Prothena Corporation plc (PRTA) options traded 1 contracts on Nov 4, 2026, well below the 20-day average of 219. Calls made up 100.0% of the volume, a put/call ratio of 0.00.
Option Volume by Strike
Showing results for PRTA, 2026-11-20(m), calls & puts
Option Volume Stats
Showing results for PRTA, 2026-11-20(m), calls & puts
| Call Volume | |
|---|---|
| Put Volume | |
| Volume Total | |
| Put-Call Volume Ratio |
Highest Volume Options
Showing results for PRTA, 2026-11-20(m), calls & puts
Option Volume Total by Expiry
Showing results for PRTA, 2026-11-20(m), calls & puts. View all expiries
Option Volume History
Showing daily totals for PRTA, all expirations, calls & puts. View full history
PRTA 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 PRTA options traded on Nov 4, 2026?
1 calls and 0 puts traded on Nov 4, 2026, 1 contracts in total.
Is PRTA option volume higher than usual?
Volume on Nov 4, 2026 was well below the 20-day average of 219 contracts. The busiest of the last 20 sessions was Oct 12, 2026, with 1.34K contracts. The 30-day average is 205. See the PRTA option volume history for a longer view.
What is the PRTA put/call volume ratio?
The Prothena put/call volume ratio was 0.00 on Nov 4, 2026. Over the last 20 sessions it averaged 8.32, so puts outnumber calls over that stretch.
What is Prothena Corporation plc?
Prothena Corp PLC is a late-stage clinical biotechnology company that focuses on protein dysregulation and a pipeline of investigational therapeutics with the potential to change the course of devastating neurodegenerative and rare and peripheral amyloid diseases.