Options Chain for BLACK HILLS CORP COM (BKH) - $73.28 as of 1/22/2026 6:50:15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.00 | 40.40 | 44.40 | 42.40 | % | 1.41 | 0 | 0 | 2.83 | 1.00 | 0.00 | 0.00 | 1/22/2026 4:00:03 PM EST | |||
| 35.00 | 35.20 | 39.50 | 37.35 | 24.54 | 0.00 | 0.00% | 1.07 | 0 | 0 | 2.47 | 1.00 | 0.00 | 0.00 | 9/23/2025 | 1/22/2026 4:00:03 PM EST |
| 40.00 | 30.20 | 34.50 | 32.35 | % | 0.81 | 0 | 0 | 2.12 | 1.00 | 0.00 | 0.00 | 1/22/2026 4:00:03 PM EST | |||
| 45.00 | 25.30 | 29.50 | 27.40 | % | 0.61 | 0 | 0 | 1.79 | 1.00 | 0.00 | 0.00 | 1/22/2026 4:00:03 PM EST | |||
| 50.00 | 20.30 | 24.50 | 22.40 | 20.10 | 0.00 | 0.00% | 0.45 | 0 | 5 | 1.49 | 1.00 | 0.00 | 0.00 | 11/18/2025 | 1/22/2026 4:00:03 PM EST |
| 55.00 | 15.60 | 19.60 | 17.60 | 17.90 | 0.00 | 0.00% | 0.32 | 0 | 23 | 1.22 | 1.00 | 0.00 | 0.00 | 1/16/2026 | 1/22/2026 4:00:03 PM EST |
| 60.00 | 10.70 | 14.60 | 12.65 | 12.78 | 0.00 | 0.00% | 0.21 | 0 | 275 | 0.96 | 1.00 | 0.01 | 0.00 | 1/8/2026 | 1/22/2026 4:00:03 PM EST |
| 65.00 | 6.80 | 9.80 | 8.30 | 8.50 | 0.00 | 0.00% | 0.13 | 0 | 141 | 0.75 | 0.88 | 0.03 | -0.02 | 1/15/2026 | 1/22/2026 4:00:03 PM EST |
| 70.00 | 3.60 | 4.20 | 3.90 | 3.90 | 0.00 | 0.00% | 0.06 | 0 | 1,258 | 0.27 | 0.68 | 0.05 | -0.04 | 1/20/2026 | 1/22/2026 4:00:03 PM EST |
| 75.00 | 1.05 | 1.70 | 1.38 | 1.57 | +0.02 | +1.29% | 0.02 | 11 | 3,331 | 0.27 | 0.40 | 0.05 | -0.04 | 1/22/2026 | 1/22/2026 4:00:03 PM EST |
| 80.00 | 0.00 | 1.25 | 0.63 | 0.57 | 0.00 | 0.00% | 0.01 | 0 | 62 | 0.47 | 0.18 | 0.03 | -0.03 | 1/21/2026 | 1/22/2026 4:00:03 PM EST |
| 85.00 | 0.00 | 2.40 | 1.20 | 0.33 | 0.00 | 0.00% | 0.01 | 0 | 10 | 0.80 | 0.06 | 0.01 | -0.01 | 12/17/2025 | 1/22/2026 4:00:03 PM EST |
| 90.00 | 0.00 | 2.25 | 1.13 | % | 0.01 | 0 | 0 | 0.92 | 0.02 | 0.00 | 0.00 | 1/22/2026 4:00:03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.00 | 0.00 | 2.15 | 1.08 | % | 0.04 | 0 | 0 | 2.73 | 0.00 | 0.00 | 0.00 | 1/22/2026 4:00:03 PM EST | |||
| 35.00 | 0.00 | 2.15 | 1.08 | % | 0.03 | 0 | 0 | 2.33 | 0.00 | 0.00 | 0.00 | 1/22/2026 4:00:03 PM EST | |||
| 40.00 | 0.00 | 2.00 | 1.00 | % | 0.03 | 0 | 0 | 1.93 | 0.00 | 0.00 | 0.00 | 1/22/2026 4:00:03 PM EST | |||
| 45.00 | 0.00 | 0.15 | 0.08 | 0.15 | 0.00 | 0.00% | 0.00 | 0 | 16 | 0.88 | 0.00 | 0.00 | 0.00 | 10/31/2025 | 1/22/2026 4:00:03 PM EST |
| 50.00 | 0.00 | 2.20 | 1.10 | 0.25 | 0.00 | 0.00% | 0.02 | 0 | 10 | 1.40 | 0.00 | 0.00 | 0.00 | 10/24/2025 | 1/22/2026 4:00:03 PM EST |
| 55.00 | 0.00 | 2.20 | 1.10 | 0.75 | 0.00 | 0.00% | 0.02 | 0 | 39 | 1.14 | 0.00 | 0.00 | 0.00 | 1/20/2026 | 1/22/2026 4:00:03 PM EST |
| 60.00 | 0.00 | 2.25 | 1.13 | 0.30 | 0.00 | 0.00% | 0.02 | 0 | 54 | 0.90 | 0.00 | 0.01 | 0.00 | 1/15/2026 | 1/22/2026 4:00:03 PM EST |
| 65.00 | 0.05 | 0.90 | 0.48 | 0.65 | 0.00 | 0.00% | 0.01 | 0 | 56 | 0.34 | -0.12 | 0.03 | -0.02 | 1/21/2026 | 1/22/2026 4:00:03 PM EST |
| 70.00 | 1.60 | 1.90 | 1.75 | 1.55 | 0.00 | 0.00% | 0.03 | 3 | 192 | 0.37 | -0.32 | 0.05 | -0.04 | 1/22/2026 | 1/22/2026 4:00:03 PM EST |
| 75.00 | 3.90 | 6.40 | 5.15 | 6.00 | 0.00 | 0.00% | 0.07 | 0 | 571 | 0.49 | -0.60 | 0.05 | -0.04 | 1/13/2026 | 1/22/2026 4:00:03 PM EST |
| 80.00 | 6.50 | 10.50 | 8.50 | 9.00 | 0.00 | 0.00% | 0.11 | 0 | 1 | 0.68 | -0.82 | 0.03 | -0.03 | 12/11/2025 | 1/22/2026 4:00:03 PM EST |
| 85.00 | 11.20 | 15.50 | 13.35 | % | 0.16 | 0 | 0 | 0.80 | -0.94 | 0.01 | -0.01 | 1/22/2026 4:00:03 PM EST | |||
| 90.00 | 16.10 | 20.40 | 18.25 | % | 0.20 | 0 | 0 | 0.92 | -0.98 | 0.00 | 0.00 | 1/22/2026 4:00:03 PM EST |