0 calls and 2 puts traded on Nov 4, 2026, 2 contracts in total. Open interest was 876 contracts. Over the past 30 days, volume averaged 4 contracts per day. The NGS option volume chart shows volume by strike and expiration date.

Natural Gas Services IV rank is 19, so its 30-day implied volatility of 56.5% is near the bottom of its one-year range. Over the past year it ranged from 24.7% on Nov 11, 2025 to 191.3% on Oct 16, 2026. See the NGS implied volatility history for a longer view.

The Natural Gas Services put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.61. The NGS open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Natural Gas Services options about one week from expiration was $25.15, 13.0% below the $28.92 close. The NGS max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 74.2%, options price a move of about ±$2.97 (±10.3%) over the next week, a range of roughly $25.95 to $31.89 from the Nov 4, 2026 close. The NGS expected move chart shows it for every expiration date.