Jasper Therapeutics (JSPR) Short Interest Ratio & Short Volume $3.18 -0.09 (-2.60%) As of 01:14 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Jasper Therapeutics Short Interest DataJasper Therapeutics (JSPR) has a short interest of 1.29 million shares, representing 10.25% of the float (the number of shares available for trading by the public). This marks a -16.23% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.3, indicating that it would take 2.3 days of the average trading volume of 537,710 shares to cover all short positions.Current Short Interest1,290,000 sharesPrevious Short Interest1,540,000 sharesChange Vs. Previous Month-16.23%Dollar Volume Sold Short$7.16 millionShort Interest Ratio2.3 Days to CoverLast Record DateJune 30, 2025Outstanding Shares15,020,000 sharesFloat Size12,590,000 sharesShort Percent of Float10.25%Today's Trading Volume178,608 sharesAverage Trading Volume537,710 sharesToday's Volume Vs. Average33% Short Selling Jasper Therapeutics? Sign up to receive the latest short interest report for Jasper 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 ChartJSPR Short Interest Over TimeJSPR Days to Cover Over TimeJSPR Percentage of Float Shorted Over Time Jasper 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 6/30/20251,290,000 shares $7.16 million -16.2%10.3%2.3 $5.55 6/15/20251,540,000 shares $8.59 million -11.0%12.2%7.5 $5.58 5/31/20251,730,000 shares $9.60 million -0.6%13.7%8.7 $5.55 5/15/20251,740,000 shares $8.47 million +0.6%13.8%8.4 $4.87 4/30/20251,730,000 shares $9.50 million -3.4%14.6%6.8 $5.49 4/15/20251,790,000 shares $7.57 million -4.3%15.1%5.9 $4.23 3/31/20251,870,000 shares $8.04 million +12.0%15.7%3.6 $4.30 3/15/20251,670,000 shares $9.17 million -19.7%14.1%3.2 $5.49 2/28/20252,080,000 shares $12.33 million -16.8%17.5%4 $5.93 2/15/20252,500,000 shares $15.20 million -8.1%21.1%5 $6.08 Get the Latest News and Ratings for JSPR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Jasper Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 1/31/20252,720,000 shares $16.48 million -15.5%24.2%5.7 $6.06 1/15/20253,220,000 shares $18.74 million +38.8%28.7%7.2 $5.82 12/31/20242,320,000 shares $49.60 million +12.1%20.6%5.6 $21.38 12/15/20242,070,000 shares $42.64 million +0.5%18.4%7.7 $20.60 11/30/20242,060,000 shares $46.99 million +6.2%18.3%7.6 $22.81 11/15/20241,940,000 shares $39.63 million +10.2%17.2%7 $20.43 10/31/20241,760,000 shares $37.28 million -2.8%15.2%6.6 $21.18 10/15/20241,810,000 shares $33.09 million +21.5%15.6%7.3 $18.28 9/30/20241,490,000 shares $28.03 million -22.8%12.9%7.3 $18.81 9/15/20241,930,000 shares $43.91 million -3.5%16.7%9.2 $22.75 8/31/20242,000,000 shares $43.60 million +8.7%17.3%10.6 $21.80 8/15/20241,840,000 shares $33.30 million +12.2%16.0%10.4 $18.10 7/31/20241,640,000 shares $30.32 million +40.2%15.0%10.1 $18.49 7/15/20241,170,000 shares $23.31 million +40.6%10.7%8.3 $19.92 6/30/2024832,100 shares $18.89 million +4.3%7.6%7.1 $22.70 6/15/2024798,200 shares $19.97 million +16.6%7.3%9.3 $25.02 5/31/2024684,800 shares $17.78 million +5.1%6.3%7.5 $25.96 5/15/2024651,500 shares $14.07 million +6.0%6.0%6.5 $21.60 4/30/2024614,400 shares $14.67 million +24.8%5.2%5.4 $23.87 4/15/2024492,400 shares $12.95 million +9.0%4.2%4.4 $26.30 3/31/2024451,900 shares $13.27 million +38.1%3.8%3.5 $29.36 3/15/2024327,300 shares $8.21 million +13.3%2.8%2.6 $25.08 2/29/2024288,900 shares $6.14 million +2.5%2.7%2.1 $21.25 2/15/2024282,000 shares $5.06 million +2.1%2.7%2.2 $17.95 1/31/2024276,200 shares $3.25 million +43.5%3.4%2.5 $11.78 1/15/2024192,500 shares $1.62 million +4.5%2.4%2.2 $8.39 12/31/2023184,300 shares $1.45 million -90.4%2.3%3 $7.89 12/15/20231,910,000 shares $924.06 thousand +0.5%2.4%3.1 $0.48 11/30/20231,900,000 shares $1.17 million +2.7%2.4%4.8 $0.61 11/15/20231,850,000 shares $1.06 million +1.1%2.3%5.3 $0.57The End of Elon Musk…? (Ad)The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, and he's been proven right time and time again. And now, while the media focuses on Tesla's "demise," he's uncovered an AI breakthrough that's about to make Elon's doubters eat their words yet again. According to his research, if you listen to the media and miss out on Elon's newest breakthrough, it's going to cost you the fortune of a lifetime.Click here to see why the "End of Elon" crowd is about to be wrong again. 10/31/20231,830,000 shares $1.21 million -2.7%2.3%5.5 $0.66 10/15/20231,880,000 shares $1.64 million +6.8%2.4%5.7 $0.87 9/30/20231,760,000 shares $1.23 million +45.5%2.2%5.2 $0.70 9/15/20231,210,000 shares $992.20 thousand +11.0%1.5%3.7 $0.82 8/31/20231,090,000 shares $1.34 million +9.0%1.4%4.1 $1.23 8/15/2023999,600 shares $1.44 million -1.0%1.3%3.6 $1.44 7/31/20231,010,000 shares $1.53 million +19.5%1.3%3.3 $1.51 7/15/2023845,500 shares $1.19 million +3.3%1.1%2.5 $1.41 6/30/2023818,600 shares $1.12 million +13.2%1.0%1.6 $1.37 6/15/2023723,100 shares $1.06 million -16.1%0.9%1.4 $1.47 5/31/2023861,500 shares $1.34 million -18.0%1.1%1.3 $1.55 5/15/20231,050,000 shares $1.64 million -16.7%1.3%1.2 $1.56 4/30/20231,260,000 shares $1.68 million -67.5%1.7%1.2 $1.33 4/15/20233,880,000 shares $5.63 million +5.7%4.8%2.9 $1.45 3/31/20233,670,000 shares $6.64 million +20.7%4.4%1.4 $1.81 3/15/20233,040,000 shares $5.78 million -12.1%3.6%0.8 $1.90 2/28/20233,460,000 shares $6.68 million +46.0%4.1%1 $1.93 2/15/20232,370,000 shares $4.14 million +76.9%2.8%0.7 $1.75 1/31/20231,340,000 shares $2.28 million +52.0%1.6%0.4 $1.70 1/15/2023881,800 shares $1.57 million +240.7%6.9%0.3 $1.78 12/30/2022258,800 shares $124.97 thousand +21.6%2.0%0.1 $0.48 12/15/2022212,900 shares $137.02 thousand +48.1%1.7%3.2 $0.64 11/30/2022143,800 shares $90.31 thousand +30.6%1.2%2.2 $0.63 11/15/2022110,100 shares $71.57 thousand +37.6%0.9%1.6 $0.65 10/31/202280,000 shares $58.40 thousand +78.6%0.7%1.1 $0.73 10/15/202244,800 shares $32.48 thousand -54.2%0.4%0.6 $0.72 9/30/202297,800 shares $77.17 thousand +1,170.1%0.7%1.4 $0.79 9/15/20227,700 shares $10.01 thousand -89.9%0.1%0.1 $1.30 8/31/202276,400 shares $145.16 thousand -25.3%0.6%1.8 $1.90 8/15/2022102,300 shares $214.83 thousand -7.3%0.8%2.8 $2.10 7/31/2022110,300 shares $208.47 thousand -6.6%0.8%3.2 $1.89 7/15/2022118,100 shares $227.93 thousand -9.7%0.9%2.7 $1.93 6/30/2022130,800 shares $252.44 thousand +96.4%1.0%3.1 $1.93 6/15/202266,600 shares $133.87 thousand -26.6%0.5%1.2 $2.01 5/31/202290,700 shares $287.52 thousand -5.6%0.7%1.6 $3.17 5/15/202296,100 shares $287.34 thousand -31.8%0.7%1.3 $2.99 4/30/2022140,900 shares $429.75 thousand +15.4%1.1%1.7 $3.05 4/15/2022122,100 shares $347.99 thousand -6.6%1.0%1.5 $2.85 3/31/2022130,700 shares $463.99 thousand -30.6%1.1%1.4 $3.55 3/15/2022188,400 shares $580.27 thousand -36.3%1.5%2 $3.08 2/28/2022295,900 shares $1.11 million +3.6%2.4%1.9 $3.75 2/15/2022285,500 shares $1.32 million -36.4%2.3%1.6 $4.63 1/31/2022448,900 shares $2.12 million +2.1%3.6%2.1 $4.73 1/15/2022439,700 shares $2.54 million -10.4%3.5%1.4 $5.77 12/31/2021490,800 shares $3.85 million No Change4.0%0.2 $7.85 JSPR Short Interest - Frequently Asked Questions What is Jasper Therapeutics' current short interest? Short interest is the volume of Jasper Therapeutics shares that have been sold short but have not yet been closed out or covered. As of June 30th, investors have sold 1,290,000 shares of JSPR short. 10.25% of Jasper Therapeutics' shares are currently sold short. Learn More on Jasper Therapeutics' current short interest. What is a good short interest ratio for Jasper 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. JSPR shares currently have a short interest ratio of 2.0. Learn More on Jasper Therapeutics's short interest ratio. Which institutional investors are shorting Jasper Therapeutics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Jasper Therapeutics: 683 Capital Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Jasper 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. 10.25% of Jasper Therapeutics' floating shares are currently sold short. Is Jasper Therapeutics' short interest increasing or decreasing? Jasper Therapeutics saw a decline in short interest in June. As of June 30th, there was short interest totaling 1,290,000 shares, a decline of 16.2% from the previous total of 1,540,000 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. What is Jasper Therapeutics' float size? Jasper Therapeutics currently has issued a total of 15,020,000 shares. Some of Jasper Therapeutics' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Jasper Therapeutics currently has a public float of 12,590,000 shares. How does Jasper Therapeutics' short interest compare to its competitors? 10.25% of Jasper Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Jasper Therapeutics: Neumora Therapeutics, Inc. (16.13%), 4D Molecular Therapeutics, Inc. (9.29%), Eupraxia Pharmaceuticals Inc. (0.62%), Ventyx Biosciences, Inc. (0.01%), Organigram Global Inc. (6.22%), SELLAS Life Sciences Group, Inc. (24.76%), Y-mAbs Therapeutics, Inc. (0.01%), CytomX Therapeutics, Inc. (29.73%), China SXT Pharmaceuticals, Inc. (0.06%), Voyager Therapeutics, Inc. (18.13%), 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 ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Jasper Therapeutics stock? Short selling JSPR is an investing strategy that aims to generate trading profit from Jasper Therapeutics as its price is falling. JSPR shares are trading up $0.12 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 Jasper Therapeutics? A short squeeze for Jasper 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 JSPR, which in turn drives the price of the stock up even further. How often is Jasper 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 JSPR, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies NMRA Short Interest Data FDMT Short Interest Data EPRX Short Interest Data VTYX Short Interest Data OGI Short Interest Data SLS Short Interest Data YMAB Short Interest Data CTMX Short Interest Data SXTC Short Interest Data VYGR Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:JSPR) was last updated on 7/24/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...Priority Gold | SponsoredGenesis 14:13-17 [HIDDEN MEANING?]A mysterious Bible verse from Genesis may hold the key to unlocking what one expert calls an “American birthri...Paradigm Press | SponsoredCritical AI announcement set to ignite AI 2.0 I just put together an urgent new presentation that you need to see right away. In short: I believe we are...Timothy Sykes | SponsoredThe End of Elon Musk…?The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, an...Brownstone Research | SponsoredA grave, grave error.I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we...Porter & Company | SponsoredBREAKING: The House just passed 3 pro-crypto bills!Experts Believe Altcoin Season is Here! With this new legislation in effect, crypto experts across the coun...Crypto 101 Media | SponsoredFREE GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...GoldCo Precious Metals | SponsoredA new rule goes live in July — and the banks are quietly cashing inA little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Stre...American Alternative | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Jasper Therapeutics, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Jasper Therapeutics With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.