Options Chain for BLACK HILLS CORP COM (BKH) - $75.10 as of 7/24/2026 7:31:55 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 | 38.20 | 42.30 | 40.25 | % | 1.15 | 0 | 0 | 2.56 | 1.00 | 0.00 | 0.00 | 7/24/2026 3:59:56 PM EST | |||
| 40.00 | 33.20 | 37.30 | 35.25 | % | 0.88 | 0 | 0 | 2.19 | 1.00 | 0.00 | 0.00 | 7/24/2026 3:59:56 PM EST | |||
| 45.00 | 28.20 | 32.30 | 30.25 | % | 0.67 | 0 | 0 | 1.87 | 1.00 | 0.00 | 0.00 | 7/24/2026 3:59:56 PM EST | |||
| 50.00 | 23.20 | 27.40 | 25.30 | 24.85 | 0.00 | 0.00% | 0.51 | 0 | 0 | 1.60 | 1.00 | 0.00 | 0.00 | 5/5/2026 | 7/24/2026 3:59:56 PM EST |
| 55.00 | 18.30 | 22.40 | 20.35 | 20.10 | 0.00 | 0.00% | 0.37 | 0 | 16 | 1.33 | 1.00 | 0.00 | 0.00 | 7/17/2026 | 7/24/2026 3:59:56 PM EST |
| 60.00 | 13.30 | 17.50 | 15.40 | 14.98 | 0.00 | 0.00% | 0.26 | 0 | 11 | 1.07 | 1.00 | 0.00 | 0.00 | 7/21/2026 | 7/24/2026 3:59:56 PM EST |
| 65.00 | 9.10 | 12.00 | 10.55 | 9.33 | 0.00 | 0.00% | 0.16 | 0 | 21 | 0.83 | 0.97 | 0.02 | -0.01 | 7/2/2026 | 7/24/2026 3:59:56 PM EST |
| 70.00 | 4.10 | 8.00 | 6.05 | 5.35 | 0.00 | 0.00% | 0.09 | 0 | 23 | 0.66 | 0.79 | 0.05 | -0.03 | 7/21/2026 | 7/24/2026 3:59:56 PM EST |
| 75.00 | 0.75 | 4.30 | 2.53 | 2.10 | 0.00 | 0.00% | 0.03 | 0 | 944 | 0.30 | 0.52 | 0.06 | -0.04 | 7/23/2026 | 7/24/2026 3:59:56 PM EST |
| 80.00 | 0.00 | 1.00 | 0.50 | 0.10 | -0.44 | -81.49% | 0.01 | 3 | 100 | 0.28 | 0.26 | 0.04 | -0.04 | 7/24/2026 | 7/24/2026 3:59:56 PM EST |
| 85.00 | 0.10 | 2.35 | 1.23 | 0.25 | 0.00 | 0.00% | 0.01 | 0 | 46 | 0.48 | 0.10 | 0.02 | -0.02 | 7/22/2026 | 7/24/2026 3:59:56 PM EST |
| 90.00 | 0.00 | 2.25 | 1.13 | 0.50 | 0.00 | 0.00% | 0.01 | 0 | 3 | 0.84 | 0.03 | 0.01 | -0.01 | 5/14/2026 | 7/24/2026 3:59:56 PM EST |
| 95.00 | 0.00 | 2.20 | 1.10 | 0.35 | 0.00 | 0.00% | 0.01 | 0 | 9 | 0.96 | 0.01 | 0.00 | 0.00 | 5/1/2026 | 7/24/2026 3:59:56 PM EST |
| 100.00 | 0.05 | 0.30 | 0.18 | 0.06 | 0.00 | 0.00% | 0.00 | 0 | 18 | 0.55 | 0.00 | 0.00 | 0.00 | 7/9/2026 | 7/24/2026 3:59:56 PM EST |
| 105.00 | 0.00 | 0.10 | 0.05 | 0.07 | 0.00 | 0.00% | 0.00 | 0 | 107 | 0.59 | 0.00 | 0.00 | 0.00 | 7/20/2026 | 7/24/2026 3:59:56 PM EST |
| 110.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.27 | 0.00 | 0.00 | 0.00 | 7/24/2026 3:59:56 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 | 0.10 | 0.00 | 0.00% | 0.03 | 0 | 2 | 2.43 | 0.00 | 0.00 | 0.00 | 6/26/2026 | 7/24/2026 3:59:56 PM EST |
| 40.00 | 0.00 | 2.15 | 1.08 | 0.20 | 0.00 | 0.00% | 0.03 | 0 | 6 | 2.08 | 0.00 | 0.00 | 0.00 | 3/26/2026 | 7/24/2026 3:59:56 PM EST |
| 45.00 | 0.00 | 2.15 | 1.08 | 0.25 | 0.00 | 0.00% | 0.02 | 0 | 2 | 1.76 | 0.00 | 0.00 | 0.00 | 6/29/2026 | 7/24/2026 3:59:56 PM EST |
| 50.00 | 0.00 | 2.20 | 1.10 | 0.35 | 0.00 | 0.00% | 0.02 | 0 | 3 | 1.49 | 0.00 | 0.00 | 0.00 | 6/29/2026 | 7/24/2026 3:59:56 PM EST |
| 55.00 | 0.00 | 2.20 | 1.10 | 0.26 | 0.00 | 0.00% | 0.02 | 0 | 15 | 1.23 | 0.00 | 0.00 | 0.00 | 7/9/2026 | 7/24/2026 3:59:56 PM EST |
| 60.00 | 0.00 | 2.25 | 1.13 | 0.55 | 0.00 | 0.00% | 0.02 | 0 | 40 | 1.00 | 0.00 | 0.00 | 0.00 | 6/25/2026 | 7/24/2026 3:59:56 PM EST |
| 65.00 | 0.00 | 0.55 | 0.28 | 0.27 | 0.00 | 0.00% | 0.00 | 0 | 341 | 0.44 | -0.03 | 0.02 | -0.01 | 7/23/2026 | 7/24/2026 3:59:56 PM EST |
| 70.00 | 0.25 | 1.50 | 0.88 | 0.85 | +0.05 | +6.25% | 0.01 | 2 | 110 | 0.32 | -0.21 | 0.05 | -0.03 | 7/24/2026 | 7/24/2026 3:59:56 PM EST |
| 75.00 | 1.95 | 4.60 | 3.28 | 2.50 | 0.00 | 0.00% | 0.04 | 0 | 7 | 0.39 | -0.48 | 0.06 | -0.04 | 7/22/2026 | 7/24/2026 3:59:56 PM EST |
| 80.00 | 3.90 | 7.80 | 5.85 | 7.10 | 0.00 | 0.00% | 0.07 | 0 | 7 | 0.56 | -0.74 | 0.04 | -0.04 | 7/2/2026 | 7/24/2026 3:59:56 PM EST |
| 85.00 | 8.50 | 12.00 | 10.25 | % | 0.12 | 0 | 0 | 0.61 | -0.90 | 0.02 | -0.02 | 7/24/2026 3:59:56 PM EST | |||
| 90.00 | 13.40 | 17.50 | 15.45 | % | 0.17 | 0 | 3 | 0.83 | -0.97 | 0.01 | -0.01 | 7/24/2026 3:59:56 PM EST | |||
| 95.00 | 18.30 | 22.40 | 20.35 | 21.33 | 0.00 | 0.00% | 0.21 | 0 | 1 | 0.95 | -0.99 | 0.00 | 0.00 | 4/9/2026 | 7/24/2026 3:59:56 PM EST |
| 100.00 | 23.40 | 27.40 | 25.40 | % | 0.25 | 0 | 0 | 1.06 | -1.00 | 0.00 | 0.00 | 7/24/2026 3:59:56 PM EST | |||
| 105.00 | 28.30 | 32.30 | 30.30 | % | 0.29 | 0 | 0 | 1.15 | -1.00 | 0.00 | 0.00 | 7/24/2026 3:59:56 PM EST | |||
| 110.00 | 33.30 | 37.30 | 35.30 | % | 0.32 | 0 | 0 | 1.26 | -1.00 | 0.00 | 0.00 | 7/24/2026 3:59:56 PM EST |