TransAlta Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-19 | 18.330 | 18.450 | 18.070 | 18.370 | 18.370 | 1,970,311 |
| 2026-10-16 | 18.030 | 18.440 | 17.890 | 18.250 | 18.250 | 2,215,242 |
| 2026-10-15 | 17.950 | 18.050 | 17.500 | 18.000 | 18.000 | 1,802,000 |
| 2026-10-14 | 18.700 | 18.850 | 17.900 | 18.060 | 18.060 | 4,925,600 |
| 2026-10-13 | 18.530 | 18.880 | 18.350 | 18.780 | 18.780 | 2,015,100 |
| 2026-10-09 | 18.350 | 18.780 | 18.270 | 18.780 | 18.780 | 1,480,300 |
| 2026-10-08 | 18.190 | 18.510 | 18.100 | 18.340 | 18.340 | 1,952,612 |
| 2026-10-07 | 18.430 | 18.795 | 18.305 | 18.360 | 18.360 | 1,364,717 |
| 2026-10-06 | 17.880 | 18.805 | 17.860 | 18.630 | 18.630 | 2,700,778 |
| 2026-10-05 | 17.580 | 17.860 | 17.350 | 17.780 | 17.780 | 2,434,816 |
| 2026-10-02 | 17.420 | 17.710 | 17.370 | 17.590 | 17.590 | 1,074,353 |
| 2026-10-01 | 17.300 | 17.620 | 17.210 | 17.350 | 17.350 | 2,494,350 |
| 2026-09-30 | 16.810 | 17.275 | 16.680 | 17.220 | 17.220 | 1,298,261 |
| 2026-09-29 | 16.750 | 16.830 | 16.460 | 16.760 | 16.760 | 960,030 |
| 2026-09-28 | 16.250 | 16.990 | 16.190 | 16.800 | 16.800 | 2,144,467 |
| 2026-09-25 | 16.610 | 16.830 | 16.220 | 16.300 | 16.300 | 1,532,514 |
| 2026-09-24 | 16.730 | 16.770 | 16.510 | 16.640 | 16.640 | 872,125 |
| 2026-09-23 | 16.810 | 16.970 | 16.650 | 16.880 | 16.880 | 2,242,087 |
| 2026-09-22 | 17.280 | 17.380 | 16.730 | 16.810 | 16.810 | 1,171,476 |
| 2026-09-21 | 17.200 | 17.395 | 17.120 | 17.290 | 17.290 | 1,694,864 |
| 2026-09-18 | 17.190 | 17.280 | 16.980 | 17.120 | 17.120 | 2,233,885 |
| 2026-09-17 | 16.900 | 17.240 | 16.820 | 17.180 | 17.180 | 1,314,343 |
| 2026-09-16 | 16.220 | 16.910 | 16.060 | 16.730 | 16.730 | 1,979,292 |
| 2026-09-15 | 16.470 | 16.670 | 15.960 | 16.020 | 16.020 | 1,789,257 |
| 2026-09-14 | 16.660 | 16.660 | 16.285 | 16.390 | 16.390 | 2,233,577 |
| 2026-09-11 | 16.970 | 17.040 | 16.690 | 16.730 | 16.730 | 2,684,528 |
| 2026-09-10 | 16.960 | 17.025 | 16.680 | 16.880 | 16.880 | 1,744,699 |
| 2026-09-09 | 17.030 | 17.270 | 16.930 | 17.060 | 17.060 | 1,282,849 |
| 2026-09-08 | 16.500 | 17.265 | 16.500 | 17.110 | 17.110 | 2,715,740 |
| 2026-09-04 | 16.300 | 16.710 | 16.220 | 16.550 | 16.550 | 960,062 |
| 2026-09-03 | 16.470 | 16.520 | 16.145 | 16.260 | 16.260 | 2,194,728 |
| 2026-09-02 | 16.360 | 16.480 | 16.170 | 16.410 | 16.410 | 1,847,865 |
| 2026-09-01 | 16.700 | 16.835 | 16.250 | 16.400 | 16.400 | 1,326,450 |
| 2026-08-31 | 16.960 | 16.960 | 16.630 | 16.770 | 16.700 | 3,332,976 |
| 2026-08-28 | 17.360 | 17.400 | 16.830 | 16.950 | 16.879 | 2,398,852 |
| 2026-08-27 | 17.510 | 17.680 | 17.150 | 17.300 | 17.228 | 2,772,415 |
| 2026-08-26 | 16.900 | 17.695 | 16.900 | 17.550 | 17.477 | 1,966,060 |
| 2026-08-25 | 16.840 | 17.030 | 16.810 | 16.930 | 16.859 | 3,449,366 |
| 2026-08-24 | 16.760 | 16.840 | 16.410 | 16.780 | 16.710 | 2,563,358 |
| 2026-08-21 | 17.460 | 17.540 | 16.785 | 16.810 | 16.740 | 2,043,541 |
| 2026-08-20 | 17.000 | 17.690 | 17.000 | 17.390 | 17.317 | 2,704,629 |
| 2026-08-19 | 17.370 | 17.410 | 16.975 | 17.100 | 17.029 | 1,780,175 |
| 2026-08-18 | 17.510 | 17.600 | 17.280 | 17.360 | 17.288 | 1,403,528 |
| 2026-08-17 | 17.730 | 17.810 | 17.530 | 17.630 | 17.556 | 3,434,247 |
| 2026-08-14 | 17.550 | 17.875 | 17.480 | 17.770 | 17.696 | 1,165,387 |
| 2026-08-13 | 17.290 | 17.590 | 17.230 | 17.540 | 17.467 | 2,596,779 |
| 2026-08-12 | 17.200 | 17.640 | 17.145 | 17.270 | 17.198 | 3,370,099 |
| 2026-08-11 | 17.130 | 17.470 | 17.100 | 17.380 | 17.308 | 2,068,291 |
| 2026-08-10 | 17.250 | 17.390 | 17.030 | 17.100 | 17.029 | 2,137,113 |
| 2026-08-07 | 17.540 | 17.700 | 17.300 | 17.320 | 17.248 | 1,918,648 |
| 2026-08-06 | 17.690 | 17.850 | 17.390 | 17.480 | 17.407 | 2,001,257 |
| 2026-08-05 | 17.980 | 18.140 | 17.740 | 17.740 | 17.666 | 1,445,218 |
| 2026-08-04 | 17.560 | 18.080 | 17.320 | 17.990 | 17.915 | 2,248,365 |
| 2026-07-31 | 18.000 | 18.240 | 17.500 | 17.560 | 17.487 | 1,736,646 |
| 2026-07-30 | 17.690 | 18.100 | 17.620 | 18.040 | 17.965 | 1,453,985 |
| 2026-07-29 | 18.000 | 18.070 | 17.385 | 17.520 | 17.447 | 2,455,975 |
| 2026-07-28 | 18.800 | 18.810 | 17.865 | 17.990 | 17.915 | 1,986,264 |
| 2026-07-27 | 19.170 | 19.270 | 18.760 | 18.940 | 18.861 | 1,933,960 |
| 2026-07-24 | 19.840 | 19.880 | 19.290 | 19.300 | 19.219 | 738,877 |
| 2026-07-23 | 19.740 | 19.960 | 19.580 | 19.880 | 19.797 | 616,412 |
Page 1 of 21 · 1,258 trading daysOlder →
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.