FibroBiologics (FBLG) Short Interest Ratio & Short Volume $0.64 +0.03 (+4.72%) Closing price 07/3/2025 03:58 PM EasternExtended Trading$0.64 0.00 (0.00%) As of 07/3/2025 04:57 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock FibroBiologics Short Interest DataFibroBiologics (FBLG) has a short interest of 1.35 million shares, representing 4.92% of the float (the number of shares available for trading by the public). This marks a 8.00% increase in short interest from the previous month. The short interest ratio (days to cover) is 5.8, indicating that it would take 5.8 days of the average trading volume of 302,011 shares to cover all short positions.Current Short Interest1,350,000 sharesPrevious Short Interest1,250,000 sharesChange Vs. Previous Month+8.00%Dollar Volume Sold Short$1.09 millionShort Interest Ratio5.8 Days to CoverLast Record DateJune 15, 2025Outstanding Shares38,260,000 sharesFloat Size27,420,000 sharesShort Percent of Float4.92%Today's Trading Volume366,945 sharesAverage Trading Volume302,011 sharesToday's Volume Vs. Average122% Short Selling FibroBiologics? Sign up to receive the latest short interest report for FibroBiologics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartFBLG Short Interest Over TimeFBLG Days to Cover Over TimeFBLG Percentage of Float Shorted Over Time FibroBiologics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/15/20251,350,000 shares $1.09 million +8.0%4.9%5.8 $0.81 5/31/20251,250,000 shares $893.88 thousand -20.4%4.2%5.8 $0.72 5/15/20251,570,000 shares $1.60 million -1.3%5.3%7.7 $1.02 4/30/20251,590,000 shares $1.78 million +3.9%5.4%5.4 $1.12 4/15/20251,530,000 shares $1.46 million -32.0%5.2%4.8 $0.96 3/31/20252,250,000 shares $2.03 million +1.8%7.7%7.8 $0.90 3/15/20252,210,000 shares $2.25 million +7.8%7.8%7.7 $1.02 2/28/20252,050,000 shares $2.58 million +5.1%7.3%7.2 $1.26 2/15/20251,950,000 shares $2.40 million +8.3%7.3%7.1 $1.23 1/31/20251,800,000 shares $2.90 million -28.0%6.8%7.8 $1.61 Get the Latest News and Ratings for FBLG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for FibroBiologics and its competitors with MarketBeat's FREE daily newsletter. 1/15/20252,500,000 shares $5.05 million +1.2%9.4%14.8 $2.02 12/31/20242,470,000 shares $4.94 million -1.2%9.3%15.5 $2.00 12/15/20242,500,000 shares $5.55 million -7.4%9.4%14.7 $2.22 11/30/20242,700,000 shares $7.07 million +6.7%10.2%7.2 $2.62 11/15/20242,530,000 shares $6.53 million +7.2%9.4%6.3 $2.58 10/31/20242,360,000 shares $7.13 million +0.4%8.8%5.5 $3.02 10/15/20242,350,000 shares $6.46 million +4.4%8.8%5.5 $2.75 9/30/20242,250,000 shares $6.95 million +21.6%8.4%5.4 $3.09 9/15/20241,850,000 shares $6.03 million +23.3%6.9%3.8 $3.26 8/31/20241,500,000 shares $2.43 million +33.9%5.6%3.6 $1.62 8/15/20241,120,000 shares $1.34 million +78.0%4.2%3.6 $1.20 7/31/2024629,200 shares $3.28 million -3.0%2.4%2.4 $5.21 7/15/2024648,300 shares $3.24 million No Change2.4%2.8 $5.00 FBLG Short Interest - Frequently Asked Questions What is FibroBiologics' current short interest? Short interest is the volume of FibroBiologics shares that have been sold short but have not yet been closed out or covered. As of June 15th, traders have sold 1,350,000 shares of FBLG short. 4.92% of FibroBiologics' shares are currently sold short. Learn More on FibroBiologics' current short interest. What is a good short interest ratio for FibroBiologics? 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. FBLG shares currently have a short interest ratio of 6.0. Learn More on FibroBiologics's short interest ratio. What is a good short interest percentage for FibroBiologics? 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. 4.92% of FibroBiologics' floating shares are currently sold short. Is FibroBiologics' short interest increasing or decreasing? FibroBiologics saw a increase in short interest in June. As of June 15th, there was short interest totaling 1,350,000 shares, an increase of 8.0% from the previous total of 1,250,000 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 FibroBiologics' float size? FibroBiologics currently has issued a total of 38,260,000 shares. Some of FibroBiologics' 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. FibroBiologics currently has a public float of 27,420,000 shares. How does FibroBiologics' short interest compare to its competitors? 4.92% of FibroBiologics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to FibroBiologics: OncoCyte Corporation (1.32%), Corbus Pharmaceuticals Holdings, Inc. (17.48%), Adagene Inc. Sponsored ADR (0.25%), Entera Bio Ltd. (0.18%), Oramed Pharmaceuticals Inc. (1.35%), Invivyd, Inc. (8.17%), Elutia Inc. (0.14%), Coherus Oncology, Inc. (29.97%), Unicycive Therapeutics, Inc. (3.49%), XBiotech Inc. (5.11%), 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 ($69.26 billion), Invesco QQQ ($25.22 billion), iShares Russell 2000 ETF ($20.33 billion), iShares 20+ Year Treasury Bond ETF ($9.99 billion), MicroStrategy Incorporated ($9.12 billion), Canadian Natural Resources Limited ($6.73 billion), SPDR S&P Biotech ETF ($6.52 billion), Invesco S&P 500 Equal Weight ETF ($5.60 billion), Financial Select Sector SPDR Fund ($4.64 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.59 billion). View all of the most shorted stocks. What does it mean to sell short FibroBiologics stock? Short selling FBLG is an investing strategy that aims to generate trading profit from FibroBiologics as its price is falling. FBLG shares are trading up $0.03 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 FibroBiologics? A short squeeze for FibroBiologics 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 FBLG, which in turn drives the price of the stock up even further. How often is FibroBiologics' 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 FBLG, twice per month. The most recent reporting period available is June, 15 2025. More Short Interest Resources from MarketBeat Related Companies OCX Short Interest CRBP Short Interest ADAG Short Interest ENTX Short Interest ORMP Short Interest IVVD Short Interest ELUT Short Interest CHRS Short Interest UNCY Short Interest XBIT Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:FBLG) was last updated on 7/5/2025 by MarketBeat.com Staff From Our PartnersTrump’s New Order Could Boost Social Security Benefits by 400%If you collect—or plan to collect—Social Security, you need to see this. A new initiative tied to President...InvestorPlace | SponsoredPost-Halving = Profit Season (Here’s How to Win It)It happens like clockwork. Every four years, the crypto market enters a new phase — and for those who know how...Crypto Swap Profits | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. For the first time in over a century, a sitting Preside...Paradigm Press | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...Altimetry | SponsoredElon’s NEXT Big IPO?Cancel your internet TODAY!? Take your latest internet bill and light it on fire… then count the seconds it...Banyan Hill Publishing | 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 | SponsoredThe $15 Gold Fund That Pays Up to $1,152/MonthGold prices are breaking records. But while everyone else is fixated on headlines… They're missing somet...Investors Alley | SponsoredThe mainstream media is wrong about AI — againThe mainstream media got it wrong … yet again. AI has recently turned the tech world on its head. And th...Weiss Ratings | 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 FibroBiologics Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share FibroBiologics 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.