PACB Unusual Option Activity
Pacific Biosciences of California Inc (PACB) option volume on Nov 4, 2026 was 0.4% of open interest, well below the 20-day average of 2.6%. Calls made up 84.0% of the volume.
PACB 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 PACB seeing unusual options activity?
On Nov 4, 2026, Pacific Biosciences of California options traded 926 contracts against 234.64K open, a volume to open interest ratio of 0.00, well below its 20-day average. The table above lists the contracts with the highest ratios.
Are PACB traders trading more calls or puts?
Calls made up 84.0% of Pacific Biosciences of California option volume on Nov 4, 2026, a put/call ratio of 0.19, so calls outnumber puts. The PACB option volume chart shows calls and puts by strike.
What is Pacific Biosciences of California Inc?
Pacific Biosciences of California Inc is a biotechnology company focused on designing, developing, and manufacturing sequencing solutions that enable scientists and clinical researchers to improve their understanding of the genome and ultimately, resolve genetically complex problems.