ILMN Unusual Option Activity
Illumina Inc (ILMN) option volume on Nov 4, 2026 was 5.0% of open interest, below the 20-day average of 5.9%. Calls made up 47.9% of the volume.
ILMN Unusual Options FAQ
What makes option activity unusual?
Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.
Is ILMN seeing unusual options activity?
On Nov 4, 2026, Illumina options traded 1.37K contracts against 27.56K open, a volume to open interest ratio of 0.05, below its 20-day average. The table above lists the contracts with the highest ratios.
Are ILMN traders trading more calls or puts?
Calls made up 47.9% of Illumina option volume on Nov 4, 2026, a put/call ratio of 1.09, so puts outnumber calls. The ILMN option volume chart shows calls and puts by strike.
What is Illumina Inc?
Illumina provides tools and services to analyze genetic material with life science and clinical lab applications.