229 calls and 38 puts traded on Nov 4, 2026, 267 contracts in total. Open interest was 7.14K contracts. Over the past 30 days, volume averaged 244 contracts per day. The AOS option volume chart shows volume by strike and expiration date.

A.O. Smith IV rank is 9, so its 30-day implied volatility of 30.9% is near the bottom of its one-year range. Over the past year it ranged from 16.4% on Dec 23, 2025 to 173.2% on Jul 17, 2026. See the AOS implied volatility history for a longer view.

The A.O. Smith put/call volume ratio was 0.17 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.70. The AOS open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for A.O. Smith options about one week from expiration was $60.00, 10.6% below the $67.09 close. The AOS max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 32.1%, options price a move of about ±$2.98 (±4.4%) over the next week, a range of roughly $64.11 to $70.07 from the Nov 4, 2026 close. The AOS expected move chart shows it for every expiration date.