117 calls and 591 puts traded on Nov 4, 2026, 708 contracts in total. Open interest was 37.92K contracts. Over the past 30 days, volume averaged 552 contracts per day. The HUN option volume chart shows volume by strike and expiration date.

Huntsman IV rank is 5, so its 30-day implied volatility of 46.3% is near the bottom of its one-year range. Over the past year it ranged from 39.2% on Oct 2, 2026 to 193.9% on Jul 17, 2026. See the HUN implied volatility history for a longer view.

The Huntsman put/call volume ratio was 5.05 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.41. The HUN open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Huntsman options about one week from expiration was $9.02, 9.2% below the $9.93 close. The HUN max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 48.0%, options price a move of about ±$0.66 (±6.6%) over the next week, a range of roughly $9.27 to $10.59 from the Nov 4, 2026 close. The HUN expected move chart shows it for every expiration date.