287 calls and 1.52K puts traded on Nov 4, 2026, 1.8K contracts in total. Open interest was 14.74K contracts. Over the past 30 days, volume averaged 655 contracts per day. The NFG option volume chart shows volume by strike and expiration date.

National Fuel Gas IV rank is 14, so its 30-day implied volatility of 33.4% is near the bottom of its one-year range. Over the past year it ranged from 15.3% on Dec 19, 2025 to 144.3% on Oct 16, 2026. See the NFG implied volatility history for a longer view.

The National Fuel Gas put/call volume ratio was 5.29 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.16. The NFG open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for National Fuel Gas options about one week from expiration was $75.00, 2.1% below the $76.57 close. The NFG max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 41.0%, options price a move of about ±$4.35 (±5.7%) over the next week, a range of roughly $72.22 to $80.92 from the Nov 4, 2026 close. The NFG expected move chart shows it for every expiration date.