199 calls and 32 puts traded on Nov 4, 2026, 231 contracts in total. Open interest was 17.92K contracts. Over the past 30 days, volume averaged 630 contracts per day. The PCAR option volume chart shows volume by strike and expiration date.

Paccar IV rank is 12, so its 30-day implied volatility of 27.3% is near the bottom of its one-year range. Over the past year it ranged from 12.5% on Jan 6, 2026 to 132.8% on Oct 16, 2026. See the PCAR implied volatility history for a longer view.

The Paccar put/call volume ratio was 0.16 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.76. The PCAR open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Paccar options about one week from expiration was $120.63, 13.6% above the $106.15 close. The PCAR max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 27.8%, options price a move of about ±$4.09 (±3.9%) over the next week, a range of roughly $102.06 to $110.24 from the Nov 4, 2026 close. The PCAR expected move chart shows it for every expiration date.