5 calls and 17 puts traded on Nov 4, 2026, 22 contracts in total. Open interest was 7.5K contracts. Over the past 30 days, volume averaged 193 contracts per day. The WHD option volume chart shows volume by strike and expiration date.

Cactus IV rank is 9, so its 30-day implied volatility of 41.0% is near the bottom of its one-year range. Over the past year it ranged from 28.1% on Aug 14, 2026 to 176.5% on Oct 16, 2026. See the WHD implied volatility history for a longer view.

The Cactus put/call volume ratio was 3.40 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.19. The WHD open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Cactus options about one week from expiration was $65.11, 12.1% above the $58.07 close. The WHD max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 45.8%, options price a move of about ±$3.68 (±6.3%) over the next week, a range of roughly $54.39 to $61.75 from the Nov 4, 2026 close. The WHD expected move chart shows it for every expiration date.