Clean HarborsCLH +0.20%87 PB Ratio is 5.70 as of Jun. 25, 2026, which is 61% above its 10-year median of 3.54. GuruFocus rates CLH with a GF Score™ of 87/100 and a GF Value™ of $243.43 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 230 Waste Management companies, Clean Harbors ranks worse than 90.87% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-06-25), Clean Harbors's share price is $299.39. Clean Harbors's Book Value per Share for the quarter that ended in Mar. 2026 was $52.53. Hence, Clean Harbors's PB Ratio of today is 5.70.
Warning Sign:
Clean Harbors Inc stock PB Ratio (=5.69) is close to 10-year high of 5.93.
The historical rank and industry rank for Clean Harbors's PB Ratio or its related term are showing as below:
CLH'
s PB Ratio Range Over the Past 10 Years
Min: 1.83 Med: 3.54 Max: 5.93
Current: 5.7
During the past 13 years, Clean Harbors's highest PB Ratio was 5.93. The lowest was 1.83. And the median was 3.54.
CLH's PB Ratio is ranked worse than 90.87% of 230
companies
in the Waste Management industry
Industry Median: 1.61
vs CLH: 5.70
During the past 12 months, Clean Harbors's average Book Value Per Share Growth Rate was 9.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 13.50% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 17.20% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 11.60% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Clean Harbors was 161.90% per year. The lowest was -43.70% per year. And the median was 8.20% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Clean Harbors PB Ratio Related Terms
Clean Harbors PB Ratio Historical Data
* Premium members only.
The historical data trend for Clean Harbors's PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Waste Management subindustry, Clean Harbors's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Clean Harbors PB Ratio vs Waste Management Industry
For the Waste Management industry and Industrials sector, Clean Harbors's PB Ratio distribution charts can be found below:
* The bar in red indicates where Clean Harbors's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Clean Harbors's PB Ratio for today is calculated as follows:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Clean Harbors (CLH) has a PB Ratio of 5.70 as of Jun. 25, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Clean Harbors and its competitors. This is 61% above median its historical median of 3.54. Over the past decade, Clean Harbors' PB Ratio has ranged from 1.83 to 5.93. According to the industry distribution chart, Clean Harbors ranks #209 out of 230 companies in the Waste Management industry, placing it in the top 90.9%.
Is Clean Harbors' PB Ratio too high?
Clean Harbors' current PB Ratio of 5.70 is 61% above median its 10-year median of 3.54. Over the past 10 years, this metric has ranged from a low of 1.83 to a high of 5.93. The Waste Management industry median PB Ratio is 1.61. Clean Harbors' value of 5.70 is 254% above this industry median. Based on the distribution chart, Clean Harbors ranks #209 out of 230 companies in the Waste Management industry, which is in the bottom quartile relative to peers. Overall, Clean Harbors has a GF Score™ of 87/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Clean Harbors' PB Ratio compare to GFL and CWST?
According to the Waste Management industry distribution chart, Clean Harbors ranks #209 out of 230 companies for PB Ratio. This places Clean Harbors in the lower half of its industry. The industry median PB Ratio is 1.61. Clean Harbors' value of 5.70 is 254% above this benchmark. Historically, Clean Harbors' own PB Ratio has ranged from 1.83 to 5.93 over the past decade. While the company's 10-year median is 3.54 vs. the industry median of 1.61, Clean Harbors has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Waste Management company?
The median PB Ratio among Waste Management companies is 1.61, based on 230 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Clean Harbors's current PB Ratio of 5.70 is 254% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Clean Harbors and its competitors. For the Waste Management industry, the median PB Ratio is 1.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Clean Harbors's current PB Ratio is 5.70, which is 61% above median its own 10-year median of 3.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Clean Harbors stock overvalued right now?
Based on GuruFocus' analysis, Clean Harbors (CLH) is currently considered Modestly Overvalued. The stock's GF Value™ is $243.43, compared to a current price of $299.39 — trading 23% above its estimated fair value. The current PB Ratio is 5.70, which is 61% above median its 10-year median of 3.54 and 254% above the Waste Management industry median of 1.61. Clean Harbors' overall GF Score™ is 87/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Clean Harbors (CLH), the current PB Ratio is 5.70 as of Jun. 25, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Clean Harbors (CLH) Overvalued in 2026?
Based on GuruFocus' analysis, Clean Harbors stock appears to be overvalued.
The current stock price of $299.39 is trading 23% above its estimated GF Value™ of $243.43.
GuruFocus considers Clean Harbors to be Modestly Overvalued.
Key valuation signals for CLH:
PB Ratio: 5.70 (61% above median its 10-year median of 3.54)
GF Value™: $243.43 vs. price of $299.39 (23% above fair value)
Industry Position: 254% above the Waste Management median (#209 of 230)
No single metric tells the full story. See the CLH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Clean Harbors Inc is an environmental and industrial services provider that provides parts cleaning and related environmental services to commercial, industrial, and automotive customers. Its business segments are Environmental Services and Safety-Kleen Sustainability Solutions. Environmental Services includes waste collection, transportation, treatment, recycling, and disposal, along with industrial maintenance services. Safety-Kleen Sustainability Solutions provides used oil collection and manufactures base oil, vacuum gas oil, and lubricants. The company generates the majority of its revenues from the Environmental Services segment and operates in the United States, with maximum revenue, and Canada.
87GF Score
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