Options Chain for TRANSALTA CORP COM (TAC) - $12.13 as of 8/22/2025 8:45:04 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4.00 | 6.20 | 10.30 | 8.25 | % | 2.06 | 0 | 0 | 5.58 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
5.00 | 7.00 | 8.40 | 7.70 | % | 1.54 | 0 | 0 | 3.29 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
6.00 | 5.80 | 6.60 | 6.20 | % | 1.03 | 0 | 0 | 1.82 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
7.00 | 5.00 | 6.20 | 5.60 | % | 0.80 | 0 | 0 | 2.10 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
8.00 | 3.80 | 5.30 | 4.55 | % | 0.57 | 0 | 0 | 1.83 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
9.00 | 2.80 | 4.50 | 3.65 | % | 0.41 | 0 | 0 | 1.65 | 0.98 | 0.02 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
10.00 | 1.95 | 3.50 | 2.73 | % | 0.27 | 0 | 0 | 1.34 | 0.93 | 0.08 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
11.00 | 1.05 | 2.25 | 1.65 | % | 0.15 | 0 | 0 | 0.91 | 0.79 | 0.18 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
12.00 | 0.00 | 1.50 | 0.75 | % | 0.06 | 0 | 0 | 0.76 | 0.56 | 0.24 | -0.01 | 8/22/2025 3:59:53 PM EST | |||
13.00 | 0.25 | 0.55 | 0.40 | 0.55 | 0.00 | 0.00% | 0.03 | 0 | 4 | 0.38 | 0.34 | 0.22 | -0.01 | 8/14/2025 | 8/22/2025 3:59:53 PM EST |
14.00 | 0.00 | 0.30 | 0.15 | % | 0.01 | 0 | 0 | 0.47 | 0.17 | 0.15 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
15.00 | 0.00 | 0.45 | 0.23 | % | 0.02 | 0 | 0 | 0.69 | 0.07 | 0.08 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
16.00 | 0.00 | 0.40 | 0.20 | % | 0.01 | 0 | 0 | 0.77 | 0.03 | 0.04 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
17.00 | 0.00 | 1.55 | 0.78 | % | 0.05 | 0 | 0 | 1.56 | 0.01 | 0.01 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
18.00 | 0.00 | 1.60 | 0.80 | % | 0.04 | 0 | 0 | 1.69 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
19.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 0 | 1.78 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
20.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 0 | 1.48 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4.00 | 0.00 | 1.35 | 0.68 | % | 0.17 | 0 | 0 | 4.10 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
5.00 | 0.00 | 1.35 | 0.68 | % | 0.14 | 0 | 0 | 3.36 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
6.00 | 0.00 | 1.60 | 0.80 | % | 0.13 | 0 | 0 | 3.07 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
7.00 | 0.00 | 1.35 | 0.68 | % | 0.10 | 0 | 0 | 2.35 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
8.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 0 | 2.17 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
9.00 | 0.00 | 1.60 | 0.80 | % | 0.09 | 0 | 0 | 1.81 | -0.02 | 0.02 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
10.00 | 0.00 | 0.55 | 0.28 | % | 0.03 | 0 | 0 | 0.79 | -0.07 | 0.08 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
11.00 | 0.00 | 0.40 | 0.20 | % | 0.02 | 0 | 0 | 0.47 | -0.21 | 0.18 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
12.00 | 0.40 | 0.65 | 0.53 | % | 0.04 | 0 | 0 | 0.32 | -0.44 | 0.24 | -0.01 | 8/22/2025 3:59:53 PM EST | |||
13.00 | 0.80 | 1.60 | 1.20 | 1.11 | 0.00 | 0.00% | 0.09 | 0 | 25 | 0.57 | -0.66 | 0.22 | -0.01 | 8/20/2025 | 8/22/2025 3:59:53 PM EST |
14.00 | 1.75 | 2.25 | 2.00 | % | 0.14 | 0 | 0 | 0.53 | -0.83 | 0.15 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
15.00 | 2.65 | 3.20 | 2.93 | % | 0.20 | 0 | 0 | 0.62 | -0.93 | 0.08 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
16.00 | 3.60 | 4.10 | 3.85 | % | 0.24 | 0 | 0 | 0.65 | -0.97 | 0.04 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
17.00 | 4.80 | 5.10 | 4.95 | % | 0.29 | 0 | 0 | 0.74 | -0.99 | 0.01 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
18.00 | 5.60 | 6.20 | 5.90 | % | 0.33 | 0 | 0 | 0.92 | -1.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
19.00 | 6.60 | 7.00 | 6.80 | % | 0.36 | 0 | 0 | 0.79 | -1.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST | |||
20.00 | 7.60 | 8.00 | 7.80 | % | 0.39 | 0 | 0 | 0.86 | -1.00 | 0.00 | 0.00 | 8/22/2025 3:59:53 PM EST |