Clearside Biomedical (CLSD) Short Interest Ratio & Short Volume $0.85 -0.02 (-1.75%) Closing price 04:00 PM EasternExtended Trading$0.86 +0.01 (+1.18%) As of 07:48 PM 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Clearside Biomedical Short Interest DataClearside Biomedical (CLSD) has a short interest of 500,800 shares, representing 0.73% of the float (the number of shares available for trading by the public). This marks a 6.80% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.4, indicating that it would take 2.4 days of the average trading volume of 346,061 shares to cover all short positions.Current Short Interest500,800 sharesPrevious Short Interest468,900 sharesChange Vs. Previous Month+6.80%Dollar Volume Sold Short$411,557.44Short Interest Ratio2.4 Days to CoverLast Record DateApril 15, 2025Outstanding Shares77,279,000 sharesShort Percent of Float0.73%Today's Trading Volume64,586 sharesAverage Trading Volume346,061 sharesToday's Volume Vs. Average19% Short Selling Clearside Biomedical? Sign up to receive the latest short interest report for Clearside Biomedical and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCLSD Short Interest Over TimeCLSD Days to Cover Over TimeCLSD Percentage of Float Shorted Over Time Clearside Biomedical Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/15/2025500,800 shares $411,557.44 +6.8%0.7%2.4 $0.82 3/31/2025468,900 shares $430,403.31 -36.3%0.7%2.3 $0.92 3/15/2025735,600 shares $654,463.32 -4.1%1.1%3 $0.89 2/28/2025767,400 shares $659,733.78 +34.3%1.1%3 $0.86 2/15/2025571,300 shares $611,291.00 -26.6%0.8%2.3 $1.07 1/31/2025777,800 shares $723,354.00 +2.5%N/A3.1 $0.93 1/15/2025758,900 shares $713,366.00 +2.3%N/A2.7 $0.94 12/31/2024741,700 shares $704,615.00 -32.6%N/A1.1 $0.95 12/15/20241,100,000 shares $1.12 million -17.9%N/A1.5 $1.02 11/30/20241,340,000 shares $1.41 million -11.8%N/A1.8 $1.05 Get the Latest News and Ratings for CLSD and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Clearside Biomedical and its competitors with MarketBeat's FREE daily newsletter. 11/15/20241,520,000 shares $1.50 million -13.6%N/A2 $0.99 10/31/20241,760,000 shares $1.80 million -9.7%N/A2.4 $1.02 10/15/20241,950,000 shares $2.16 million +646.6%N/A2.7 $1.11 9/30/2024261,200 shares $331,724.00 -4.5%N/A0.5 $1.27 9/15/2024273,400 shares $336,282.00 -18.4%N/A1.1 $1.23 8/31/2024335,200 shares $338,552.00 +86.0%N/A1.5 $1.01 8/15/2024180,200 shares $190,111.00 -12.9%N/A1.1 $1.06 7/31/2024206,900 shares $235,866.00 +76.8%N/A1.1 $1.14 7/15/2024117,000 shares $145,080.00 -48.4%N/A0.7 $1.24 6/30/2024226,900 shares $294,970.00 +17.5%N/A1.2 $1.30 6/15/2024193,100 shares $229,789.00 -30.0%N/A0.8 $1.19 5/31/2024275,800 shares $386,120.00 -19.7%N/A0.9 $1.40 5/15/2024343,300 shares $453,156.00 +1.4%N/A0.9 $1.32 4/30/2024338,700 shares $426,762.00 +27.7%N/A0.9 $1.26 4/15/2024265,300 shares $342,237.00 +18.3%N/A0.7 $1.29 3/31/2024224,300 shares $343,179.00 -34.0%N/A0.6 $1.53 3/15/2024339,900 shares $581,229.00 +23.4%N/A1 $1.71 2/29/2024275,400 shares $385,560.00 +70.1%N/A1 $1.40 2/15/2024161,900 shares $197,518.00 -12.0%N/A0.9 $1.22 1/31/2024183,900 shares $229,875.00 -12.8%0.4%1 $1.25 1/15/2024210,800 shares $305,660.00 +11.1%0.4%1.1 $1.45 12/31/2023189,700 shares $221,949.00 -43.8%0.4%1 $1.17 12/15/2023337,700 shares $347,831.00 +19.4%0.7%2.1 $1.03 11/30/2023282,900 shares $285,729.00 -3.4%0.6%2.3 $1.01 11/15/2023292,900 shares $281,184.00 +0.8%0.6%2.5 $0.96 10/31/2023290,600 shares $210,568.76 -15.7%0.6%2.3 $0.72 10/15/2023344,500 shares $296,614.50 -1.7%0.7%3.6 $0.86 9/30/2023350,500 shares $304,899.95 -8.5%0.7%3.3 $0.87 9/15/2023382,900 shares $315,892.50 +45.4%0.8%3.4 $0.83 8/31/2023263,400 shares $239,694.00 +20.2%0.5%2.1 $0.91Elon Set to Shock the World by May 1st ? (Ad)Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believes will be Elon’s greatest invention ever… Yes, even bigger than Tesla or SpaceX. Click here now because after June 1st, it could be too late. 8/15/2023219,200 shares $217,008.00 -17.5%0.4%1.8 $0.99 7/31/2023265,700 shares $310,869.00 -22.4%0.5%2.2 $1.17 7/15/2023342,400 shares $410,880.00 -17.4%0.7%2.7 $1.20 6/30/2023414,400 shares $464,128.00 -15.0%0.8%3.3 $1.12 6/15/2023487,600 shares $682,640.00 -22.1%1.0%2.9 $1.40 5/31/2023626,100 shares $676,188.00 +10.2%1.2%3.6 $1.08 5/15/2023568,400 shares $608,188.00 +102.8%1.1%3.1 $1.07 4/30/2023280,300 shares $283,103.00 +4.0%0.6%1.5 $1.01 4/15/2023269,600 shares $296,560.00 -19.6%0.5%1.3 $1.10 3/31/2023335,500 shares $348,920.00 -4.5%0.7%1.5 $1.04 3/15/2023351,200 shares $344,176.00 +8.7%0.7%1.5 $0.98 2/28/2023323,100 shares $400,644.00 +0.1%0.7%1.4 $1.24 2/15/2023322,700 shares $432,418.00 +30.5%0.7%1.3 $1.34 1/31/2023247,200 shares $348,552.00 +15.4%0.5%0.8 $1.41 1/15/2023214,300 shares $336,451.00 -48.3%0.4%0.8 $1.57 12/30/2022414,600 shares $464,352.00 +3.8%0.8%1.6 $1.12 12/15/2022399,500 shares $483,395.00 +5.9%0.8%1.8 $1.21 11/30/2022377,100 shares $456,291.00 -32.6%0.8%2 $1.21 11/15/2022559,600 shares $789,036.00 +4.8%1.2%3 $1.41 10/31/2022534,100 shares $608,874.00 +7.7%1.1%4.1 $1.14 10/15/2022495,800 shares $565,212.00 +4.8%1.0%3.9 $1.14 9/30/2022473,100 shares $534,603.00 -9.1%1.0%3.6 $1.13 9/15/2022520,300 shares $686,796.00 +11.0%1.1%3.8 $1.32 8/31/2022468,600 shares $641,982.00 +8.3%1.0%3.1 $1.37 8/15/2022432,700 shares $666,358.00 -7.0%0.9%2.8 $1.54 7/31/2022465,100 shares $716,254.00 -20.8%1.0%2.8 $1.54 7/15/2022587,100 shares $1.06 million -10.0%1.2%2.8 $1.81 6/30/2022652,100 shares $958,587.00 -30.9%1.4%2.8 $1.47 6/15/2022944,000 shares $1.26 million -24.5%2.0%3.6 $1.34 5/31/20221,250,000 shares $1.63 million -24.7%2.6%1.4 $1.30 5/15/20221,660,000 shares $2.34 million No Change3.4%1.7 $1.41 4/30/20221,660,000 shares $2.54 million -11.7%3.4%1.7 $1.53 4/15/20221,880,000 shares $3.91 million +36.2%3.9%1.8 $2.08 3/31/20221,380,000 shares $3.16 million -46.7%2.9%1.4 $2.29 3/15/20222,590,000 shares $6.45 million +102.3%5.4%2.5 $2.49 2/28/20221,280,000 shares $2.04 million -3.8%2.7%3 $1.60 2/15/20221,330,000 shares $2.26 million -7.0%2.8%3.1 $1.70 1/31/20221,430,000 shares $2.79 million +28.8%3.0%3.3 $1.95 1/15/20221,110,000 shares $2.48 million -9.0%N/A2.3 $2.23 12/31/20211,220,000 shares $3.36 million -3.2%2.6%2.6 $2.75 12/15/20211,260,000 shares $3.70 million +18.9%2.7%2.4 $2.94 11/30/20211,060,000 shares $3.89 million +1.0%2.2%2.1 $3.67 11/15/20211,050,000 shares $5.07 million -52.3%2.2%2 $4.83 10/29/20212,200,000 shares $12.01 million +81.8%4.6%4 $5.46 10/15/20211,210,000 shares $6.82 million +28.4%2.6%2.1 $5.64 9/30/2021942,500 shares $5.66 million -0.9%2.0%1.6 $6.00 9/15/2021951,200 shares $6.25 million -36.2%2.0%1 $6.57 8/31/20211,490,000 shares $10.27 million -32.6%3.2%0.5 $6.89 8/13/20212,210,000 shares $12.57 million +5.7%4.7%0.7 $5.69 7/30/20212,090,000 shares $10.28 million +11.2%4.7%0.7 $4.92Elon Set to Shock the World by May 1st ? (Ad)Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believes will be Elon’s greatest invention ever… Yes, even bigger than Tesla or SpaceX. Click here now because after June 1st, it could be too late. 7/15/20211,880,000 shares $9.95 million +18.2%4.2%0.6 $5.29 6/30/20211,590,000 shares $7.74 million +43.2%3.6%0.5 $4.87 6/15/20211,110,000 shares $4.62 million +37.0%2.5%0.4 $4.16 5/28/2021810,500 shares $2.08 million -6.5%1.9%3.6 $2.57 5/14/2021866,500 shares $2.01 million -9.7%N/A3.2 $2.32 4/30/2021959,100 shares $2.86 million -0.6%N/A2.8 $2.98 4/15/2021965,200 shares $2.58 million +1.9%N/A2.3 $2.67 3/31/2021947,500 shares $2.22 million +44.3%N/A1.6 $2.34 3/15/2021656,600 shares $2.00 million +53.2%N/A0.8 $3.05 2/26/2021428,700 shares $1.39 million -16.9%N/A0.5 $3.25 2/12/2021515,600 shares $1.99 million +29.1%N/A0.6 $3.86 1/29/2021399,400 shares $1.32 million -37.9%N/A0.5 $3.31 1/15/2021643,600 shares $2.70 million -22.7%N/A0.9 $4.20 12/31/2020832,500 shares $1.93 million -16.7%N/A1.4 $2.32 12/15/2020999,700 shares $2.08 million -16.7%2.8%4.1 $2.08 11/30/20201,200,000 shares $2.34 million -12.4%3.3%6 $1.95 11/15/20201,370,000 shares $2.26 million -5.5%3.8%8.8 $1.65 10/30/20201,450,000 shares $2.03 million -0.7%4.2%7.9 $1.40 10/15/20201,460,000 shares $2.13 million -4.6%4.3%6.2 $1.46 9/30/20201,530,000 shares $2.36 million -8.4%4.5%5.7 $1.54 9/15/20201,670,000 shares $2.77 million +3.1%4.9%5.8 $1.66 8/31/20201,620,000 shares $2.79 million -10.5%4.7%4.7 $1.72 8/14/20201,810,000 shares $3.24 million +11.0%5.3%4.6 $1.79 7/31/20201,630,000 shares $2.67 million -1.8%4.8%4 $1.64 7/15/20201,660,000 shares $2.79 million +5.7%5.0%4.2 $1.68 6/30/20201,570,000 shares $2.95 million -0.6%4.7%3.8 $1.88 6/15/20201,580,000 shares $3.24 million +4.0%4.8%3.8 $2.05 5/29/20201,520,000 shares $2.83 million +2.0%4.6%3.2 $1.86 5/15/20201,490,000 shares $2.95 million -0.7%4.5%3 $1.98 CLSD Short Interest - Frequently Asked Questions What is Clearside Biomedical's current short interest? Short interest is the volume of Clearside Biomedical shares that have been sold short but have not yet been covered or closed out. As of April 15th, traders have sold 500,800 shares of CLSD short. 0.73% of Clearside Biomedical's shares are currently sold short. Learn More on Clearside Biomedical's current short interest. What is a good short interest ratio for Clearside Biomedical? 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. CLSD shares currently have a short interest ratio of 2.0. Learn More on Clearside Biomedical's short interest ratio. Which institutional investors are shorting Clearside Biomedical? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Clearside Biomedical: Citadel Advisors LLC, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Clearside Biomedical? 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. 0.73% of Clearside Biomedical's floating shares are currently sold short. Is Clearside Biomedical's short interest increasing or decreasing? Clearside Biomedical saw a increase in short interest during the month of April. As of April 15th, there was short interest totaling 500,800 shares, an increase of 6.8% from the previous total of 468,900 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 Clearside Biomedical's short interest compare to its competitors? 0.73% of Clearside Biomedical's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Clearside Biomedical: Terns Pharmaceuticals, Inc. (8.55%), Atea Pharmaceuticals, Inc. (4.42%), DBV Technologies S.A. (0.59%), Solid Biosciences Inc. (12.52%), Monopar Therapeutics Inc. (1.18%), Nuvectis Pharma, Inc. (13.46%), Canopy Growth Co. (8.26%), Foghorn Therapeutics Inc. (3.84%), Immutep Limited (2.93%), Lifecore Biomedical, Inc. (7.75%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 billion). View all of the most shorted stocks. What does it mean to sell short Clearside Biomedical stock? Short selling CLSD is an investing strategy that aims to generate trading profit from Clearside Biomedical as its price is falling. CLSD shares are trading down $0.02 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 Clearside Biomedical? A short squeeze for Clearside Biomedical 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 CLSD, which in turn drives the price of the stock up even further. How often is Clearside Biomedical's 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 CLSD, twice per month. The most recent reporting period available is April, 15 2025. More Short Interest Resources from MarketBeat Related Companies Terns Pharmaceuticals Short Squeeze Atea Pharmaceuticals Short Squeeze DBV Technologies Short Squeeze Solid Biosciences Short Squeeze Monopar Therapeutics Short Squeeze Nuvectis Pharma Short Squeeze Canopy Growth Short Squeeze Foghorn Therapeutics Short Squeeze Immutep Short Squeeze Lifecore Biomedical Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:CLSD) was last updated on 5/1/2025 by MarketBeat.com Staff From Our PartnersHow to invest in Elon Musk’s Optimus before its launchElon Musk is set to completely take over the AI industry with Optimus… A breakthrough AI-powered robot that El...InvestorPlace | SponsoredElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredElon Musk’s next move from the Oval Office?No one is closer to President Trump than Tesla CEO Elon Musk. 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