23.81K calls and 18.69K puts traded on Nov 4, 2026, 42.5K contracts in total. Open interest was 255.27K contracts. Over the past 30 days, volume averaged 26.75K contracts per day. The CAT option volume chart shows volume by strike and expiration date.

Caterpillar IV rank is 42, so its 30-day implied volatility of 40.1% is near the middle of its one-year range. Over the past year it ranged from 28.3% on Dec 5, 2025 to 56.1% on Jul 20, 2026. See the CAT implied volatility history for a longer view.

The Caterpillar put/call volume ratio was 0.78 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.95. The CAT open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Caterpillar options about one week from expiration was $652.14, 10.3% above the $591.23 close. The CAT max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 49.4%, options price a move of about ±$40.46 (±6.8%) over the next week, a range of roughly $550.77 to $631.69 from the Nov 4, 2026 close. The CAT expected move chart shows it for every expiration date.