BIIB implied volatility

BIIB implied volatility: the term structure across expirations and the front expiry's smile by strike.

• BIIB options traded $894.09K in premium on 2026-11-02: $510.12K in calls and $383.97K in puts, a net bearish lean of $894.09K.
• Put/call ratio 0.75.
• Options price a move of about ±$12.25 by 2026-11-06.

Updated 2026-11-03 13:35 UTC