Biogen (BIIB) options

BIIB options today: flow, premium by expiry, open interest by strike, implied volatility and dealer gamma.

• BIIB options traded $801.52K in premium on 2026-11-02: $510.12K in calls and $291.40K in puts, a net bearish lean of $801.52K.
• Put/call ratio 0.57.
• Options price a move of about ±$12.63 by 2026-11-06.

Updated 2026-11-02 20:16 UTC