• Westlake average price/book ratio for 2023 was 1.44, a 11.63% increase from 2022.
• Westlake average price/book ratio for 2022 was 1.29, a 12.84% increase from 2021.
• Westlake average price/book ratio for 2021 was 1.48, a 34.55% decline from 2020.

Price/book ratio can be defined as