TAC Stock Summary and Trading Ideas (Transalta | NYSE:TAC)

TransAlta Corp is an independent power producer based in Alberta, Canada. The company operates a diverse electrical power generation assets in Canada, the United States, and Western Australia. The company has reportable segments namely, Hydro, Wind & Solar, Gas, Energy Transition segment and Corporate Segment. The company generates the majority of its revenue from the gas segment.

Transalta trades on the NYSE stock market under the symbol TAC.

As of July 23, 2026, TAC stock price climbed to $14.11 with 819,326 million shares trading.

TAC has a beta of 0.74, meaning it tends to be less sensitive to market movements. TAC has a correlation of 0.06 to the broad based SPY ETF.

TAC has a market cap of $4.46 billion. This is considered a Mid Cap stock.

In the last 3 years, TAC traded as high as $17.88 and as low as $5.94.

The top ETF exchange traded funds that TAC belongs to (by Net Assets): KOMP, DFIS, CNRG, PID, DFIC.

TAC has underperformed the market in the last year with a price return of +16.4% while the SPY ETF gained +18.6%. However, in the short term, TAC had mixed performance relative to the market. It has outperformed in the last 3 months, returning +15.3% vs +4.1% return in SPY. But in the last 2 weeks, TAC shares have been beat by the market, returning -2.6% compared to an SPY return of -1.0%.

TAC support price is $13.72 and resistance is $14.36 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that TAC shares will trade within this expected range on the day.