420 calls and 103 puts traded on Nov 4, 2026, 523 contracts in total. Open interest was 4.35K contracts. Over the past 30 days, volume averaged 266 contracts per day. The IDXX option volume chart shows volume by strike and expiration date.

Idexx Laboratories IV rank is 5, so its 30-day implied volatility of 31.6% is near the bottom of its one-year range. Over the past year it ranged from 25.1% on Dec 19, 2025 to 149.9% on Oct 16, 2026. See the IDXX implied volatility history for a longer view.

The Idexx Laboratories put/call volume ratio was 0.25 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.80. The IDXX open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Idexx Laboratories options about one week from expiration was $573.67, 18.0% below the $699.30 close. The IDXX max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 31.9%, options price a move of about ±$30.93 (±4.4%) over the next week, a range of roughly $668.37 to $730.23 from the Nov 4, 2026 close. The IDXX expected move chart shows it for every expiration date.