TransAlta Corp (TAC)

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The chart shows the growth of an initial investment of $10,000 in TransAlta Corp, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

TransAlta Corp (TAC) has returned 4.02% so far this year and 42.29% over the past 12 months. Looking at the last ten years, TAC has achieved an annualized return of 13.34%, outperforming the S&P 500 Index benchmark, which averaged 12.16% per year.

Based on dividend-adjusted daily data since Jul 31, 2001, TAC's average daily return is +0.04%, while the average monthly return is +0.70%. At this rate, your investment would double in approximately 8.3 years.

Historically, 54% of months were positive and 46% were negative. The best month was Jan 2019 with a return of +33.0%, while the worst month was Mar 2020 at -30.0%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 9 months.

On a daily basis, TAC closed higher 49% of trading days. The best single day was Nov 25, 2016 with a return of +24.7%, while the worst single day was Jan 27, 2025 at -20.6%.

TransAlta Corp has an annualized alpha of 2.77%, beta of 0.71, and R² of 0.18 versus S&P 500 Index. Calculated based on daily prices since August 01, 2001.

• This stock participated in 89.91% of S&P 500 Index downside but only 75.38% of its upside — more exposed to losses than it benefited from rallies.
• R² of 0.18 means this stock moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

TAC ranks 68 for risk / return — better than 68% of stocks on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.

The table below present risk-adjusted performance metrics for TransAlta Corp (TAC) and compare them to a chosen benchmark (S&P 500 Index).

TransAlta Corp provided a 1.44% dividend yield over the last twelve months, with an annual payout of $0.19 per share.

The table displays the monthly dividend distributions for TransAlta Corp. The dividends shown in the table have been adjusted to account for any splits that may have occurred.

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the TransAlta Corp. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the TransAlta Corp was 88.12%, occurring on Jan 15, 2016. The portfolio has not yet recovered.

The current TransAlta Corp drawdown is 25.81%.

The chart below shows the rolling one-month volatility.

The chart below illustrates the trends in the financial health of TransAlta Corp over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.

The Valuation section provides an overview of how TransAlta Corp is priced in the market compared to other companies in the Utilities - Independent Power Producers industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.