Options Chain for KNIFE RIVER CORP COMMON STOCK (KNF) - $54.50 as of 9/18/2026 7:45:20 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 35.00 | 17.90 | 21.20 | 19.55 | % | 0.56 | 0 | 0 | 1.58 | 1.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 40.00 | 13.30 | 15.70 | 14.50 | % | 0.36 | 0 | 0 | 1.05 | 1.00 | 0.00 | -0.01 | 9/18/2026 3:59:58 PM EST | |||
| 45.00 | 8.60 | 11.40 | 10.00 | % | 0.22 | 0 | 0 | 0.93 | 0.96 | 0.01 | -0.02 | 9/18/2026 3:59:58 PM EST | |||
| 50.00 | 5.20 | 6.00 | 5.60 | 6.57 | % | 0.11 | 2 | 0 | 0.48 | 0.79 | 0.04 | -0.04 | 9/18/2026 | 9/18/2026 3:59:58 PM EST | |
| 55.00 | 1.10 | 3.90 | 2.50 | % | 0.05 | 0 | 0 | 0.45 | 0.50 | 0.06 | -0.05 | 9/18/2026 3:59:58 PM EST | |||
| 60.00 | 0.00 | 2.95 | 1.48 | % | 0.02 | 0 | 0 | 0.81 | 0.24 | 0.05 | -0.04 | 9/18/2026 3:59:58 PM EST | |||
| 65.00 | 0.00 | 1.75 | 0.88 | 5.16 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.82 | 0.09 | 0.03 | -0.02 | 8/26/2026 | 9/18/2026 3:59:58 PM EST |
| 70.00 | 0.00 | 2.15 | 1.08 | 2.89 | 0.00 | 0.00% | 0.02 | 0 | 1 | 1.08 | 0.03 | 0.01 | -0.01 | 8/26/2026 | 9/18/2026 3:59:58 PM EST |
| 75.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.24 | 0.01 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 80.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.39 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 85.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.52 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 90.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.63 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 95.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.74 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 100.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.84 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 35.00 | 0.00 | 2.15 | 1.08 | % | 0.03 | 0 | 0 | 1.80 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 40.00 | 0.00 | 2.20 | 1.10 | % | 0.03 | 0 | 0 | 1.43 | 0.00 | 0.00 | -0.01 | 9/18/2026 3:59:58 PM EST | |||
| 45.00 | 0.00 | 2.10 | 1.05 | % | 0.02 | 0 | 0 | 1.04 | -0.04 | 0.01 | -0.02 | 9/18/2026 3:59:58 PM EST | |||
| 50.00 | 0.00 | 3.00 | 1.50 | 1.45 | 0.00 | 0.00% | 0.03 | 0 | 1 | 0.87 | -0.21 | 0.04 | -0.04 | 9/14/2026 | 9/18/2026 3:59:58 PM EST |
| 55.00 | 1.30 | 4.10 | 2.70 | 2.22 | 0.00 | 0.00% | 0.05 | 0 | 15 | 0.41 | -0.50 | 0.06 | -0.05 | 9/17/2026 | 9/18/2026 3:59:58 PM EST |
| 60.00 | 4.90 | 7.40 | 6.15 | 5.73 | 0.00 | 0.00% | 0.10 | 0 | 1 | 0.68 | -0.76 | 0.05 | -0.04 | 9/17/2026 | 9/18/2026 3:59:58 PM EST |
| 65.00 | 9.50 | 12.00 | 10.75 | 10.55 | 0.00 | 0.00% | 0.17 | 0 | 1 | 0.83 | -0.91 | 0.03 | -0.02 | 9/17/2026 | 9/18/2026 3:59:58 PM EST |
| 70.00 | 13.70 | 17.30 | 15.50 | % | 0.22 | 0 | 0 | 1.08 | -0.97 | 0.01 | -0.01 | 9/18/2026 3:59:58 PM EST | |||
| 75.00 | 18.80 | 22.30 | 20.55 | % | 0.27 | 0 | 0 | 1.24 | -0.99 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 80.00 | 23.40 | 27.40 | 25.40 | % | 0.32 | 0 | 0 | 1.41 | -1.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 85.00 | 28.40 | 32.40 | 30.40 | % | 0.36 | 0 | 0 | 1.54 | -1.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 90.00 | 33.40 | 37.40 | 35.40 | % | 0.39 | 0 | 0 | 1.66 | -1.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 95.00 | 38.40 | 42.40 | 40.40 | % | 0.43 | 0 | 0 | 1.77 | -1.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 100.00 | 43.40 | 47.40 | 45.40 | % | 0.45 | 0 | 0 | 1.88 | -1.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST |