Transalta (TAC) closed at $13.65 on November 9, 2026, up 4.9% from the previous close, on volume of 907,298 shares (30-day average 1,448,052).
Data as of November 9, 2026.
| # | Date | Strategy | Legs | Contracts |
|---|---|---|---|---|
| 1 | Oct 30, 2026 | 3 Leg Call Combo Calendar with Ratio | 18-Dec-26 15[3x]|19-Mar-27 15|19-Mar-27 20 C | 1,000 |
| 2-3 | The next 2 largest trades are for Premium members. Start a 7-day free trial | |||
Ranked by contracts: multi-leg trades of 200 or more contracts on one day, through Nov 9, 2026. See the 10 largest for 30, 60 and 90 days
TransAlta Reports Strong Third Quarter Results and Reaffirms Guidance
Globe Newswire (Tue, 3-Nov 6:12 AM ET)
Globe Newswire (Tue, 27-Oct 6:40 PM ET)
Globe Newswire (Thu, 22-Oct 9:16 AM ET)
TransAlta to Host Third Quarter 2026 Results Conference Call
Globe Newswire (Mon, 5-Oct 5:11 PM ET)
Department of Energy Mandates Centralia Unit 2 Remain Available for Operation for Additional 90 Days
Globe Newswire (Mon, 14-Sep 7:00 AM ET)
Market Chameleon (Thu, 4-Jun 4:15 AM ET)
TransAlta’s Upcoming Investor Day Promises Strategic Clarity and Growth Roadmap
Market Chameleon (Fri, 27-Feb 3:22 AM ET)
TransAlta Advances Data Centre Strategy Amid Solid Operational Performance in Q3 2025
Market Chameleon (Thu, 6-Nov 4:10 AM ET)
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 November 10, 2026, TAC stock price declined to $13.40 with 258,022 million shares trading.
TAC has a beta of 0.59, meaning it tends to be less sensitive to market movements. TAC has a correlation of 0.04 to the broad based SPY ETF.
TAC has a market cap of $4.23 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, PID, DFIS, CNRG, DFIC.
TAC has underperformed the market in the last year with a return of -12.3%, while SPY returned +12.4%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in TAC shares. However, TAC has outperformed the market in the last 3 month and 2 week periods, returning +8.2% and +9.2%, while SPY returned -3.2% and -2.4%, respectively. This indicates TAC has been having a stronger performance recently.
TAC support price is $13.30 and resistance is $14.01 (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.
