Clean Harbors Inc (CLH) stock analysis
Close on Nov 12, 2026Market cap $15.49BP/E 29.5Yield –
StockData Score
Prices as of Nov 11, 2026How the score works
Mixed14 of 30 checks passed
Clean Harbors passes 14 of the 30 checks behind our score; 6 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.
- Valuation
- 0/6
- Growth
- 4/6
- Past performance
- 6/6
- Financial health
- 4/6
- Dividend
- 0/6
What stands out
Return on equity over 15%
Return on equity was 17.9% over the last twelve months and averaged 17.5% over five years.
Return on capital over 10%
Return on invested capital was 12.5%, above the 10% that usually covers the cost of capital.
Earnings grew over 5 years
Net income grew 23.7% a year on average over the last five fiscal years.
Earnings growth accelerating
Net income grew 36.0% over the last twelve months, against a 5-year average of 23.7% a year.
What to watch
Margin of safety under 20%
The price is 24.2% above fair value, so there is no margin of safety.
Trading above fair value
The share price of $290.02 is above our fair value estimate of $233.42.
High debt
Debt is 92.7% of shareholders' equity, above the 40% we consider low.
Revenue growing under 10% a year
Revenue grew 5.3% a year over the last three fiscal years, short of the 10% we look for.
Valuation0/6
P/E above its 5-year median
Clean Harbors's P/E of 29.1 is above its own 5-year median of 29.0.
P/E above the industry
Clean Harbors's P/E of 29.1 is above the Electric, Gas, and Sanitary Services median of 20.2.
EV/EBITDA above its 5-year median
Clean Harbors's EV/EBITDA of 13.3 is above its 5-year median of 12.3.
P/B above the industry
Clean Harbors's price-to-book of 4.91 is above the Electric, Gas, and Sanitary Services median of 3.97.
Trading above fair value
The share price of $290.02 is above our fair value estimate of $233.42.
Margin of safety under 20%
The price is 24.2% above fair value, so there is no margin of safety.
Growth4/6
Revenue growing under 10% a year
Revenue grew 5.3% a year over the last three fiscal years, short of the 10% we look for.
EPS growing under 10% a year
Diluted EPS grew -1.3% a year over the last three fiscal years.
Earnings growth accelerating
Net income grew 36.0% over the last twelve months, against a 5-year average of 23.7% a year.
Growing faster than the industry
Revenue grew 10.1% over the last twelve months; the Electric, Gas, and Sanitary Services median is 5.5%.
Guidance raised
Clean Harbors raised its full year net cash from operating activities outlook on Oct 28, 2026.
Gross margin improving
Gross margin was 33.1% over the last twelve months, against 31.1% a year earlier.
Past performance6/6
Return on equity over 15%
Return on equity was 17.9% over the last twelve months and averaged 17.5% over five years.
Return on capital over 10%
Return on invested capital was 12.5%, above the 10% that usually covers the cost of capital.
Return on equity above the industry
Clean Harbors's return on equity of 17.9% is above the Electric, Gas, and Sanitary Services median of -16.5%.
Earnings grew over 5 years
Net income grew 23.7% a year on average over the last five fiscal years.
Net margin above its 5-year average
Net margin was 8.0% over the last twelve months, against a 5-year average of 6.7%.
Net margin above the industry
Clean Harbors's net margin of 8.0% is above the Electric, Gas, and Sanitary Services median of -6.7%.
Financial health4/6
High debt
Debt is 92.7% of shareholders' equity, above the 40% we consider low.
Debt falling against equity
Debt to equity fell from 116% five years ago to 92.7%.
Debt covered by cash flow
Operating cash flow over the last twelve months equals 35.3% of total debt.
Interest coverage
Interest expense is not reported separately.
Short-term assets cover short-term debts
Current assets are 1.95 times current liabilities.
Low bankruptcy risk
The Altman Z-score is 3.63; above 3 is the safe zone and below 1.8 the distress zone.
Dividend0/6
No dividend
Clean Harbors has not paid a dividend in the last twelve months.
Yield against Treasuries
No dividend.
Yield against the market
No dividend.
Dividend stability
No dividend.
Earnings cover
No dividend.
Cash-flow cover
No dividend.
Fair value
How we estimate itOur estimate per share
$233.42
The share price is 24% above this estimate.
| Method | Multiple used | Own 5Y median | Industry median | Value per share | Weight |
|---|---|---|---|---|---|
| P/E | 24.6× | 29.0× | 20.2× | $245.49 | 40% |
| EV/EBITDA | 12.8× | 12.3× | 13.3× | $277.06 | 35% |
| P/B | 4.2× | 4.5× | 4.0× | $250.86 | 10% |
| Earnings power | 8.5% cost of equity | – | – | $87.80 | 15% |
| Fair value | $233.42 | 100% | |||
Valuation over time
Using the earnings and balance sheet published at each date, not today's.
- P/E at month end
- Own 5-year median 29.0
- Electric, Gas, and Sanitary Services median 20.2
An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.
Market risk
From the past year of daily prices.
Liquidity
Low risk
- Average value traded per day
- $170.16M
- Value traded per 1% price move
- $156.27M
Downside
Low risk
- Typical loss in a bad month
- 9.8%
- Volatility (annualized)
- 25%
- Sharpe ratio, 1 year
- 1.42
- Beta to the S&P 500 (5Y)
- 0.73
Typical bad-month loss, week by week
Margins
Share of revenue, fiscal years 2011 to 2025
Gross margin
Operating margin
Net margin
Growth rates
Compound annual growth to fiscal 2025
| Per year | 1 year | 3 years | 5 years | 10 years | Five-year pace |
|---|---|---|---|---|---|
| Revenue | +2.4% | +5.3% | +13.9% | +6.3% | |
| Gross profit | +3.4% | +5.1% | +13.4% | +7.5% | |
| Operating income | +0.5% | +2.0% | +21.8% | +13.6% | |
| Net income | -2.8% | -1.7% | +23.7% | – | |
| EPS, diluted | -1.9% | -1.3% | +24.6% | +25.4% | |
| Free cash flow | +27.9% | +16.3% | +13.5% | +12.2% |
Returns and balance sheet
10 fiscal years. Hover a measure to see how it is calculated.
| Measure | FY2016 | FY2020 | FY2025 | Trend |
|---|---|---|---|---|
| Return on equity | -3.7% | 10.3% | 14.7% | |
| Return on assets | -1.1% | 3.3% | 5.2% | |
| Current ratio | 2.17 | 2.40 | 2.33 | |
| Debt to equity | 1.51 | 1.16 | 1.01 | |
| Net debt to EBITDA | 3.72× | 1.91× | 1.74× | |
| Inventory turnover | – | 9.8× | 11.0× | |
| Capex to revenue | 8.0% | 6.2% | 7.0% | |
| Diluted shares | 58M | 56M | 54M |
Where the cash went
Fiscal 2021 to 2025, five years combined
Clean Harbors generated $3.55B from operations and spent $2.33B on capital expenditure, dividends and share buybacks. 80% of that went back into the business.
DuPont analysis
Return on equity split into margin, efficiency and leverage
| Fiscal year | Net margin | Asset turnover | Equity multiplier | Return on equity |
|---|---|---|---|---|
| FY2025 | 6.5% | 0.80× | 2.82× | 14.7% |
| FY2024 | 6.8% | 0.86× | 2.85× | 16.7% |
| FY2023 | 7.0% | 0.86× | 3.00× | 18.1% |
| FY2022 | 8.0% | 0.88× | 3.43× | 24.0% |
| FY2021 | 5.3% | 0.78× | 3.43× | 14.2% |
| FY2020 | 4.3% | 0.76× | 3.16× | 10.3% |
| FY2019 | 2.9% | 0.87× | 3.22× | 8.0% |
| FY2018 | 2.0% | 0.89× | 3.16× | 5.6% |
| FY2017 | 3.4% | 0.80× | 3.25× | 8.9% |
| FY2016 | -1.4% | 0.77× | 3.26× | -3.7% |
Piotroski F-Score
Nine tests of profitability, balance sheet and efficiency, fiscal 2025 against fiscal 2024
- ProfitableNet income above zero$390.97M
- Cash generatingOperating cash flow above zero$866.73M
- Return on assets improvedROA up on the prior year6.3% → 5.3%
- Earnings backed by cashOperating cash flow above net income$866.73M vs $390.97M
- Less leverageLong-term debt to assets fell37.6% → 36.2%
- Better liquidityCurrent ratio rose2.21 → 2.33
- No dilutionShare count did not rise54M → 54M
- Gross margin improvedGross margin up on the prior year30.97% → 31.28%
- More efficientAsset turnover rose0.92 → 0.82
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