TransAlta Corporation (TAC)
NYSE: TAC · Real-Time Price · USD
17.27
+0.04 (0.23%)
At close: Oct 24, 2025, 4:00 PM EDT
17.31
+0.04 (0.23%)
After-hours: Oct 24, 2025, 7:58 PM EDT
TransAlta Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 24, 2025 | 17.52 | 17.52 | 17.03 | 17.27 | 17.27 | 0.23% | 1,544,769 |
| Oct 23, 2025 | 16.75 | 17.37 | 16.70 | 17.23 | 17.23 | 2.99% | 2,107,393 |
| Oct 22, 2025 | 16.70 | 17.21 | 16.24 | 16.73 | 16.73 | 0.12% | 2,385,162 |
| Oct 21, 2025 | 16.80 | 16.92 | 16.45 | 16.71 | 16.71 | -0.89% | 1,607,163 |
| Oct 20, 2025 | 16.72 | 17.10 | 16.59 | 16.86 | 16.86 | 1.75% | 2,472,225 |
| Oct 17, 2025 | 16.63 | 16.90 | 16.18 | 16.57 | 16.57 | -2.30% | 2,652,945 |
| Oct 16, 2025 | 17.15 | 17.15 | 16.58 | 16.96 | 16.96 | -0.47% | 2,212,356 |
| Oct 15, 2025 | 17.05 | 17.35 | 16.93 | 17.04 | 17.04 | 1.85% | 2,777,927 |
| Oct 14, 2025 | 16.87 | 16.92 | 16.17 | 16.73 | 16.73 | -2.16% | 4,305,090 |
| Oct 13, 2025 | 16.33 | 17.69 | 16.21 | 17.10 | 17.10 | 9.69% | 6,895,964 |
| Oct 10, 2025 | 15.67 | 16.20 | 15.55 | 15.59 | 15.59 | -0.06% | 4,124,735 |
| Oct 9, 2025 | 15.60 | 15.79 | 15.41 | 15.60 | 15.60 | -0.06% | 1,332,208 |
| Oct 8, 2025 | 15.07 | 15.70 | 15.05 | 15.61 | 15.61 | 4.07% | 3,095,727 |
| Oct 7, 2025 | 14.71 | 15.01 | 14.58 | 15.00 | 15.00 | 2.25% | 1,211,326 |
| Oct 6, 2025 | 14.50 | 14.86 | 14.47 | 14.67 | 14.67 | 1.38% | 2,025,673 |
| Oct 3, 2025 | 13.77 | 14.90 | 13.52 | 14.47 | 14.47 | 5.62% | 3,363,581 |
| Oct 2, 2025 | 13.90 | 13.91 | 13.66 | 13.70 | 13.70 | -0.72% | 1,256,616 |
| Oct 1, 2025 | 13.69 | 13.91 | 13.64 | 13.80 | 13.80 | 0.95% | 3,655,103 |
| Sep 30, 2025 | 13.61 | 13.79 | 13.58 | 13.67 | 13.67 | - | 835,983 |
| Sep 29, 2025 | 13.66 | 13.76 | 13.56 | 13.67 | 13.67 | 0.37% | 466,775 |
| Sep 26, 2025 | 13.53 | 13.64 | 13.45 | 13.62 | 13.62 | 0.96% | 526,940 |
| Sep 25, 2025 | 13.50 | 13.55 | 13.40 | 13.49 | 13.49 | -1.10% | 741,145 |
| Sep 24, 2025 | 13.68 | 13.74 | 13.46 | 13.64 | 13.64 | 0.15% | 616,316 |
| Sep 23, 2025 | 13.83 | 13.83 | 13.59 | 13.62 | 13.62 | -1.73% | 670,498 |
| Sep 22, 2025 | 13.51 | 13.90 | 13.47 | 13.86 | 13.86 | 1.61% | 1,811,338 |
| Sep 19, 2025 | 13.68 | 13.81 | 13.26 | 13.64 | 13.64 | 1.26% | 1,695,888 |
| Sep 18, 2025 | 13.28 | 13.59 | 13.18 | 13.47 | 13.47 | 2.51% | 1,413,898 |
| Sep 17, 2025 | 12.88 | 13.27 | 12.83 | 13.14 | 13.14 | 1.62% | 1,221,362 |
| Sep 16, 2025 | 13.00 | 13.00 | 12.77 | 12.93 | 12.93 | -0.54% | 488,084 |
| Sep 15, 2025 | 12.64 | 13.02 | 12.64 | 13.00 | 13.00 | 2.85% | 1,714,795 |
| Sep 12, 2025 | 12.56 | 12.67 | 12.53 | 12.64 | 12.64 | -0.08% | 699,824 |
| Sep 11, 2025 | 12.71 | 12.82 | 12.45 | 12.65 | 12.65 | -0.24% | 947,878 |
| Sep 10, 2025 | 12.47 | 12.73 | 12.44 | 12.68 | 12.68 | 2.67% | 705,299 |
| Sep 9, 2025 | 12.30 | 12.53 | 12.25 | 12.35 | 12.35 | 0.32% | 918,150 |
| Sep 8, 2025 | 12.32 | 12.37 | 12.16 | 12.31 | 12.31 | 0.24% | 1,131,116 |
| Sep 5, 2025 | 12.23 | 12.29 | 12.04 | 12.28 | 12.28 | 1.32% | 524,747 |
| Sep 4, 2025 | 12.06 | 12.13 | 11.94 | 12.12 | 12.12 | 0.66% | 1,629,469 |
| Sep 3, 2025 | 12.06 | 12.12 | 12.01 | 12.04 | 12.04 | -0.50% | 351,903 |
| Sep 2, 2025 | 12.11 | 12.28 | 11.95 | 12.10 | 12.10 | -1.63% | 567,783 |
| Aug 29, 2025 | 12.52 | 12.52 | 12.22 | 12.30 | 12.30 | -2.46% | 2,151,968 |
| Aug 28, 2025 | 12.13 | 12.66 | 12.08 | 12.61 | 12.56 | 4.47% | 704,791 |
| Aug 27, 2025 | 12.20 | 12.27 | 12.02 | 12.07 | 12.02 | -1.55% | 490,733 |
| Aug 26, 2025 | 12.23 | 12.27 | 12.05 | 12.26 | 12.21 | 0.82% | 432,687 |
| Aug 25, 2025 | 12.07 | 12.20 | 11.97 | 12.16 | 12.11 | 0.25% | 979,148 |
| Aug 22, 2025 | 12.26 | 12.39 | 12.08 | 12.13 | 12.08 | -1.46% | 2,754,054 |
| Aug 21, 2025 | 12.28 | 12.54 | 12.28 | 12.31 | 12.26 | - | 647,098 |
| Aug 20, 2025 | 12.32 | 12.43 | 12.14 | 12.31 | 12.26 | -0.49% | 660,047 |
| Aug 19, 2025 | 12.54 | 12.54 | 12.33 | 12.37 | 12.32 | -1.12% | 650,866 |
| Aug 18, 2025 | 12.31 | 12.61 | 12.31 | 12.51 | 12.46 | 1.38% | 729,753 |
| Aug 15, 2025 | 12.57 | 12.62 | 12.33 | 12.34 | 12.29 | -1.28% | 750,542 |