MDU Open Interest
MDU Resources Group Inc (MDU) had 813 open option contracts as of Nov 4, 2026: 446 calls and 367 puts. Open interest rose 62.0% over the past four weeks, and is MDU's highest level in 12 weeks. The put/call open interest ratio is 0.82, so calls outnumber puts.
Open Interest by Strike
Showing results for MDU, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for MDU, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
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Highest Open Interest Options
Showing results for MDU, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for MDU, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for MDU, all expirations, calls & puts. View full history
MDU Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does MDU have?
MDU Resources had 813 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 598 contracts.
Is MDU open interest rising or falling?
Open interest rose 62.0% over the past four weeks, and is MDU's highest level in 12 weeks. It was 502 contracts on Oct 7, 2026. See the MDU open interest history for a longer view.
What is the MDU put/call open interest ratio?
The MDU Resources put/call open interest ratio was 0.82 as of Nov 4, 2026. Four weeks earlier it was 0.16.
What is MDU Resources Group Inc?
MDU Resources Group Inc is a pure-play regulated energy delivery business.