Dyne Therapeutics (DYN) Short Interest Ratio & Short Volume $13.75 +0.11 (+0.81%) Closing price 04:00 PM EasternExtended Trading$13.82 +0.07 (+0.54%) As of 05:09 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Dyne Therapeutics Short Interest DataDyne Therapeutics (DYN) has a short interest of 16.31 million shares, representing 13.35% of the float (the number of shares available for trading by the public). This marks a 3.69% increase in short interest from the previous month. The short interest ratio (days to cover) is 5.4, indicating that it would take 5.4 days of the average trading volume of 2.64 million shares to cover all short positions.Current Short Interest16,310,000 sharesPrevious Short Interest15,730,000 sharesChange Vs. Previous Month+3.69%Dollar Volume Sold Short$160.65 millionShort Interest Ratio5.4 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares142,260,000 sharesShort Percent of Float13.35%Today's Trading Volume4,281,497 sharesAverage Trading Volume2,640,725 sharesToday's Volume Vs. Average162% Short Selling Dyne Therapeutics? Sign up to receive the latest short interest report for Dyne Therapeutics and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartDYN Short Interest Over TimeDYN Days to Cover Over TimeDYN Percentage of Float Shorted Over Time Dyne 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 7/31/202516,310,000 shares $160.65 million +3.7%13.4%5.4 $9.85 7/15/202515,730,000 shares $130.24 million -3.9%N/A5.5 $8.28 6/30/202516,370,000 shares $155.84 million -20.6%16.8%5.6 $9.52 6/15/202520,620,000 shares $297.13 million -19.2%21.1%7.7 $14.41 5/31/202525,530,000 shares $301.76 million +10.0%31.7%10.3 $11.82 5/15/202523,200,000 shares $272.37 million +56.1%28.8%9.5 $11.74 4/30/202514,860,000 shares $175.20 million -2.7%N/A6.3 $11.79 4/15/202515,270,000 shares $119.87 million +34.7%18.9%6.8 $7.85 3/31/202511,340,000 shares $118.62 million -8.4%14.1%4.8 $10.46 3/15/202512,380,000 shares $149.18 million +6.1%15.4%6.2 $12.05 Get the Latest News and Ratings for DYN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Dyne Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 2/28/202511,670,000 shares $158.83 million +7.1%14.5%6.4 $13.61 2/15/202510,900,000 shares $151.62 million +14.0%13.5%6.4 $13.91 1/31/20259,560,000 shares $135.94 million +1.7%N/A5.7 $14.22 1/15/20259,400,000 shares $146.08 million -10.7%N/A6.1 $15.54 12/31/202410,520,000 shares $247.85 million +1.2%N/A9.8 $23.56 12/15/202410,400,000 shares $267.59 million +0.5%N/A11.2 $25.73 11/30/202410,350,000 shares $316.81 million +2.0%N/A10 $30.61 11/15/202410,150,000 shares $288.16 million +2.1%N/A7.9 $28.39 10/31/20249,940,000 shares $286.87 million +9.1%N/A8.1 $28.86 10/15/20249,110,000 shares $306.00 million +2.6%N/A7.3 $33.59 9/30/20248,880,000 shares $318.97 million +15.9%N/A6.9 $35.92 9/15/20247,660,000 shares $260.90 million +11.5%N/A5.7 $34.06 8/31/20246,870,000 shares $316.64 million -6.9%N/A5.4 $46.09 8/15/20247,380,000 shares $337.56 million -25.3%N/A6.7 $45.74 7/31/20249,880,000 shares $423.95 million +6.9%N/A7.8 $42.91 7/15/20249,240,000 shares $400.46 million +1.8%N/A7.6 $43.34 6/30/20249,080,000 shares $320.43 million -9.5%N/A7.6 $35.29 6/15/202410,030,000 shares $331.69 million -0.8%N/A8.2 $33.07 5/31/202410,110,000 shares $322.31 million +8.0%N/A7.8 $31.88 5/15/20249,360,000 shares $275.00 million -2.8%N/A6.6 $29.38 4/30/20249,630,000 shares $243.74 million +6.8%18.9%7.8 $25.31 4/15/20249,020,000 shares $229.47 million +11.6%N/A6.5 $25.44 3/31/20248,080,000 shares $229.39 million +18.5%16.2%4.7 $28.39 3/15/20246,820,000 shares $190.89 million +3.2%13.7%3.2 $27.99 2/29/20246,610,000 shares $177.81 million -8.8%16.6%3.3 $26.90 2/15/20247,250,000 shares $171.10 million -15.2%19.1%4 $23.60 1/31/20248,550,000 shares $182.97 million +7.3%28.8%4.9 $21.40 1/15/20247,970,000 shares $133.02 million -18.5%26.8%5.1 $16.69 6/30/20235,480,000 shares $61.65 million +12.5%17.0%10.2 $11.25 6/15/20234,870,000 shares $58.93 million -1.4%15.1%9.4 $12.10Top Picks for Trump’s Pro-Crypto America (Ad)27 industry leaders share urgent market intel (free access)... For a very limited time, you can claim your spot for FREE.Click here to reserve your free seat at the Crypto Community Summit 5/31/20234,940,000 shares $64.37 million -1.0%15.8%12.1 $13.03 5/15/20234,990,000 shares $68.31 million +2.3%16.0%12.6 $13.69 4/30/20234,880,000 shares $50.56 million No Change15.3%13 $10.36 4/15/20234,880,000 shares $44.41 million +14.0%15.3%15.3 $9.10 3/31/20234,280,000 shares $49.31 million +5.2%13.5%12.5 $11.52 3/15/20234,070,000 shares $51.40 million +8.0%13.6%13.6 $12.63 2/28/20233,770,000 shares $48.56 million +1.9%12.7%11.4 $12.88 2/15/20233,700,000 shares $50.62 million +4.2%13.4%11.7 $13.68 1/31/20233,550,000 shares $51.83 million +25.0%13.0%11.7 $14.60 1/15/20232,840,000 shares $36.81 million +15.9%10.4%9.5 $12.96 12/30/20222,450,000 shares $28.40 million -11.2%8.9%8.7 $11.59 12/15/20222,760,000 shares $37.51 million +2.2%9.7%9 $13.59 11/30/20222,700,000 shares $31.59 million -5.3%9.5%11.1 $11.70 11/15/20222,850,000 shares $28.47 million +2.5%10.1%11.1 $9.99 10/31/20222,780,000 shares $31.69 million +23.6%9.7%10.3 $11.40 10/15/20222,250,000 shares $29.68 million +27.8%7.9%8.3 $13.19 9/30/20221,760,000 shares $22.35 million +38.6%6.2%6.7 $12.70 9/15/20221,270,000 shares $17.78 million +5.8%4.6%5.2 $14.00 8/31/20221,200,000 shares $11.76 million +17.7%4.4%5.1 $9.80 8/15/20221,020,000 shares $12.23 million +16.4%3.7%4.8 $11.99 7/31/2022876,500 shares $9.19 million -14.9%3.3%4.7 $10.49 7/15/20221,030,000 shares $10.56 million -73.0%3.8%5.8 $10.25 6/30/20223,820,000 shares $26.24 million +1.1%14.2%22.9 $6.87 6/15/20223,780,000 shares $20.87 million +139.2%14.0%23.2 $5.52 5/31/20221,580,000 shares $7.60 million -3.1%5.9%10.1 $4.81 5/15/20221,630,000 shares $9.10 million -2.4%6.1%10.4 $5.58 4/30/20221,670,000 shares $13.33 million +1.2%6.2%10.3 $7.98 4/15/20221,650,000 shares $15.81 million +1.2%6.1%8.6 $9.58 3/31/20221,630,000 shares $15.71 million -3.0%6.2%6.8 $9.64 3/15/20221,680,000 shares $14.50 million -28.8%6.4%7.1 $8.63 2/28/20222,360,000 shares $20.23 million +3.1%9.0%9.8 $8.57 2/15/20222,290,000 shares $17.04 million +5.5%8.7%9.2 $7.44 1/31/20222,170,000 shares $16.10 million -20.2%7.8%8.7 $7.42 1/15/20222,720,000 shares $25.27 million -2.5%9.8%10.8 $9.29 12/31/20212,790,000 shares $33.17 million +0.4%10.0%15 $11.89 12/15/20212,780,000 shares $36.00 million +1.8%10.0%14 $12.95 11/30/20212,730,000 shares $38.79 million +2.6%9.8%12.1 $14.21 11/15/20212,660,000 shares $38.86 million +15.7%9.5%11.7 $14.61 10/29/20212,300,000 shares $33.37 million +7.0%8.3%10.4 $14.51 10/15/20212,150,000 shares $31.99 million +2.9%7.8%9.2 $14.88 9/30/20212,090,000 shares $33.94 million +26.7%7.6%8.7 $16.24 9/15/20211,650,000 shares $26.86 million +10.0%6.0%6.2 $16.28 8/31/20211,500,000 shares $25.40 million -32.4%5.4%6 $16.93 8/13/20212,220,000 shares $38.47 million +8.8%8.1%9.1 $17.33 7/30/20212,040,000 shares $36.86 million +9.1%7.4%8.3 $18.07 7/15/20211,870,000 shares $35.34 million +2.2%6.7%8.2 $18.90 6/30/20211,830,000 shares $38.50 million -0.5%6.8%7.4 $21.04 6/15/20211,840,000 shares $37.65 million No Change6.8%8.1 $20.46 5/28/20211,840,000 shares $35.16 million -3.2%6.8%8.1 $19.11 5/14/20211,900,000 shares $32.26 million +7.3%7.0%7.1 $16.98Top Picks for Trump’s Pro-Crypto America (Ad)27 industry leaders share urgent market intel (free access)... For a very limited time, you can claim your spot for FREE.Click here to reserve your free seat at the Crypto Community Summit 4/30/20211,770,000 shares $33.98 million -10.6%6.5%5.9 $19.20 4/15/20211,980,000 shares $33.98 million +11.2%7.2%5 $17.16 3/31/20211,780,000 shares $27.11 million -5.3%6.5%4 $15.23 3/15/20211,880,000 shares $31.66 million +8.7%6.9%3.9 $16.84 2/26/20211,730,000 shares $33.46 million +7.5%6.3%3.8 $19.34 2/12/20211,610,000 shares $30.28 million +11.0%5.9%3.7 $18.81 1/29/20211,450,000 shares $27.10 million +3.6%6.5%3.5 $18.69 1/15/20211,400,000 shares $40.67 million No Change6.3%3.5 $29.05 DYN Short Interest - Frequently Asked Questions What is Dyne Therapeutics' current short interest? Short interest is the volume of Dyne Therapeutics shares that have been sold short but have not yet been closed out or covered. As of July 31st, traders have sold 16,310,000 shares of DYN short. 13.35% of Dyne Therapeutics' shares are currently sold short. Learn More on Dyne Therapeutics' current short interest. What is a good short interest ratio for Dyne 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. DYN shares currently have a short interest ratio of 5.0. Learn More on Dyne Therapeutics's short interest ratio. Which institutional investors are shorting Dyne Therapeutics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Dyne Therapeutics: Group One Trading LLC, Jane Street Group LLC, and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Dyne 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. 13.35% of Dyne Therapeutics' floating shares are currently sold short. Is Dyne Therapeutics' short interest increasing or decreasing? Dyne Therapeutics saw a increase in short interest in July. As of July 31st, there was short interest totaling 16,310,000 shares, an increase of 3.7% from the previous total of 15,730,000 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 Dyne Therapeutics' short interest compare to its competitors? 13.35% of Dyne Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Dyne Therapeutics: Grifols, S.A. (1.21%), Revolution Medicines, Inc. (8.12%), Rhythm Pharmaceuticals, Inc. (7.23%), Legend Biotech Corporation Sponsored ADR (4.26%), Abivax SA Sponsored ADR (2.78%), Avidity Biosciences, Inc. (13.10%), Axsome Therapeutics, Inc. (9.47%), Nuvalent, Inc. (11.99%), Merus N.V. (6.44%), CRISPR Therapeutics AG (26.94%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Dyne Therapeutics stock? Short selling DYN is an investing strategy that aims to generate trading profit from Dyne Therapeutics as its price is falling. DYN shares are trading up $0.26 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 Dyne Therapeutics? A short squeeze for Dyne Therapeutics 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 DYN, which in turn drives the price of the stock up even further. How often is Dyne 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 DYN, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Grifols Short Squeeze Revolution Medicines Short Squeeze Rhythm Pharmaceuticals Short Squeeze Legend Biotech Short Squeeze Abivax Short Squeeze Avidity Biosciences Short Squeeze Axsome Therapeutics Short Squeeze Nuvalent Short Squeeze Merus Short Squeeze CRISPR 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:DYN) was last updated on 8/28/2025 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 | SponsoredA New Way to Double Your Retirement Income?Bloomberg reports that a new class of investments is “entering a golden era,” with yields fueling a retail boo...Investors Alley | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredThe stealth altcoin the financial world is underestimatingThis DeFi project could soar next When altcoin season fully kicks in—which the data suggests is happening R...Crypto 101 Media | SponsoredMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | SponsoredEveryone’s watching Nvidia right now. 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