Options Chain for KAISER ALUMINIUM CORPORATION COM PAR $0.01 (KALU) - $128.00 as of 2/20/2026 6:33:03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 45.00 | 81.80 | 86.50 | 84.15 | % | 1.87 | 0 | 0 | 2.86 | 1.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 50.00 | 77.00 | 81.50 | 79.25 | % | 1.58 | 0 | 0 | 2.60 | 1.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 55.00 | 72.00 | 76.50 | 74.25 | % | 1.35 | 0 | 0 | 2.36 | 1.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 60.00 | 67.00 | 71.50 | 69.25 | 81.50 | 0.00 | 0.00% | 1.15 | 0 | 0 | 2.15 | 1.00 | 0.00 | 0.00 | 2/12/2026 | 2/20/2026 4:00:04 PM EST |
| 65.00 | 62.00 | 66.50 | 64.25 | 27.14 | 0.00 | 0.00% | 0.99 | 0 | 0 | 1.96 | 1.00 | 0.00 | 0.00 | 7/23/2025 | 2/20/2026 4:00:04 PM EST |
| 70.00 | 57.00 | 61.50 | 59.25 | 66.24 | 0.00 | 0.00% | 0.85 | 0 | 10 | 1.78 | 1.00 | 0.00 | 0.00 | 2/13/2026 | 2/20/2026 4:00:04 PM EST |
| 75.00 | 52.00 | 56.50 | 54.25 | 31.54 | 0.00 | 0.00% | 0.72 | 0 | 0 | 1.61 | 1.00 | 0.00 | 0.00 | 12/10/2025 | 2/20/2026 4:00:04 PM EST |
| 80.00 | 47.00 | 51.40 | 49.20 | 11.50 | 0.00 | 0.00% | 0.61 | 0 | 1 | 1.45 | 1.00 | 0.00 | 0.00 | 10/23/2025 | 2/20/2026 4:00:04 PM EST |
| 85.00 | 42.00 | 46.50 | 44.25 | 35.00 | 0.00 | 0.00% | 0.52 | 0 | 25 | 1.30 | 1.00 | 0.00 | 0.00 | 1/2/2026 | 2/20/2026 4:00:04 PM EST |
| 90.00 | 37.70 | 40.00 | 38.85 | 52.70 | 0.00 | 0.00% | 0.43 | 0 | 19 | 1.08 | 0.99 | 0.00 | -0.01 | 2/9/2026 | 2/20/2026 4:00:04 PM EST |
| 95.00 | 33.60 | 35.40 | 34.50 | 29.60 | +2.79 | +10.41% | 0.36 | 1 | 10 | 0.85 | 0.98 | 0.00 | -0.02 | 2/20/2026 | 2/20/2026 4:00:04 PM EST |
| 100.00 | 27.00 | 30.50 | 28.75 | 46.25 | 0.00 | 0.00% | 0.29 | 0 | 4 | 0.90 | 0.97 | 0.00 | -0.03 | 2/18/2026 | 2/20/2026 4:00:04 PM EST |
| 105.00 | 22.00 | 25.90 | 23.95 | 36.50 | 0.00 | 0.00% | 0.23 | 0 | 22 | 0.82 | 0.96 | 0.01 | -0.03 | 2/10/2026 | 2/20/2026 4:00:04 PM EST |
| 110.00 | 17.50 | 21.20 | 19.35 | 9.00 | 0.00 | 0.00% | 0.18 | 0 | 4 | 0.72 | 0.92 | 0.01 | -0.05 | 12/18/2025 | 2/20/2026 4:00:04 PM EST |
| 115.00 | 13.00 | 16.70 | 14.85 | 21.86 | 0.00 | 0.00% | 0.13 | 0 | 4 | 0.64 | 0.85 | 0.02 | -0.07 | 1/22/2026 | 2/20/2026 4:00:04 PM EST |
| 120.00 | 10.60 | 12.90 | 11.75 | 6.50 | -3.50 | -35.00% | 0.10 | 1 | 37 | 0.41 | 0.77 | 0.02 | -0.09 | 2/20/2026 | 2/20/2026 4:00:04 PM EST |
| 125.00 | 5.00 | 9.20 | 7.10 | 7.50 | -1.50 | -16.67% | 0.06 | 4 | 11 | 0.32 | 0.65 | 0.03 | -0.10 | 2/20/2026 | 2/20/2026 4:00:04 PM EST |
| 130.00 | 2.60 | 6.40 | 4.50 | 5.25 | 0.00 | 0.00% | 0.03 | 0 | 2 | 0.33 | 0.51 | 0.03 | -0.10 | 2/19/2026 | 2/20/2026 4:00:04 PM EST |
| 135.00 | 1.10 | 4.90 | 3.00 | 10.20 | 0.00 | 0.00% | 0.02 | 0 | 4 | 0.36 | 0.38 | 0.03 | -0.10 | 2/13/2026 | 2/20/2026 4:00:04 PM EST |
| 140.00 | 0.10 | 4.90 | 2.50 | 1.79 | 0.00 | 0.00% | 0.02 | 0 | 4 | 0.39 | 0.27 | 0.02 | -0.09 | 2/19/2026 | 2/20/2026 4:00:04 PM EST |
| 145.00 | 0.00 | 4.80 | 2.40 | 8.00 | 0.00 | 0.00% | 0.02 | 0 | 18 | 0.75 | 0.17 | 0.02 | -0.06 | 2/18/2026 | 2/20/2026 4:00:04 PM EST |
| 150.00 | 0.00 | 4.80 | 2.40 | 2.95 | 0.00 | 0.00% | 0.02 | 0 | 7 | 0.84 | 0.11 | 0.01 | -0.05 | 2/18/2026 | 2/20/2026 4:00:04 PM EST |
| 155.00 | 0.00 | 4.80 | 2.40 | 4.51 | 0.00 | 0.00% | 0.02 | 0 | 1 | 0.93 | 0.07 | 0.01 | -0.03 | 2/9/2026 | 2/20/2026 4:00:04 PM EST |
| 160.00 | 0.00 | 4.80 | 2.40 | 2.55 | 0.00 | 0.00% | 0.01 | 0 | 7 | 1.01 | 0.04 | 0.00 | -0.02 | 2/17/2026 | 2/20/2026 4:00:04 PM EST |
| 165.00 | 0.00 | 2.00 | 1.00 | 0.30 | 0.00 | 0.00% | 0.01 | 0 | 9 | 0.80 | 0.03 | 0.00 | -0.02 | 2/19/2026 | 2/20/2026 4:00:04 PM EST |
| 170.00 | 0.00 | 4.80 | 2.40 | 1.35 | 0.00 | 0.00% | 0.01 | 0 | 2 | 1.15 | 0.01 | 0.00 | -0.01 | 2/18/2026 | 2/20/2026 4:00:04 PM EST |
| 175.00 | 0.00 | 4.80 | 2.40 | 0.95 | 0.00 | 0.00% | 0.01 | 0 | 1 | 1.22 | 0.01 | 0.00 | 0.00 | 2/18/2026 | 2/20/2026 4:00:04 PM EST |
| 180.00 | 0.00 | 4.80 | 2.40 | 0.65 | 0.00 | 0.00% | 0.01 | 0 | 1 | 1.28 | 0.00 | 0.00 | 0.00 | 2/18/2026 | 2/20/2026 4:00:04 PM EST |
| 185.00 | 0.00 | 4.80 | 2.40 | % | 0.01 | 0 | 0 | 1.34 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 190.00 | 0.00 | 4.80 | 2.40 | % | 0.01 | 0 | 0 | 1.40 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 45.00 | 0.00 | 4.80 | 2.40 | 0.65 | 0.00 | 0.00% | 0.05 | 0 | 1 | 3.49 | 0.00 | 0.00 | 0.00 | 7/18/2025 | 2/20/2026 4:00:04 PM EST |
| 50.00 | 0.00 | 4.80 | 2.40 | 0.60 | 0.00 | 0.00% | 0.05 | 0 | 2 | 3.18 | 0.00 | 0.00 | 0.00 | 9/2/2025 | 2/20/2026 4:00:04 PM EST |
| 55.00 | 0.00 | 2.00 | 1.00 | 1.30 | 0.00 | 0.00% | 0.02 | 0 | 16 | 2.24 | 0.00 | 0.00 | 0.00 | 9/29/2025 | 2/20/2026 4:00:04 PM EST |
| 60.00 | 0.00 | 4.80 | 2.40 | 1.65 | 0.00 | 0.00% | 0.04 | 0 | 4 | 2.65 | 0.00 | 0.00 | 0.00 | 10/10/2025 | 2/20/2026 4:00:04 PM EST |
| 65.00 | 0.00 | 4.80 | 2.40 | % | 0.04 | 0 | 0 | 2.43 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 70.00 | 0.00 | 4.80 | 2.40 | 3.90 | 0.00 | 0.00% | 0.03 | 0 | 12 | 2.22 | 0.00 | 0.00 | 0.00 | 10/17/2025 | 2/20/2026 4:00:04 PM EST |
| 75.00 | 0.00 | 4.80 | 2.40 | % | 0.03 | 0 | 0 | 2.02 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 80.00 | 0.00 | 4.80 | 2.40 | % | 0.03 | 0 | 0 | 1.84 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 85.00 | 0.00 | 4.80 | 2.40 | % | 0.03 | 0 | 0 | 1.66 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 90.00 | 0.00 | 0.60 | 0.30 | % | 0.00 | 0 | 0 | 0.83 | -0.01 | 0.00 | -0.01 | 2/20/2026 4:00:04 PM EST | |||
| 95.00 | 0.00 | 0.75 | 0.38 | % | 0.00 | 0 | 0 | 0.77 | -0.02 | 0.00 | -0.02 | 2/20/2026 4:00:04 PM EST | |||
| 100.00 | 0.05 | 1.75 | 0.90 | % | 0.01 | 0 | 0 | 0.54 | -0.03 | 0.00 | -0.03 | 2/20/2026 4:00:04 PM EST | |||
| 105.00 | 0.00 | 4.80 | 2.40 | 0.65 | 0.00 | 0.00% | 0.02 | 0 | 1 | 1.04 | -0.04 | 0.01 | -0.03 | 2/17/2026 | 2/20/2026 4:00:04 PM EST |
| 110.00 | 0.00 | 1.70 | 0.85 | 2.35 | 0.00 | 0.00% | 0.01 | 0 | 3 | 0.58 | -0.08 | 0.01 | -0.05 | 2/2/2026 | 2/20/2026 4:00:04 PM EST |
| 115.00 | 0.05 | 5.00 | 2.53 | 2.40 | +0.40 | +20.00% | 0.02 | 3 | 5 | 0.50 | -0.15 | 0.02 | -0.07 | 2/20/2026 | 2/20/2026 4:00:04 PM EST |
| 120.00 | 0.00 | 3.60 | 1.80 | 2.60 | +0.60 | +30.00% | 0.02 | 33 | 9 | 0.54 | -0.23 | 0.02 | -0.09 | 2/20/2026 | 2/20/2026 4:00:04 PM EST |
| 125.00 | 1.35 | 5.50 | 3.43 | 5.90 | 0.00 | 0.00% | 0.03 | 0 | 7 | 0.38 | -0.35 | 0.03 | -0.10 | 2/19/2026 | 2/20/2026 4:00:04 PM EST |
| 130.00 | 3.50 | 8.00 | 5.75 | 3.95 | 0.00 | 0.00% | 0.04 | 0 | 1 | 0.38 | -0.49 | 0.03 | -0.10 | 2/6/2026 | 2/20/2026 4:00:04 PM EST |
| 135.00 | 7.70 | 11.00 | 9.35 | 12.00 | +1.85 | +18.23% | 0.07 | 1 | 10 | 0.42 | -0.62 | 0.03 | -0.10 | 2/20/2026 | 2/20/2026 4:00:04 PM EST |
| 140.00 | 10.50 | 14.50 | 12.50 | 13.00 | 0.00 | 0.00% | 0.09 | 0 | 6 | 0.52 | -0.73 | 0.02 | -0.09 | 2/19/2026 | 2/20/2026 4:00:04 PM EST |
| 145.00 | 15.00 | 19.00 | 17.00 | % | 0.12 | 0 | 0 | 0.60 | -0.83 | 0.02 | -0.06 | 2/20/2026 4:00:04 PM EST | |||
| 150.00 | 19.80 | 23.50 | 21.65 | % | 0.14 | 0 | 0 | 0.66 | -0.89 | 0.01 | -0.05 | 2/20/2026 4:00:04 PM EST | |||
| 155.00 | 24.60 | 28.50 | 26.55 | % | 0.17 | 0 | 0 | 0.72 | -0.93 | 0.01 | -0.03 | 2/20/2026 4:00:04 PM EST | |||
| 160.00 | 29.00 | 33.50 | 31.25 | % | 0.20 | 0 | 0 | 0.80 | -0.96 | 0.00 | -0.02 | 2/20/2026 4:00:04 PM EST | |||
| 165.00 | 34.50 | 38.50 | 36.50 | % | 0.22 | 0 | 0 | 0.87 | -0.97 | 0.00 | -0.02 | 2/20/2026 4:00:04 PM EST | |||
| 170.00 | 39.30 | 43.50 | 41.40 | % | 0.24 | 0 | 0 | 0.95 | -0.99 | 0.00 | -0.01 | 2/20/2026 4:00:04 PM EST | |||
| 175.00 | 44.40 | 48.50 | 46.45 | % | 0.27 | 0 | 0 | 1.00 | -0.99 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 180.00 | 49.50 | 53.50 | 51.50 | % | 0.29 | 0 | 0 | 1.07 | -1.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 185.00 | 54.50 | 58.50 | 56.50 | % | 0.31 | 0 | 0 | 1.12 | -1.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST | |||
| 190.00 | 59.60 | 63.50 | 61.55 | % | 0.32 | 0 | 0 | 1.18 | -1.00 | 0.00 | 0.00 | 2/20/2026 4:00:04 PM EST |