3 calls and 17 puts traded on Nov 4, 2026, 20 contracts in total. Open interest was 574 contracts. Over the past 30 days, volume averaged 9 contracts per day. The KEX option volume chart shows volume by strike and expiration date.

Kirby IV rank is 7, so its 30-day implied volatility of 32.2% is near the bottom of its one-year range. Over the past year it ranged from 21.4% on Aug 26, 2026 to 178.3% on Jul 17, 2026. See the KEX implied volatility history for a longer view.

The Kirby put/call volume ratio was 5.67 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.16. The KEX open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Kirby options about one week from expiration was $132.37, 3.4% above the $128.06 close. The KEX max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 33.4%, options price a move of about ±$5.92 (±4.6%) over the next week, a range of roughly $122.14 to $133.98 from the Nov 4, 2026 close. The KEX expected move chart shows it for every expiration date.