Clearside Biomedical (CLSD) Short Interest Ratio & Short Volume $0.81 0.00 (-0.23%) Closing price 06/11/2025 04:00 PM EasternExtended Trading$0.81 0.00 (-0.01%) As of 06/11/2025 07:46 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 124,200 shares, representing 0.18% of the float (the number of shares available for trading by the public). This marks a -44.15% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.5, indicating that it would take 0.5 days of the average trading volume of 361,144 shares to cover all short positions.Current Short Interest124,200 sharesPrevious Short Interest222,400 sharesChange Vs. Previous Month-44.15%Dollar Volume Sold Short$94.39 thousandShort Interest Ratio0.5 Days to CoverLast Record DateMay 31, 2025Outstanding Shares77,709,000 sharesShort Percent of Float0.18%Today's Trading Volume228,319 sharesAverage Trading Volume361,144 sharesToday's Volume Vs. Average63% 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 5/31/2025124,200 shares $94.39 thousand -44.2%0.2%0.5 $0.76 5/15/2025222,400 shares $192.26 thousand -10.9%0.3%1.2 $0.86 4/30/2025249,700 shares $216.02 thousand -50.1%N/A1.3 $0.87 4/15/2025500,800 shares $411.56 thousand +6.8%0.7%2.4 $0.82 3/31/2025468,900 shares $430.40 thousand -36.3%0.7%2.3 $0.92 3/15/2025735,600 shares $654.46 thousand -4.1%1.1%3 $0.89 2/28/2025767,400 shares $659.73 thousand +34.3%1.1%3 $0.86 2/15/2025571,300 shares $611.29 thousand -26.6%0.8%2.3 $1.07 1/31/2025777,800 shares $723.35 thousand +2.5%N/A3.1 $0.93 1/15/2025758,900 shares $713.37 thousand +2.3%N/A2.7 $0.94 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. 12/31/2024741,700 shares $704.62 thousand -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 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 $331.72 thousand -4.5%N/A0.5 $1.27 9/15/2024273,400 shares $336.28 thousand -18.4%N/A1.1 $1.23 8/31/2024335,200 shares $338.55 thousand +86.0%N/A1.5 $1.01 8/15/2024180,200 shares $190.11 thousand -12.9%N/A1.1 $1.06 7/31/2024206,900 shares $235.87 thousand +76.8%N/A1.1 $1.14 7/15/2024117,000 shares $145.08 thousand -48.4%N/A0.7 $1.24 6/30/2024226,900 shares $294.97 thousand +17.5%N/A1.2 $1.30 6/15/2024193,100 shares $229.79 thousand -30.0%N/A0.8 $1.19 5/31/2024275,800 shares $386.12 thousand -19.7%N/A0.9 $1.40 5/15/2024343,300 shares $453.16 thousand +1.4%N/A0.9 $1.32 4/30/2024338,700 shares $426.76 thousand +27.7%N/A0.9 $1.26 4/15/2024265,300 shares $342.24 thousand +18.3%N/A0.7 $1.29 3/31/2024224,300 shares $343.18 thousand -34.0%N/A0.6 $1.53 3/15/2024339,900 shares $581.23 thousand +23.4%N/A1 $1.71 2/29/2024275,400 shares $385.56 thousand +70.1%N/A1 $1.40 2/15/2024161,900 shares $197.52 thousand -12.0%N/A0.9 $1.22 1/31/2024183,900 shares $229.88 thousand -12.8%0.4%1 $1.25 1/15/2024210,800 shares $305.66 thousand +11.1%0.4%1.1 $1.45 12/31/2023189,700 shares $221.95 thousand -43.8%0.4%1 $1.17 12/15/2023337,700 shares $347.83 thousand +19.4%0.7%2.1 $1.03 11/30/2023282,900 shares $285.73 thousand -3.4%0.6%2.3 $1.01 11/15/2023292,900 shares $281.18 thousand +0.8%0.6%2.5 $0.96 10/31/2023290,600 shares $210.57 thousand -15.7%0.6%2.3 $0.72 10/15/2023344,500 shares $296.61 thousand -1.7%0.7%3.6 $0.86Banks aren’t ready for this altcoin—are you? (Ad)While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly positioning itself to overthrow the entire banking system.Click here to access the full report now. 9/30/2023350,500 shares $304.90 thousand -8.5%0.7%3.3 $0.87 9/15/2023382,900 shares $315.89 thousand +45.4%0.8%3.4 $0.83 8/31/2023263,400 shares $239.69 thousand +20.2%0.5%2.1 $0.91 8/15/2023219,200 shares $217.01 thousand -17.5%0.4%1.8 $0.99 7/31/2023265,700 shares $310.87 thousand -22.4%0.5%2.2 $1.17 7/15/2023342,400 shares $410.88 thousand -17.4%0.7%2.7 $1.20 6/30/2023414,400 shares $464.13 thousand -15.0%0.8%3.3 $1.12 6/15/2023487,600 shares $682.64 thousand -22.1%1.0%2.9 $1.40 5/31/2023626,100 shares $676.19 thousand +10.2%1.2%3.6 $1.08 5/15/2023568,400 shares $608.19 thousand +102.8%1.1%3.1 $1.07 4/30/2023280,300 shares $283.10 thousand +4.0%0.6%1.5 $1.01 4/15/2023269,600 shares $296.56 thousand -19.6%0.5%1.3 $1.10 3/31/2023335,500 shares $348.92 thousand -4.5%0.7%1.5 $1.04 3/15/2023351,200 shares $344.18 thousand +8.7%0.7%1.5 $0.98 2/28/2023323,100 shares $400.64 thousand +0.1%0.7%1.4 $1.24 2/15/2023322,700 shares $432.42 thousand +30.5%0.7%1.3 $1.34 1/31/2023247,200 shares $348.55 thousand +15.4%0.5%0.8 $1.41 1/15/2023214,300 shares $336.45 thousand -48.3%0.4%0.8 $1.57 12/30/2022414,600 shares $464.35 thousand +3.8%0.8%1.6 $1.12 12/15/2022399,500 shares $483.40 thousand +5.9%0.8%1.8 $1.21 11/30/2022377,100 shares $456.29 thousand -32.6%0.8%2 $1.21 11/15/2022559,600 shares $789.04 thousand +4.8%1.2%3 $1.41 10/31/2022534,100 shares $608.87 thousand +7.7%1.1%4.1 $1.14 10/15/2022495,800 shares $565.21 thousand +4.8%1.0%3.9 $1.14 9/30/2022473,100 shares $534.60 thousand -9.1%1.0%3.6 $1.13 9/15/2022520,300 shares $686.80 thousand +11.0%1.1%3.8 $1.32 8/31/2022468,600 shares $641.98 thousand +8.3%1.0%3.1 $1.37 8/15/2022432,700 shares $666.36 thousand -7.0%0.9%2.8 $1.54 7/31/2022465,100 shares $716.25 thousand -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 $958.59 thousand -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 $6.57Banks aren’t ready for this altcoin—are you? (Ad)While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly positioning itself to overthrow the entire banking system.Click here to access the full report now. 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 $4.92 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 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 May 31st, traders have sold 124,200 shares of CLSD short. 0.18% of Clearside Biomedical's shares are currently sold short. Learn More on Clearside Biomedical's current short interest. 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. 0.18% of Clearside Biomedical's floating shares are currently sold short. Is Clearside Biomedical's short interest increasing or decreasing? Clearside Biomedical saw a drop in short interest in May. As of May 31st, there was short interest totaling 124,200 shares, a drop of 44.2% from the previous total of 222,400 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. How does Clearside Biomedical's short interest compare to its competitors? 0.18% 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: Acelyrin, Inc. (4.87%), Design Therapeutics, Inc. (11.86%), UroGen Pharma Ltd. (17.61%), Cardiff Oncology, Inc. (37.39%), Canopy Growth Co. (9.91%), ProKidney Corp. (18.12%), Genfit S.A. (0.08%), Y-mAbs Therapeutics, Inc. (7.91%), DBV Technologies S.A. (0.08%), Aerovate Therapeutics, Inc. (21.72%), 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 ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 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 $0.00 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 increases 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 May, 31 2025. More Short Interest Resources from MarketBeat Related Companies Acelyrin Short Squeeze Design Therapeutics Short Squeeze UroGen Pharma Short Squeeze Cardiff Oncology Short Squeeze Canopy Growth Short Squeeze ProKidney Short Squeeze Genfit Short Squeeze Y-mAbs Therapeutics Short Squeeze DBV Technologies Short Squeeze Aerovate Therapeutics 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 6/12/2025 by MarketBeat.com Staff From Our PartnersTrump’s Exec Order #14154 could be a “Millionaire-Maker”Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans...Paradigm Press | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? 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