XBiotech (XBIT) Short Interest Ratio & Short Volume $2.76 -0.05 (-1.78%) As of 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock XBiotech Short Interest DataXBiotech (XBIT) has a short interest of 775,500 shares, representing 3.98% of the float (the number of shares available for trading by the public). This marks a -3.80% decrease in short interest from the previous month. The short interest ratio (days to cover) is 15.1, indicating that it would take 15.1 days of the average trading volume of 73,924 shares to cover all short positions.Current Short Interest775,500 sharesPrevious Short Interest806,100 sharesChange Vs. Previous Month-3.80%Dollar Volume Sold Short$2.20 millionShort Interest Ratio15.1 Days to CoverLast Record DateMay 31, 2025Outstanding Shares30,488,000 sharesFloat Size19,500,000 sharesShort Percent of Float3.98%Today's Trading Volume64,349 sharesAverage Trading Volume73,924 sharesToday's Volume Vs. Average87% Short Selling XBiotech? Sign up to receive the latest short interest report for XBiotech and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartXBIT Short Interest Over TimeXBIT Days to Cover Over TimeXBIT Percentage of Float Shorted Over Time XBiotech Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/2025775,500 shares $2.20 million -3.8%4.0%15.1 $2.84 5/15/2025806,100 shares $2.40 million -10.3%4.1%15.6 $2.98 4/30/2025898,600 shares $2.73 million +28.8%4.6%16.2 $3.04 4/15/2025697,600 shares $2.22 million -9.9%3.6%13.2 $3.18 3/31/2025773,900 shares $2.51 million -3.3%4.0%14.6 $3.24 3/15/2025800,100 shares $2.65 million -23.1%4.1%12.6 $3.31 2/28/20251,040,000 shares $3.66 million +13.9%5.3%15.1 $3.52 2/15/2025912,900 shares $2.99 million +0.6%4.7%13.1 $3.27 1/31/2025907,400 shares $3.14 million +15.2%4.7%12.7 $3.46 1/15/2025787,900 shares $3.06 million +2.2%4.0%11.5 $3.89 Get the Latest News and Ratings for XBIT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for XBiotech and its competitors with MarketBeat's FREE daily newsletter. 12/31/2024770,700 shares $3.04 million -0.6%3.9%11.7 $3.95 12/15/2024775,200 shares $5.39 million -3.6%3.9%13.1 $6.95 11/30/2024803,800 shares $6.12 million -5.3%4.1%16.2 $7.61 11/15/2024848,300 shares $5.65 million No Change4.3%17.9 $6.66 10/31/2024848,300 shares $6.16 million -6.3%4.3%17.7 $7.26 10/15/2024904,900 shares $6.74 million -2.2%4.6%18.4 $7.45 9/30/2024925,400 shares $7.15 million +6.9%4.7%15.6 $7.73 9/15/2024865,600 shares $6.11 million +1.6%4.4%7.9 $7.06 8/31/2024852,300 shares $5.45 million -5.8%4.3%6.9 $6.40 8/15/2024904,500 shares $5.76 million -3.6%4.6%7 $6.37 7/31/2024937,800 shares $7.24 million -0.9%4.8%7.3 $7.72 7/15/2024946,100 shares $5.95 million +68.0%4.8%7.2 $6.29 6/30/2024563,100 shares $2.89 million -14.3%2.9%4.2 $5.14 6/15/2024657,300 shares $4.01 million -0.8%3.3%6.7 $6.10 5/31/2024662,500 shares $4.80 million -0.9%3.4%8.3 $7.25 5/15/2024668,500 shares $5.74 million -5.8%3.7%9.1 $8.59 4/30/2024709,900 shares $5.44 million +5.9%3.9%9.1 $7.67 4/15/2024670,600 shares $6.31 million +10.9%3.4%9.4 $9.41 3/31/2024604,500 shares $4.91 million +3.3%3.1%10 $8.13 3/15/2024585,300 shares $3.46 million +8.9%3.0%12.8 $5.91 2/29/2024537,500 shares $3.36 million +35.4%2.7%14.6 $6.26 2/15/2024397,000 shares $2.29 million +5.4%2.0%12.1 $5.78 1/31/2024376,500 shares $1.73 million +9.6%1.9%15.5 $4.59 1/15/2024343,500 shares $1.72 million +1.2%1.7%16.8 $5.00 12/31/2023339,400 shares $1.36 million -0.6%1.7%18.9 $4.00 12/15/2023341,500 shares $1.59 million -0.2%1.7%19 $4.65 11/30/2023342,300 shares $1.34 million +9.5%1.8%21.1 $3.92 11/15/2023312,500 shares $1.19 million +6.1%1.7%17.2 $3.80 10/31/2023294,500 shares $1.23 million -1.3%1.6%16.5 $4.18 10/15/2023298,500 shares $1.17 million +7.7%1.6%17.5 $3.93Trump’s Exec Order #14154 could be a “Millionaire-Maker” (Ad)Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans a chance at true financial independence in the months ahead.” We recently sat down with Rickards to capture all the key details on tape. For the moment, you can watch this interview free of charge – just click here. 9/30/2023277,200 shares $1.14 million +9.0%1.5%15.5 $4.12 9/15/2023254,400 shares $1.16 million +72.4%1.4%11.9 $4.55 8/31/2023147,600 shares $726.19 thousand -11.9%0.8%5 $4.92 8/15/2023167,600 shares $812.86 thousand +9.9%0.9%3.5 $4.85 7/31/2023152,500 shares $767.08 thousand -5.8%0.8%1.8 $5.03 7/15/2023161,900 shares $841.88 thousand -0.6%0.9%1.8 $5.20 6/30/2023162,800 shares $967.03 thousand +4.6%0.9%1.8 $5.94 6/15/2023155,600 shares $955.38 thousand +79.1%0.8%1.7 $6.14 5/31/202386,900 shares $442.76 thousand +3.7%0.5%1.1 $5.10 5/15/202383,800 shares $279.89 thousand +23.1%0.5%1.2 $3.34 4/30/202368,100 shares $234.26 thousand -5.0%0.4%2.3 $3.44 4/15/202371,700 shares $255.25 thousand -10.0%0.4%2.4 $3.56 3/31/202379,700 shares $274.97 thousand +12.7%0.5%2.5 $3.45 3/15/202370,700 shares $238.97 thousand -15.0%0.4%2 $3.38 2/28/202383,200 shares $279.55 thousand +22.5%0.5%2.1 $3.36 2/15/202367,900 shares $249.19 thousand -6.1%0.4%1.7 $3.67 1/31/202372,300 shares $314.51 thousand -9.7%0.4%1.9 $4.35 1/15/202380,100 shares $373.27 thousand +0.8%0.5%2.1 $4.66 12/30/202279,500 shares $279.05 thousand -22.1%0.5%2.1 $3.51 12/15/2022102,000 shares $332.52 thousand -27.2%0.6%2.8 $3.26 11/30/2022140,100 shares $453.92 thousand +16.9%0.9%3.9 $3.24 11/15/2022119,800 shares $433.68 thousand +24.7%0.8%3 $3.62 10/31/202296,100 shares $337.31 thousand +42.4%0.6%2.2 $3.51 10/15/202267,500 shares $247.05 thousand -11.0%0.4%1.4 $3.66 9/30/202275,800 shares $274.40 thousand +9.9%0.5%1.6 $3.62 9/15/202269,000 shares $280.83 thousand -22.2%0.4%0.8 $4.07 8/31/202288,700 shares $355.69 thousand +9.1%0.6%0.9 $4.01 8/15/202281,300 shares $413.82 thousand +89.5%0.5%0.7 $5.09 7/31/202242,900 shares $221.79 thousand -15.6%0.3%0.3 $5.17 7/15/202250,800 shares $265.18 thousand -21.0%0.3%0.4 $5.22 6/30/202264,300 shares $362.01 thousand -89.1%0.4%0.5 $5.63 6/15/2022589,100 shares $3.33 million +1.9%3.9%4.2 $5.66 5/31/2022578,100 shares $3.18 million -6.6%3.8%5.8 $5.50 5/15/2022619,000 shares $3.56 million +13.2%4.1%6.9 $5.75 4/30/2022546,900 shares $4.24 million +15.5%3.6%7.1 $7.76 4/15/2022473,600 shares $3.95 million -19.2%3.1%7.7 $8.33 3/31/2022585,900 shares $5.06 million +1.6%3.9%10.1 $8.64 3/15/2022576,800 shares $5.20 million +7.4%3.8%10.4 $9.01 2/28/2022536,900 shares $5.29 million -6.9%3.6%8.5 $9.86 2/15/2022576,400 shares $5.90 million +2.8%3.8%9 $10.23 1/31/2022560,800 shares $6.04 million +0.9%3.4%8.4 $10.77 1/15/2022556,100 shares $6.45 million -4.8%3.3%8.3 $11.60 12/31/2021584,100 shares $6.50 million -13.0%N/A8.5 $11.13 12/15/2021671,100 shares $7.62 million -2.1%3.6%8.7 $11.35 11/30/2021685,200 shares $8.65 million -3.2%3.7%9.9 $12.62 11/15/2021708,000 shares $9.61 million -1.5%3.8%11 $13.57 10/29/2021719,000 shares $10.54 million -0.2%3.8%12.1 $14.66 10/15/2021720,600 shares $9.52 million -0.2%3.9%12.6 $13.21 9/30/2021721,700 shares $9.35 million -4.2%3.9%9.7 $12.95 9/15/2021753,100 shares $11.88 million -1.1%4.1%9.6 $15.77Billionaires are piling into this gold investment (Ad)Billionaires Are Piling into a Special Gold Investment With record gold prices, everyday Americans are scrambling to buy gold coins and bars. 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Click here to see how to make the most out of this historic gold bull market. 8/31/2021761,400 shares $12.16 million +3.2%4.2%9.2 $15.97 8/13/2021737,900 shares $11.78 million -2.5%4.1%8.4 $15.96 7/30/2021756,400 shares $12.25 million -8.3%4.2%8.5 $16.20 7/15/2021825,200 shares $13.67 million -8.0%4.6%8.9 $16.57 6/30/2021897,300 shares $14.86 million -14.5%5.0%11.4 $16.56 6/15/20211,050,000 shares $17.08 million -10.3%5.9%15.4 $16.27 5/28/20211,170,000 shares $20.18 million -6.4%6.6%17.9 $17.25 5/14/20211,250,000 shares $21.40 million -5.3%7.1%18.2 $17.12 4/30/20211,320,000 shares $23.52 million -6.4%7.5%16.9 $17.82 4/15/20211,410,000 shares $23.81 million -1.4%8.2%14.7 $16.89 3/31/20211,430,000 shares $24.24 million No Change8.3%13.2 $16.95 3/15/20211,430,000 shares $28.54 million -4.7%8.1%12.7 $19.96 2/26/20211,500,000 shares $28.41 million -3.2%8.5%14 $18.94 2/12/20211,550,000 shares $31.12 million -4.3%8.8%13.6 $20.08 1/29/20211,620,000 shares $29.34 million -1.2%9.2%14.8 $18.11 1/15/20211,640,000 shares $27.70 million -0.6%9.3%15.9 $16.89 12/31/20201,650,000 shares $26.30 million -2.9%9.4%18.8 $15.94 12/15/20201,700,000 shares $32.18 million No Change10.3%19.6 $18.93 11/30/20201,700,000 shares $32.96 million +0.6%11.2%16.6 $19.39 10/30/20201,820,000 shares $31.78 million -1.1%12.6%12 $17.46 10/15/20201,840,000 shares $35.75 million +4.0%12.7%11.3 $19.43 9/30/20201,770,000 shares $33.79 million -11.5%12.2%9.2 $19.09 9/15/20202,000,000 shares $39.66 million -2.0%14.3%9.7 $19.83 8/31/20202,040,000 shares $38.60 million +9.7%14.6%10.2 $18.92 8/14/20201,860,000 shares $31.99 million -5.6%13.3%9.3 $17.20 7/31/20201,970,000 shares $28.64 million -8.8%14.2%11.2 $14.54 7/15/20202,160,000 shares $32.70 million -2.3%15.5%10.6 $15.14 6/30/20202,210,000 shares $31.71 million +11.6%15.9%11.2 $14.35 6/15/20201,980,000 shares $26.81 million -6.6%14.2%8.7 $13.54 XBIT Short Interest - Frequently Asked Questions What is XBiotech's current short interest? Short interest is the volume of XBiotech shares that have been sold short but have not yet been covered or closed out. As of May 31st, investors have sold 775,500 shares of XBIT short. 3.98% of XBiotech's shares are currently sold short. Learn More on XBiotech's current short interest. What is a good short interest ratio for XBiotech? 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. XBIT shares currently have a short interest ratio of 15.0. Learn More on XBiotech's short interest ratio. What is a good short interest percentage for XBiotech? 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. 3.98% of XBiotech's floating shares are currently sold short. Is XBiotech's short interest increasing or decreasing? XBiotech saw a decrease in short interest in May. As of May 31st, there was short interest totaling 775,500 shares, a decrease of 3.8% from the previous total of 806,100 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 XBiotech's float size? XBiotech currently has issued a total of 30,488,000 shares. Some of XBiotech's 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. XBiotech currently has a public float of 19,500,000 shares. How does XBiotech's short interest compare to its competitors? 3.98% of XBiotech's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to XBiotech: Arcturus Therapeutics Holdings Inc. (22.15%), ADC Therapeutics SA (4.60%), Rapport Therapeutics (15.06%), Organogenesis Holdings Inc. (17.84%), SNDL Inc. (1.30%), Inventiva S.A. (0.96%), Phathom Pharmaceuticals, Inc. (21.16%), Aura Biosciences, Inc. (5.67%), Entrada Therapeutics, Inc. (4.91%), Alpha Teknova, Inc. (27.21%), 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 XBiotech stock? Short selling XBIT is an investing strategy that aims to generate trading profit from XBiotech as its price is falling. XBIT shares are trading down $0.06 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 XBiotech? A short squeeze for XBiotech 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 XBIT, which in turn drives the price of the stock up even further. How often is XBiotech'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 XBIT, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies Arcturus Therapeutics Short Interest Data ADC Therapeutics Short Interest Data Rapport Therapeutics Short Interest Data Organogenesis Short Interest Data SNDL Short Interest Data Inventiva Short Interest Data Phathom Pharmaceuticals Short Interest Data Aura Biosciences Short Interest Data Entrada Therapeutics Short Interest Data Alpha Teknova 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:XBIT) 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 | SponsoredGold is soaring. 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