Casella Waste Systems (CWST) Short Interest Ratio & Short Volume $116.19 +0.24 (+0.21%) As of 05/20/2025 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Casella Waste Systems Short Interest DataCasella Waste Systems (CWST) has a short interest of 2.49 million shares. This marks a 1.63% increase in short interest from the previous month. The short interest ratio (days to cover) is 5.0, indicating that it would take 5.0 days of the average trading volume of 381,758 shares to cover all short positions.Current Short Interest2,490,000 sharesPrevious Short Interest2,450,000 sharesChange Vs. Previous Month+1.63%Dollar Volume Sold Short$292.45 millionShort Interest Ratio5.0 Days to CoverLast Record DateApril 30, 2025Outstanding Shares63,463,000 sharesPercentage of Shares Shorted3.92%Today's Trading Volume350,073 sharesAverage Trading Volume381,758 sharesToday's Volume Vs. Average92% Short Selling Casella Waste Systems? Sign up to receive the latest short interest report for Casella Waste Systems and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCWST Short Interest Over TimeCWST Days to Cover Over TimeCWST Percentage of Float Shorted Over Time Casella Waste Systems Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20252,490,000 shares $292.45 million +1.6%N/A5 $117.45 4/15/20252,450,000 shares $289.20 million +33.2%4.0%5.2 $118.04 3/31/20251,840,000 shares $205.18 million -0.5%3.0%4.5 $111.51 3/15/20251,850,000 shares $198.88 million +23.3%3.1%5.3 $107.50 2/28/20251,500,000 shares $168.03 million -10.2%2.5%4.4 $112.02 2/15/20251,670,000 shares $185.97 million -7.2%2.8%5.3 $111.36 1/31/20251,800,000 shares $193.57 million +3.5%N/A6 $107.54 1/15/20251,740,000 shares $195.07 million -22.7%N/A5.8 $112.11 12/31/20242,250,000 shares $238.07 million +10.8%N/A7.3 $105.81 12/15/20242,030,000 shares $215.30 million -4.7%N/A6.3 $106.06 Get the Latest News and Ratings for CWST and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Casella Waste Systems and its competitors with MarketBeat's FREE daily newsletter. 11/30/20242,130,000 shares $241.14 million +7.6%N/A5.6 $113.21 11/15/20241,980,000 shares $210.97 million -1.0%N/A5.3 $106.55 10/31/20242,000,000 shares $195.76 million +11.7%N/A5.7 $97.88 10/15/20241,790,000 shares $185.96 million -19.0%N/A4.8 $103.89 9/30/20242,210,000 shares $219.87 million +0.9%N/A5.8 $99.49 9/15/20242,190,000 shares $236.65 million -0.9%N/A5.8 $108.06 8/31/20242,210,000 shares $238.37 million +0.5%N/A7.4 $107.86 8/15/20242,200,000 shares $231.84 million -2.7%N/A6.9 $105.38 7/31/20242,260,000 shares $234.05 million -4.2%N/A7 $103.56 7/15/20242,360,000 shares $248.41 million +4.4%N/A8.3 $105.26 6/30/20242,260,000 shares $224.24 million +11.9%N/A8.6 $99.22 6/15/20242,020,000 shares $194.69 million +2.5%N/A7.8 $96.38 5/31/20241,970,000 shares $198.16 million +11.9%N/A7.6 $100.59 5/15/20241,760,000 shares $171.79 million +13.6%N/A6.9 $97.61 4/30/20241,550,000 shares $140.12 million -4.9%N/A5.4 $90.40 4/15/20241,630,000 shares $155.89 million -1.2%N/A5.7 $95.64 3/31/20241,650,000 shares $163.14 million +1.2%N/A5.7 $98.87 3/15/20241,630,000 shares $156.59 million +9.4%N/A5.6 $96.07 2/29/20241,490,000 shares $134.25 million -6.9%N/A5 $90.10 2/15/20241,600,000 shares $148.48 million +0.6%N/A5.5 $92.80 1/31/20241,590,000 shares $135.69 million +1.3%N/A5.9 $85.34 1/15/20241,570,000 shares $134.42 million +2.6%N/A5.6 $85.62 12/31/20231,530,000 shares $130.75 million -5.6%N/A5.4 $85.46 12/15/20231,620,000 shares $140.02 million +10.2%N/A5.6 $86.43 11/30/20231,470,000 shares $118.89 million -3.9%N/A5.1 $80.88 11/15/20231,530,000 shares $125.37 million +4.8%N/A5.4 $81.94 10/31/20231,460,000 shares $110.16 million +4.3%N/A5 $75.45 10/15/20231,400,000 shares $108.14 million No ChangeN/A4.6 $77.24 9/30/20231,400,000 shares $106.82 million +13.8%N/A4.7 $76.30 9/15/20231,230,000 shares $102.53 million -5.4%N/A4.1 $83.36Musk’s Project Colossus could mint millionaires (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the May 1st funding window clos 8/31/20231,300,000 shares $102.40 million +11.1%N/A3.5 $78.77 8/15/20231,170,000 shares $92.98 million +13.6%N/A3.2 $79.47 7/31/20231,030,000 shares $83.11 million +1.0%N/A2.9 $80.69 7/15/20231,020,000 shares $88.67 million -1.0%N/A3.1 $86.93 6/30/20231,030,000 shares $93.16 million -32.2%N/A3.2 $90.45 6/15/20231,520,000 shares $131.89 million +3.4%3.0%5 $86.77 5/31/20231,470,000 shares $132.54 million -7.0%2.9%6.5 $90.16 5/15/20231,580,000 shares $150.91 million +6.8%3.2%6.4 $95.51 4/30/20231,480,000 shares $131.72 million +6.5%3.0%5.5 $89.00 4/15/20231,390,000 shares $117.43 million -0.7%2.8%5.3 $84.48 3/31/20231,400,000 shares $115.72 million +0.7%2.8%5.3 $82.66 3/15/20231,390,000 shares $113.31 million +19.8%2.8%5.4 $81.52 2/28/20231,160,000 shares $90.27 million +6.4%2.3%5.1 $77.82 2/15/20231,090,000 shares $87.91 million -3.5%2.2%5.1 $80.65 1/31/20231,130,000 shares $90.54 million +2.7%2.3%6.3 $80.12 1/15/20231,100,000 shares $85.55 million -5.2%2.2%6.1 $77.77 12/30/20221,160,000 shares $92.00 million -5.7%2.3%6.2 $79.31 12/15/20221,230,000 shares $100.47 million +9.8%2.5%6.1 $81.68 11/30/20221,120,000 shares $96.42 million +0.9%2.2%5.5 $86.09 11/15/20221,110,000 shares $88.66 million -11.9%2.2%5.3 $79.87 10/31/20221,260,000 shares $103.08 million -12.5%2.5%6.2 $81.81 10/15/20221,440,000 shares $106.56 million +6.7%2.9%7 $74.00 9/30/20221,350,000 shares $103.13 million +6.3%2.7%6.6 $76.39 9/15/20221,270,000 shares $104.71 million +2.4%2.6%6.6 $82.45 8/31/20221,240,000 shares $101.59 million -3.9%2.5%6.1 $81.93 8/15/20221,290,000 shares $110.86 million +5.7%2.6%6.3 $85.94 7/31/20221,220,000 shares $98.76 million +6.1%2.5%5.4 $80.95 7/15/20221,150,000 shares $84.10 million +13.9%2.3%4.9 $73.13 6/30/20221,010,000 shares $73.41 million -9.0%2.0%4.3 $72.68 6/15/20221,110,000 shares $73.59 million +1.8%2.2%4.5 $66.30 5/31/20221,090,000 shares $78.02 million +14.8%2.2%3.6 $71.58 5/15/2022949,200 shares $66.72 million -3.0%1.9%2.6 $70.29 4/30/2022978,700 shares $80.49 million +3.8%2.0%2.7 $82.24 4/15/2022943,100 shares $82.91 million +13.2%1.9%2.7 $87.91 3/31/2022833,200 shares $73.03 million -57.5%1.7%2.4 $87.65 3/15/20221,960,000 shares $172.28 million +206.6%4.0%5.7 $87.90 2/28/2022639,200 shares $48.20 million +6.7%1.3%2.2 $75.40 2/15/2022599,300 shares $44.28 million +26.6%1.2%2.6 $73.89 1/31/2022473,400 shares $35.97 million -13.7%1.0%2.2 $75.98 1/15/2022548,700 shares $41.87 million +10.1%1.1%2.6 $76.31 12/31/2021498,300 shares $42.56 million -14.2%1.0%2.5 $85.42 12/15/2021580,500 shares $48.65 million +6.0%1.2%3 $83.80 11/30/2021547,700 shares $46.43 million -12.4%1.1%2.8 $84.78 11/15/2021625,000 shares $54.29 million -21.1%1.3%3.3 $86.87 10/29/2021792,500 shares $68.73 million -3.4%1.6%4.1 $86.72 10/15/2021820,500 shares $65.64 million -8.0%1.7%4 $80.00 9/30/2021892,200 shares $67.75 million +3.0%1.8%4.4 $75.94 9/15/2021866,300 shares $65.43 million +1.7%1.8%4.3 $75.53 8/31/2021851,500 shares $63.00 million +8.2%1.7%4.5 $73.99 8/13/2021787,200 shares $54.47 million -25.7%1.6%4.3 $69.20Trump wipes out trillions overnight… (Ad)Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out nearly $5 trillion in wealth from the S&P 500 and $6.4 trillion from the Dow Jones… Not to mention the countless trillions of dollars lost in every market around the world… leaving the major political powers scrambling in fear of Trump’s next move.Whether you take some of that wealth for yourself depends on if you watch this controversial exposé 7/30/20211,060,000 shares $72.91 million No Change2.2%6.1 $68.78 7/15/20211,060,000 shares $67.19 million +6.0%2.2%6.7 $63.39 6/30/2021999,800 shares $63.42 million -10.7%2.0%6 $63.43 6/15/20211,120,000 shares $74.01 million No Change2.3%6.3 $66.08 5/28/20211,120,000 shares $75.52 million +3.7%2.3%6.1 $67.43 5/14/20211,080,000 shares $71.90 million +5.9%N/A5 $66.57 4/30/20211,020,000 shares $68.49 million No ChangeN/A4.4 $67.15 4/15/20211,020,000 shares $68.70 million +22.6%N/A4.1 $67.35 3/31/2021832,300 shares $52.75 million -0.8%N/A3 $63.38 3/15/2021838,700 shares $54.26 million -3.6%N/A2.8 $64.70 2/26/2021870,000 shares $52.51 million +20.6%N/A2.9 $60.36 2/12/2021721,300 shares $42.82 million -11.0%N/A2.5 $59.36 1/29/2021810,800 shares $47.23 million +6.0%N/A2.9 $58.25 1/15/2021765,300 shares $41.44 million -27.8%N/A2.7 $54.15 12/31/20201,060,000 shares $64.71 million +35.3%N/A3.9 $61.05 12/15/2020783,300 shares $46.77 million +12.1%N/A3 $59.71 11/30/2020698,500 shares $41.70 million -7.5%N/A2.6 $59.70 11/15/2020754,800 shares $45.16 million +3.3%N/A2.7 $59.83 10/30/2020730,400 shares $40.31 million -19.7%N/A2.7 $55.19 10/15/2020909,000 shares $54.49 million -2.0%N/A3.3 $59.94 9/30/2020927,800 shares $51.82 million +31.3%N/A3.7 $55.85 9/15/2020706,500 shares $38.23 million -19.1%N/A2.7 $54.11 8/31/2020873,000 shares $49.02 million -24.1%N/A3.4 $56.15 8/14/20201,150,000 shares $63.53 million -12.2%N/A4.3 $55.24 7/31/20201,310,000 shares $72.59 million -3.0%2.9%4.7 $55.41 7/15/20201,350,000 shares $71.83 million -11.2%2.9%4.8 $53.21 6/30/20201,520,000 shares $76.87 million +23.6%3.3%5.1 $50.57 6/15/20201,230,000 shares $61.87 million -6.8%2.7%3.7 $50.30 5/29/20201,320,000 shares $67.25 million -4.4%2.9%3.4 $50.95 CWST Short Interest - Frequently Asked Questions What is Casella Waste Systems' current short interest? Short interest is the volume of Casella Waste Systems shares that have been sold short but have not yet been covered or closed out. As of April 30th, traders have sold 2,490,000 shares of CWST short. Learn More on Casella Waste Systems' current short interest. What is a good short interest ratio for Casella Waste Systems? 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. CWST shares currently have a short interest ratio of 5.0. Learn More on Casella Waste Systems's short interest ratio. Which institutional investors are shorting Casella Waste Systems? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Casella Waste Systems: Fulcrum Asset Management LLP. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Casella Waste Systems' short interest increasing or decreasing? Casella Waste Systems saw a increase in short interest in the month of April. As of April 30th, there was short interest totaling 2,490,000 shares, an increase of 1.6% from the previous total of 2,450,000 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. How does Casella Waste Systems' short interest compare to its competitors? Here is how the short interest of companies compare to Casella Waste Systems: Rollins, Inc. (2.29%), Clean Harbors, Inc. (1.68%), Tetra Tech, Inc. (3.38%), ABM Industries Incorporated (2.57%), Team, Inc. (0.62%), Waste Management, Inc. (0.79%), Republic Services, Inc. (1.22%), GFL Environmental Inc. (4.51%), Quest Resource Holding Co. (3.16%), Vivakor, Inc. (0.34%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short Casella Waste Systems stock? Short selling CWST is an investing strategy that aims to generate trading profit from Casella Waste Systems as its price is falling. CWST shares are trading up $0.24 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 Casella Waste Systems? A short squeeze for Casella Waste Systems 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 CWST, which in turn drives the price of the stock up even further. How often is Casella Waste Systems' 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 CWST, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies ROL Short Interest Data CLH Short Interest Data TTEK Short Interest Data ABM Short Interest Data TISI Short Interest Data WM Short Interest Data RSG Short Interest Data GFL Short Interest Data QRHC Short Interest Data VIVK Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:CWST) was last updated on 5/21/2025 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 | SponsoredGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. 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