• Omnicom Group average price/book ratio for 2023 was 4.41, a 10.25% decline from 2022.
• Omnicom Group average price/book ratio for 2022 was 4, a 4.99% increase from 2021.
• Omnicom Group average price/book ratio for 2021 was 3.81, a 15.45% increase from 2020.

Price/book ratio can be defined as