Biogen Inc. (BIIB)

Last Closing Price: 143.32 (2025-09-15)

Forward Price (150-Day)

Forward Price: The price at which a synthetic long stock position (i.e., buying an at-the-money call and selling an at-the-money put) would break even at expiration.

Biogen Inc. (BIIB) had 150-Day Forward Price of 145.71 for 2025-09-15.