Biogen Inc. (BIIB)

Last Closing Price: 219.88 (2026-10-02)

Implied Volatility (Puts) (90-Day)

Implied Volatility (Puts): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money put options with the relevant expiration date.

Biogen Inc. (BIIB) had 90-Day Implied Volatility (Puts) of 0.3605 for 2026-10-02.