West Pharmaceutical Services Inc (WST) options traded 796 contracts on Nov 4, 2026, well above the 20-day average of 298. Calls made up 56.4% of the volume, a put/call ratio of 0.77.
Option Volume by Strike
Showing results for WST, 2026-11-20(m), calls & puts
Option Volume Stats
Showing results for WST, 2026-11-20(m), calls & puts
| Call Volume | |
|---|---|
| Put Volume | |
| Volume Total | |
| Put-Call Volume Ratio |
Highest Volume Options
Showing results for WST, 2026-11-20(m), calls & puts
Option Volume Total by Expiry
Showing results for WST, 2026-11-20(m), calls & puts. View all expiries
Option Volume History
Showing daily totals for WST, all expirations, calls & puts. View full history
WST 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 WST options traded on Nov 4, 2026?
449 calls and 347 puts traded on Nov 4, 2026, 796 contracts in total.
Is WST option volume higher than usual?
Volume on Nov 4, 2026 was well above the 20-day average of 298 contracts. The busiest of the last 20 sessions was Oct 29, 2026, with 1.1K contracts. The 30-day average is 314. See the WST option volume history for a longer view.
What is the WST put/call volume ratio?
The West Pharmaceutical Services put/call volume ratio was 0.77 on Nov 4, 2026. Over the last 20 sessions it averaged 1.19, so puts outnumber calls over that stretch.
What is West Pharmaceutical Services Inc?
West Pharmaceutical Services is based in Pennsylvania and is a key supplier to firms in the pharmaceutical, biotechnology, and generic drug industries.