NFG Open Interest
National Fuel Gas Co (NFG) had 14.74K open option contracts as of Nov 4, 2026: 12.72K calls and 2.02K puts. Open interest rose 55.0% over the past four weeks. The put/call open interest ratio is 0.16, so calls outnumber puts.
Open Interest by Strike
Showing results for NFG, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for NFG, 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 NFG, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for NFG, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for NFG, all expirations, calls & puts. View full history
NFG 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 NFG have?
National Fuel Gas had 14.74K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 10.07K contracts.
Is NFG open interest rising or falling?
Open interest rose 55.0% over the past four weeks. It was 9.51K contracts on Oct 7, 2026. See the NFG open interest history for a longer view.
What is the NFG put/call open interest ratio?
The National Fuel Gas put/call open interest ratio was 0.16 as of Nov 4, 2026. Four weeks earlier it was 0.23.
What is National Fuel Gas Co?
National Fuel Gas Co is a diversified energy company involved in natural gas production, gathering, transportation, distribution, and marketing.