Biogen Inc. (BIIB)

Last Closing Price: 217.15 (2026-09-11)

Forward Price (10-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 10-Day Forward Price of 217.55 for 2026-09-11.