97 calls and 23 puts traded on Nov 4, 2026, 120 contracts in total. Open interest was 14.29K contracts. Over the past 30 days, volume averaged 419 contracts per day. The RHI option volume chart shows volume by strike and expiration date.

Robert Half IV rank is 11, so its 30-day implied volatility of 47.7% is near the bottom of its one-year range. Over the past year it ranged from 29.2% on Jan 2, 2026 to 192.4% on Oct 16, 2026. See the RHI implied volatility history for a longer view.

The Robert Half put/call volume ratio was 0.24 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.86. The RHI open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Robert Half options about one week from expiration was $40.22, 10.5% below the $44.93 close. The RHI max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 48.6%, options price a move of about ±$3.02 (±6.7%) over the next week, a range of roughly $41.91 to $47.95 from the Nov 4, 2026 close. The RHI expected move chart shows it for every expiration date.