Pacific Biosciences of California Inc (PACB) options traded 926 contracts on Nov 4, 2026, well below the 20-day average of 5.23K. Calls made up 84.0% of the volume, a put/call ratio of 0.19.
Option Volume by Strike
Showing results for PACB, 2026-11-20(m), calls & puts
Option Volume Stats
Showing results for PACB, 2026-11-20(m), calls & puts
| Call Volume | |
|---|---|
| Put Volume | |
| Volume Total | |
| Put-Call Volume Ratio |
Highest Volume Options
Showing results for PACB, 2026-11-20(m), calls & puts
Option Volume Total by Expiry
Showing results for PACB, 2026-11-20(m), calls & puts. View all expiries
Option Volume History
Showing daily totals for PACB, all expirations, calls & puts. View full history
PACB Option Volume FAQ
What is option volume?
Option volume is the number of option contracts traded during a session. It resets at the start of each trading day.
How many PACB options traded on Nov 4, 2026?
778 calls and 148 puts traded on Nov 4, 2026, 926 contracts in total.
Is PACB option volume higher than usual?
Volume on Nov 4, 2026 was well below the 20-day average of 5.23K contracts. The busiest of the last 20 sessions was Oct 28, 2026, with 23.18K contracts. The 30-day average is 8.26K. See the PACB option volume history for a longer view.
What is the PACB put/call volume ratio?
The Pacific Biosciences of California put/call volume ratio was 0.19 on Nov 4, 2026. Over the last 20 sessions it averaged 0.38, so calls outnumber puts over that stretch.
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.