499 calls and 405 puts traded on Nov 4, 2026, 904 contracts in total. Open interest was 44.09K contracts. Over the past 30 days, volume averaged 1.43K contracts per day. The ADP option volume chart shows volume by strike and expiration date.

Automatic Data Processing IV rank is 41, so its 30-day implied volatility of 26.2% is near the middle of its one-year range. Over the past year it ranged from 17.9% on Dec 3, 2025 to 38.0% on Apr 1, 2026. See the ADP implied volatility history for a longer view.

The Automatic Data Processing put/call volume ratio was 0.81 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.95. The ADP open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Automatic Data Processing options about one week from expiration was $281.43, 7.3% below the $303.61 close. The ADP max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 30.8%, options price a move of about ±$12.94 (±4.3%) over the next week, a range of roughly $290.67 to $316.55 from the Nov 4, 2026 close. The ADP expected move chart shows it for every expiration date.