117 calls and 0 puts traded on Nov 4, 2026, 117 contracts in total. Open interest was 326 contracts. Over the past 30 days, volume averaged 18 contracts per day. The PRTS option volume chart shows volume by strike and expiration date.

CarParts IV rank is 6, so its 30-day implied volatility of 97.3% is near the bottom of its one-year range. Over the past year it ranged from 46.0% on May 26, 2026 to 882.6% on Dec 11, 2025. See the PRTS implied volatility history for a longer view.

The CarParts put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.11. The PRTS open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for CarParts options about one week from expiration was $7.65, close to the $7.62 close. The PRTS max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 102.0%, options price a move of about ±$1.08 (±14.1%) over the next week, a range of roughly $6.54 to $8.70 from the Nov 4, 2026 close. The PRTS expected move chart shows it for every expiration date.