NI Open Interest
NiSource Inc (NI) had 3.87K open option contracts as of Nov 4, 2026: 2.27K calls and 1.6K puts. Open interest fell 12.3% over the past four weeks. The put/call open interest ratio is 0.70, so calls outnumber puts.
Open Interest by Strike
Showing results for NI, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for NI, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for NI, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for NI, 2026-11-20(m), calls & puts. View all expiries
NI 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 NI have?
NiSource had 3.87K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 4.08K contracts.
Is NI open interest rising or falling?
Open interest fell 12.3% over the past four weeks. It was 4.42K contracts on Oct 7, 2026. See the NI open interest history for a longer view.
What is the NI put/call open interest ratio?
The NiSource put/call open interest ratio was 0.70 as of Nov 4, 2026. Four weeks earlier it was 0.54.
What is NiSource Inc?
NiSource is one of the nation's largest natural gas distribution companies with 2.4 million customers in Kentucky, Maryland, Ohio, Pennsylvania, and Virginia.