Biogen Inc. (BIIB)

Last Closing Price: 134.46 (2025-07-08)

Historical Volatility (Close-to-Close) (60-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

Biogen Inc. (BIIB) had 60-Day Historical Volatility (Close-to-Close) of 0.3130 for 2025-07-08.