1 calls and 0 puts traded on Nov 4, 2026, 1 contracts in total. Open interest was 2.86K contracts. Over the past 30 days, volume averaged 272 contracts per day. The NPO option volume chart shows volume by strike and expiration date.

Enpro IV rank is 6, so its 30-day implied volatility of 40.8% is near the bottom of its one-year range. Over the past year it ranged from 31.7% on Dec 3, 2025 to 179.9% on Oct 16, 2026. See the NPO implied volatility history for a longer view.

The Enpro put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 9.78. The NPO open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Enpro options about one week from expiration was $306.46, 10.5% above the $277.46 close. The NPO max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 42.4%, options price a move of about ±$16.29 (±5.9%) over the next week, a range of roughly $261.17 to $293.75 from the Nov 4, 2026 close. The NPO expected move chart shows it for every expiration date.