Options Chain for KNIFE RIVER CORP COMMON STOCK (KNF) - $91.84 as of 8/22/2025 8:16:42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40.00 | 50.60 | 53.70 | 52.15 | % | 1.30 | 0 | 0 | 2.32 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 45.00 | 45.50 | 49.00 | 47.25 | % | 1.05 | 0 | 0 | 2.12 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 50.00 | 40.40 | 43.80 | 42.10 | % | 0.84 | 0 | 0 | 1.79 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 55.00 | 35.60 | 39.00 | 37.30 | % | 0.68 | 0 | 0 | 1.60 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 60.00 | 30.60 | 33.90 | 32.25 | % | 0.54 | 0 | 0 | 1.35 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 65.00 | 25.50 | 28.80 | 27.15 | % | 0.42 | 0 | 0 | 1.13 | 1.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 70.00 | 20.50 | 23.60 | 22.05 | % | 0.32 | 0 | 0 | 0.90 | 1.00 | 0.00 | -0.01 | 8/22/2025 3:59:46 PM EST | |||
| 75.00 | 15.70 | 18.60 | 17.15 | 18.80 | +3.64 | +24.02% | 0.23 | 2 | 2 | 0.72 | 0.99 | 0.00 | -0.03 | 8/22/2025 | 8/22/2025 3:59:46 PM EST |
| 80.00 | 10.70 | 14.50 | 12.60 | 9.58 | 0.00 | 0.00% | 0.16 | 0 | 1 | 0.70 | 0.94 | 0.01 | -0.04 | 8/18/2025 | 8/22/2025 3:59:46 PM EST |
| 85.00 | 6.40 | 10.20 | 8.30 | 6.20 | 0.00 | 0.00% | 0.10 | 0 | 1 | 0.59 | 0.84 | 0.03 | -0.06 | 8/19/2025 | 8/22/2025 3:59:46 PM EST |
| 90.00 | 4.00 | 5.40 | 4.70 | 2.00 | 0.00 | 0.00% | 0.05 | 0 | 15 | 0.30 | 0.65 | 0.04 | -0.08 | 7/22/2025 | 8/22/2025 3:59:46 PM EST |
| 95.00 | 1.80 | 2.50 | 2.15 | 2.01 | -1.11 | -35.58% | 0.02 | 1 | 13 | 0.30 | 0.42 | 0.05 | -0.07 | 8/22/2025 | 8/22/2025 3:59:46 PM EST |
| 100.00 | 0.00 | 2.50 | 1.25 | % | 0.01 | 0 | 0 | 0.51 | 0.20 | 0.04 | -0.04 | 8/22/2025 3:59:46 PM EST | |||
| 105.00 | 0.00 | 1.10 | 0.55 | 1.40 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.47 | 0.07 | 0.02 | -0.02 | 8/4/2025 | 8/22/2025 3:59:46 PM EST |
| 110.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 0.72 | 0.02 | 0.01 | -0.01 | 8/22/2025 3:59:46 PM EST | |||
| 115.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 0.83 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40.00 | 0.00 | 2.15 | 1.08 | % | 0.03 | 0 | 0 | 2.49 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 45.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 2.19 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 50.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.92 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 55.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.68 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 60.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.46 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 65.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.26 | 0.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST | |||
| 70.00 | 0.00 | 2.20 | 1.10 | % | 0.02 | 0 | 0 | 1.07 | 0.00 | 0.00 | -0.01 | 8/22/2025 3:59:46 PM EST | |||
| 75.00 | 0.00 | 2.20 | 1.10 | % | 0.01 | 0 | 0 | 0.88 | -0.01 | 0.00 | -0.03 | 8/22/2025 3:59:46 PM EST | |||
| 80.00 | 0.00 | 2.45 | 1.23 | % | 0.02 | 0 | 0 | 0.74 | -0.06 | 0.01 | -0.04 | 8/22/2025 3:59:46 PM EST | |||
| 85.00 | 0.00 | 2.90 | 1.45 | % | 0.02 | 0 | 0 | 0.60 | -0.16 | 0.03 | -0.06 | 8/22/2025 3:59:46 PM EST | |||
| 90.00 | 1.75 | 2.40 | 2.08 | 4.59 | 0.00 | 0.00% | 0.02 | 0 | 3 | 0.33 | -0.35 | 0.04 | -0.08 | 8/21/2025 | 8/22/2025 3:59:46 PM EST |
| 95.00 | 3.90 | 5.90 | 4.90 | % | 0.05 | 0 | 0 | 0.35 | -0.58 | 0.05 | -0.07 | 8/22/2025 3:59:46 PM EST | |||
| 100.00 | 7.70 | 9.50 | 8.60 | % | 0.09 | 0 | 0 | 0.44 | -0.80 | 0.04 | -0.04 | 8/22/2025 3:59:46 PM EST | |||
| 105.00 | 11.60 | 14.80 | 13.20 | % | 0.13 | 0 | 0 | 0.61 | -0.93 | 0.02 | -0.02 | 8/22/2025 3:59:46 PM EST | |||
| 110.00 | 16.70 | 19.60 | 18.15 | % | 0.16 | 0 | 0 | 0.70 | -0.98 | 0.01 | -0.01 | 8/22/2025 3:59:46 PM EST | |||
| 115.00 | 21.60 | 24.40 | 23.00 | % | 0.20 | 0 | 0 | 0.78 | -1.00 | 0.00 | 0.00 | 8/22/2025 3:59:46 PM EST |