TransAlta Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-22 | 19.600 | 19.890 | 19.220 | 19.760 | 19.678 | 2,294,480 |
| 2026-07-21 | 19.420 | 19.790 | 19.300 | 19.710 | 19.628 | 1,727,612 |
| 2026-07-20 | 18.670 | 19.330 | 18.630 | 19.320 | 19.239 | 1,701,671 |
| 2026-07-17 | 18.420 | 18.820 | 18.285 | 18.610 | 18.532 | 2,029,761 |
| 2026-07-16 | 19.140 | 19.140 | 18.470 | 18.590 | 18.512 | 2,694,117 |
| 2026-07-15 | 19.660 | 19.780 | 18.930 | 19.150 | 19.070 | 1,105,966 |
| 2026-07-14 | 19.870 | 19.940 | 19.510 | 19.590 | 19.508 | 1,395,984 |
| 2026-07-13 | 20.110 | 20.160 | 19.630 | 19.680 | 19.598 | 674,664 |
| 2026-07-10 | 20.510 | 20.510 | 20.125 | 20.150 | 20.066 | 1,076,771 |
| 2026-07-09 | 20.640 | 21.070 | 20.250 | 20.540 | 20.454 | 1,387,738 |
| 2026-07-08 | 19.860 | 20.600 | 19.780 | 20.490 | 20.405 | 2,050,636 |
| 2026-07-07 | 19.340 | 20.010 | 19.230 | 20.000 | 19.917 | 2,369,700 |
| 2026-07-06 | 19.530 | 19.850 | 19.250 | 19.280 | 19.200 | 1,436,254 |
| 2026-07-03 | 19.140 | 19.630 | 19.140 | 19.450 | 19.369 | 382,303 |
| 2026-07-02 | 19.310 | 19.620 | 18.870 | 19.110 | 19.030 | 2,373,417 |
| 2026-06-30 | 19.280 | 19.790 | 19.160 | 19.620 | 19.538 | 1,293,088 |
| 2026-06-29 | 19.570 | 19.760 | 19.150 | 19.360 | 19.279 | 2,056,664 |
| 2026-06-26 | 19.620 | 19.670 | 19.400 | 19.570 | 19.488 | 2,203,182 |
| 2026-06-25 | 19.680 | 19.870 | 19.290 | 19.590 | 19.508 | 2,532,444 |
| 2026-06-24 | 19.460 | 19.820 | 19.240 | 19.470 | 19.389 | 2,719,623 |
| 2026-06-23 | 19.370 | 19.510 | 19.210 | 19.510 | 19.429 | 1,916,914 |
| 2026-06-22 | 19.550 | 19.900 | 19.420 | 19.640 | 19.558 | 2,082,533 |
| 2026-06-19 | 19.400 | 19.620 | 19.400 | 19.520 | 19.439 | 739,023 |
| 2026-06-18 | 19.220 | 19.570 | 19.070 | 19.430 | 19.349 | 1,942,692 |
| 2026-06-17 | 18.890 | 19.500 | 18.880 | 19.160 | 19.080 | 2,542,535 |
| 2026-06-16 | 18.970 | 19.140 | 18.790 | 18.940 | 18.861 | 1,689,565 |
| 2026-06-15 | 18.860 | 19.100 | 18.620 | 19.020 | 18.941 | 2,657,739 |
| 2026-06-12 | 18.750 | 19.090 | 18.560 | 18.760 | 18.682 | 2,893,859 |
| 2026-06-11 | 17.350 | 18.860 | 17.350 | 18.690 | 18.612 | 4,675,801 |
| 2026-06-10 | 17.630 | 17.660 | 16.950 | 17.270 | 17.198 | 2,421,910 |
| 2026-06-09 | 17.520 | 17.870 | 17.230 | 17.400 | 17.327 | 3,759,067 |
| 2026-06-08 | 17.700 | 17.880 | 17.320 | 17.470 | 17.397 | 3,748,328 |
| 2026-06-05 | 17.850 | 18.260 | 17.400 | 17.690 | 17.616 | 3,554,683 |
| 2026-06-04 | 18.900 | 18.950 | 17.650 | 18.000 | 17.925 | 7,600,637 |
| 2026-06-03 | 20.120 | 20.510 | 19.910 | 20.080 | 19.996 | 1,974,943 |
| 2026-06-02 | 19.620 | 20.200 | 19.620 | 19.830 | 19.747 | 1,308,078 |
| 2026-06-01 | 19.350 | 19.870 | 19.250 | 19.630 | 19.548 | 993,942 |
| 2026-05-29 | 19.360 | 19.650 | 19.090 | 19.650 | 19.498 | 2,899,881 |
| 2026-05-28 | 19.150 | 19.460 | 19.100 | 19.360 | 19.211 | 1,711,008 |
| 2026-05-27 | 19.500 | 19.500 | 19.025 | 19.140 | 18.992 | 768,818 |
| 2026-05-26 | 18.950 | 19.650 | 18.950 | 19.510 | 19.359 | 1,064,811 |
| 2026-05-25 | 18.840 | 18.990 | 18.800 | 18.860 | 18.714 | 251,377 |
| 2026-05-22 | 18.670 | 19.080 | 18.535 | 18.740 | 18.595 | 1,080,141 |
| 2026-05-21 | 17.810 | 18.570 | 17.750 | 18.550 | 18.407 | 1,703,535 |
| 2026-05-20 | 17.810 | 17.980 | 17.610 | 17.850 | 17.712 | 999,387 |
| 2026-05-19 | 17.340 | 17.980 | 17.200 | 17.700 | 17.563 | 1,203,331 |
| 2026-05-15 | 17.600 | 17.790 | 17.350 | 17.630 | 17.494 | 980,393 |
| 2026-05-14 | 17.580 | 17.940 | 17.290 | 17.780 | 17.643 | 1,031,568 |
| 2026-05-13 | 17.190 | 17.610 | 17.130 | 17.460 | 17.325 | 1,135,478 |
| 2026-05-12 | 17.380 | 17.410 | 16.860 | 17.260 | 17.127 | 1,304,599 |
| 2026-05-11 | 17.490 | 17.700 | 17.380 | 17.480 | 17.345 | 1,674,336 |
| 2026-05-08 | 17.500 | 17.630 | 17.140 | 17.490 | 17.355 | 1,452,900 |
| 2026-05-07 | 17.540 | 17.550 | 16.880 | 17.450 | 17.315 | 2,116,793 |
| 2026-05-06 | 17.150 | 17.980 | 16.930 | 17.450 | 17.315 | 3,492,278 |
| 2026-05-05 | 17.160 | 17.310 | 16.940 | 17.200 | 17.067 | 2,764,952 |
| 2026-05-04 | 17.020 | 17.165 | 16.830 | 17.150 | 17.018 | 920,627 |
| 2026-05-01 | 16.900 | 17.170 | 16.810 | 16.940 | 16.809 | 931,120 |
| 2026-04-30 | 16.500 | 17.060 | 16.450 | 16.930 | 16.799 | 1,456,135 |
| 2026-04-29 | 17.400 | 17.400 | 16.340 | 16.450 | 16.323 | 2,022,886 |
| 2026-04-28 | 17.170 | 17.580 | 17.090 | 17.430 | 17.295 | 2,597,070 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-09-01 | 0.0700 CAD |
| 2026-06-01 | 0.0700 CAD |
| 2026-02-27 | 0.0650 CAD |
| 2025-12-01 | 0.0650 CAD |
| 2025-08-29 | 0.0650 CAD |
| 2025-05-30 | 0.0650 CAD |
| 2025-02-28 | 0.0600 CAD |
| 2024-11-29 | 0.0600 CAD |
| 2024-08-30 | 0.0600 CAD |
| 2024-05-31 | 0.0600 CAD |
| 2024-02-29 | 0.0600 CAD |
| 2023-11-30 | 0.0550 CAD |
| 2023-08-31 | 0.0550 CAD |
| 2023-05-31 | 0.0550 CAD |
| 2023-02-28 | 0.0550 CAD |
| 2022-11-30 | 0.0550 CAD |
| 2022-08-31 | 0.0500 CAD |
| 2022-05-31 | 0.0500 CAD |
| 2022-02-28 | 0.0500 CAD |
| 2021-11-30 | 0.0500 CAD |
| 2021-08-31 | 0.0450 CAD |
| 2021-05-31 | 0.0450 CAD |
| 2021-02-26 | 0.0450 CAD |
| 2020-11-30 | 0.0430 CAD |
| 2020-08-31 | 0.0430 CAD |
| 2020-05-29 | 0.0430 CAD |
| 2020-02-28 | 0.0425 CAD |
| 2019-11-29 | 0.0400 CAD |
| 2019-08-30 | 0.0400 CAD |
| 2019-05-31 | 0.0080 CAD |
| 2019-02-28 | 0.0080 CAD |
Open, high, low and close are as traded (CAD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.