Options Chain for NORTHWEST NAT HLDG CO COM (NWN) - $51.17 as of 7/30/2026 5:50:00 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25.00 | 23.00 | 27.00 | 25.00 | % | 1.00 | 0 | 0 | 3.07 | 1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 30.00 | 18.00 | 22.00 | 20.00 | % | 0.67 | 0 | 0 | 2.43 | 1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 35.00 | 13.00 | 17.00 | 15.00 | % | 0.43 | 0 | 0 | 1.90 | 1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 40.00 | 8.50 | 12.00 | 10.25 | % | 0.26 | 0 | 0 | 1.42 | 1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 45.00 | 4.00 | 7.00 | 5.50 | % | 0.12 | 0 | 0 | 0.96 | 1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 50.00 | 0.85 | 1.30 | 1.08 | 1.05 | -0.55 | -34.38% | 0.02 | 3 | 12 | 0.28 | 0.45 | 0.14 | -0.02 | 7/30/2026 | 7/30/2026 3:43:52 PM EST |
| 55.00 | 0.00 | 2.00 | 1.00 | 0.05 | 0.00 | 0.00% | 0.02 | 0 | 6 | 0.83 | 0.05 | 0.03 | -0.01 | 7/29/2026 | 7/30/2026 3:43:52 PM EST |
| 60.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.14 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 65.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.36 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 70.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.55 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 75.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.72 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25.00 | 0.00 | 2.15 | 1.08 | % | 0.04 | 0 | 0 | 2.88 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 30.00 | 0.00 | 2.15 | 1.08 | % | 0.04 | 0 | 0 | 2.27 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 35.00 | 0.00 | 2.15 | 1.08 | % | 0.03 | 0 | 0 | 1.76 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 40.00 | 0.00 | 2.15 | 1.08 | % | 0.03 | 0 | 0 | 1.29 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 45.00 | 0.00 | 1.50 | 0.75 | % | 0.02 | 0 | 0 | 0.69 | 0.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 50.00 | 0.35 | 3.50 | 1.93 | 1.70 | +0.80 | +88.89% | 0.04 | 4 | 6 | 0.26 | -0.55 | 0.14 | -0.02 | 7/30/2026 | 7/30/2026 3:43:52 PM EST |
| 55.00 | 4.20 | 7.10 | 5.65 | % | 0.10 | 0 | 0 | 0.41 | -0.95 | 0.03 | -0.01 | 7/30/2026 3:43:52 PM EST | |||
| 60.00 | 8.20 | 12.50 | 10.35 | % | 0.17 | 0 | 0 | 1.05 | -1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 65.00 | 13.20 | 17.50 | 15.35 | % | 0.24 | 0 | 0 | 1.27 | -1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 70.00 | 18.20 | 22.50 | 20.35 | % | 0.29 | 0 | 0 | 1.46 | -1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST | |||
| 75.00 | 23.40 | 27.50 | 25.45 | % | 0.34 | 0 | 0 | 1.63 | -1.00 | 0.00 | 0.00 | 7/30/2026 3:43:52 PM EST |