CLH
Clean Harbors, Inc. Industrials - Waste Management Investor Relations →
Clean Harbors, Inc. (CLH) closed at $275.88 as of 2026-03-20, trading 46.1% above its 200-week moving average of $188.85. The stock is currently moving closer to the line, down from 53.8% last week. The 14-week RSI sits at 68, indicating neutral momentum.
Trading volume is running at 1.6x of its 14-week average, which is in the normal range. The balance between buying and selling volume (0.88 ratio) is neutral — neither side is clearly dominating.
Over the past 1951 weeks of data, CLH has crossed below its 200-week moving average 27 times. On average, these episodes lasted 25 weeks. Historically, investors who bought CLH at the start of these episodes saw an average one-year return of +29.9%.
With a market cap of $14.7 billion, CLH is a large-cap stock. The company generates a free cash flow yield of 2.4%. Return on equity stands at 14.7%. The stock trades at 5.3x book value.
Over the past 33.2 years, a hypothetical investment of $100 in CLH would have grown to $3678, compared to $2683 for the S&P 500. That represents an annualized return of 11.5% vs 10.4% for the index — confirming CLH as a market-beating investment and the kind of quality company where buying during 200-week moving average touches has historically been rewarded.
Free cash flow has been growing at a 16.2% compound annual rate, with 4 consecutive years of positive cash generation.
Business Health
Annual financials — how the underlying business has performed over the past several years.
Cash Flow Free cash flow & net income ($M)
Revenue Annual revenue ($M) — business growth proxy
Total Debt Balance sheet debt ($M)
ROIC Return on invested capital (%)
FCF Yield Free cash flow / market cap (%) — Yartseva signal
Gross Margin Pricing power & competitive moat (%)
Shares Outstanding Buybacks vs dilution (millions)
Growth of $100: CLH vs S&P 500
Monthly data normalized to $100 at start. Vertical dashed lines mark 200-week MA touches.
What Happens After CLH Crosses Below the Line?
Across 25 historical episodes, buying CLH when it crossed below its 200-week moving average produced an average return of +44.1% after 12 months (median +24.0%), compared to +11.1% for the S&P 500 over the same periods. 71% of those episodes were profitable after one year. After 24 months, the average return was +146.2% vs +19.3% for the index.
Each line shows $100 invested at the moment CLH crossed below its 200-week MA. Bold blue = stock average. Gray dashed = S&P 500 average over same periods.
Historical Touches
CLH has crossed below its 200-week MA 27 times with an average 1-year return of +29.9% after recovery.
| Crossed Below | Recovered | Weeks | Max Depth | 1-Year Return | Return Since Touch |
|---|---|---|---|---|---|
| Apr 1989 | Apr 1989 | 1 | 2.0% | -47.7% | +3295.4% |
| Aug 1989 | Apr 1991 | 86 | 69.2% | -70.1% | +3194.1% |
| Apr 1991 | Jun 1991 | 8 | 12.4% | -33.3% | +4227.5% |
| Sep 1991 | Sep 1991 | 1 | 0.9% | -23.6% | +4064.2% |
| Sep 1991 | Oct 1991 | 1 | 4.1% | -6.8% | +4185.5% |
| Nov 1991 | Oct 1992 | 48 | 38.1% | +15.5% | +4450.6% |
| Dec 1992 | Dec 1992 | 1 | 0.8% | -41.9% | +4646.3% |
| Jul 1993 | Jan 2000 | 339 | 76.3% | -33.7% | +5032.7% |
| Apr 2000 | Apr 2000 | 2 | 17.8% | +39.4% | +28377.9% |
| May 2000 | Jun 2000 | 6 | 13.4% | +45.7% | +31429.1% |
| Jul 2000 | Jul 2000 | 1 | 9.9% | +54.3% | +31429.1% |
| Nov 2000 | Feb 2001 | 10 | 11.9% | +82.1% | +30341.9% |
| Aug 2001 | Aug 2001 | 1 | 1.9% | +378.0% | +27488.0% |
| Aug 2003 | Nov 2003 | 12 | 40.4% | +130.0% | +11540.5% |
| Mar 2009 | Mar 2009 | 3 | 9.5% | +27.0% | +1125.3% |
| Apr 2009 | Apr 2009 | 1 | 1.9% | +19.9% | +1081.0% |
| Feb 2014 | Mar 2014 | 1 | 8.7% | +17.8% | +483.7% |
| Sep 2014 | Mar 2015 | 24 | 19.4% | -10.9% | +451.8% |
| Apr 2015 | May 2015 | 6 | 3.1% | -16.0% | +390.9% |
| Jun 2015 | Jul 2016 | 58 | 27.3% | -6.2% | +390.0% |
| Jul 2016 | Nov 2016 | 18 | 16.1% | +10.8% | +436.5% |
| Aug 2017 | Aug 2017 | 3 | 4.1% | +19.1% | +430.7% |
| Nov 2017 | Nov 2017 | 1 | 1.4% | +28.7% | +435.8% |
| Feb 2018 | May 2018 | 15 | 7.8% | +17.8% | +463.0% |
| Dec 2018 | Jan 2019 | 3 | 9.3% | +78.7% | +473.4% |
| Mar 2020 | Aug 2020 | 21 | 31.3% | +66.0% | +407.8% |
| Aug 2020 | Nov 2020 | 11 | 14.1% | +65.8% | +353.2% |
| Average | 25 | — | +29.9% | — |
Frequently Asked Questions
Is CLH below its 200-week moving average?
No. Clean Harbors, Inc. (CLH) is currently 46.1% above its 200-week moving average of $188.85. It would need to fall to $188.85 to cross below the line.
What is CLH's 200-week moving average price?
Clean Harbors, Inc.'s 200-week moving average is $188.85 as of 2026-03-20. This is the average weekly closing price over roughly the last 4 years, and it acts as a long-term trend line. When a stock drops below this level, it can signal that the price has fallen far enough from the long-term trend to attract value-oriented investors.
What happens when CLH drops below its 200-week moving average?
CLH has crossed below its 200-week moving average 27 times in our data. On average, buying at that moment produced a one-year return of +29.9%. These dips have historically been decent entry points. These episodes lasted 25 weeks on average.
Is CLH a good value right now?
Here's what our data says about CLH as of 2026-03-20: The stock is above its 200-week moving average, so it doesn't currently meet our primary signal. The 14-week RSI is 68. Free cash flow yield is 2.4%. Return on equity is 14.7%. Price-to-book is 5.3x. This is not a buy or sell recommendation — always do your own research.
How does CLH compare to the S&P 500?
Over the past 33.2 years, $100 invested in CLH would have grown to $3678, compared to $2683 for the S&P 500. That's 11.5% annualized vs 10.4% for the index. CLH has outperformed the broader market over this period.
Not financial advice. This is an educational tool. Past performance does not guarantee future results. Do your own research before making investment decisions.
Data as of week of 2026-03-20