This company has been marked as potentially delisted and may not be actively trading. Infinity Pharmaceuticals (INFI) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Infinity Pharmaceuticals Short Interest DataInfinity Pharmaceuticals (INFI) has a short interest of 2.21 million shares. This marks a 12.18% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.7, indicating that it would take 0.7 days of the average trading volume of 2.58 million shares to cover all short positions.Current Short Interest2,210,000 sharesPrevious Short Interest1,970,000 sharesChange Vs. Previous Month+12.18%Dollar Volume Sold Short$201,110.00Short Interest Ratio0.7 Days to CoverLast Record DateAugust 31, 2023Outstanding Shares90,760,000 sharesPercentage of Shares Shorted2.43%Today's Trading Volume2,476,900 sharesAverage Trading Volume2,577,841 sharesToday's Volume Vs. Average96% Short Selling Infinity Pharmaceuticals? Sign up to receive the latest short interest report for Infinity Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartINFI Short Interest Over TimeINFI Days to Cover Over TimeINFI Percentage of Float Shorted Over Time Infinity Pharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/31/20232,210,000 shares $201,110.00 +12.2%N/A0.7 $0.09 8/15/20231,970,000 shares $173,557.00 +114.4%N/A0.6 $0.09 7/31/2023918,900 shares $116,792.19 +60.3%1.1%0.3 $0.13 7/15/2023573,100 shares $114,734.62 -33.6%0.7%0.7 $0.20 6/30/2023863,400 shares $181,745.70 +42.6%1.0%1.1 $0.21 6/15/2023605,300 shares $108,651.35 +0.6%0.7%0.7 $0.18 5/31/2023601,600 shares $102,272.00 -2.9%0.7%0.8 $0.17 5/15/2023619,800 shares $108,403.02 +7.5%0.7%0.5 $0.17 4/30/2023576,700 shares $103,806.00 -1.3%0.7%0.5 $0.18 4/15/2023584,400 shares $92,393.64 -5.7%0.7%0.5 $0.16 Get the Latest News and Ratings for INFI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Infinity Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 3/31/2023619,700 shares $99,152.00 -14.7%0.7%0.6 $0.16 3/15/2023726,500 shares $132,295.65 -19.5%0.8%0.7 $0.18 2/28/2023902,200 shares $193,070.80 +19.9%1.0%0.9 $0.21 2/15/2023752,400 shares $443,916.00 +26.0%0.9%0.9 $0.59 1/31/2023597,000 shares $370,557.90 -32.9%0.7%0.9 $0.62 1/15/2023890,000 shares $629,764.00 -22.6%1.0%1.3 $0.71 12/30/20221,150,000 shares $638,250.00 +12.8%1.3%1.8 $0.56 12/15/20221,020,000 shares $550,800.00 +8.2%1.2%1.8 $0.54 11/30/2022943,000 shares $517,424.10 -4.3%1.1%1.9 $0.55 11/15/2022985,300 shares $776,416.40 -14.3%1.1%2.1 $0.79 10/31/20221,150,000 shares $1.43 million -13.5%1.3%2.2 $1.24 10/15/20221,330,000 shares $1.50 million -2.2%1.5%2.6 $1.13 9/30/20221,360,000 shares $1.62 million +5.4%1.6%2.6 $1.19 9/15/20221,290,000 shares $1.78 million +19.4%1.5%1.8 $1.38 8/31/20221,080,000 shares $1.74 million -12.9%1.2%1.5 $1.61 8/15/20221,240,000 shares $1.57 million -11.4%1.4%1.6 $1.27 7/31/20221,400,000 shares $889,980.00 +1.5%1.6%2.1 $0.64 7/15/20221,380,000 shares $922,806.00 -13.2%1.6%1.9 $0.67 6/30/20221,590,000 shares $1.01 million -64.3%1.8%1.9 $0.63 6/15/20224,450,000 shares $3.25 million -6.1%5.1%5 $0.73 5/31/20224,740,000 shares $3.19 million -1.3%5.4%6.2 $0.67 5/15/20224,800,000 shares $2.58 million +3.0%5.5%6.5 $0.54 4/30/20224,660,000 shares $3.68 million +27.3%5.3%6.5 $0.79 4/15/20223,660,000 shares $3.28 million +10.6%4.2%4.8 $0.90 3/31/20223,310,000 shares $3.77 million +3.1%3.8%3.7 $1.14 3/15/20223,210,000 shares $2.82 million +2.2%3.7%3.2 $0.88 2/28/20223,140,000 shares $3.45 million +2.3%3.6%2.3 $1.10 2/15/20223,070,000 shares $3.75 million +20.9%3.5%2.1 $1.22 1/31/20222,540,000 shares $3.15 million +8.6%2.9%1.6 $1.24 1/15/20222,340,000 shares $3.35 million +6.4%2.7%1.5 $1.43New “Trump” currency proposed in DC (Ad)According to one of the most connected men in Washington… A surprising new bill was just introduced in Washington. 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When you see what could happen – I think you’ll be excited. 12/31/20212,200,000 shares $4.95 million -19.7%2.5%1.3 $2.25 12/15/20212,740,000 shares $6.47 million +33.7%3.2%1.6 $2.36 11/30/20212,050,000 shares $4.45 million -7.2%2.4%1.3 $2.17 11/15/20212,210,000 shares $5.46 million -48.5%2.5%1.3 $2.47 10/29/20214,290,000 shares $10.90 million -2.3%4.9%2.1 $2.54 10/15/20214,390,000 shares $11.59 million -23.9%5.1%0.6 $2.64 9/30/20215,770,000 shares $19.73 million +13.1%6.7%0.8 $3.42 9/15/20215,100,000 shares $17.39 million -15.6%5.9%0.7 $3.41 8/31/20216,040,000 shares $21.38 million +10.8%7.0%0.8 $3.54 8/13/20215,450,000 shares $16.90 million -40.3%6.3%0.8 $3.10 7/30/20219,130,000 shares $19.36 million +106.1%10.5%1.3 $2.12 7/15/20214,430,000 shares $11.56 million -19.2%5.1%2.4 $2.61 6/30/20215,480,000 shares $16.39 million +43.8%6.3%3.1 $2.99 6/15/20213,810,000 shares $12.34 million -2.3%4.4%2.7 $3.24 5/28/20213,900,000 shares $12.99 million -5.6%4.5%2.5 $3.33 5/14/20214,130,000 shares $10.99 million +114.0%N/A2.3 $2.66 4/30/20211,930,000 shares $6.50 million +9.7%N/A0.5 $3.37 4/15/20211,760,000 shares $5.49 million +49.2%N/A0.5 $3.12 3/31/20211,180,000 shares $3.56 million -16.9%N/A0.3 $3.02 3/15/20211,420,000 shares $4.43 million +14.5%N/A0.4 $3.12 2/26/20211,240,000 shares $3.94 million +115.5%N/A0.3 $3.18 2/12/2021575,400 shares $2.57 million -18.4%N/A0.2 $4.47 1/29/2021705,500 shares $2.43 million +7.5%N/A0.4 $3.44 1/15/2021656,200 shares $1.93 million +19.0%N/A0.5 $2.94 12/31/2020551,500 shares $1.20 million +26.5%N/A0.6 $2.18 12/15/2020436,100 shares $981,225.00 +125.1%N/A0.5 $2.25 11/30/2020193,700 shares $387,400.00 +5.8%N/A0.2 $2.00 11/15/2020183,100 shares $314,932.00 -37.8%N/A0.3 $1.72 10/30/2020294,300 shares $323,730.00 +44.5%N/A0.6 $1.10 10/15/2020203,700 shares $262,773.00 +22.4%0.4%0.4 $1.29 9/30/2020166,400 shares $194,688.00 +112.5%0.3%0.3 $1.17 9/15/202078,300 shares $86,130.00 +1.6%0.1%0.1 $1.10 8/31/202077,100 shares $85,581.00 -48.4%0.1%0.1 $1.11 8/14/2020149,300 shares $179,160.00 +50.8%0.3%0.2 $1.20 7/31/202099,000 shares $87,120.00 +57.1%0.2%0.1 $0.88 7/15/202063,000 shares $51,471.00 +34.9%0.1%0.1 $0.82 6/30/202046,700 shares $42,497.00 -3.9%0.1%0.1 $0.91 6/15/202048,600 shares $45,562.50 +36.1%0.1%0.3 $0.94 5/29/202035,700 shares $33,022.50 +25.3%0.1%0.2 $0.93 5/15/202028,500 shares $27,360.00 -14.4%0.1%0.2 $0.96 4/30/202033,300 shares $36,297.00 -8.0%0.1%0.2 $1.09 INFI Short Interest - Frequently Asked Questions What is Infinity Pharmaceuticals' current short interest? Short interest is the volume of Infinity Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of August 31st, traders have sold 2,210,000 shares of INFI short. Learn More on Infinity Pharmaceuticals' current short interest. What is a good short interest ratio for Infinity Pharmaceuticals? 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. INFI shares currently have a short interest ratio of 1.0. Learn More on Infinity Pharmaceuticals's short interest ratio. Is Infinity Pharmaceuticals' short interest increasing or decreasing? Infinity Pharmaceuticals saw a increase in short interest in August. As of August 31st, there was short interest totaling 2,210,000 shares, an increase of 12.2% from the previous total of 1,970,000 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 Infinity Pharmaceuticals' short interest compare to its competitors? Here is how the short interest of companies in the industry of "biotechnology" compare to Infinity Pharmaceuticals: Molecular Templates, Inc. (5.48%), Amgen Inc. (2.71%), Gilead Sciences, Inc. (1.62%), Vertex Pharmaceuticals Incorporated (1.70%), Regeneron Pharmaceuticals, Inc. (2.57%), Alnylam Pharmaceuticals, Inc. (2.40%), Biogen Inc. (2.37%), United Therapeutics Co. (3.77%), BioMarin Pharmaceutical Inc. (2.72%), Incyte Co. (3.90%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($3.69 billion), Canadian Natural Resources Limited ($3.67 billion), T-Mobile US, Inc. ($3.56 billion), Suncor Energy Inc. ($3.20 billion), Occidental Petroleum Co. ($3.19 billion), Celsius Holdings, Inc. ($2.09 billion), Tractor Supply ($2.08 billion), Moderna, Inc. ($2.04 billion), Royal Caribbean Cruises Ltd. ($2.00 billion), and Rivian Automotive, Inc. ($1.96 billion). View all of the most shorted stocks. What does it mean to sell short Infinity Pharmaceuticals stock? Short selling INFI is an investing strategy that aims to generate trading profit from Infinity Pharmaceuticals as its price is falling. 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 Infinity Pharmaceuticals? A short squeeze for Infinity Pharmaceuticals 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 INFI, which in turn drives the price of the stock up even further. How often is Infinity Pharmaceuticals' 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 INFI, twice per month. The most recent reporting period available is August, 31 2023. More Short Interest Resources from MarketBeat Related Companies Molecular Templates Short Squeeze Amgen Short Squeeze Gilead Sciences Short Squeeze Vertex Pharmaceuticals Short Squeeze Regeneron Pharmaceuticals Short Squeeze Alnylam Pharmaceuticals Short Squeeze Biogen Short Squeeze United Therapeutics Short Squeeze BioMarin Pharmaceutical Short Squeeze Incyte 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:INFI) was last updated on 4/27/2025 by MarketBeat.com Staff From Our PartnersElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredGet Your Bank Account “Fed Invasion” Ready with THESE 4 Simple StepsStarting as soon as a few months from now, the United States government will make a sweeping change to bank ac...Weiss Ratings | SponsoredTrump’s tariffs just split the AI market in twoTrump’s tariff just split the AI market – among others – in two. 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But on Earth, it may trigger a trillion-dollar tech sh...InvestorPlace | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Infinity Pharmaceuticals, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Infinity Pharmaceuticals 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. 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