Options Chain for NORTHWESTERN ENERGY GROUP INC COM NEW (NWE) - $72.34 as of 5/1/2026 3:01:58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40.00 | 30.60 | 34.90 | 32.75 | % | 0.82 | 0 | 0 | 2.99 | 1.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 45.00 | 25.70 | 29.80 | 27.75 | % | 0.62 | 0 | 0 | 2.49 | 1.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 50.00 | 20.70 | 24.80 | 22.75 | % | 0.46 | 0 | 0 | 2.08 | 1.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 55.00 | 15.50 | 19.70 | 17.60 | % | 0.32 | 0 | 0 | 1.66 | 1.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 60.00 | 10.60 | 15.00 | 12.80 | % | 0.21 | 0 | 0 | 1.38 | 1.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 65.00 | 5.80 | 10.00 | 7.90 | 2.50 | 0.00 | 0.00% | 0.12 | 0 | 2 | 1.03 | 0.96 | 0.02 | -0.02 | 3/23/2026 | 5/1/2026 3:59:59 PM EST |
| 70.00 | 1.00 | 5.50 | 3.25 | 2.30 | 0.00 | 0.00% | 0.05 | 0 | 40 | 0.67 | 0.72 | 0.07 | -0.06 | 4/21/2026 | 5/1/2026 3:59:59 PM EST |
| 75.00 | 0.00 | 2.35 | 1.18 | 0.60 | 0.00 | 0.00% | 0.02 | 0 | 9 | 0.60 | 0.30 | 0.08 | -0.06 | 4/7/2026 | 5/1/2026 3:59:59 PM EST |
| 80.00 | 0.00 | 1.00 | 0.50 | % | 0.01 | 0 | 0 | 0.60 | 0.06 | 0.03 | -0.02 | 5/1/2026 3:59:59 PM EST | |||
| 85.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.08 | 0.01 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 90.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.28 | 0.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 95.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.46 | 0.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 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 | 2.85 | 0.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 45.00 | 0.00 | 4.80 | 2.40 | % | 0.05 | 0 | 0 | 2.41 | 0.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 50.00 | 0.00 | 4.80 | 2.40 | % | 0.05 | 0 | 0 | 2.00 | 0.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 55.00 | 0.00 | 4.80 | 2.40 | % | 0.04 | 0 | 0 | 1.63 | 0.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 60.00 | 0.00 | 4.80 | 2.40 | % | 0.04 | 0 | 0 | 1.28 | 0.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 65.00 | 0.00 | 3.00 | 1.50 | % | 0.02 | 0 | 0 | 0.95 | -0.04 | 0.02 | -0.02 | 5/1/2026 3:59:59 PM EST | |||
| 70.00 | 0.00 | 4.80 | 2.40 | 1.05 | 0.00 | 0.00% | 0.03 | 0 | 1 | 0.64 | -0.28 | 0.07 | -0.06 | 4/15/2026 | 5/1/2026 3:59:59 PM EST |
| 75.00 | 0.50 | 5.10 | 2.80 | % | 0.04 | 0 | 0 | 0.57 | -0.70 | 0.08 | -0.06 | 5/1/2026 3:59:59 PM EST | |||
| 80.00 | 5.10 | 9.30 | 7.20 | % | 0.09 | 0 | 0 | 0.77 | -0.94 | 0.03 | -0.02 | 5/1/2026 3:59:59 PM EST | |||
| 85.00 | 10.10 | 14.30 | 12.20 | % | 0.14 | 0 | 0 | 0.99 | -0.99 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 90.00 | 15.10 | 19.30 | 17.20 | % | 0.19 | 0 | 0 | 1.19 | -1.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 95.00 | 20.10 | 24.30 | 22.20 | % | 0.23 | 0 | 0 | 1.36 | -1.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST |