TransAlta Corporation (TAC)
NYSE: TAC · Real-Time Price · USD
12.93
-0.07 (-0.54%)
Sep 16, 2025, 4:00 PM EDT - Market closed
TransAlta Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 16, 2025 | 13.00 | 13.00 | 12.77 | 12.93 | 12.93 | -0.54% | 388,493 |
| 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 |
| Aug 14, 2025 | 12.18 | 12.63 | 12.12 | 12.50 | 12.45 | 2.04% | 1,772,263 |
| Aug 13, 2025 | 12.36 | 12.36 | 12.15 | 12.25 | 12.20 | -0.08% | 994,138 |
| Aug 12, 2025 | 12.00 | 12.30 | 12.00 | 12.26 | 12.21 | 2.17% | 839,083 |
| Aug 11, 2025 | 12.08 | 12.11 | 11.97 | 12.00 | 11.95 | -0.66% | 4,400,466 |
| Aug 8, 2025 | 12.04 | 12.19 | 11.94 | 12.08 | 12.03 | 0.50% | 1,034,233 |
| Aug 7, 2025 | 12.19 | 12.19 | 11.88 | 12.02 | 11.97 | -1.23% | 845,942 |
| Aug 6, 2025 | 12.00 | 12.25 | 11.94 | 12.17 | 12.12 | 0.83% | 1,071,860 |
| Aug 5, 2025 | 12.46 | 12.57 | 12.01 | 12.07 | 12.02 | -3.59% | 1,702,057 |
| Aug 4, 2025 | 12.37 | 12.57 | 12.25 | 12.52 | 12.47 | 1.21% | 683,753 |
| Aug 1, 2025 | 12.00 | 12.66 | 11.86 | 12.37 | 12.32 | 2.66% | 1,472,286 |
| Jul 31, 2025 | 12.25 | 12.33 | 11.95 | 12.05 | 12.00 | -1.79% | 1,627,798 |
| Jul 30, 2025 | 12.15 | 12.49 | 12.08 | 12.27 | 12.22 | 1.07% | 1,248,410 |
| Jul 29, 2025 | 12.20 | 12.33 | 12.02 | 12.14 | 12.09 | -0.49% | 1,226,312 |
| Jul 28, 2025 | 12.29 | 12.31 | 11.98 | 12.20 | 12.15 | -0.57% | 1,377,558 |
| Jul 25, 2025 | 12.29 | 12.31 | 12.15 | 12.27 | 12.22 | -0.41% | 1,012,722 |
| Jul 24, 2025 | 12.68 | 12.68 | 12.28 | 12.32 | 12.27 | -2.14% | 1,032,934 |
| Jul 23, 2025 | 12.44 | 12.70 | 12.35 | 12.59 | 12.54 | 2.44% | 885,384 |
| Jul 22, 2025 | 12.08 | 12.29 | 11.99 | 12.29 | 12.24 | 0.33% | 676,460 |
| Jul 21, 2025 | 12.40 | 12.40 | 12.02 | 12.25 | 12.20 | -0.89% | 1,424,909 |
| Jul 18, 2025 | 12.55 | 12.81 | 12.29 | 12.36 | 12.31 | 2.32% | 1,575,902 |
| Jul 17, 2025 | 11.95 | 12.16 | 11.80 | 12.08 | 12.03 | 1.09% | 1,036,424 |
| Jul 16, 2025 | 11.72 | 12.06 | 11.55 | 11.95 | 11.91 | 2.05% | 1,415,839 |
| Jul 15, 2025 | 11.69 | 11.84 | 11.56 | 11.71 | 11.67 | 0.77% | 1,100,086 |
| Jul 14, 2025 | 11.34 | 11.76 | 11.34 | 11.62 | 11.58 | 1.84% | 1,355,515 |
| Jul 11, 2025 | 11.14 | 11.63 | 11.05 | 11.41 | 11.37 | 1.88% | 1,151,275 |
| Jul 10, 2025 | 10.60 | 11.22 | 10.53 | 11.20 | 11.16 | 5.96% | 1,244,539 |
| Jul 9, 2025 | 10.51 | 10.62 | 10.38 | 10.57 | 10.53 | 1.44% | 758,791 |
| Jul 8, 2025 | 10.60 | 10.60 | 10.28 | 10.42 | 10.38 | -1.70% | 791,973 |