Clean Harbors, Inc. (CLH) Key Metrics

NYSE: CLHValuation, returns, debt and efficiency ratios over 10 years.

CLH valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$16.90B
Enterprise value
$19.05B
P/E (TTM)
38.8
10-yr median 31.0
Forward P/E
34.5
PEG ratio
0.27
Price / sales
2.7
10-yr median 1.4
Price / book
5.6
10-yr median 3.4
EV / EBITDA
15.6
10-yr median 11.5
Dividend yield
—
Beta
0.88

CLH key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

CLH valuation Price multiples at each fiscal year-end price.

P/E ratio+3.3%
32.0
2025 · hover or tap a bar for each year
2017: 30.82018: 42.4 (+37.6%)2019: 49.2 (+16.2%)2020: 31.4 (−36.2%)2021: 26.9 (−14.5%)2022: 15.1 (−43.8%)2023: 25.1 (+66.3%)2024: 31.0 (+23.4%)2025: 32.0 (+3.3%)
20162025
Price / sales−2.0%
2.1
2025 · hover or tap a bar for each year
2016: 1.2 (+56.4%)2017: 1.1 (−9.4%)2018: 0.8 (−20.0%)2019: 1.4 (+67.4%)2020: 1.3 (−4.4%)2021: 1.4 (+6.5%)2022: 1.2 (−16.2%)2023: 1.8 (+45.8%)2024: 2.1 (+20.7%)2025: 2.1 (−2.0%)
20162025
Price / book−5.9%
4.6
2025 · hover or tap a bar for each year
2016: 3.0 (+33.0%)2017: 2.6 (−11.6%)2018: 2.4 (−8.9%)2019: 3.8 (+59.5%)2020: 3.2 (−16.7%)2021: 3.6 (+14.2%)2022: 3.2 (−10.4%)2023: 4.2 (+30.5%)2024: 4.8 (+14.8%)2025: 4.6 (−5.9%)
20162025
EV / EBITDA−1.9%
13.3
2025 · hover or tap a bar for each year
2016: 12.4 (+49.6%)2017: 10.1 (−19.0%)2018: 8.5 (−15.1%)2019: 11.5 (+34.8%)2020: 9.9 (−14.2%)2021: 11.8 (+19.2%)2022: 8.3 (−29.7%)2023: 11.5 (+39.6%)2024: 13.5 (+17.1%)2025: 13.3 (−1.9%)
20162025
Price / free cash flow−20.9%
28.6
2025 · hover or tap a bar for each year
2016: 85.6 (+370.8%)2017: 26.5 (−69.1%)2018: 15.9 (−40.1%)2019: 24.9 (+57.2%)2020: 18.2 (−26.9%)2021: 18.2 (−0.3%)2022: 22.3 (+22.4%)2023: 30.7 (+37.6%)2024: 36.1 (+17.8%)2025: 28.6 (−20.9%)
20162025
Free cash flow yield+0.7 pts
3.5%
2025 · hover or tap a bar for each year
2016: 1.2% (−4.3 pts)2017: 3.8% (+2.6 pts)2018: 6.3% (+2.5 pts)2019: 4.0% (−2.3 pts)2020: 5.5% (+1.5 pts)2021: 5.5% (0.0 pts)2022: 4.5% (−1.0 pts)2023: 3.3% (−1.2 pts)2024: 2.8% (−0.5 pts)2025: 3.5% (+0.7 pts)
20162025

CLH valuation history

Fiscal year-endToday10-year median

CLH returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

CLH debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

CLH cash returned to shareholders

DividendsBuybacksFree cash flow

CLH price vs earnings per share

Share price at year-endEPS (right axis)

CLH key metrics

2016–2025
Clean Harbors, Inc. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$12.52B$12.47B$9.49B$6.22B$5.46B$4.24B$4.81B$2.78B$3.10B$3.20B
Enterprise value$15.01B$14.72B$11.43B$8.26B$7.63B$5.38B$6.12B$4.07B$4.37B$4.72B
P/E ratio32.031.025.115.126.931.449.242.430.8—
Price / sales2.12.11.81.21.41.31.40.81.11.2
Price / book4.64.84.23.23.63.23.82.42.63.0
Price / free cash flow28.636.130.722.318.218.224.915.926.585.6
Price / operating cash flow14.416.012.99.910.09.811.67.410.912.3
EV / sales2.52.52.11.62.01.71.81.21.51.7
EV / EBITDA13.313.511.58.311.89.911.58.510.112.4
EV / free cash flow34.342.636.929.625.423.131.723.337.3126.1
Earnings yield3.1%3.2%4.0%6.6%3.7%3.2%2.0%2.4%3.2%−1.2%
Free cash flow yield3.5%2.8%3.3%4.5%5.5%5.5%4.0%6.3%3.8%1.2%
Dividend yield————————0.0%0.0%
Shareholder yield (dividends + buybacks)2.0%0.4%0.5%0.8%1.0%1.8%0.4%1.6%1.6%0.7%
Share price at fiscal year-end$234.48$230.14$174.51$114.12$99.77$76.10$85.75$49.35$54.20$55.65
Per share
Revenue per share$112.98$108.67$99.47$94.82$69.49$56.46$60.79$58.58$51.49$47.89
Earnings per share$7.32$7.42$6.95$7.56$3.71$2.42$1.74$1.16$1.76−$0.69
Operating cash flow per share$16.24$14.35$13.51$11.49$9.97$7.73$7.36$6.62$4.99$4.51
Free cash flow per share$8.21$6.38$5.69$5.12$5.48$4.17$3.44$3.11$2.05$0.65
Cash per share$17.87$14.57$10.13$10.18$9.76$10.25$7.38$4.96$6.25$5.34
Book value per share$51.43$47.48$41.33$35.28$27.65$24.09$22.62$20.76$20.77$18.85
Tangible book value per share$11.49$7.28$6.56$1.00−$6.54$7.68$5.80$3.79$4.21$2.09
Dividends per share————————$0.00$0.00
Capex per share$8.03$7.98$7.81$6.37$4.49$3.56$3.92$3.51$2.95$3.86
Debt per share$64.62$56.10$45.79$47.60$49.31$30.67$30.71$27.91$28.49$31.70
Shares outstanding53.4M54.2M54.4M54.5M54.8M55.7M56.1M56.3M57.2M57.5M
Change in shares outstanding−1.5%−0.3%−0.2%−0.5%−1.7%−0.8%−0.4%−1.5%−0.6%−1.5%
Returns & profitability
Return on equity (ROE)14.7%16.7%18.1%24.0%14.2%10.3%8.0%5.6%8.9%−3.7%
Return on invested capital (ROIC)9.9%11.2%11.3%12.7%8.5%7.7%6.0%5.2%5.0%1.4%
Return on assets (ROA)5.2%5.8%6.0%7.0%4.2%3.3%2.5%1.8%2.7%−1.1%
Return on tangible assets7.1%7.7%8.4%9.7%5.4%4.2%3.1%2.4%3.7%−1.5%
Free cash flow margin7.3%5.9%5.7%5.4%7.9%7.4%5.7%5.3%4.0%1.4%
Income quality (OCF / net income)2.221.931.941.522.693.194.235.692.84—
Financial health
Total debt$3.45B$3.04B$2.49B$2.59B$2.70B$1.71B$1.72B$1.57B$1.63B$1.82B
Cash & short-term investments$953.7M$789.8M$550.8M$554.6M$534.3M$571.0M$414.4M$279.4M$357.6M$307.0M
Net debt$2.50B$2.25B$1.94B$2.04B$2.17B$1.14B$1.31B$1.29B$1.27B$1.52B
Debt / equity1.261.181.111.351.781.271.361.341.371.68
Debt / assets0.450.410.390.420.480.410.420.420.440.50
Net debt / EBITDA2.202.071.962.043.342.092.462.712.933.99
Current ratio2.332.211.981.991.882.401.952.002.292.17
Quick ratio2.001.861.661.681.612.051.651.661.941.81
Interest coverage4.04.35.15.74.43.32.82.21.50.8
Working capital$1.51B$1.33B$1.01B$1.01B$815.9M$889.6M$680.8M$599.9M$650.2M$588.2M
Invested capital$5.24B$4.82B$4.19B$3.96B$3.68B$2.48B$2.58B$2.46B$2.46B$2.60B
Tangible asset value$613.6M$394.3M$357.0M$54.7M−$358.1M$427.9M$325.7M$213.7M$240.6M$120.4M
Net current asset value−$2.23B−$2.37B−$2.08B−$2.17B−$2.40B−$1.26B−$1.44B−$1.37B−$1.36B−$1.50B
Graham number$92.06$89.05$80.38$77.45$48.05$36.23$29.77$23.33$28.69—
Graham net-net per share−$53.11−$54.22−$47.86−$49.31−$51.39−$28.88−$31.92−$30.05−$28.83−$31.32
Capital allocation
Dividends paid————————$0$0
Share buybacks (net)$250.0M$55.2M$51.2M$50.2M$54.4M$74.8M$21.4M$45.1M$49.0M$22.2M
Dividend payout ratio————————0.0%—
Dividends + buybacks / free cash flow57.1%16.0%16.5%18.0%18.1%32.2%11.1%25.7%41.8%59.3%
Capex / revenue7.1%7.3%7.9%6.7%6.5%6.3%6.5%6.0%5.7%8.1%
Capex / operating cash flow49.4%55.6%57.9%55.4%45.0%46.0%53.3%53.1%59.0%85.6%
Capex / depreciation0.961.081.161.000.820.680.730.660.580.77
Stock-based compensation / revenue0.5%0.5%0.4%0.5%0.5%0.6%0.5%0.5%0.4%0.4%
SG&A / revenue12.5%12.6%12.4%12.1%14.1%14.3%14.2%15.3%15.5%15.3%
Efficiency
Days sales outstanding72.170.373.069.274.679.472.967.868.069.8
Days of inventory on hand32.532.031.829.632.937.231.729.731.431.0
Days payables outstanding42.742.243.841.538.942.243.939.640.144.4
Cash conversion cycle (days)61.960.161.057.368.774.460.657.959.256.4
Receivables turnover5.065.195.005.274.894.605.015.385.375.23
Payables turnover8.558.668.348.799.398.658.319.219.098.21
Inventory turnover11.2411.4211.4812.3111.089.8211.5312.2811.6411.79
Asset turnover0.800.860.860.880.780.760.870.890.800.77
Average receivables$1.19B$1.13B$1.08B$979.7M$777.5M$684.1M$681.4M$613.3M$548.6M$527.2M
Average payables$496.9M$469.5M$449.2M$403.2M$277.9M$247.1M$287.4M$250.3M$226.9M$235.4M
Average inventory$378.4M$356.1M$326.3M$287.8M$235.6M$217.6M$207.1M$187.7M$177.2M$164.0M
Intangibles / total assets28.0%29.5%29.6%30.5%33.1%22.1%23.0%25.6%25.6%26.2%

Computed from CLH's annual financial statements (latest annual report filed February 18, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

CLH valuation and financial ratios

At the end of fiscal 2025 (December 31, 2025), Clean Harbors traded at 32.0 times earnings, against a 10-year median of 31.0. Based on the latest twelve months, the trailing P/E is 38.8 and the forward P/E is 34.5. Clean Harbors earned a return on equity of 14.7% and a return on invested capital of 9.9% in fiscal 2025. It ended the year with $3.4 billion of debt and $953.7 million in cash and short-term investments, net debt of $2.5 billion. It returned $250.0 million to shareholders: $0 in dividends and $250.0 million in share buybacks, 57% of free cash flow. The share count fell 7.2% from 57.5M to 53.4M over 9 years.

See the CLH income statement, the CLH chart for price history, or the CLH stock overview for the latest quote and news.

CLH key metrics FAQ

What is Clean Harbors's P/E ratio?

Clean Harbors's trailing P/E ratio is 38.8 based on the last twelve months of earnings (as of October 18, 2026), and its forward P/E is 34.5. At the end of fiscal 2025 it was 32.0, compared with a 10-year median of 31.0.

What is Clean Harbors's EV/EBITDA?

Clean Harbors's enterprise value was 13.3 times EBITDA at the end of fiscal 2025 (enterprise value $15.0 billion, EBITDA $1.1 billion); the current EV/EBITDA is 15.6.

What is Clean Harbors's return on equity?

Clean Harbors's return on equity (ROE) was 14.7% in fiscal 2025: net income of $391.0 million on average shareholders' equity of $2.7 billion.

What is Clean Harbors's ROIC?

Clean Harbors's return on invested capital was 9.9% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Clean Harbors have?

Clean Harbors had total debt of $3.4 billion at the end of fiscal 2025, a debt-to-equity ratio of 1.26 and $2.5 billion of net debt (2.20 times EBITDA).

Does Clean Harbors buy back its shares?

Yes. Clean Harbors spent $250.0 million on net share repurchases in fiscal 2025 Shares outstanding changed −1.5% over the year, to 53.4M..

What is Clean Harbors's free cash flow yield?

Clean Harbors generated $438.2 million of free cash flow in fiscal 2025, a free cash flow yield of 3.5% on its market value at year-end ($12.5 billion).

What is Clean Harbors's current ratio?

Clean Harbors's current ratio was 2.33 at the end of fiscal 2025: current assets were 2.33 times current liabilities.

Waste Management key metrics