Options Chain for TRANSALTA CORP COM (TAC) - $12.08 as of 4/24/2026 7:17:41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | 10.40 | 12.80 | 11.60 | % | 11.60 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 2.00 | 9.40 | 11.80 | 10.60 | % | 5.30 | 0 | 37 | 0.00 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 3.00 | 8.40 | 10.80 | 9.60 | % | 3.20 | 0 | 0 | 8.42 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 4.00 | 7.50 | 9.80 | 8.65 | % | 2.16 | 0 | 1 | 6.65 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 5.00 | 6.50 | 8.80 | 7.65 | % | 1.53 | 0 | 0 | 5.47 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 6.00 | 5.50 | 7.80 | 6.65 | % | 1.11 | 0 | 0 | 4.57 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 7.00 | 4.60 | 6.60 | 5.60 | % | 0.80 | 0 | 0 | 3.54 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 8.00 | 3.60 | 6.30 | 4.95 | % | 0.62 | 0 | 0 | 3.89 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 9.00 | 2.70 | 4.10 | 3.40 | % | 0.38 | 0 | 1 | 1.83 | 0.98 | 0.02 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 10.00 | 1.90 | 3.30 | 2.60 | 2.65 | 0.00 | 0.00% | 0.26 | 0 | 219 | 1.67 | 0.93 | 0.06 | -0.01 | 3/24/2026 | 4/24/2026 4:00:06 PM EST |
| 11.00 | 1.35 | 2.00 | 1.68 | 1.60 | 0.00 | 0.00% | 0.15 | 0 | 16 | 0.98 | 0.81 | 0.14 | -0.01 | 4/23/2026 | 4/24/2026 4:00:06 PM EST |
| 12.00 | 0.85 | 1.20 | 1.03 | 0.92 | +0.27 | +41.54% | 0.09 | 3 | 39 | 0.66 | 0.63 | 0.20 | -0.02 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 13.00 | 0.30 | 0.70 | 0.50 | 0.45 | +0.09 | +25.00% | 0.04 | 5 | 889 | 0.60 | 0.41 | 0.22 | -0.02 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 14.00 | 0.10 | 0.30 | 0.20 | 0.16 | 0.00 | 0.00% | 0.01 | 0 | 910 | 0.56 | 0.24 | 0.17 | -0.01 | 4/23/2026 | 4/24/2026 4:00:06 PM EST |
| 15.00 | 0.05 | 0.15 | 0.10 | 0.13 | +0.04 | +44.45% | 0.01 | 5 | 1,215 | 0.60 | 0.12 | 0.11 | -0.01 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 16.00 | 0.00 | 0.25 | 0.13 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 1,568 | 0.98 | 0.05 | 0.06 | 0.00 | 4/20/2026 | 4/24/2026 4:00:06 PM EST |
| 17.00 | 0.00 | 0.45 | 0.23 | % | 0.01 | 0 | 91 | 1.37 | 0.02 | 0.03 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 18.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 119 | 1.84 | 0.01 | 0.01 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 19.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 133 | 1.98 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 20.00 | 0.00 | 0.10 | 0.05 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 1,083 | 1.21 | 0.00 | 0.00 | 0.00 | 4/23/2026 | 4/24/2026 4:00:06 PM EST |
| 21.00 | 0.00 | 0.20 | 0.10 | % | 0.00 | 0 | 41 | 1.52 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 22.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 10 | 2.35 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 23.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 12 | 2.45 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 24.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 3 | 2.55 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 25.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 63 | 2.64 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 26.00 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 2.73 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 27.00 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 20 | 2.81 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 28.00 | 0.00 | 0.75 | 0.38 | 0.10 | 0.00 | 0.00% | 0.01 | 0 | 6 | 2.89 | 0.00 | 0.00 | 0.00 | 4/21/2026 | 4/24/2026 4:00:06 PM EST |
| 29.00 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 2.96 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 30.00 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 52 | 3.04 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 35.00 | 0.00 | 0.75 | 0.38 | 0.10 | 0.00 | 0.00% | 0.01 | 0 | 3 | 3.35 | 0.00 | 0.00 | 0.00 | 4/21/2026 | 4/24/2026 4:00:06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | 0.00 | 0.75 | 0.38 | 0.20 | 0.00 | 0.00% | 0.38 | 0 | 1 | 0.00 | 0.00 | 0.00 | 0.00 | 4/21/2026 | 4/24/2026 4:00:06 PM EST |
| 2.00 | 0.00 | 0.75 | 0.38 | % | 0.19 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 3.00 | 0.00 | 0.75 | 0.38 | 0.04 | 0.00 | 0.00% | 0.13 | 0 | 2 | 6.42 | 0.00 | 0.00 | 0.00 | 4/21/2026 | 4/24/2026 4:00:06 PM EST |
| 4.00 | 0.00 | 0.75 | 0.38 | % | 0.10 | 0 | 0 | 5.16 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 5.00 | 0.00 | 0.75 | 0.38 | % | 0.08 | 0 | 0 | 4.26 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 6.00 | 0.00 | 0.75 | 0.38 | % | 0.06 | 0 | 0 | 3.55 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 7.00 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 2.97 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 8.00 | 0.00 | 0.75 | 0.38 | 0.37 | 0.00 | 0.00% | 0.05 | 0 | 1 | 2.46 | 0.00 | 0.00 | 0.00 | 4/21/2026 | 4/24/2026 4:00:06 PM EST |
| 9.00 | 0.00 | 0.75 | 0.38 | 0.10 | 0.00 | 0.00% | 0.04 | 0 | 3 | 2.02 | -0.02 | 0.02 | 0.00 | 4/20/2026 | 4/24/2026 4:00:06 PM EST |
| 10.00 | 0.00 | 0.35 | 0.18 | % | 0.02 | 0 | 3 | 1.13 | -0.07 | 0.06 | -0.01 | 4/24/2026 4:00:06 PM EST | |||
| 11.00 | 0.10 | 0.35 | 0.23 | 0.15 | -0.07 | -31.82% | 0.02 | 51 | 246 | 0.59 | -0.19 | 0.14 | -0.01 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 12.00 | 0.30 | 0.60 | 0.45 | 0.60 | 0.00 | 0.00% | 0.04 | 30 | 467 | 0.56 | -0.37 | 0.20 | -0.02 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 13.00 | 0.65 | 1.50 | 1.08 | 1.08 | 0.00 | 0.00% | 0.08 | 0 | 83 | 0.63 | -0.59 | 0.22 | -0.02 | 4/21/2026 | 4/24/2026 4:00:06 PM EST |
| 14.00 | 1.35 | 2.30 | 1.83 | 1.84 | 0.00 | 0.00% | 0.13 | 0 | 4 | 1.13 | -0.76 | 0.17 | -0.01 | 4/20/2026 | 4/24/2026 4:00:06 PM EST |
| 15.00 | 2.30 | 3.50 | 2.90 | 2.77 | 0.00 | 0.00% | 0.19 | 0 | 171 | 1.54 | -0.88 | 0.11 | -0.01 | 4/23/2026 | 4/24/2026 4:00:06 PM EST |
| 16.00 | 3.10 | 4.40 | 3.75 | 3.23 | 0.00 | 0.00% | 0.23 | 0 | 5 | 1.66 | -0.95 | 0.06 | 0.00 | 4/17/2026 | 4/24/2026 4:00:06 PM EST |
| 17.00 | 4.10 | 5.40 | 4.75 | 4.80 | % | 0.28 | 1 | 24 | 1.84 | -0.98 | 0.03 | 0.00 | 4/24/2026 | 4/24/2026 4:00:06 PM EST | |
| 18.00 | 5.10 | 6.60 | 5.85 | 5.80 | % | 0.32 | 1 | 17 | 2.19 | -0.99 | 0.01 | 0.00 | 4/24/2026 | 4/24/2026 4:00:06 PM EST | |
| 19.00 | 6.10 | 7.60 | 6.85 | % | 0.36 | 0 | 2 | 2.33 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 20.00 | 7.10 | 8.60 | 7.85 | % | 0.39 | 0 | 0 | 2.47 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 21.00 | 8.10 | 9.60 | 8.85 | % | 0.42 | 0 | 0 | 2.60 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 22.00 | 9.10 | 10.60 | 9.85 | % | 0.45 | 0 | 0 | 2.72 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 23.00 | 10.10 | 11.60 | 10.85 | % | 0.47 | 0 | 0 | 2.83 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 24.00 | 10.70 | 13.00 | 11.85 | % | 0.49 | 0 | 0 | 3.31 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 25.00 | 11.70 | 14.00 | 12.85 | % | 0.51 | 0 | 0 | 3.41 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 26.00 | 12.70 | 15.00 | 13.85 | % | 0.53 | 0 | 0 | 3.51 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 27.00 | 13.70 | 16.00 | 14.85 | % | 0.55 | 0 | 0 | 3.60 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 28.00 | 14.70 | 17.00 | 15.85 | % | 0.57 | 0 | 0 | 3.68 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 29.00 | 15.70 | 18.00 | 16.85 | % | 0.58 | 0 | 0 | 3.76 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 30.00 | 16.70 | 19.00 | 17.85 | % | 0.60 | 0 | 0 | 3.84 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 35.00 | 21.50 | 24.20 | 22.85 | % | 0.65 | 0 | 0 | 4.37 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST |