Options Chain for NORTHWEST NAT HLDG CO COM (NWN) - $47.23 as of 9/24/2026 11:34:00 AM 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 | 15.20 | 19.30 | 17.25 | % | 0.57 | 0 | 0 | 2.18 | 1.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 35.00 | 10.20 | 14.30 | 12.25 | % | 0.35 | 0 | 0 | 1.64 | 1.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 40.00 | 6.40 | 8.80 | 7.60 | % | 0.19 | 0 | 0 | 1.02 | 0.99 | 0.01 | -0.01 | 9/24/2026 4:00:04 PM EST | |||
| 45.00 | 1.10 | 4.50 | 2.80 | 4.00 | 0.00 | 0.00% | 0.06 | 0 | 1 | 0.74 | 0.78 | 0.09 | -0.03 | 9/14/2026 | 9/24/2026 4:00:04 PM EST |
| 50.00 | 0.00 | 1.00 | 0.50 | 0.40 | 0.00 | 0.00% | 0.01 | 0 | 24 | 0.45 | 0.23 | 0.09 | -0.02 | 9/22/2026 | 9/24/2026 4:00:04 PM EST |
| 55.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.03 | 0.02 | 0.01 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 60.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.29 | 0.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 65.00 | 0.00 | 1.75 | 0.88 | % | 0.01 | 0 | 0 | 1.33 | 0.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 70.00 | 0.00 | 2.15 | 1.08 | % | 0.02 | 0 | 0 | 1.69 | 0.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 75.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.86 | 0.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 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 | 2.17 | 0.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 35.00 | 0.00 | 2.15 | 1.08 | % | 0.03 | 0 | 0 | 1.64 | 0.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 40.00 | 0.00 | 2.15 | 1.08 | % | 0.03 | 0 | 0 | 1.16 | -0.01 | 0.01 | -0.01 | 9/24/2026 4:00:04 PM EST | |||
| 45.00 | 0.00 | 0.95 | 0.48 | % | 0.01 | 0 | 0 | 0.41 | -0.22 | 0.09 | -0.03 | 9/24/2026 4:00:04 PM EST | |||
| 50.00 | 1.40 | 4.60 | 3.00 | 2.20 | 0.00 | 0.00% | 0.06 | 0 | 5 | 0.62 | -0.77 | 0.09 | -0.02 | 9/18/2026 | 9/24/2026 4:00:04 PM EST |
| 55.00 | 6.00 | 10.10 | 8.05 | % | 0.15 | 0 | 0 | 1.06 | -0.98 | 0.01 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 60.00 | 11.00 | 15.10 | 13.05 | % | 0.22 | 0 | 0 | 1.32 | -1.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 65.00 | 16.00 | 20.10 | 18.05 | % | 0.28 | 0 | 0 | 1.54 | -1.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 70.00 | 21.00 | 25.10 | 23.05 | % | 0.33 | 0 | 0 | 1.73 | -1.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST | |||
| 75.00 | 26.00 | 30.10 | 28.05 | % | 0.37 | 0 | 0 | 1.90 | -1.00 | 0.00 | 0.00 | 9/24/2026 4:00:04 PM EST |