657 calls and 715 puts traded on Nov 4, 2026, 1.37K contracts in total. Open interest was 27.56K contracts. Over the past 30 days, volume averaged 1.84K contracts per day. The ILMN option volume chart shows volume by strike and expiration date.

Illumina IV rank is 16, so its 30-day implied volatility of 60.0% is near the bottom of its one-year range. Over the past year it ranged from 36.3% on Nov 12, 2025 to 184.5% on Jul 17, 2026. See the ILMN implied volatility history for a longer view.

The Illumina put/call volume ratio was 1.09 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.79. The ILMN open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Illumina options about one week from expiration was $293.37, 29.4% above the $226.68 close. The ILMN max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 61.9%, options price a move of about ±$19.43 (±8.6%) over the next week, a range of roughly $207.25 to $246.11 from the Nov 4, 2026 close. The ILMN expected move chart shows it for every expiration date.