TransAlta Corporation (TSX:TA)
Canada · Delayed Price · Currency is CAD 23.20
-0.60 (-2.52%)
Oct 17, 2025, 4:00 PM EDT
TransAlta Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 17, 2025 | 23.50 | 23.72 | 22.74 | 23.20 | 23.20 | -2.52% | 2,442,715 |
| Oct 16, 2025 | 24.00 | 24.08 | 23.27 | 23.80 | 23.80 | -0.50% | 3,034,500 |
| Oct 15, 2025 | 23.78 | 24.37 | 23.78 | 23.92 | 23.92 | 1.83% | 3,541,700 |
| Oct 14, 2025 | 23.70 | 23.75 | 22.75 | 23.49 | 23.49 | 7.65% | 4,714,900 |
| Oct 10, 2025 | 21.93 | 22.68 | 21.77 | 21.82 | 21.82 | -0.32% | 2,985,600 |
| Oct 9, 2025 | 21.67 | 22.08 | 21.60 | 21.89 | 21.89 | 0.55% | 1,780,000 |
| Oct 8, 2025 | 20.97 | 21.92 | 20.97 | 21.77 | 21.77 | 4.01% | 3,765,640 |
| Oct 7, 2025 | 20.47 | 20.96 | 20.33 | 20.93 | 20.93 | 2.25% | 1,682,939 |
| Oct 6, 2025 | 20.23 | 20.73 | 20.22 | 20.47 | 20.47 | 1.34% | 1,718,919 |
| Oct 3, 2025 | 19.18 | 20.79 | 18.86 | 20.20 | 20.20 | 5.48% | 3,203,500 |
| Oct 2, 2025 | 19.39 | 19.39 | 19.07 | 19.15 | 19.15 | -0.62% | 1,077,849 |
| Oct 1, 2025 | 18.99 | 19.40 | 18.99 | 19.27 | 19.27 | 1.37% | 1,091,609 |
| Sep 30, 2025 | 19.00 | 19.18 | 18.90 | 19.01 | 19.01 | -0.16% | 811,834 |
| Sep 29, 2025 | 19.01 | 19.14 | 18.88 | 19.04 | 19.04 | 0.32% | 596,621 |
| Sep 26, 2025 | 18.79 | 19.02 | 18.73 | 18.98 | 18.98 | 0.96% | 643,700 |
| Sep 25, 2025 | 18.83 | 18.86 | 18.63 | 18.80 | 18.80 | -0.84% | 929,400 |
| Sep 24, 2025 | 18.86 | 19.06 | 18.70 | 18.96 | 18.96 | 0.69% | 583,426 |
| Sep 23, 2025 | 19.08 | 19.15 | 18.80 | 18.83 | 18.83 | -1.67% | 717,102 |
| Sep 22, 2025 | 18.67 | 19.21 | 18.58 | 19.15 | 19.15 | 1.70% | 1,289,000 |
| Sep 19, 2025 | 18.89 | 18.91 | 18.30 | 18.83 | 18.83 | 1.24% | 2,298,637 |
| Sep 18, 2025 | 18.14 | 18.75 | 18.14 | 18.60 | 18.60 | 2.82% | 1,685,100 |
| Sep 17, 2025 | 17.70 | 18.23 | 17.65 | 18.09 | 18.09 | 1.86% | 1,144,300 |
| Sep 16, 2025 | 17.76 | 17.82 | 17.57 | 17.76 | 17.76 | -0.67% | 1,073,332 |
| Sep 15, 2025 | 17.52 | 17.96 | 17.52 | 17.88 | 17.88 | 2.11% | 1,388,600 |
| Sep 12, 2025 | 17.43 | 17.53 | 17.34 | 17.51 | 17.51 | 0.46% | 587,000 |
| Sep 11, 2025 | 17.61 | 17.69 | 17.23 | 17.43 | 17.43 | -0.85% | 819,000 |
| Sep 10, 2025 | 17.27 | 17.64 | 17.18 | 17.58 | 17.58 | 2.75% | 767,225 |
| Sep 9, 2025 | 16.93 | 17.33 | 16.93 | 17.11 | 17.11 | 0.71% | 1,050,300 |
| Sep 8, 2025 | 16.93 | 17.08 | 16.80 | 16.99 | 16.99 | -0.18% | 1,679,030 |
| Sep 5, 2025 | 16.84 | 17.02 | 16.65 | 17.02 | 17.02 | 1.55% | 589,200 |
| Sep 4, 2025 | 16.61 | 16.77 | 16.52 | 16.76 | 16.76 | 0.90% | 566,000 |
| Sep 3, 2025 | 16.62 | 16.71 | 16.55 | 16.61 | 16.61 | -0.54% | 405,725 |
| Sep 2, 2025 | 16.68 | 16.93 | 16.49 | 16.70 | 16.70 | -1.01% | 648,331 |
| Aug 29, 2025 | 17.24 | 17.28 | 16.78 | 16.87 | 16.87 | -2.71% | 1,048,300 |
| Aug 28, 2025 | 16.68 | 17.41 | 16.61 | 17.34 | 17.27 | 4.21% | 1,260,800 |
| Aug 27, 2025 | 16.91 | 16.99 | 16.58 | 16.64 | 16.58 | -1.71% | 870,200 |
| Aug 26, 2025 | 16.85 | 16.95 | 16.68 | 16.93 | 16.87 | 0.47% | 737,613 |
| Aug 25, 2025 | 16.70 | 16.90 | 16.54 | 16.85 | 16.79 | 0.60% | 655,100 |
| Aug 22, 2025 | 17.14 | 17.15 | 16.69 | 16.75 | 16.69 | -2.10% | 1,690,600 |
| Aug 21, 2025 | 17.07 | 17.42 | 17.06 | 17.11 | 17.05 | 0.35% | 1,194,021 |
| Aug 20, 2025 | 17.07 | 17.23 | 16.83 | 17.05 | 16.99 | -0.58% | 1,077,100 |
| Aug 19, 2025 | 17.29 | 17.36 | 17.09 | 17.15 | 17.09 | -0.75% | 656,000 |
| Aug 18, 2025 | 17.00 | 17.43 | 17.00 | 17.28 | 17.22 | 1.41% | 1,532,100 |
| Aug 15, 2025 | 17.26 | 17.41 | 17.01 | 17.04 | 16.98 | -1.33% | 1,399,809 |
| Aug 14, 2025 | 16.85 | 17.45 | 16.75 | 17.27 | 17.21 | 2.37% | 1,326,500 |
| Aug 13, 2025 | 16.83 | 17.00 | 16.73 | 16.87 | 16.81 | -0.18% | 1,635,515 |
| Aug 12, 2025 | 16.58 | 16.95 | 16.53 | 16.90 | 16.84 | 2.05% | 986,341 |
| Aug 11, 2025 | 16.62 | 16.69 | 16.52 | 16.56 | 16.50 | -0.42% | 627,700 |
| Aug 8, 2025 | 16.57 | 16.77 | 16.43 | 16.63 | 16.57 | 0.73% | 1,838,420 |
| Aug 7, 2025 | 16.70 | 16.73 | 16.35 | 16.51 | 16.45 | -1.37% | 1,227,200 |