Options Chain for TRANSALTA CORP COM (TAC) - $15.60 as of 10/10/2025 3:38:17 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 | 10.50 | 13.30 | 11.90 | % | 2.98 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
5.00 | 9.90 | 12.30 | 11.10 | % | 2.22 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
6.00 | 9.00 | 11.50 | 10.25 | % | 1.71 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
7.00 | 7.90 | 10.50 | 9.20 | % | 1.31 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
8.00 | 7.50 | 8.00 | 7.75 | 7.80 | % | 0.97 | 2 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/10/2025 | 10/10/2025 12:59:05 PM EST | |
9.00 | 6.30 | 8.60 | 7.45 | % | 0.83 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
10.00 | 5.40 | 7.00 | 6.20 | % | 0.62 | 0 | 0 | 3.82 | 1.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
11.00 | 4.70 | 5.60 | 5.15 | % | 0.47 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
12.00 | 3.70 | 4.00 | 3.85 | 4.00 | +1.55 | +63.27% | 0.32 | 7 | 3 | 0.00 | 1.00 | 0.00 | 0.00 | 10/10/2025 | 10/10/2025 12:59:05 PM EST |
13.00 | 2.35 | 3.30 | 2.83 | 2.55 | 0.00 | 0.00% | 0.22 | 0 | 21 | 1.32 | 0.98 | 0.03 | -0.01 | 10/9/2025 | 10/10/2025 12:59:05 PM EST |
14.00 | 1.60 | 2.35 | 1.98 | 1.83 | 0.00 | 0.00% | 0.14 | 0 | 207 | 0.95 | 0.92 | 0.11 | -0.02 | 10/9/2025 | 10/10/2025 12:59:05 PM EST |
15.00 | 1.05 | 1.30 | 1.18 | 1.21 | +0.11 | +10.00% | 0.08 | 130 | 506 | 0.64 | 0.75 | 0.24 | -0.04 | 10/10/2025 | 10/10/2025 12:59:05 PM EST |
16.00 | 0.30 | 0.60 | 0.45 | 0.46 | -0.09 | -16.37% | 0.03 | 2,657 | 1,075 | 0.64 | 0.46 | 0.29 | -0.04 | 10/10/2025 | 10/10/2025 12:59:05 PM EST |
17.00 | 0.15 | 0.30 | 0.23 | 0.22 | +0.11 | +100.00% | 0.01 | 241 | 192 | 0.64 | 0.23 | 0.21 | -0.03 | 10/10/2025 | 10/10/2025 12:59:05 PM EST |
18.00 | 0.05 | 0.15 | 0.10 | 0.10 | 0.00 | 0.00% | 0.01 | 40 | 155 | 0.76 | 0.09 | 0.11 | -0.02 | 10/10/2025 | 10/10/2025 12:59:05 PM EST |
19.00 | 0.00 | 0.10 | 0.05 | 0.08 | -0.02 | -20.00% | 0.00 | 8 | 10 | 1.45 | 0.03 | 0.04 | -0.01 | 10/10/2025 | 10/10/2025 12:59:05 PM EST |
20.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 0 | 1.51 | 0.01 | 0.01 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
21.00 | 0.00 | 0.50 | 0.25 | % | 0.01 | 0 | 0 | 2.51 | 0.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 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 | 0.75 | 0.38 | % | 0.10 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
5.00 | 0.00 | 0.75 | 0.38 | % | 0.08 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
6.00 | 0.00 | 0.75 | 0.38 | % | 0.06 | 0 | 0 | 7.01 | 0.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
7.00 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 6.05 | 0.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
8.00 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 5.25 | 0.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
9.00 | 0.00 | 0.75 | 0.38 | % | 0.04 | 0 | 0 | 4.54 | 0.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
10.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 0 | 3.91 | 0.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
11.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 500 | 3.33 | 0.00 | 0.00 | 0.00 | 9/26/2025 | 10/10/2025 12:59:05 PM EST |
12.00 | 0.00 | 0.20 | 0.10 | 0.25 | 0.00 | 0.00% | 0.01 | 0 | 210 | 1.71 | 0.00 | 0.00 | 0.00 | 9/16/2025 | 10/10/2025 12:59:05 PM EST |
13.00 | 0.00 | 0.05 | 0.03 | 0.15 | 0.00 | 0.00% | 0.00 | 0 | 41 | 0.92 | -0.02 | 0.03 | -0.01 | 10/6/2025 | 10/10/2025 12:59:05 PM EST |
14.00 | 0.10 | 0.15 | 0.13 | 0.10 | -0.05 | -33.34% | 0.01 | 643 | 639 | 0.76 | -0.08 | 0.11 | -0.02 | 10/10/2025 | 10/10/2025 12:59:05 PM EST |
15.00 | 0.10 | 0.40 | 0.25 | 0.80 | 0.00 | 0.00% | 0.02 | 0 | 3 | 0.61 | -0.25 | 0.24 | -0.04 | 10/6/2025 | 10/10/2025 12:59:05 PM EST |
16.00 | 0.55 | 0.80 | 0.68 | 0.60 | -0.25 | -29.42% | 0.04 | 1 | 4 | 0.65 | -0.54 | 0.29 | -0.04 | 10/10/2025 | 10/10/2025 12:59:05 PM EST |
17.00 | 1.05 | 1.55 | 1.30 | % | 0.08 | 0 | 0 | 0.53 | -0.77 | 0.21 | -0.03 | 10/10/2025 12:59:05 PM EST | |||
18.00 | 2.05 | 2.30 | 2.18 | % | 0.12 | 0 | 0 | 0.97 | -0.91 | 0.11 | -0.02 | 10/10/2025 12:59:05 PM EST | |||
19.00 | 2.60 | 3.30 | 2.95 | 3.60 | 0.00 | 0.00% | 0.16 | 0 | 21 | 1.21 | -0.97 | 0.04 | -0.01 | 10/8/2025 | 10/10/2025 12:59:05 PM EST |
20.00 | 3.60 | 4.90 | 4.25 | % | 0.21 | 0 | 0 | 2.23 | -0.99 | 0.01 | 0.00 | 10/10/2025 12:59:05 PM EST | |||
21.00 | 3.50 | 5.50 | 4.50 | % | 0.21 | 0 | 0 | 2.47 | -1.00 | 0.00 | 0.00 | 10/10/2025 12:59:05 PM EST |