364 calls and 24 puts traded on Nov 4, 2026, 388 contracts in total. Open interest was 23.11K contracts. Over the past 30 days, volume averaged 738 contracts per day. The COO option volume chart shows volume by strike and expiration date.

Cooper Companies IV rank is 10, so its 30-day implied volatility of 37.3% is near the bottom of its one-year range. Over the past year it ranged from 22.7% on Oct 9, 2026 to 174.1% on Jul 17, 2026. See the COO implied volatility history for a longer view.

The Cooper Companies put/call volume ratio was 0.07 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.47. The COO open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Cooper Companies options about one week from expiration was $55.00, 14.6% below the $64.40 close. The COO max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 33.7%, options price a move of about ±$3.00 (±4.7%) over the next week, a range of roughly $61.40 to $67.40 from the Nov 4, 2026 close. The COO expected move chart shows it for every expiration date.