Options Chain for TRANSALTA CORP COM (TAC) - $12.73 as of 8/24/2026 6:47:52 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.00 | 5.30 | 8.80 | 7.05 | % | 1.41 | 0 | 0 | 4.14 | 1.00 | 0.00 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 6.00 | 4.70 | 7.80 | 6.25 | % | 1.04 | 0 | 0 | 3.44 | 1.00 | 0.00 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 7.00 | 3.70 | 6.80 | 5.25 | % | 0.75 | 0 | 0 | 2.90 | 1.00 | 0.00 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 8.00 | 3.60 | 5.00 | 4.30 | % | 0.54 | 0 | 0 | 1.77 | 1.00 | 0.01 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 9.00 | 1.85 | 4.50 | 3.18 | % | 0.35 | 0 | 0 | 1.82 | 0.93 | 0.08 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 10.00 | 1.10 | 3.80 | 2.45 | % | 0.25 | 0 | 0 | 1.69 | 0.82 | 0.11 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 11.00 | 0.95 | 3.40 | 2.18 | % | 0.20 | 0 | 0 | 1.72 | 0.68 | 0.13 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 12.00 | 0.50 | 1.45 | 0.98 | % | 0.08 | 0 | 0 | 0.56 | 0.53 | 0.15 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 13.00 | 0.10 | 1.05 | 0.58 | 1.03 | 0.00 | 0.00% | 0.04 | 0 | 1 | 0.53 | 0.38 | 0.15 | -0.01 | 8/20/2026 | 8/24/2026 3:59:58 PM EST |
| 14.00 | 0.00 | 0.95 | 0.48 | % | 0.03 | 0 | 0 | 0.93 | 0.26 | 0.12 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 15.00 | 0.00 | 2.05 | 1.03 | % | 0.07 | 0 | 0 | 1.69 | 0.17 | 0.10 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 16.00 | 0.00 | 1.95 | 0.98 | % | 0.06 | 0 | 0 | 1.77 | 0.11 | 0.07 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 17.00 | 0.00 | 1.00 | 0.50 | % | 0.03 | 0 | 0 | 1.33 | 0.06 | 0.05 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 18.00 | 0.00 | 0.95 | 0.48 | % | 0.03 | 0 | 0 | 1.40 | 0.03 | 0.03 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 19.00 | 0.00 | 0.95 | 0.48 | % | 0.03 | 0 | 0 | 1.49 | 0.02 | 0.02 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 20.00 | 0.00 | 0.95 | 0.48 | % | 0.02 | 0 | 0 | 1.57 | 0.01 | 0.01 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 21.00 | 0.00 | 1.00 | 0.50 | % | 0.02 | 0 | 0 | 1.68 | 0.01 | 0.01 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 25.00 | 0.00 | 1.85 | 0.93 | % | 0.04 | 0 | 0 | 2.47 | 0.00 | 0.00 | 0.00 | 8/24/2026 3:59:58 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.00 | 0.00 | 0.95 | 0.48 | % | 0.10 | 0 | 0 | 2.89 | 0.00 | 0.00 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 6.00 | 0.00 | 1.45 | 0.73 | % | 0.12 | 0 | 0 | 2.95 | 0.00 | 0.00 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 7.00 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 1.79 | 0.00 | 0.00 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 8.00 | 0.00 | 1.00 | 0.50 | % | 0.06 | 0 | 0 | 1.69 | 0.00 | 0.01 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 9.00 | 0.00 | 0.95 | 0.48 | % | 0.05 | 0 | 0 | 1.33 | -0.07 | 0.08 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 10.00 | 0.00 | 0.90 | 0.45 | % | 0.04 | 0 | 0 | 1.02 | -0.18 | 0.11 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 11.00 | 0.00 | 1.90 | 0.95 | % | 0.09 | 0 | 0 | 1.35 | -0.32 | 0.13 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 12.00 | 0.30 | 2.10 | 1.20 | % | 0.10 | 0 | 0 | 0.64 | -0.47 | 0.15 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 13.00 | 0.10 | 2.85 | 1.48 | % | 0.11 | 0 | 0 | 1.20 | -0.62 | 0.15 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 14.00 | 0.90 | 3.70 | 2.30 | % | 0.16 | 0 | 0 | 1.29 | -0.74 | 0.12 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 15.00 | 1.70 | 4.30 | 3.00 | % | 0.20 | 0 | 0 | 1.21 | -0.83 | 0.10 | -0.01 | 8/24/2026 3:59:58 PM EST | |||
| 16.00 | 2.65 | 5.30 | 3.98 | % | 0.25 | 0 | 0 | 1.34 | -0.89 | 0.07 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 17.00 | 4.40 | 5.60 | 5.00 | % | 0.29 | 0 | 0 | 1.00 | -0.94 | 0.05 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 18.00 | 5.20 | 6.70 | 5.95 | % | 0.33 | 0 | 0 | 1.17 | -0.97 | 0.03 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 19.00 | 6.20 | 7.70 | 6.95 | % | 0.37 | 0 | 0 | 1.26 | -0.98 | 0.02 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 20.00 | 7.20 | 8.70 | 7.95 | % | 0.40 | 0 | 0 | 1.34 | -0.99 | 0.01 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 21.00 | 7.70 | 10.80 | 9.25 | % | 0.44 | 0 | 0 | 2.12 | -0.99 | 0.01 | 0.00 | 8/24/2026 3:59:58 PM EST | |||
| 25.00 | 11.20 | 14.80 | 13.00 | % | 0.52 | 0 | 0 | 2.41 | -1.00 | 0.00 | 0.00 | 8/24/2026 3:59:58 PM EST |