Celldex Therapeutics (CLDX) Short Interest Ratio & Short Volume $20.27 -0.51 (-2.43%) As of 12:15 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Celldex Therapeutics Short Interest DataCelldex Therapeutics (CLDX) has a short interest of 8.88 million shares, representing 13.91% of the float (the number of shares available for trading by the public). This marks a -3.37% decrease in short interest from the previous month. The short interest ratio (days to cover) is 9.7, indicating that it would take 9.7 days of the average trading volume of 825,525 shares to cover all short positions.Current Short Interest8,880,000 sharesPrevious Short Interest9,190,000 sharesChange Vs. Previous Month-3.37%Dollar Volume Sold Short$182.66 millionShort Interest Ratio9.7 Days to CoverLast Record DateFebruary 28, 2025Outstanding Shares66,384,000 sharesShort Percent of Float13.91%Today's Trading Volume89,386 sharesAverage Trading Volume825,525 sharesToday's Volume Vs. Average11% Short Selling Celldex Therapeutics? Sign up to receive the latest short interest report for Celldex Therapeutics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCLDX Short Interest Over TimeCLDX Days to Cover Over TimeCLDX Percentage of Float Shorted Over Time Remove Ads Celldex Therapeutics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 2/28/20258,880,000 shares $182.66 million -3.4%13.9%9.7 $20.57 2/15/20259,190,000 shares $208.61 million +3.6%14.4%9.8 $22.70 1/31/20258,870,000 shares $217.23 million +4.6%N/A8.8 $24.49 1/15/20258,480,000 shares $191.82 million +4.8%N/A8.2 $22.62 12/31/20248,090,000 shares $204.43 million +10.7%N/A8 $25.27 12/15/20247,310,000 shares $185.75 million -5.1%N/A6 $25.41 11/30/20247,700,000 shares $211.29 million -1.7%N/A6.5 $27.44 11/15/20247,830,000 shares $184.40 million -5.0%N/A6.8 $23.55 10/31/20248,240,000 shares $214.73 million -1.9%N/A7.7 $26.06 10/15/20248,400,000 shares $246.96 million +1.1%N/A8.3 $29.40 Get the Latest News and Ratings for CLDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Celldex Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 9/30/20248,310,000 shares $282.46 million -1.2%N/A8.5 $33.99 9/15/20248,410,000 shares $371.39 million -1.9%N/A11.4 $44.16 8/31/20248,570,000 shares $354.20 million -1.0%N/A12.2 $41.33 8/15/20248,660,000 shares $286.65 million +3.1%N/A12.2 $33.10 7/31/20248,400,000 shares $320.12 million +13.7%N/A12.1 $38.11 7/15/20247,390,000 shares $292.27 million +5.7%N/A11.5 $39.55 6/30/20246,990,000 shares $258.70 million +8.7%N/A10.9 $37.01 6/15/20246,430,000 shares $222.93 million +2.6%N/A10.1 $34.67 5/31/20246,270,000 shares $208.79 million -5.3%N/A9.1 $33.30 5/15/20246,620,000 shares $265.93 million -5.3%N/A7.4 $40.17 4/30/20246,990,000 shares $261.57 million +3.6%N/A7.7 $37.42 4/15/20246,750,000 shares $263.72 million +2.9%N/A7.3 $39.07 3/31/20246,560,000 shares $275.32 million +11.2%N/A6.9 $41.97 3/15/20245,900,000 shares $247.86 million -8.0%N/A6.4 $42.01 2/29/20246,410,000 shares $308.06 million -7.6%N/A7.4 $48.06 2/15/20246,940,000 shares $255.39 million +3.4%N/A9.3 $36.80 1/31/20246,710,000 shares $236.33 million +7.9%N/A8.5 $35.22 1/15/20246,220,000 shares $261.49 million -5.6%N/A7.6 $42.04 12/31/20236,590,000 shares $261.36 million -10.3%N/A8.6 $39.66 12/15/20237,350,000 shares $273.05 million -8.9%N/A9.6 $37.15 11/30/20238,070,000 shares $243.79 million +2.4%N/A11.1 $30.21 11/15/20237,880,000 shares $224.82 million +40.2%N/A11.3 $28.53 10/31/20235,620,000 shares $132.18 million +0.9%N/A9.2 $23.52 10/15/20235,570,000 shares $145.60 million -3.3%N/A12.1 $26.14 9/30/20235,760,000 shares $158.52 million -5.4%N/A13.1 $27.52 9/15/20236,090,000 shares $170.22 million -3.3%N/A14.3 $27.95 8/31/20236,300,000 shares $175.77 million -3.7%N/A13.5 $27.90 8/15/20236,540,000 shares $205.55 million +8.5%N/A14.3 $31.43 7/31/20236,030,000 shares $213.22 million -3.8%N/A13.8 $35.36 7/15/20236,270,000 shares $233.81 million +1.8%N/A13.5 $37.2930-year market phenomenon opens up overnight opportunity (Ad)Imagine this: When things worked out, you woke up, checked your account, and saw that you’ve made money overnight. Sounds like a dream, right? Well, what if that wasn’t a dream anymore? Earning while you sleep isn’t easy, and it definitely doesn’t happen overnight for most people. Tap here for the full breakdown. 6/30/20236,160,000 shares $209.01 million +2.7%N/A11 $33.93 6/15/20236,000,000 shares $221.22 million +3.5%N/A9.8 $36.87 5/31/20235,800,000 shares $184.44 million +7.0%N/A9.3 $31.80 5/15/20235,420,000 shares $185.69 million +1.1%N/A8.4 $34.26 4/30/20235,360,000 shares $168.52 million +3.5%N/A8.4 $31.44 4/15/20235,180,000 shares $156.90 million -1.7%N/A8.6 $30.29 3/31/20235,270,000 shares $189.61 million +38.0%N/A9.9 $35.98 3/15/20233,820,000 shares $167.13 million +5.5%N/A8 $43.75 2/28/20233,620,000 shares $154.90 million +4.3%N/A7.5 $42.79 2/15/20233,470,000 shares $148.79 million +4.5%N/A7.7 $42.88 1/31/20233,320,000 shares $146.28 million -4.3%N/A6.8 $44.06 1/15/20233,470,000 shares $159.69 million +1.8%N/A7 $46.02 12/30/20223,410,000 shares $151.98 million -17.2%N/A6.8 $44.57 12/15/20224,120,000 shares $182.47 million +1.7%N/A8 $44.29 11/30/20224,050,000 shares $150.21 million -1.9%N/A9 $37.09 11/15/20224,130,000 shares $151.53 million -8.2%N/A9 $36.69 10/31/20224,500,000 shares $158.09 million -0.9%N/A9.7 $35.13 10/15/20224,540,000 shares $142.74 million -1.5%N/A9.3 $31.44 9/30/20224,610,000 shares $129.59 million +2.4%N/A9 $28.11 9/15/20224,500,000 shares $136.40 million +2.3%N/A6.2 $30.31 8/31/20224,400,000 shares $133.76 million +4.0%N/A5.6 $30.40 8/15/20224,230,000 shares $158.92 million +14.3%N/A5.1 $37.57 7/31/20223,700,000 shares $113.66 million -2.9%30.7%4.3 $30.72 7/15/20223,810,000 shares $111.79 million -0.3%31.6%4.5 $29.34 6/30/20223,820,000 shares $102.99 million -18.9%31.7%4.7 $26.96 6/15/20224,710,000 shares $104.99 million +1.5%39.0%7.3 $22.29 5/31/20224,640,000 shares $109.13 million -5.5%N/A8 $23.52 5/15/20224,910,000 shares $147.25 million -1.0%N/A8.7 $29.99 4/30/20224,960,000 shares $151.53 million -9.3%N/A9 $30.55 4/15/20225,470,000 shares $196.04 million -0.2%N/A9.8 $35.84 3/31/20225,480,000 shares $186.65 million -8.7%N/A9.3 $34.06 3/15/20226,000,000 shares $187.26 million +3.3%N/A10.3 $31.21 2/28/20225,810,000 shares $173.72 million +11.7%N/A10 $29.90 2/15/20225,200,000 shares $169.78 million +2.4%N/A9.4 $32.65 1/31/20225,080,000 shares $157.53 million +3.3%N/A9.9 $31.01 1/15/20224,920,000 shares $157.00 million +3.1%N/A0 $31.91 12/31/20214,770,000 shares $184.31 million +9.9%N/A10.6 $38.64 12/15/20214,340,000 shares $166.92 million +6.6%N/A10.1 $38.46 11/30/20214,070,000 shares $155.07 million +12.4%N/A9.7 $38.10 11/15/20213,620,000 shares $155.70 million -2.7%N/A8.2 $43.01 10/29/20213,720,000 shares $158.25 million +25.7%N/A7.9 $42.54 10/15/20212,960,000 shares $136.69 million -0.7%N/A5.7 $46.18 9/30/20212,980,000 shares $160.89 million -11.0%N/A3.8 $53.99 9/15/20213,350,000 shares $178.25 million -15.4%N/A3.7 $53.21 8/31/20213,960,000 shares $208.49 million -8.1%N/A4.4 $52.65 8/13/20214,310,000 shares $188.43 million +15.2%N/A4.9 $43.72 7/30/20213,740,000 shares $163.63 million +11.6%N/A4.5 $43.75 7/15/20213,350,000 shares $146.93 million +19.2%N/A4.2 $43.86 6/30/20212,810,000 shares $93.97 million +11.1%7.3%4.1 $33.44 6/15/20212,530,000 shares $73.88 million -18.4%6.6%4.4 $29.2030-year market phenomenon opens up overnight opportunity (Ad)Imagine this: When things worked out, you woke up, checked your account, and saw that you’ve made money overnight. Sounds like a dream, right? Well, what if that wasn’t a dream anymore? Earning while you sleep isn’t easy, and it definitely doesn’t happen overnight for most people. Tap here for the full breakdown. 5/28/20213,100,000 shares $86.65 million -3.7%8.1%5.3 $27.95 5/14/20213,220,000 shares $80.53 million -3.0%N/A5.2 $25.01 4/30/20213,320,000 shares $103.82 million -3.8%N/A5 $31.27 4/15/20213,450,000 shares $76.83 million -3.1%N/A4.9 $22.27 3/31/20213,560,000 shares $70.24 million +24.9%N/A4.9 $19.73 3/15/20212,850,000 shares $72.33 million -0.7%N/A4.3 $25.38 2/26/20212,870,000 shares $78.95 million -16.6%N/A4.4 $27.51 2/12/20213,440,000 shares $81.70 million -2.0%N/A4.9 $23.75 1/29/20213,510,000 shares $72.80 million -1.7%N/A5.2 $20.74 1/15/20213,570,000 shares $64.19 million -25.8%N/A5.6 $17.98 12/31/20204,810,000 shares $86.00 million +118.6%N/A7.9 $17.88 12/15/20202,200,000 shares $40.13 million -9.5%N/A3 $18.24 11/30/20202,430,000 shares $55.28 million -13.8%N/A3.4 $22.75 11/15/20202,820,000 shares $56.32 million -5.4%N/A4.1 $19.97 10/30/20202,980,000 shares $45.83 million -8.0%N/A4.5 $15.38 10/15/20203,240,000 shares $52.91 million -1.5%N/A4.6 $16.33 9/30/20203,290,000 shares $48.79 million +9.7%N/A4.3 $14.83 9/15/20203,000,000 shares $35.19 million +23.5%N/A4.4 $11.73 8/31/20202,430,000 shares $29.01 million +102.5%N/A0.9 $11.94 8/14/20201,200,000 shares $12.37 million +52.5%N/A0.4 $10.31 7/31/2020787,000 shares $8.10 million -17.3%N/A0.3 $10.29 7/15/2020951,200 shares $10.21 million -37.8%N/A0.3 $10.73 6/30/20201,530,000 shares $19.89 million -33.8%N/A0.6 $13.00 6/15/20202,310,000 shares $24.74 million +668.2%N/A0.9 $10.71 5/29/2020300,700 shares $796,855.00 +13.8%N/A0.7 $2.65 5/15/2020264,200 shares $597,092.00 -13.9%N/A0.7 $2.26 4/30/2020306,700 shares $751,415.00 -2.6%N/A0.7 $2.45 4/15/2020314,900 shares $588,863.00 -2.4%N/A0.8 $1.87 3/31/2020322,500 shares $970,725.00 -22.3%N/A1 $3.01 CLDX Short Interest - Frequently Asked Questions What is Celldex Therapeutics' current short interest? Short interest is the volume of Celldex Therapeutics shares that have been sold short but have not yet been covered or closed out. As of February 28th, investors have sold 8,880,000 shares of CLDX short. 13.91% of Celldex Therapeutics' shares are currently sold short. Learn More on Celldex Therapeutics' current short interest. What is a good short interest ratio for Celldex Therapeutics? 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. CLDX shares currently have a short interest ratio of 10.0. Learn More on Celldex Therapeutics's short interest ratio. Which institutional investors are shorting Celldex Therapeutics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Celldex Therapeutics: Jefferies Financial Group Inc., Group One Trading LLC, Citadel Advisors LLC, Jane Street Group LLC, Boothbay Fund Management LLC, Susquehanna International Group LLP, Concourse Financial Group Securities Inc., Valence8 US LP, Belvedere Trading LLC, and JPMorgan Chase & Co.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Celldex Therapeutics? 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. 13.91% of Celldex Therapeutics' floating shares are currently sold short. Is Celldex Therapeutics' short interest increasing or decreasing? Celldex Therapeutics saw a drop in short interest in February. As of February 28th, there was short interest totaling 8,880,000 shares, a drop of 3.4% from the previous total of 9,190,000 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 Celldex Therapeutics' short interest compare to its competitors? 13.91% of Celldex Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to Celldex Therapeutics: Ionis Pharmaceuticals, Inc. (8.31%), Amicus Therapeutics, Inc. (5.32%), Ligand Pharmaceuticals Incorporated (4.39%), Dynavax Technologies Co. (14.85%), BioCryst Pharmaceuticals, Inc. (8.12%), MannKind Co. (9.88%), Novavax, Inc. (24.74%), OPKO Health, Inc. (29.47%), Geron Co. (9.97%), Innoviva, Inc. (15.00%), 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 ($23.74 billion), iShares 20+ Year Treasury Bond ETF ($10.75 billion), MicroStrategy Incorporated ($6.56 billion), Apollo Global Management, Inc. ($5.40 billion), Charter Communications, Inc. ($4.57 billion), AppLovin Co. ($4.45 billion), Capital One Financial Co. ($4.33 billion), Super Micro Computer, Inc. ($4.23 billion), Schlumberger Limited ($3.22 billion), and Royal Caribbean Cruises Ltd. ($3.06 billion). View all of the most shorted stocks. What does it mean to sell short Celldex Therapeutics stock? Short selling CLDX is an investing strategy that aims to generate trading profit from Celldex Therapeutics as its price is falling. CLDX shares are trading up $1.14 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 Celldex Therapeutics? A short squeeze for Celldex Therapeutics 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 CLDX, which in turn drives the price of the stock up even further. How often is Celldex Therapeutics' 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 CLDX, twice per month. The most recent reporting period available is February, 28 2025. 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