• Clean Harbors average price/book ratio for 2023 was 4.11, a 26.07% increase from 2022.
• Clean Harbors average price/book ratio for 2022 was 3.26, a 9.7% increase from 2021.
• Clean Harbors average price/book ratio for 2021 was 3.61, a 37.26% decline from 2020.

Price/book ratio can be defined as