TransAlta Corp (TAC) stock
Close on Nov 11, 2026Market cap $3.97BP/E –Yield –
TransAlta Corp saw revenue fall 15.5% to C$2.41B over fiscal 2025. Operating income fell 76.1% to C$140.00M, moving the operating margin from 20.6% to 5.8%. Free cash flow was C$397.00M, down 18.1% from a year earlier. At the latest close the market valued the company at C$5.60B.
Key statistics
Valuation at the latest close; fundamentals over fiscal 2025, balances at Dec 31, 2025
Valuation
- Market cap
- C$5.60B
- P/E ratio
- –
- Price to sales
- 2.33
- Price to book
- 4.01
- Dividend yield
- –
- Free cash flow yield
- 7.08%
Fundamentals
- Revenue
- C$2.41B
- Net income
- -C$138.00M
- EPS, diluted
- -0.64 CAD
- Free cash flow
- C$397.00M
Trading
- Previous close
- $13.36
- Open
- $13.55
- Day's range
- $13.36 – $13.64
- Volume
- 1,279,578
- Average volume (20 days)
- 1,540,044
- Beta (5 years)
- 0.71
- RSI (14 days)
- 56.7
- Volatility (1 year)
- 38.8%
- Relative volume
- 0.77×
- WACC
- 8.1%
Market cap history
Month-end market cap since 2016, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | TAC | S&P 500 | Difference | TAC per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +2.0% | -2.4% | +4.4 pts | ||
| 3 months | +7.7% | -1.2% | +8.9 pts | ||
| Year to date | +7.2% | +12.3% | −5.1 pts | ||
| 1 year | -12.8% | +12.4% | −25.2 pts | ||
| 3 years | +70.5% | +78.8% | −8.3 pts | +19.5% | +21.4% |
| 5 years | +33.6% | +75.2% | −41.6 pts | +6.0% | +11.9% |
| 10 years | +305.5% | +311.1% | −5.6 pts | +15.0% | +15.2% |
Twelve years at a glance
Fiscal years 2014 to 2025, CAD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases TransAlta filed with the SEC as exhibits to Form 8-K or 6-K
- 6-K
- 6-K
- 6-K
- 6-K
- 6-K
- 6-K
About TransAlta
Electric Services
TransAlta Corporation is an electricity generation and energy marketing company. It operates power generation facilities, maintains contracted electricity generation fleets, and engages in energy trading and commodity risk management activities. The company's operations include an Energy Transition segment, which conducts reclamation activities, alongside projects such as coal-to-gas plant conversions and power generation optimization across its portfolio of operational assets.
Company profile, executives and historyTransAlta stock: common questions
What is TransAlta's stock price?
TAC closed at $13.39 on Nov 11, 2026, up 0.22% on the day.
What is TransAlta's market cap?
TransAlta was worth $3.97B at the close on Nov 11, 2026: the share price times the diluted shares outstanding.
What is TAC's P/E ratio?
TransAlta lost money over fiscal 2025 (diluted EPS -0.64 CAD), so it has no meaningful P/E ratio.
How much revenue does TransAlta make?
TransAlta reported revenue of C$2.41B for fiscal 2025, down 15.5% from a year earlier.
Does TransAlta pay a dividend?
No. TransAlta has not paid a cash dividend over the last twelve months.
How has TAC stock performed over the past year?
Including dividends, TAC returned -12.8% over the past year, against +12.4% for the S&P 500.
Who are TransAlta's competitors?
Companies most similar to TransAlta by business, industry and size include AQN, BKH, BEPC, TLN, PAM.
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