152 calls and 124 puts traded on Nov 4, 2026, 276 contracts in total. Open interest was 10.87K contracts. Over the past 30 days, volume averaged 778 contracts per day. The CASY option volume chart shows volume by strike and expiration date.

Casey's General Stores IV rank is 20, so its 30-day implied volatility of 41.5% is in the lower part of its one-year range. Over the past year it ranged from 21.9% on Dec 23, 2025 to 119.8% on Oct 16, 2026. See the CASY implied volatility history for a longer view.

The Casey's General Stores put/call volume ratio was 0.82 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 1.00. The CASY open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Casey's General Stores options about one week from expiration was $664.95, 1.4% below the $674.70 close. The CASY max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 39.5%, options price a move of about ±$36.90 (±5.5%) over the next week, a range of roughly $637.80 to $711.60 from the Nov 4, 2026 close. The CASY expected move chart shows it for every expiration date.