Northwest Natural (NWN) Options Chain
NYSE: NWNUtilitiesOil/Gas TransmissionUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $47.73
- Put/call ratio (OI)
- 0.21
- Put/call ratio (volume)
- 0.44
- Expected move
- ±$9.86
- Open interest (C / P)
- 187 / 39
NWN options summary
The NWN options chain for the December 18, 2026 expiration lists 6 call and 5 put contracts, with 68 days until expiration. Open interest stands at 187 calls and 39 puts, a put/call ratio of 0.21, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $50.00 strike is 47.9%, which implies the market expects a move of about ±$9.86 (20.7%) in Northwest Natural stock by expiration.
The most open interest sits at the $55.00 call (126 contracts) and the $45.00 put (25 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
NWN options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 23.23 | 17.40 | 21.30 | 30.00 | 0.00 | 0.00 | 0.05 | |||||
| 10.77 | 8.60 | 11.50 | 40.00 | 0.00 | 1.50 | 0.25 | |||||
| 3.34 | 1.60 | 5.50 | 45.00 | 0.00 | 1.75 | 0.87 | |||||
| 1.05 | 0.10 | 3.40 | 50.00 | 2.20 | 4.90 | 3.00 | |||||
| 0.50 | 0.00 | 1.00 | 55.00 | — | — | — | |||||
| 0.25 | 0.00 | 2.15 | 60.00 | — | — | — | |||||
| — | — | — | 80.00 | 0.00 | 0.00 | 31.24 | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the NWN put/call ratio?
For the December 18, 2026 expiration, the NWN put/call ratio based on open interest is 0.21 (39 puts vs 187 calls), and 0.44 based on today's volume. A ratio above 1 means more puts than calls.
What is NWN's implied volatility?
At-the-money implied volatility for NWN options expiring December 18, 2026 is about 47.9%, an annualized estimate of how much the market expects Northwest Natural stock to move.
How many NWN option expiration dates are there?
NWN has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.