• Biogen average price/book ratio for 2024 was 1.97, a 27.57% decline from 2023.
• Biogen average price/book ratio for 2023 was 2.72, a 3.55% decline from 2022.
• Biogen average price/book ratio for 2022 was 2.82, a 27.69% decline from 2021.

Price/book ratio can be defined as