlta Corporation (TAC)
NYSE: TAC · Real-Time Price · USD
12.71
+0.12 (0.95%)
At close: Apr 28, 2026, 4:00 PM EDT
12.36
-0.35 (-2.75%)
After-hours: Apr 28, 2026, 7:00 PM EDT
TransAlta Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 12.49 | 12.86 | 12.45 | 12.71 | 12.71 | 0.95% | 825,980 |
| Apr 27, 2026 | 12.63 | 12.70 | 12.41 | 12.59 | 12.59 | 0.80% | 698,196 |
| Apr 24, 2026 | 12.12 | 12.55 | 11.99 | 12.49 | 12.49 | 3.39% | 916,769 |
| Apr 23, 2026 | 12.33 | 12.54 | 11.92 | 12.08 | 12.08 | -1.63% | 754,919 |
| Apr 22, 2026 | 12.31 | 12.38 | 12.02 | 12.28 | 12.28 | 0.99% | 599,150 |
| Apr 21, 2026 | 12.45 | 12.70 | 12.13 | 12.16 | 12.16 | -3.95% | 1,008,996 |
| Apr 20, 2026 | 12.65 | 12.78 | 12.54 | 12.66 | 12.66 | - | 1,020,948 |
| Apr 17, 2026 | 13.50 | 13.50 | 12.65 | 12.66 | 12.66 | -6.22% | 1,774,795 |
| Apr 16, 2026 | 13.66 | 13.68 | 13.36 | 13.50 | 13.50 | -1.32% | 552,440 |
| Apr 15, 2026 | 13.46 | 13.90 | 13.32 | 13.68 | 13.68 | 1.41% | 781,764 |
| Apr 14, 2026 | 13.56 | 13.79 | 13.43 | 13.49 | 13.49 | -1.39% | 658,632 |
| Apr 13, 2026 | 13.94 | 13.99 | 13.66 | 13.68 | 13.68 | -2.29% | 499,497 |
| Apr 10, 2026 | 13.88 | 14.12 | 13.87 | 14.00 | 14.00 | 1.23% | 540,160 |
| Apr 9, 2026 | 13.80 | 14.24 | 13.75 | 13.83 | 13.83 | - | 881,252 |
| Apr 8, 2026 | 13.93 | 14.06 | 13.57 | 13.83 | 13.83 | 2.14% | 679,372 |
| Apr 7, 2026 | 13.58 | 13.79 | 13.39 | 13.54 | 13.54 | -0.73% | 825,654 |
| Apr 6, 2026 | 13.41 | 13.72 | 13.41 | 13.64 | 13.64 | 1.19% | 766,587 |
| Apr 2, 2026 | 13.05 | 13.49 | 13.03 | 13.48 | 13.48 | 1.43% | 850,585 |
| Apr 1, 2026 | 13.20 | 13.47 | 13.15 | 13.29 | 13.29 | 1.45% | 1,309,646 |
| Mar 31, 2026 | 12.90 | 13.25 | 12.81 | 13.10 | 13.10 | 3.07% | 1,560,424 |
| Mar 30, 2026 | 13.05 | 13.05 | 12.61 | 12.71 | 12.71 | -1.63% | 1,254,252 |
| Mar 27, 2026 | 12.94 | 13.08 | 12.80 | 12.92 | 12.92 | -0.15% | 1,016,162 |
| Mar 26, 2026 | 12.98 | 13.21 | 12.87 | 12.94 | 12.94 | -0.92% | 1,129,556 |
| Mar 25, 2026 | 13.00 | 13.30 | 12.94 | 13.06 | 13.06 | 2.35% | 2,157,006 |
| Mar 24, 2026 | 12.37 | 12.93 | 12.06 | 12.76 | 12.76 | 6.07% | 1,836,961 |
| Mar 23, 2026 | 11.86 | 12.10 | 11.38 | 12.03 | 12.03 | 2.12% | 1,935,789 |
| Mar 20, 2026 | 12.28 | 12.41 | 11.69 | 11.78 | 11.78 | -5.08% | 1,932,719 |
| Mar 19, 2026 | 12.30 | 12.56 | 12.16 | 12.41 | 12.41 | -0.24% | 1,299,259 |
| Mar 18, 2026 | 12.61 | 12.65 | 12.42 | 12.44 | 12.44 | -0.88% | 1,115,785 |
| Mar 17, 2026 | 12.47 | 12.66 | 12.40 | 12.55 | 12.55 | 0.64% | 1,232,048 |
| Mar 16, 2026 | 12.59 | 12.67 | 12.30 | 12.47 | 12.47 | 0.24% | 1,237,871 |
| Mar 13, 2026 | 12.82 | 13.04 | 12.40 | 12.44 | 12.44 | -2.51% | 938,529 |
| Mar 12, 2026 | 12.70 | 13.07 | 12.59 | 12.76 | 12.76 | -0.78% | 1,387,872 |
| Mar 11, 2026 | 12.75 | 12.95 | 12.59 | 12.86 | 12.86 | 1.02% | 1,284,732 |
| Mar 10, 2026 | 12.70 | 12.96 | 12.64 | 12.73 | 12.73 | 0.63% | 1,078,333 |
| Mar 9, 2026 | 12.60 | 12.69 | 12.11 | 12.65 | 12.65 | -0.55% | 1,224,546 |
| Mar 6, 2026 | 13.05 | 13.17 | 12.61 | 12.72 | 12.72 | -4.29% | 955,363 |
| Mar 5, 2026 | 13.14 | 13.31 | 12.99 | 13.29 | 13.29 | 0.30% | 925,382 |
| Mar 4, 2026 | 13.27 | 13.63 | 13.15 | 13.25 | 13.25 | -0.15% | 895,909 |
| Mar 3, 2026 | 13.47 | 13.63 | 12.95 | 13.27 | 13.27 | -3.91% | 1,876,924 |
| Mar 2, 2026 | 13.55 | 14.20 | 13.26 | 13.81 | 13.81 | 0.51% | 1,609,317 |
| Feb 27, 2026 | 13.32 | 14.01 | 13.26 | 13.74 | 13.74 | 5.45% | 2,757,174 |
| Feb 26, 2026 | 12.86 | 13.03 | 12.59 | 13.03 | 12.98 | 1.32% | 2,556,805 |
| Feb 25, 2026 | 13.09 | 13.12 | 12.85 | 12.86 | 12.81 | -1.38% | 1,133,398 |
| Feb 24, 2026 | 12.96 | 13.13 | 12.87 | 13.04 | 12.99 | 1.09% | 1,130,748 |
| Feb 23, 2026 | 13.48 | 13.50 | 12.76 | 12.90 | 12.85 | -4.44% | 1,231,576 |
| Feb 20, 2026 | 13.47 | 13.55 | 13.26 | 13.50 | 13.45 | 0.15% | 725,445 |
| Feb 19, 2026 | 13.45 | 13.60 | 13.27 | 13.48 | 13.43 | 0.67% | 664,867 |
| Feb 18, 2026 | 13.50 | 13.56 | 13.30 | 13.39 | 13.34 | -0.30% | 1,265,433 |
| Feb 17, 2026 | 13.53 | 13.63 | 13.21 | 13.43 | 13.38 | -1.10% | 1,505,935 |
| Feb 13, 2026 | 13.31 | 13.67 | 13.29 | 13.58 | 13.53 | 1.80% | 805,234 |
| Feb 12, 2026 | 13.57 | 13.68 | 12.99 | 13.34 | 13.29 | -1.48% | 934,562 |
| Feb 11, 2026 | 13.44 | 13.54 | 13.04 | 13.54 | 13.49 | 2.19% | 894,792 |
| Feb 10, 2026 | 13.60 | 13.60 | 13.02 | 13.25 | 13.20 | -2.65% | 1,082,851 |
| Feb 9, 2026 | 13.35 | 13.62 | 13.22 | 13.61 | 13.56 | 2.79% | 1,639,731 |
| Feb 6, 2026 | 12.57 | 13.25 | 12.55 | 13.24 | 13.19 | 7.12% | 1,770,247 |
| Feb 5, 2026 | 12.48 | 12.61 | 12.31 | 12.36 | 12.31 | -1.83% | 1,720,515 |
| Feb 4, 2026 | 13.13 | 13.22 | 12.54 | 12.59 | 12.54 | -3.67% | 1,956,682 |
| Feb 3, 2026 | 12.95 | 13.24 | 12.82 | 13.07 | 13.02 | 2.43% | 2,006,350 |
| Feb 2, 2026 | 12.72 | 12.99 | 12.63 | 12.76 | 12.71 | -0.16% | 1,239,663 |
| Jan 30, 2026 | 13.31 | 13.57 | 12.68 | 12.78 | 12.73 | -5.68% | 1,796,458 |
| Jan 29, 2026 | 13.98 | 13.99 | 13.37 | 13.55 | 13.50 | -2.80% | 2,282,995 |
| Jan 28, 2026 | 13.86 | 13.98 | 13.69 | 13.94 | 13.89 | 0.94% | 2,714,555 |
| Jan 27, 2026 | 12.89 | 13.87 | 12.88 | 13.81 | 13.76 | 7.47% | 3,754,347 |
| Jan 26, 2026 | 12.79 | 13.22 | 12.75 | 12.85 | 12.80 | 1.18% | 1,448,101 |
| Jan 23, 2026 | 12.50 | 12.82 | 12.38 | 12.70 | 12.65 | 1.84% | 914,053 |
| Jan 22, 2026 | 12.52 | 12.93 | 12.47 | 12.47 | 12.42 | 0.89% | 1,605,838 |
| Jan 21, 2026 | 13.10 | 13.37 | 12.08 | 12.36 | 12.31 | -4.33% | 2,673,476 |
| Jan 20, 2026 | 12.40 | 12.92 | 12.34 | 12.92 | 12.87 | 2.87% | 2,616,355 |
| Jan 16, 2026 | 12.35 | 12.56 | 12.02 | 12.56 | 12.51 | 1.70% | 2,631,348 |
| Jan 15, 2026 | 12.31 | 12.42 | 11.96 | 12.35 | 12.30 | 2.07% | 842,216 |
| Jan 14, 2026 | 12.15 | 12.20 | 11.97 | 12.10 | 12.06 | -0.58% | 1,218,729 |
| Jan 13, 2026 | 12.21 | 12.27 | 12.09 | 12.17 | 12.13 | -0.08% | 1,176,393 |
| Jan 12, 2026 | 12.35 | 12.41 | 12.18 | 12.18 | 12.14 | -1.54% | 1,182,690 |
| Jan 9, 2026 | 12.55 | 12.63 | 12.35 | 12.37 | 12.32 | 1.39% | 1,329,073 |
| Jan 8, 2026 | 12.28 | 12.40 | 12.10 | 12.20 | 12.16 | -1.05% | 771,038 |
| Jan 7, 2026 | 12.73 | 12.82 | 12.28 | 12.33 | 12.29 | -3.07% | 1,059,370 |
| Jan 6, 2026 | 12.96 | 12.96 | 12.47 | 12.72 | 12.67 | -1.17% | 1,366,373 |
| Jan 5, 2026 | 13.03 | 13.13 | 12.59 | 12.87 | 12.82 | -1.15% | 1,318,716 |
| Jan 2, 2026 | 12.79 | 13.04 | 12.71 | 13.02 | 12.97 | 3.01% | 1,164,665 |
| Dec 31, 2025 | 12.67 | 12.80 | 12.62 | 12.64 | 12.59 | -0.16% | 709,445 |
| Dec 30, 2025 | 12.72 | 12.81 | 12.64 | 12.66 | 12.61 | -0.47% | 1,232,580 |
| Dec 29, 2025 | 12.76 | 12.86 | 12.63 | 12.72 | 12.67 | -0.93% | 1,066,903 |
| Dec 26, 2025 | 12.73 | 12.93 | 12.64 | 12.84 | 12.79 | 0.86% | 570,513 |
| Dec 24, 2025 | 12.68 | 12.74 | 12.51 | 12.73 | 12.68 | 0.16% | 708,152 |
| Dec 23, 2025 | 12.46 | 12.73 | 12.45 | 12.71 | 12.66 | 2.01% | 910,049 |
| Dec 22, 2025 | 12.63 | 12.63 | 12.34 | 12.46 | 12.41 | -0.56% | 1,550,419 |
| Dec 19, 2025 | 12.58 | 12.92 | 12.49 | 12.53 | 12.48 | -0.32% | 2,422,419 |
| Dec 18, 2025 | 13.01 | 13.10 | 12.50 | 12.57 | 12.52 | -1.87% | 2,132,656 |
| Dec 17, 2025 | 13.65 | 13.68 | 12.73 | 12.81 | 12.76 | -5.67% | 2,190,987 |
| Dec 16, 2025 | 13.52 | 13.76 | 13.52 | 13.58 | 13.53 | -0.80% | 929,292 |
| Dec 15, 2025 | 14.07 | 14.07 | 13.54 | 13.69 | 13.64 | -1.16% | 1,227,392 |
| Dec 12, 2025 | 14.54 | 14.54 | 13.84 | 13.85 | 13.80 | -3.95% | 1,095,822 |
| Dec 11, 2025 | 14.40 | 14.55 | 14.07 | 14.42 | 14.37 | -0.28% | 1,403,712 |
| Dec 10, 2025 | 14.73 | 14.86 | 14.15 | 14.46 | 14.41 | -1.03% | 1,829,236 |
| Dec 9, 2025 | 14.25 | 15.24 | 14.25 | 14.61 | 14.56 | 3.54% | 1,828,337 |
| Dec 8, 2025 | 14.16 | 14.17 | 13.88 | 14.11 | 14.06 | 0.36% | 1,052,448 |
| Dec 5, 2025 | 14.28 | 14.38 | 13.97 | 14.06 | 14.01 | -1.40% | 784,913 |
| Dec 4, 2025 | 14.01 | 14.42 | 13.92 | 14.26 | 14.21 | 1.86% | 993,016 |
| Dec 3, 2025 | 14.07 | 14.15 | 13.91 | 14.00 | 13.95 | -0.43% | 699,877 |