MDU Resources Group (MDU) Options Chain
NYSE: MDUIndustrialsMining & Quarrying of Nonmetallic Minerals (No Fuels)USD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 18.81 +0.03%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $18.81
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.17
- Expected move
- ±$1.84
- Open interest (C / P)
- 167 / 4
MDU options summary
The MDU options chain for the October 16, 2026 expiration lists 7 call and 3 put contracts, with 8 days until expiration. Open interest stands at 167 calls and 4 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $20.00 strike is 65.9%, which implies the market expects a move of about ±$1.84 (9.8%) in MDU Resources Group stock by expiration.
The most open interest sits at the $22.50 call (81 contracts) and the $20.00 put (3 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MDU options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 8.68 | 6.70 | 10.80 | 12.50 | — | — | — | |||||
| 4.20 | 2.50 | 5.50 | 17.50 | 0.00 | 0.75 | 0.20 | |||||
| 0.20 | 0.00 | 0.75 | 20.00 | 0.80 | 1.50 | 1.17 | |||||
| 0.12 | 0.00 | 0.25 | 22.50 | — | — | — | |||||
| 0.36 | 0.00 | 0.75 | 25.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.75 | 27.50 | — | — | — | |||||
| 0.10 | 0.00 | 0.75 | 32.50 | 10.20 | 12.60 | 11.38 | |||||
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 October 16, 2026 expiration, the MDU put/call ratio based on open interest is 0.02 (4 puts vs 167 calls), and 0.17 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 October 16, 2026 is about 65.9%, 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.