25 calls and 0 puts traded on Nov 4, 2026, 25 contracts in total. Open interest was 912 contracts. Over the past 30 days, volume averaged 37 contracts per day. The KAI option volume chart shows volume by strike and expiration date.

Kadant IV rank is 5, so its 30-day implied volatility of 37.1% is near the bottom of its one-year range. Over the past year it ranged from 30.8% on Dec 24, 2025 to 159.9% on Jul 17, 2026. See the KAI implied volatility history for a longer view.

The Kadant put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 14.72. The KAI open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Kadant options about one week from expiration was $301.84, 2.3% below the $308.91 close. The KAI max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 39.2%, options price a move of about ±$16.76 (±5.4%) over the next week, a range of roughly $292.15 to $325.67 from the Nov 4, 2026 close. The KAI expected move chart shows it for every expiration date.