TransAlta Corporation (TAC)
NYSE: TAC · Real-Time Price · USD
13.74
+0.18 (1.33%)
At close: Jun 18, 2026, 4:00 PM EDT
13.90
+0.16 (1.16%)
After-hours: Jun 18, 2026, 7:09 PM EDT
TransAlta Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 18, 2026 | 13.77 | 13.85 | 13.51 | 13.74 | 13.74 | 1.33% | 1,659,027 |
| Jun 17, 2026 | 13.47 | 13.88 | 13.46 | 13.56 | 13.56 | 0.37% | 1,593,341 |
| Jun 16, 2026 | 13.55 | 13.68 | 13.45 | 13.51 | 13.51 | -0.44% | 1,025,130 |
| Jun 15, 2026 | 13.40 | 13.66 | 13.32 | 13.57 | 13.57 | 1.34% | 1,016,087 |
| Jun 12, 2026 | 13.36 | 13.65 | 13.27 | 13.39 | 13.39 | 0.15% | 1,371,381 |
| Jun 11, 2026 | 12.44 | 13.48 | 12.40 | 13.37 | 13.37 | 8.00% | 2,013,712 |
| Jun 10, 2026 | 12.78 | 12.78 | 12.17 | 12.38 | 12.38 | -0.64% | 1,359,989 |
| Jun 9, 2026 | 12.51 | 12.83 | 12.34 | 12.46 | 12.46 | -0.40% | 1,739,542 |
| Jun 8, 2026 | 12.69 | 12.82 | 12.41 | 12.51 | 12.51 | -1.34% | 1,166,483 |
| Jun 5, 2026 | 12.95 | 13.13 | 12.47 | 12.68 | 12.68 | -2.16% | 2,035,094 |
| Jun 4, 2026 | 13.61 | 13.62 | 12.70 | 12.96 | 12.96 | -10.37% | 4,177,945 |
| Jun 3, 2026 | 14.45 | 14.77 | 14.31 | 14.46 | 14.46 | 0.84% | 1,408,749 |
| Jun 2, 2026 | 14.22 | 14.61 | 14.17 | 14.34 | 14.34 | 1.27% | 1,360,458 |
| Jun 1, 2026 | 14.02 | 14.36 | 13.92 | 14.16 | 14.16 | -0.07% | 931,373 |
| May 29, 2026 | 14.01 | 14.25 | 13.83 | 14.22 | 14.17 | 1.35% | 992,601 |
| May 28, 2026 | 13.84 | 14.10 | 13.78 | 14.03 | 13.98 | 1.52% | 709,878 |
| May 27, 2026 | 14.08 | 14.08 | 13.76 | 13.82 | 13.77 | -2.12% | 741,235 |
| May 26, 2026 | 13.74 | 14.23 | 13.71 | 14.12 | 14.07 | 4.05% | 964,971 |
| May 22, 2026 | 13.56 | 13.82 | 13.42 | 13.57 | 13.52 | 0.52% | 4,604,931 |
| May 21, 2026 | 12.89 | 13.50 | 12.88 | 13.50 | 13.45 | 4.01% | 950,916 |
| May 20, 2026 | 12.96 | 13.06 | 12.81 | 12.98 | 12.93 | 0.93% | 1,110,649 |
| May 19, 2026 | 12.59 | 13.08 | 12.48 | 12.86 | 12.81 | 3.21% | 1,217,614 |
| May 18, 2026 | 12.76 | 12.85 | 12.34 | 12.46 | 12.42 | -2.50% | 545,055 |
| May 15, 2026 | 12.72 | 12.93 | 12.62 | 12.78 | 12.73 | -1.31% | 949,952 |
| May 14, 2026 | 12.74 | 13.07 | 12.60 | 12.95 | 12.90 | 1.73% | 617,479 |
| May 13, 2026 | 12.59 | 12.83 | 12.50 | 12.73 | 12.68 | 1.19% | 659,980 |
| May 12, 2026 | 12.62 | 12.69 | 12.29 | 12.58 | 12.54 | -1.72% | 1,089,794 |
| May 11, 2026 | 12.77 | 12.97 | 12.71 | 12.80 | 12.75 | 0.31% | 1,321,657 |
| May 8, 2026 | 12.78 | 12.88 | 12.52 | 12.76 | 12.71 | - | 1,448,354 |
| May 7, 2026 | 12.88 | 12.88 | 12.39 | 12.76 | 12.71 | -0.23% | 1,362,140 |
| May 6, 2026 | 12.71 | 13.19 | 12.40 | 12.79 | 12.74 | 1.51% | 2,791,111 |
| May 5, 2026 | 12.69 | 12.73 | 12.44 | 12.60 | 12.56 | -0.16% | 923,171 |
| May 4, 2026 | 12.48 | 12.62 | 12.36 | 12.62 | 12.57 | 1.12% | 1,299,743 |
| May 1, 2026 | 12.49 | 12.64 | 12.40 | 12.48 | 12.44 | - | 1,229,151 |
| Apr 30, 2026 | 12.09 | 12.56 | 12.08 | 12.48 | 12.44 | 3.91% | 1,968,974 |
| Apr 29, 2026 | 12.69 | 12.78 | 11.94 | 12.01 | 11.97 | -5.51% | 1,510,888 |
| Apr 28, 2026 | 12.49 | 12.86 | 12.45 | 12.71 | 12.66 | 0.95% | 1,482,376 |
| Apr 27, 2026 | 12.63 | 12.70 | 12.41 | 12.59 | 12.55 | 0.80% | 1,558,644 |
| Apr 24, 2026 | 12.12 | 12.55 | 11.99 | 12.49 | 12.45 | 3.39% | 1,231,000 |
| Apr 23, 2026 | 12.33 | 12.54 | 11.92 | 12.08 | 12.04 | -1.63% | 890,472 |
| Apr 22, 2026 | 12.31 | 12.38 | 12.02 | 12.28 | 12.24 | 0.99% | 806,280 |
| Apr 21, 2026 | 12.45 | 12.70 | 12.13 | 12.16 | 12.12 | -3.95% | 1,066,457 |
| Apr 20, 2026 | 12.65 | 12.78 | 12.54 | 12.66 | 12.61 | - | 1,207,087 |
| Apr 17, 2026 | 13.50 | 13.50 | 12.65 | 12.66 | 12.61 | -6.22% | 1,829,442 |
| Apr 16, 2026 | 13.66 | 13.68 | 13.36 | 13.50 | 13.45 | -1.32% | 607,463 |
| Apr 15, 2026 | 13.46 | 13.90 | 13.32 | 13.68 | 13.63 | 1.41% | 1,475,084 |
| Apr 14, 2026 | 13.56 | 13.79 | 13.43 | 13.49 | 13.44 | -1.39% | 758,380 |
| Apr 13, 2026 | 13.94 | 13.99 | 13.66 | 13.68 | 13.63 | -2.29% | 581,196 |
| Apr 10, 2026 | 13.88 | 14.12 | 13.87 | 14.00 | 13.95 | 1.23% | 555,453 |
| Apr 9, 2026 | 13.80 | 14.24 | 13.75 | 13.83 | 13.78 | - | 982,122 |