TransAlta Corporation (TAC)
NYSE: TAC
· Real-Time Price · USD
12.38
-0.13 (-1.04%)
At close: Aug 19, 2025, 3:59 PM
12.43
0.41%
After-hours: Aug 19, 2025, 05:41 PM EDT
TAC Volatility Exposure
TransAlta has experienced an average implied
volatility of 0.49 and an average realized volatility of 0.47.
Volatility History
| Date | % Change | P/C | Total OI | % OI Change | Implied Volatility | Realized Vol. |
|---|---|---|---|---|---|---|
| Aug 19, 2025 | -1.36% | 0.97 | 30.89K | +0.17% | 0.54 | n/a |
| Aug 18, 2025 | +1.62% | 2 | 30.84K | -0.07% | 0.46 | n/a |
| Aug 15, 2025 | -1.83% | 2.06 | 30.86K | +0.10% | 0.48 | n/a |
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