Clean Harbors (CLH) Short Interest Ratio & Short Volume $228.76 -2.77 (-1.20%) Closing price 07/15/2025 03:59 PM EasternExtended Trading$228.72 -0.04 (-0.02%) As of 08:31 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Clean Harbors Short Interest DataClean Harbors (CLH) has a short interest of 709,400 shares, representing 1.40% of the float (the number of shares available for trading by the public). This marks a -5.34% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.9, indicating that it would take 1.9 days of the average trading volume of 352,224 shares to cover all short positions.Current Short Interest709,400 sharesPrevious Short Interest749,400 sharesChange Vs. Previous Month-5.34%Dollar Volume Sold Short$164.08 millionShort Interest Ratio1.9 Days to CoverLast Record DateJune 30, 2025Outstanding Shares53,580,000 sharesFloat Size50,670,000 sharesShort Percent of Float1.40%Today's Trading Volume327,163 sharesAverage Trading Volume352,224 sharesToday's Volume Vs. Average93% Short Selling Clean Harbors? Sign up to receive the latest short interest report for Clean Harbors and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCLH Short Interest Over TimeCLH Days to Cover Over TimeCLH Percentage of Float Shorted Over Time Clean Harbors Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/2025709,400 shares $164.08 million -5.3%1.4%1.9 $231.29 6/15/2025749,400 shares $169.84 million +2.0%1.5%1.9 $226.64 5/31/2025734,800 shares $166.72 million -18.8%1.5%1.7 $226.89 5/15/2025905,100 shares $207.70 million +6.4%1.8%1.9 $229.48 4/30/2025850,600 shares $182.11 million +7.2%1.7%1.6 $214.10 4/15/2025793,200 shares $163.39 million +28.8%1.6%1.6 $205.99 3/31/2025615,700 shares $121.35 million -17.8%1.2%1.3 $197.10 3/15/2025748,700 shares $144.58 million +28.0%1.5%1.7 $193.11 2/28/2025585,100 shares $124.77 million +17.0%1.2%1.4 $213.24 2/15/2025500,300 shares $114.81 million -1.1%1.0%1.3 $229.49 Get the Latest News and Ratings for CLH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Clean Harbors and its competitors with MarketBeat's FREE daily newsletter. 1/31/2025506,000 shares $117.86 million -13.7%1.0%1.7 $232.93 1/15/2025586,500 shares $138.95 million +8.6%1.2%1.8 $236.91 12/31/2024540,100 shares $124.30 million -9.3%1.1%1.7 $230.14 12/15/2024595,700 shares $145.52 million +1.4%1.2%2 $244.28 11/30/2024587,400 shares $152.78 million -8.1%1.2%2.1 $260.09 11/15/2024639,400 shares $158.10 million +22.4%1.3%2.4 $247.27 10/31/2024522,600 shares $120.88 million +29.3%1.0%2 $231.31 10/15/2024404,300 shares $103.17 million -16.1%0.8%1.8 $255.18 9/30/2024481,600 shares $116.54 million -13.4%1.0%2 $241.99 9/15/2024555,900 shares $135.62 million +2.3%1.1%2.1 $243.97 8/31/2024543,200 shares $133.57 million +2.4%1.1%1.9 $245.90 8/15/2024530,300 shares $126.06 million -5.7%1.1%1.8 $237.72 7/31/2024562,300 shares $134.41 million +4.1%1.1%1.9 $239.04 7/15/2024540,400 shares $123.51 million -4.3%1.1%1.8 $228.55 6/30/2024564,500 shares $127.66 million -0.4%1.1%1.9 $226.15 6/15/2024566,700 shares $125.22 million +7.7%1.1%1.9 $220.97 5/31/2024526,300 shares $113.98 million -16.3%1.0%1.8 $216.57 5/15/2024628,600 shares $133.71 million +19.4%1.2%2.1 $212.71 4/30/2024526,700 shares $99.73 million -21.5%1.0%1.6 $189.34 4/15/2024671,300 shares $130.60 million +19.5%1.3%2.1 $194.55 3/31/2024561,800 shares $113.10 million +8.7%1.1%1.8 $201.31 3/15/2024517,000 shares $97.21 million +1.4%1.0%1.6 $188.02 2/29/2024509,700 shares $92.79 million -7.6%1.0%1.6 $182.04 2/15/2024551,300 shares $102.43 million +0.0%1.1%1.6 $185.79 1/31/2024551,100 shares $92.56 million -14.8%1.1%1.7 $167.96 1/15/2024647,000 shares $107.67 million -20.8%1.3%2 $166.42 12/31/2023817,300 shares $142.63 million -21.4%1.6%2.5 $174.51 12/15/20231,040,000 shares $181.72 million -5.5%2.1%3.5 $174.73 11/30/20231,100,000 shares $177.74 million -17.3%2.2%3.8 $161.58 11/15/20231,330,000 shares $219.33 million +25.5%2.6%4.9 $164.91All New Social Security Numbers coming July 23? (Ad)To All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social Security? What we just discovered in Washington will stun even the most seasoned insiders.A major government announcement coming as soon as July 23. 10/31/20231,060,000 shares $163.05 million -2.8%2.1%3.8 $153.82 10/15/20231,090,000 shares $173.75 million +6.9%2.2%4 $159.40 9/30/20231,020,000 shares $170.71 million -3.8%2.0%3.5 $167.36 9/15/20231,060,000 shares $178.29 million -7.8%2.1%3.4 $168.20 8/31/20231,150,000 shares $194.82 million -9.5%2.3%3.3 $169.41 8/15/20231,270,000 shares $221.27 million +15.5%2.5%3.4 $174.23 7/31/20231,100,000 shares $182.89 million +4.8%2.2%2.9 $166.26 7/15/20231,050,000 shares $173.53 million +8.9%2.1%2.7 $165.27 6/30/2023963,800 shares $158.38 million -10.8%1.9%2.5 $164.33 6/15/20231,080,000 shares $168.49 million +18.1%2.1%2.8 $156.01 5/31/2023914,900 shares $128.42 million +16.1%1.8%2.2 $140.36 5/15/2023788,300 shares $109.99 million +26.8%1.6%1.8 $139.53 4/30/2023621,800 shares $90.26 million +23.4%1.2%1.4 $145.16 4/15/2023504,100 shares $72.36 million +3.6%1.0%1.3 $143.54 3/31/2023486,400 shares $69.34 million -28.7%1.0%1.2 $142.56 3/15/2023682,100 shares $90.77 million +29.0%1.4%1.9 $133.07 2/28/2023528,700 shares $69.83 million -6.2%1.1%1.6 $132.07 2/15/2023563,800 shares $75.22 million +13.6%1.1%1.8 $133.41 1/31/2023496,400 shares $64.68 million +2.5%1.0%1.5 $130.30 1/15/2023484,100 shares $58.76 million +12.3%1.0%1.3 $121.38 12/30/2022431,000 shares $49.19 million -28.4%0.9%1.2 $114.12 12/15/2022602,000 shares $70.13 million -4.9%1.2%1.5 $116.50 11/30/2022632,800 shares $75.94 million -7.8%1.3%1.5 $120.00 11/15/2022686,000 shares $76.74 million -2.2%1.4%1.6 $111.86 10/31/2022701,200 shares $85.87 million -17.1%1.4%1.7 $122.46 10/15/2022845,300 shares $96.67 million -0.5%1.7%2.1 $114.36 9/30/2022849,100 shares $93.38 million +4.0%1.7%2.3 $109.98 9/15/2022816,500 shares $98.23 million +22.3%1.6%2.3 $120.31 8/31/2022667,900 shares $78.42 million +4.9%1.3%2.1 $117.42 8/15/2022636,700 shares $74.07 million +28.7%1.3%2 $116.33 7/31/2022494,800 shares $48.29 million +0.7%1.0%1.4 $97.59 7/15/2022491,200 shares $42.62 million -7.2%1.0%1.4 $86.76 6/30/2022529,000 shares $46.38 million -2.5%1.1%1.4 $87.67 6/15/2022542,300 shares $47.04 million -17.1%1.1%1.3 $86.75 5/31/2022654,200 shares $61.10 million -16.3%1.3%1.4 $93.40 5/15/2022782,000 shares $71.04 million +1.2%1.6%1.6 $90.85 4/30/2022772,900 shares $81.10 million +32.6%1.5%1.5 $104.93 4/15/2022582,900 shares $62.87 million -39.0%1.2%1.2 $107.86 3/31/2022955,900 shares $106.72 million +7.0%1.9%2 $111.64 3/15/2022893,200 shares $94.47 million -22.3%1.8%2 $105.77 2/28/20221,150,000 shares $109.74 million -36.1%2.3%2.9 $95.43 2/15/20221,800,000 shares $173.29 million +55.2%3.6%4.8 $96.27 1/31/20221,160,000 shares $107.36 million +45.2%2.3%3.5 $92.55 1/15/2022798,700 shares $77.10 million +27.6%1.6%2.3 $96.53 12/31/2021626,100 shares $62.47 million +6.1%1.2%1.8 $99.77 12/15/2021589,900 shares $58.24 million -15.6%1.2%1.8 $98.73 11/30/2021698,500 shares $70.86 million -4.9%1.4%2.3 $101.44 11/15/2021734,100 shares $78.47 million -24.0%1.5%2.6 $106.89 10/29/2021965,600 shares $108.67 million +13.3%1.9%3.6 $112.54 10/15/2021852,400 shares $91.99 million +8.5%1.7%3.4 $107.92All New Social Security Numbers coming July 23? (Ad)To All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social Security? What we just discovered in Washington will stun even the most seasoned insiders.A major government announcement coming as soon as July 23. 9/30/2021785,500 shares $81.59 million +1.0%1.6%3.2 $103.87 9/15/2021777,500 shares $78.36 million +1.6%1.6%3.1 $100.78 8/31/2021765,500 shares $78.56 million -8.0%1.5%3.1 $102.62 8/13/2021832,100 shares $84.69 million +1.9%1.7%3.2 $101.78 7/30/2021816,800 shares $77.60 million -13.1%1.6%3 $95.00 7/15/2021940,400 shares $86.23 million +19.0%1.9%3.6 $91.70 6/30/2021790,200 shares $73.60 million -3.4%1.6%3 $93.14 6/15/2021818,300 shares $76.34 million +23.9%1.6%3.1 $93.29 5/28/2021660,700 shares $61.51 million +21.3%1.3%2.4 $93.10 5/14/2021544,900 shares $50.41 million -3.3%1.1%1.9 $92.52 4/30/2021563,200 shares $50.63 million -2.3%1.1%2 $89.89 4/15/2021576,300 shares $50.37 million -13.7%1.1%2.1 $87.40 3/31/2021667,900 shares $56.64 million +5.9%1.3%2.3 $84.80 3/15/2021630,800 shares $56.90 million +0.6%1.3%2.1 $90.20 2/26/2021627,000 shares $54.53 million -6.5%1.2%2.2 $86.97 2/12/2021670,600 shares $57.06 million -8.6%1.3%2.5 $85.09 1/29/2021733,300 shares $58.35 million +5.5%1.4%2.4 $79.57 1/15/2021695,300 shares $56.98 million +3.3%1.4%2.3 $81.95 12/31/2020673,400 shares $50.67 million +3.0%1.3%2.3 $75.25 12/15/2020653,600 shares $47.12 million -16.1%1.3%2.2 $72.10 11/30/2020779,000 shares $58.11 million +2.2%1.5%2.6 $74.60 11/15/2020762,600 shares $54.49 million +13.3%1.5%2.5 $71.45 10/30/2020673,100 shares $35.84 million +3.8%1.3%2.3 $53.25 10/15/2020648,600 shares $38.35 million -3.7%1.3%2.6 $59.12 9/30/2020673,300 shares $37.72 million -14.0%1.3%2.6 $56.03 9/15/2020782,500 shares $44.85 million +22.4%1.5%2.9 $57.31 8/31/2020639,400 shares $39.07 million +17.5%1.3%2.3 $61.10 8/14/2020544,100 shares $34.50 million -2.1%1.1%1.8 $63.41 7/31/2020556,000 shares $33.14 million -17.1%1.1%1.7 $59.60 CLH Short Interest - Frequently Asked Questions What is Clean Harbors' current short interest? Short interest is the volume of Clean Harbors shares that have been sold short but have not yet been closed out or covered. As of June 30th, traders have sold 709,400 shares of CLH short. 1.40% of Clean Harbors' shares are currently sold short. Learn More on Clean Harbors' current short interest. What is a good short interest ratio for Clean Harbors? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. CLH shares currently have a short interest ratio of 2.0. Learn More on Clean Harbors's short interest ratio. Which institutional investors are shorting Clean Harbors? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Clean Harbors: Jane Street Group LLC, Brant Point Investment Management LLC, Walleye Trading LLC, Walleye Capital LLC, Arrowpoint Investment Partners Singapore Pte. Ltd., Simplex Trading LLC, and Fulcrum Asset Management LLP. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Clean Harbors? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.40% of Clean Harbors' floating shares are currently sold short. Is Clean Harbors' short interest increasing or decreasing? Clean Harbors saw a drop in short interest in the month of June. As of June 30th, there was short interest totaling 709,400 shares, a drop of 5.3% from the previous total of 749,400 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. What is Clean Harbors' float size? Clean Harbors currently has issued a total of 53,580,000 shares. Some of Clean Harbors' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Clean Harbors currently has a public float of 50,670,000 shares. How does Clean Harbors' short interest compare to its competitors? 1.40% of Clean Harbors' shares are currently sold short. Here is how the short interest of companies compare to Clean Harbors: Cross Country Healthcare, Inc. (5.79%), Verisk Analytics, Inc. (1.31%), Aptiv PLC (2.51%), Rollins, Inc. (2.87%), Tetra Tech, Inc. (15.06%), Casella Waste Systems, Inc. (3.64%), ABM Industries Incorporated (3.04%), Team, Inc. (0.55%), Waste Management, Inc. (0.11%), Republic Services, Inc. (1.20%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Clean Harbors stock? Short selling CLH is an investing strategy that aims to generate trading profit from Clean Harbors as its price is falling. CLH shares are trading down $2.77 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Clean Harbors? A short squeeze for Clean Harbors occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of CLH, which in turn drives the price of the stock up even further. How often is Clean Harbors' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including CLH, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies Cross Country Healthcare Short Squeeze Verisk Analytics Short Squeeze Aptiv Short Squeeze Rollins Short Squeeze Tetra Tech Short Squeeze Casella Waste Systems Short Squeeze ABM Industries Short Squeeze Team Short Squeeze Waste Management Short Squeeze Republic Services Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:CLH) was last updated on 7/16/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredCentral Banks Are Hoarding Gold – Should You?The AI boom isn’t just transforming technology—it’s redefining global power, increasing government debt, and u...Lear Capital | SponsoredThe Robotics Revolution has arrived … and one $7 stock could take off as a result.Something big is brewing in Washington. According to my research, an executive order from President Trump c...Weiss Ratings | SponsoredMajor Rollout of Social Security X?To All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredWhich Gold Miner Trades at 30% of NAV? The One Buffett WantsSome of the world’s best gold developers are trading at just 30% of NAV — like buying a dollar for 30 cents. ...Golden Portfolio | SponsoredWhy Elon is funding the “Quantum Power Grid”Elon knows the future isn’t about smarter AI — it’s about powering it. And this new technology is quietly b...True Market Insiders | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Clean Harbors, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Clean Harbors With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Free CLH Stock Alerts