MDU Resources Group (MDU) Options Chain
NYSE: MDUIndustrialsMining & Quarrying of Nonmetallic Minerals (No Fuels)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $18.74
- Put/call ratio (OI)
- 0.14
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$2.42
- Open interest (C / P)
- 7 / 1
MDU options summary
The MDU options chain for the November 20, 2026 expiration lists 2 call and 2 put contracts, with 40 days until expiration. Open interest stands at 7 calls and 1 puts, a put/call ratio of 0.14, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $17.50 strike is 39.0%, which implies the market expects a move of about ±$2.42 (12.9%) in MDU Resources Group stock by expiration.
The most open interest sits at the $20.00 call (6 contracts) and the $17.50 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MDU options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 17.50 | 0.00 | 0.45 | 0.30 | |||||
| 0.30 | 0.10 | 0.45 | 20.00 | — | — | 1.36 | |||||
| 0.04 | 0.00 | 0.75 | 25.00 | — | — | — | |||||
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 MDU put/call ratio?
For the November 20, 2026 expiration, the MDU put/call ratio based on open interest is 0.14 (1 puts vs 7 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is MDU's implied volatility?
At-the-money implied volatility for MDU options expiring November 20, 2026 is about 39.0%, an annualized estimate of how much the market expects MDU Resources Group stock to move.
How many MDU option expiration dates are there?
MDU has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.