Biogen Inc (BIIB) options traded 2.63K contracts on Nov 4, 2026, below the 20-day average of 3.12K. Calls made up 63.8% of the volume, a put/call ratio of 0.57.
Option Volume by Strike
Showing results for BIIB, 2026-11-06(w), calls & puts
Option Volume Stats
Showing results for BIIB, 2026-11-06(w), calls & puts
| Call Volume | |
|---|---|
| Put Volume | |
| Volume Total | |
| Put-Call Volume Ratio |
Highest Volume Options
Showing results for BIIB, 2026-11-06(w), calls & puts
Option Volume Total by Expiry
Showing results for BIIB, 2026-11-06(w), calls & puts. View all expiries
Option Volume History
Showing daily totals for BIIB, all expirations, calls & puts. View full history
BIIB 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 BIIB options traded on Nov 4, 2026?
1.68K calls and 951 puts traded on Nov 4, 2026, 2.63K contracts in total.
Is BIIB option volume higher than usual?
Volume on Nov 4, 2026 was below the 20-day average of 3.12K contracts. The busiest of the last 20 sessions was Oct 28, 2026, with 11.01K contracts. The 30-day average is 2.93K. See the BIIB option volume history for a longer view.
What is the BIIB put/call volume ratio?
The Biogen put/call volume ratio was 0.57 on Nov 4, 2026. Over the last 20 sessions it averaged 1.07, so puts outnumber calls over that stretch.
What is Biogen Inc?
Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases.