Upgrade to view multiple expiration dates on this chart.
Implied Volatility Stats
Showing results for 2026-11-20(m), calls & puts
| Expiration Date | Avg IV |
|---|---|
NWN Volatility Skew FAQ
What is volatility skew?
Volatility skew is the difference in implied volatility between options at different strike prices. A steeper skew means traders are paying more for options on one side, usually downside puts used as protection.
What is NWN's one-year implied volatility range?
Over the past year, Northwest Natural 30-day implied volatility ranged from 9.8% on Nov 20, 2025 to 163.0% on Oct 16, 2026.
How has NWN implied volatility changed recently?
Northwest Natural 30-day implied volatility went from 28.8% on Oct 7, 2026 to 45.5% on Nov 4, 2026. See the NWN implied volatility history for a longer view.
What is Northwest Natural Holding Company?
Northwest Natural Holding Co is a public natural gas service supplier operating in the U.S.