Clearside Biomedical (CLSD) Short Interest Ratio & Short Volume $0.86 +0.01 (+1.53%) As of 03:50 PM Eastern This is a fair market value 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 249,700 shares. This marks a -50.14% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.3, indicating that it would take 1.3 days of the average trading volume of 340,707 shares to cover all short positions.Current Short Interest249,700 sharesPrevious Short Interest500,800 sharesChange Vs. Previous Month-50.14%Dollar Volume Sold Short$216,015.47Short Interest Ratio1.3 Days to CoverLast Record DateApril 30, 2025Outstanding Shares77,279,000 sharesPercentage of Shares Shorted0.32%Today's Trading Volume58,231 sharesAverage Trading Volume340,707 sharesToday's Volume Vs. Average17% 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 4/30/2025249,700 shares $216,015.47 -50.1%N/A1.3 $0.87 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 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. 11/30/20241,340,000 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 $331,724.00 -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 $0.83The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 8/31/2023263,400 shares $239,694.00 +20.2%0.5%2.1 $0.91 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 $5.69The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 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 5/29/20201,520,000 shares $2.83 million +2.0%4.6%3.2 $1.86 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 30th, traders have sold 249,700 shares of CLSD 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 1.0. Learn More on Clearside Biomedical's short interest ratio. Is Clearside Biomedical's short interest increasing or decreasing? Clearside Biomedical saw a decrease in short interest during the month of April. As of April 30th, there was short interest totaling 249,700 shares, a decrease of 50.1% from the previous total of 500,800 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? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Clearside Biomedical: Immutep Limited (2.78%), Cartesian Therapeutics, Inc. (30.19%), Aura Biosciences, Inc. (4.83%), Canopy Growth Co. (10.08%), 2seventy bio, Inc. (5.37%), iTeos Therapeutics, Inc. (7.64%), Terns Pharmaceuticals, Inc. (8.30%), Monte Rosa Therapeutics, Inc. (17.13%), Lifecore Biomedical, Inc. (7.84%), Allogene Therapeutics, Inc. (13.77%), 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 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 April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Immutep Short Squeeze Cartesian Therapeutics Short Squeeze Aura Biosciences Short Squeeze Canopy Growth Short Squeeze 2seventy bio Short Squeeze iTeos Therapeutics Short Squeeze Terns Pharmaceuticals Short Squeeze Monte Rosa Therapeutics Short Squeeze Lifecore Biomedical Short Squeeze Allogene 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 5/22/2025 by MarketBeat.com Staff From Our PartnersJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. And it's one the Big Banks are alread...Premier Gold Co | SponsoredThink NVDA’s run was epic? You ain’t seen nothin’ yetAsk most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. 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