NYSE · CLH · stock
Clean Harbors INC (CLH) stock price history
Every NYSE trading session of Clean Harbors INC from Nov 24, 1987 to Sep 28, 2026: 9,783 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
CLH adjusted close, 1987 to 2026
- $326.34
- All time high, 2026
- $335.94
- 52 week high, $201.34 low
- 9,783
- Daily sessions since 1987
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1987 to 2026 series and minute bars.
CLH key facts
- Clean Harbors INC (CLH) closed at $313.26 on Sep 28, 2026 on NYSE.
- CLH's all time high close is $326.34, set on Jul 29, 2026; its all time low close is $0.5625 on Nov 22, 1999.
- CLH's 52 week range is $201.34 to $335.94.
- CLH returned +35.1% over the year to Sep 28, 2026 and +201.2% over five years.
- Over ten years CLH returned +560%, +20.8% a year compounded.
- CLH's deepest drawdown was -95.5% from Oct 20, 1988 to Nov 22, 1999.
- DataCedar holds 9,783 daily sessions of CLH history from Nov 24, 1987 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CLH price chart, 1987 to 2026
CLH returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.8% |
| 3 months | +3.8% |
| 6 months | +12.3% |
| Year to date | +31.7% |
| 1 year | +35.1% |
| 3 years | +86.3% |
| 5 years | +201.2% |
| 10 years | +560.2% |
| Since Nov 24, 1987 | +6,861% |
| Compound annual growth, 38.8 years | +11.5% |
CLH records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $326.34 on Jul 29, 2026
- All time low close
- $0.5625 on Nov 22, 1999
- 52 week high
- $335.94 on Jul 29, 2026
- 52 week low
- $201.34 on Nov 18, 2025
- Deepest drawdown
- -95.5% from Oct 20, 1988 to Nov 22, 1999, recovered Jul 28, 2005
- Best single session
- +76.1% on Oct 22, 2001
- Worst single session
- -34.4% on Aug 14, 2003
- Volatility, 1 year annualised
- 28.1%
- Sessions closing higher, 1 year
- 57%
- Growth of 1 since 1987
- 69.6×
- Best calendar year
- 2002, +362%
- Worst calendar year
- 1994, -45%
CLH price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1987 starts on Nov 24, 1987; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $234.18 | $335.94 | $233.73 | $313.26 | +33.6% | 91.8M | 185 |
| 2025 | $231.35 | $251.43 | $178.29 | $234.48 | +1.9% | 113M | 250 |
| 2024 | $173.26 | $267.11 | $161.39 | $230.14 | +31.9% | 74.7M | 252 |
| 2023 | $114.92 | $179.49 | $110.96 | $174.51 | +52.9% | 86.9M | 250 |
| 2022 | $100.11 | $125.41 | $81.56 | $114.12 | +14.4% | 100.7M | 251 |
| 2021 | $76.43 | $118.89 | $73.69 | $99.77 | +31.1% | 72M | 252 |
| 2020 | $86.22 | $88.40 | $29.45 | $76.10 | -11.3% | 96.7M | 253 |
| 2019 | $48.79 | $88.01 | $48.13 | $85.75 | +73.8% | 93.5M | 252 |
| 2018 | $54.43 | $72.50 | $44.75 | $49.35 | -8.9% | 103.1M | 251 |
| 2017 | $55.90 | $61.62 | $49.63 | $54.20 | -2.6% | 80.3M | 251 |
| 2016 | $41.10 | $58.23 | $37.09 | $55.65 | +33.6% | 104.8M | 252 |
| 2015 | $48.19 | $59.29 | $39.89 | $41.65 | -13.3% | 126.2M | 252 |
| 2014 | $59.68 | $65.53 | $43.05 | $48.05 | -19.9% | 169.4M | 252 |
| 2013 | $56.10 | $64.12 | $48.22 | $59.96 | +9.0% | 142.5M | 252 |
| 2012 | $64.64 | $71.63 | $46.94 | $55.01 | -13.7% | 122.1M | 250 |
| 2011 | $42.44 | $64.68 | $40.28 | $63.73 | +51.6% | 107.9M | 252 |
| 2010 | $30.17 | $43.13 | $26.00 | $42.04 | +41.1% | 142.2M | 252 |
| 2009 | $32.08 | $32.59 | $20.45 | $29.81 | -6.0% | 112.3M | 252 |
| 2008 | $25.67 | $41.49 | $22.06 | $31.72 | +22.7% | 160M | 253 |
| 2007 | $24.33 | $28.24 | $21.26 | $25.85 | +6.8% | 103.9M | 251 |
| 2006 | $14.37 | $24.38 | $12.17 | $24.20 | +68.0% | 112.4M | 251 |
| 2005 | $7.60 | $18.30 | $6.87 | $14.40 | +90.9% | 105.3M | 252 |
| 2004 | $4.45 | $7.60 | $3.10 | $7.55 | +69.4% | 51.2M | 252 |
| 2003 | $7.74 | $8.31 | $1.58 | $4.45 | -42.7% | 139.1M | 252 |
| 2002 | $1.67 | $8.91 | $1.51 | $7.78 | +361.7% | 102.5M | 252 |
| 2001 | $0.8906 | $2.45 | $0.7656 | $1.68 | +89.2% | 26.7M | 248 |
| 2000 | $0.6094 | $2.13 | $0.5938 | $0.8906 | +42.5% | 19.6M | 252 |
| 1999 | $0.8125 | $1.22 | $0.5313 | $0.6250 | -16.7% | 6.5M | 252 |
| 1998 | $0.8438 | $1.66 | $0.6250 | $0.7500 | -4.0% | 12.5M | 252 |
| 1997 | $1.06 | $1.69 | $0.5938 | $0.7813 | -30.6% | 9.6M | 253 |
| 1996 | $1.38 | $2.06 | $0.7500 | $1.13 | -10.0% | 11.8M | 254 |
| 1995 | $2.00 | $2.75 | $1.19 | $1.25 | -36.5% | 11.6M | 252 |
| 1994 | $3.56 | $4.63 | $1.81 | $1.97 | -44.7% | 14M | 252 |
| 1993 | $6.25 | $8.75 | $3.00 | $3.56 | -40.6% | 25.9M | 253 |
| 1992 | $5.63 | $7.25 | $3.75 | $6.00 | +6.7% | 16M | 254 |
| 1991 | $3.13 | $8.63 | $2.50 | $5.63 | +80.0% | 29.5M | 253 |
| 1990 | $5.50 | $6.69 | $2.13 | $3.13 | -43.2% | 38.2M | 253 |
| 1989 | $9.38 | $11.00 | $5.00 | $5.50 | -41.3% | 31.9M | 252 |
| 1988 | $6.38 | $12.63 | $5.50 | $9.38 | +47.1% | 14.5M | 253 |
| 1987 | $4.50 | $6.75 | $4.25 | $6.38 | n/a | 1.9M | 26 |
CLH monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $313.26 | -0.6% |
| August 2026 | $315.25 | +0.8% |
| July 2026 | $312.88 | +4.7% |
| June 2026 | $298.75 | +6.3% |
| May 2026 | $281.03 | -10.1% |
| April 2026 | $312.68 | +9.1% |
| March 2026 | $286.73 | -2.2% |
| February 2026 | $293.20 | +12.8% |
| January 2026 | $259.91 | +10.8% |
| December 2025 | $234.48 | +3.0% |
| November 2025 | $227.56 | +8.1% |
| October 2025 | $210.51 | -9.3% |
About the CLH data
Daily bars. 9,783 sessions from Nov 24, 1987 to Sep 28, 2026, one row per NYSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are NYSE trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Nov 24, 1987, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/CLH/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE
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Common questions
CLH share price history
