1.15K calls and 1.5K puts traded on Nov 4, 2026, 2.65K contracts in total. Open interest was 30.85K contracts. Over the past 30 days, volume averaged 1.01K contracts per day. The CAH option volume chart shows volume by strike and expiration date.

Cardinal Health IV rank is 71, so its 30-day implied volatility of 35.3% is in the upper part of its one-year range. Over the past year it ranged from 20.6% on Dec 24, 2025 to 41.4% on Apr 29, 2026. See the CAH implied volatility history for a longer view.

The Cardinal Health put/call volume ratio was 1.31 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.72. The CAH open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Cardinal Health options about one week from expiration was $251.43, 4.1% below the $262.05 close. The CAH max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 61.1%, options price a move of about ±$22.19 (±8.5%) over the next week, a range of roughly $239.86 to $284.24 from the Nov 4, 2026 close. The CAH expected move chart shows it for every expiration date.