Options Chain for MDU RES GROUP INC COM (MDU) - $20.65 as of 8/17/2026 8:06:58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 7.20 | 9.70 | 8.45 | % | 0.68 | 0 | 0 | 6.95 | 1.00 | 0.00 | 0.00 | 8/17/2026 3:59:52 PM EST | |||
| 15.00 | 4.20 | 6.50 | 5.35 | % | 0.36 | 0 | 0 | 4.00 | 1.00 | 0.00 | 0.00 | 8/17/2026 3:59:52 PM EST | |||
| 17.50 | 2.00 | 4.90 | 3.45 | % | 0.20 | 0 | 0 | 3.99 | 0.95 | 0.05 | -0.03 | 8/17/2026 3:59:52 PM EST | |||
| 20.00 | 0.05 | 1.15 | 0.60 | 0.72 | -0.40 | -35.72% | 0.03 | 1 | 30 | 1.00 | 0.63 | 0.18 | -0.10 | 8/17/2026 | 8/17/2026 3:59:52 PM EST |
| 22.50 | 0.00 | 0.70 | 0.35 | 0.20 | 0.00 | 0.00% | 0.02 | 0 | 12 | 1.64 | 0.20 | 0.13 | -0.08 | 7/28/2026 | 8/17/2026 3:59:52 PM EST |
| 25.00 | 0.00 | 0.10 | 0.05 | % | 0.00 | 0 | 0 | 1.29 | 0.03 | 0.03 | -0.02 | 8/17/2026 3:59:52 PM EST | |||
| 27.50 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 3.07 | 0.00 | 0.00 | 0.00 | 8/17/2026 3:59:52 PM EST | |||
| 30.00 | 0.00 | 2.15 | 1.08 | 0.15 | 0.00 | 0.00% | 0.04 | 0 | 1 | 5.50 | 0.00 | 0.00 | 0.00 | 7/9/2026 | 8/17/2026 3:59:52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 0.00 | 2.15 | 1.08 | % | 0.09 | 0 | 0 | 7.94 | 0.00 | 0.00 | 0.00 | 8/17/2026 3:59:52 PM EST | |||
| 15.00 | 0.00 | 2.15 | 1.08 | % | 0.07 | 0 | 0 | 6.04 | 0.00 | 0.00 | 0.00 | 8/17/2026 3:59:52 PM EST | |||
| 17.50 | 0.00 | 0.75 | 0.38 | 0.13 | 0.00 | 0.00% | 0.02 | 0 | 1 | 2.40 | -0.05 | 0.05 | -0.03 | 6/29/2026 | 8/17/2026 3:59:52 PM EST |
| 20.00 | 0.00 | 2.25 | 1.13 | 0.56 | 0.00 | 0.00% | 0.06 | 0 | 4 | 2.98 | -0.37 | 0.18 | -0.10 | 6/22/2026 | 8/17/2026 3:59:52 PM EST |
| 22.50 | 1.50 | 2.25 | 1.88 | % | 0.08 | 0 | 0 | 1.09 | -0.80 | 0.13 | -0.08 | 8/17/2026 3:59:52 PM EST | |||
| 25.00 | 3.60 | 5.20 | 4.40 | % | 0.18 | 0 | 0 | 2.46 | -0.97 | 0.03 | -0.02 | 8/17/2026 3:59:52 PM EST | |||
| 27.50 | 6.10 | 7.60 | 6.85 | % | 0.25 | 0 | 0 | 2.91 | -1.00 | 0.00 | 0.00 | 8/17/2026 3:59:52 PM EST | |||
| 30.00 | 8.60 | 10.10 | 9.35 | % | 0.31 | 0 | 0 | 3.41 | -1.00 | 0.00 | 0.00 | 8/17/2026 3:59:52 PM EST |