Options Chain for TRANSALTA CORP COM (TAC) - $12.08 as of 4/24/2026 5:37:20 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 | 6.40 | 8.70 | 7.55 | % | 1.51 | 0 | 0 | 3.36 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 7.00 | 4.70 | 6.60 | 5.65 | % | 0.81 | 0 | 0 | 2.27 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 8.00 | 3.70 | 6.40 | 5.05 | % | 0.63 | 0 | 2 | 2.55 | 1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 9.00 | 2.70 | 4.60 | 3.65 | % | 0.41 | 0 | 6 | 1.58 | 1.00 | 0.02 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 10.00 | 2.00 | 3.10 | 2.55 | % | 0.26 | 0 | 0 | 0.95 | 0.91 | 0.09 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 11.00 | 1.35 | 2.20 | 1.78 | 2.10 | 0.00 | 0.00% | 0.16 | 0 | 173 | 0.77 | 0.77 | 0.14 | -0.01 | 4/17/2026 | 4/24/2026 4:00:06 PM EST |
| 12.00 | 1.00 | 1.40 | 1.20 | 1.00 | 0.00 | 0.00% | 0.10 | 0 | 241 | 0.53 | 0.60 | 0.17 | -0.01 | 4/22/2026 | 4/24/2026 4:00:06 PM EST |
| 13.00 | 0.65 | 0.80 | 0.73 | 0.70 | +0.05 | +7.70% | 0.06 | 13 | 603 | 0.51 | 0.43 | 0.17 | -0.01 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 14.00 | 0.10 | 0.65 | 0.38 | 0.38 | +0.03 | +8.58% | 0.03 | 12 | 298 | 0.47 | 0.28 | 0.15 | -0.01 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 15.00 | 0.00 | 0.70 | 0.35 | 0.33 | -0.27 | -45.00% | 0.02 | 5 | 186 | 0.80 | 0.17 | 0.11 | -0.01 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 16.00 | 0.00 | 0.75 | 0.38 | 0.20 | 0.00 | 0.00% | 0.02 | 0 | 1,279 | 0.95 | 0.10 | 0.08 | 0.00 | 4/17/2026 | 4/24/2026 4:00:06 PM EST |
| 17.00 | 0.00 | 0.75 | 0.38 | 0.20 | 0.00 | 0.00% | 0.02 | 0 | 494 | 1.06 | 0.05 | 0.05 | 0.00 | 4/14/2026 | 4/24/2026 4:00:06 PM EST |
| 18.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 47 | 1.16 | 0.03 | 0.03 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 19.00 | 0.00 | 0.75 | 0.38 | 0.20 | 0.00 | 0.00% | 0.02 | 0 | 1,359 | 1.24 | 0.01 | 0.02 | 0.00 | 3/26/2026 | 4/24/2026 4:00:06 PM EST |
| 20.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 635 | 1.32 | 0.01 | 0.01 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 21.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.40 | 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 | 9 | 1.47 | 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 | 6 | 1.53 | 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 | 1 | 1.59 | 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 | 4 | 1.65 | 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 | 61 | 1.89 | 0.00 | 0.00 | 0.00 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.00 | 0.00 | 0.75 | 0.38 | % | 0.08 | 0 | 0 | 2.62 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 7.00 | 0.00 | 0.75 | 0.38 | 0.20 | 0.00 | 0.00% | 0.05 | 0 | 1 | 1.82 | 0.00 | 0.00 | 0.00 | 4/22/2026 | 4/24/2026 4:00:06 PM EST |
| 8.00 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 1.51 | 0.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 9.00 | 0.00 | 0.75 | 0.38 | 0.37 | 0.00 | 0.00% | 0.04 | 0 | 1 | 1.24 | 0.00 | 0.02 | 0.00 | 4/22/2026 | 4/24/2026 4:00:06 PM EST |
| 10.00 | 0.00 | 0.75 | 0.38 | 0.20 | 0.00 | 0.00% | 0.04 | 0 | 24 | 0.98 | -0.09 | 0.09 | 0.00 | 4/22/2026 | 4/24/2026 4:00:06 PM EST |
| 11.00 | 0.25 | 0.40 | 0.33 | 0.45 | 0.00 | 0.00% | 0.03 | 3 | 76 | 0.46 | -0.23 | 0.14 | -0.01 | 4/24/2026 | 4/24/2026 4:00:06 PM EST |
| 12.00 | 0.40 | 0.95 | 0.68 | 0.90 | 0.00 | 0.00% | 0.06 | 0 | 153 | 0.45 | -0.40 | 0.17 | -0.01 | 4/22/2026 | 4/24/2026 4:00:06 PM EST |
| 13.00 | 1.05 | 1.70 | 1.38 | 1.19 | 0.00 | 0.00% | 0.11 | 0 | 22 | 0.53 | -0.57 | 0.17 | -0.01 | 4/20/2026 | 4/24/2026 4:00:06 PM EST |
| 14.00 | 1.80 | 2.55 | 2.18 | 2.14 | 0.00 | 0.00% | 0.16 | 0 | 73 | 0.57 | -0.72 | 0.15 | -0.01 | 4/22/2026 | 4/24/2026 4:00:06 PM EST |
| 15.00 | 2.50 | 3.60 | 3.05 | 2.85 | 0.00 | 0.00% | 0.20 | 0 | 2 | 0.98 | -0.83 | 0.11 | -0.01 | 4/23/2026 | 4/24/2026 4:00:06 PM EST |
| 16.00 | 3.40 | 4.50 | 3.95 | % | 0.25 | 0 | 0 | 1.05 | -0.90 | 0.08 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 17.00 | 4.20 | 5.50 | 4.85 | % | 0.29 | 0 | 0 | 1.16 | -0.95 | 0.05 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 18.00 | 5.20 | 6.60 | 5.90 | % | 0.33 | 0 | 0 | 1.32 | -0.97 | 0.03 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 19.00 | 6.10 | 7.60 | 6.85 | % | 0.36 | 0 | 0 | 1.42 | -0.99 | 0.02 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 20.00 | 7.10 | 8.60 | 7.85 | % | 0.39 | 0 | 0 | 1.50 | -0.99 | 0.01 | 0.00 | 4/24/2026 4:00:06 PM EST | |||
| 21.00 | 8.10 | 9.60 | 8.85 | % | 0.42 | 0 | 0 | 1.58 | -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 | 1.66 | -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 | 1 | 1.73 | -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 | 2.03 | -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 | 1 | 2.09 | -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 | 2.36 | -1.00 | 0.00 | 0.00 | 4/24/2026 4:00:06 PM EST |