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Closing prices for September 17, 2026
The series is stated in the current share scale after splits; dividends are not included in the price
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| September 17, 2026 | 12.10 | 12.31 | 12.07 | 12.29 | 713,809 |
| September 16, 2026 | 11.63 | 12.12 | 11.59 | 11.95 | 3m |
| September 15, 2026 | 11.82 | 11.96 | 11.47 | 11.50 | 2m |
| September 14, 2026 | 11.98 | 11.98 |
Based on reports through December 31, 2025
Share count is a period average, so market cap is approximate.
TransAlta Corporation (TAC) is a public company in the utilities sector. Its common stock trade on NYSE.
Over the trailing twelve months as reported to 2025-12-31, revenue was 2.4bn CA$, net income was -158.0m CA$.
This summary is compiled automatically from SEC filings and exchange data.
Address:TRANSALTA PLACE 1400, 1100 - 1ST STREET S.E., CALGARY, AB, T2G 1B1, CA
| 438m |
| EIXEdison International | 55.50 | +1.26 % | 356m |
| NRGNRG Energy, Inc. | 106.23 | −1.07 % | 298m |
| DDominion Energy, Inc. | 64.29 | +1.23 % | 273m |
| PPLPPL Corporation | 33.60 | +0.57 % | 269m |
| 11.72 |
| 11.79 |
| 3m |
| September 11, 2026 | 12.27 | 12.28 | 12.04 | 12.08 | 3m |
| September 10, 2026 | 12.24 | 12.31 | 12.06 | 12.18 | 2m |
| September 09, 2026 | 12.34 | 12.50 | 12.25 | 12.35 | 1m |
| September 08, 2026 | 12.05 | 12.52 | 11.98 | 12.41 | 4m |
| September 04, 2026 | 11.79 | 12.08 | 11.75 | 11.96 | 3m |
| September 03, 2026 | 11.91 | 11.97 | 11.72 | 11.81 | 1m |
| September 02, 2026 | 11.74 | 11.90 | 11.66 | 11.84 | 1m |
| September 01, 2026 | 12.09 | 12.12 | 11.69 | 11.77 | 6m |
| August 31, 2026 | 12.21 | 12.28 | 12.01 | 12.09 | 967,000 |
| August 28, 2026 | 12.54 | 12.56 | 12.10 | 12.19 | 871,400 |
| August 27, 2026 | 12.65 | 12.72 | 12.37 | 12.50 | 975,100 |
| August 26, 2026 | 12.18 | 12.75 | 12.18 | 12.64 | 1m |
| August 25, 2026 | 12.16 | 12.29 | 12.10 | 12.25 | 5m |
| August 24, 2026 | 12.16 | 12.16 | 11.87 | 12.10 | 1m |
| August 21, 2026 | 12.67 | 12.75 | 12.19 | 12.21 | 2m |
| August 20, 2026 | 12.29 | 12.84 | 12.29 | 12.59 | 1m |