• Kirby average price/book ratio for 2023 was 1.46, a 11.45% increase from 2022.
• Kirby average price/book ratio for 2022 was 1.31, a 13.91% increase from 2021.
• Kirby average price/book ratio for 2021 was 1.15, a 26.37% increase from 2020.

Price/book ratio can be defined as