0 calls and 1 puts traded on Nov 4, 2026, 1 contracts in total. Open interest was 589 contracts. Over the past 30 days, volume averaged 4 contracts per day. The NMIH option volume chart shows volume by strike and expiration date.

NMI IV rank is 17, so its 30-day implied volatility of 51.4% is near the bottom of its one-year range. Over the past year it ranged from 24.9% on Nov 25, 2025 to 185.6% on Oct 16, 2026. See the NMIH implied volatility history for a longer view.

The NMI put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.75. The NMIH open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for NMI options about one week from expiration was $39.57, 10.0% below the $43.97 close. The NMIH max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 61.8%, options price a move of about ±$3.76 (±8.6%) over the next week, a range of roughly $40.21 to $47.73 from the Nov 4, 2026 close. The NMIH expected move chart shows it for every expiration date.