bluebird bio (BLUE) Short Interest Ratio & Short Volume $0.47 0.00 (0.00%) (As of 11/1/2024 ET) Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends bluebird bio Short Interest Databluebird bio (BLUE) has a short interest of 49.42 million shares. This marks a 0.88% increase in short interest from the previous month. The short interest ratio (days to cover) is 6.8, indicating that it would take 6.8 days of the average trading volume of 7.45 million shares to cover all short positions.Current Short Interest49,420,000 sharesPrevious Short Interest48,990,000 sharesChange Vs. Previous Month+0.88%Dollar Volume Sold Short$23.78 millionShort Interest Ratio6.8 Days to CoverLast Record DateOctober 15, 2024Outstanding Shares193,914,000 sharesPercentage of Shares Shorted25.49%Today's Trading Volume3,427,469 sharesAverage Trading Volume7,450,646 sharesToday's Volume Vs. Average46% Short Selling bluebird bio? Sign up to receive the latest short interest report for bluebird bio and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartBLUE Short Interest Over TimeBLUE Days to Cover Over TimeBLUE Percentage of Float Shorted Over Time Ad Porter & CompanyWatch this before it gets removed If you missed it, my emergency election broadcast is now available - but will be removed soonClick here to watch it now. bluebird bio Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/15/202449,420,000 shares $23.78 million +0.9%N/A6.8 $0.48 9/30/202448,990,000 shares $25.45 million +1.2%N/A6.4 $0.52 9/15/202448,400,000 shares $29.32 million -2.0%N/A6.5 $0.61 8/31/202449,370,000 shares $27.72 million +20.0%N/A6.8 $0.56 8/15/202441,140,000 shares $29.02 million +32.2%N/A6.1 $0.71 7/31/202431,130,000 shares $36.11 million +1.2%N/A5.6 $1.16 Get the Latest News and Ratings for BLUE and Related StocksEnter your email address below to receive the latest news and analysts' ratings for bluebird bio and its competitors with MarketBeat's FREE daily newsletter. 7/15/202430,770,000 shares $40.62 million +0.2%N/A5 $1.32 6/30/202430,710,000 shares $30.22 million +4.2%N/A4.9 $0.98 6/15/202429,480,000 shares $28.29 million +1.2%N/A4.7 $0.96 5/31/202429,120,000 shares $26.31 million -7.9%N/A4.5 $0.90 5/15/202431,600,000 shares $33.81 million -0.8%N/A4 $1.07 4/30/202431,860,000 shares $28.26 million -2.3%N/A3.8 $0.89 4/15/202432,620,000 shares $33.60 million +9.7%N/A3.8 $1.03 3/31/202429,750,000 shares $38.08 million -12.6%N/A3.3 $1.28 3/15/202434,040,000 shares $48.34 million -0.3%N/A3.2 $1.42 2/29/202434,130,000 shares $47.44 million +19.4%N/A2.4 $1.39 2/15/202428,590,000 shares $30.88 million +4.0%N/A2.2 $1.08 1/31/202427,500,000 shares $28.05 million +3.5%N/A2.3 $1.02 1/15/202426,570,000 shares $39.86 million +10.3%N/A2.4 $1.50 12/31/202324,090,000 shares $33.24 million -5.4%N/A2.4 $1.38 12/15/202325,470,000 shares $83.29 million +16.6%N/A2.8 $3.27 11/30/202321,850,000 shares $83.47 million -2.9%N/A4.7 $3.82 11/15/202322,490,000 shares $73.99 million -8.5%N/A6.4 $3.29 10/31/202324,570,000 shares $72.48 million -0.4%N/A7 $2.95 10/15/202324,670,000 shares $65.62 million +2.3%N/A7 $2.66 9/30/202324,110,000 shares $73.29 million -17.0%N/A5.8 $3.04 9/15/202329,040,000 shares $97.28 million +11.5%N/A7 $3.35 8/31/202326,040,000 shares $98.17 million -1.6%N/A6.3 $3.77 8/15/202326,450,000 shares $95.75 million -8.3%N/A6.2 $3.62 7/31/202328,840,000 shares $113.34 million +13.7%N/A6.6 $3.93 7/15/202325,360,000 shares $76.84 million -21.5%N/A5.8 $3.03 6/30/202332,300,000 shares $106.27 million +6.1%N/A8.1 $3.29 6/15/202330,440,000 shares $121.46 million +23.0%N/A6.8 $3.99 5/31/202324,740,000 shares $82.88 million +5.3%N/A5.2 $3.35 5/15/202323,490,000 shares $96.78 million -0.3%N/A5 $4.12 4/30/202323,550,000 shares $102.44 million -0.8%N/A5.3 $4.35 4/15/202323,740,000 shares $74.07 million -10.3%N/A5.5 $3.12 3/31/202326,450,000 shares $84.11 million +29.0%N/A6.1 $3.18 3/15/202320,510,000 shares $95.37 million +12.2%N/A5.4 $4.65 2/28/202318,280,000 shares $95.06 million +5.5%N/A5.4 $5.20Tim Sykes’ Urgent Trade Alert: “Make this move now” (Ad)Tim Sykes - the world’s most apolitical Millionaire trader - just sat down for an urgent election interview… Breaking down the ONE MOVE you must make before the November 5th election to set yourself up for a prosperous 2025.Click here to see the surprising reason why 2/15/202317,320,000 shares $102.88 million +0.2%N/A5.1 $5.94 1/31/202317,290,000 shares $109.79 million -6.3%N/A4.7 $6.35 1/15/202318,450,000 shares $145.57 million +1.2%N/A4.9 $7.89 12/30/202218,240,000 shares $126.22 million -1.1%N/A5.3 $6.92 12/15/202218,450,000 shares $143.54 million +1.0%N/A4.6 $7.78 11/30/202218,270,000 shares $142.32 million -5.2%N/A3.3 $7.79 11/15/202219,270,000 shares $148.38 million -14.5%N/A3.2 $7.70 10/31/202222,540,000 shares $141.33 million +0.5%N/A3.1 $6.27 10/15/202222,440,000 shares $143.39 million -1.2%N/A2.9 $6.39 9/30/202222,710,000 shares $143.75 million +13.0%N/A2.9 $6.33 9/15/202220,100,000 shares $142.51 million +1.8%N/A2.4 $7.09 8/31/202219,740,000 shares $115.28 million +19.9%N/A2 $5.84 8/15/202216,460,000 shares $112.42 million +8.4%N/A1.8 $6.83 7/31/202215,190,000 shares $61.52 million +13.3%N/A2 $4.05 7/15/202213,410,000 shares $64.50 million -11.1%N/A2 $4.81 6/30/202215,090,000 shares $62.47 million -13.8%N/A2.3 $4.14 6/15/202217,510,000 shares $60.93 million +39.0%32.1%3.2 $3.48 5/31/202212,600,000 shares $40.32 million +1.9%N/A5.2 $3.20 5/15/202212,370,000 shares $44.16 million +1.8%N/A5.3 $3.57 4/30/202212,150,000 shares $44.10 million +6.6%N/A5.4 $3.63 4/15/202211,400,000 shares $51.76 million -0.7%N/A4.8 $4.54 3/31/202211,480,000 shares $55.68 million +43.7%N/A4.8 $4.85 3/15/20227,990,000 shares $35.72 million +9.2%N/A3.1 $4.47 2/28/20227,320,000 shares $44.21 million +2.0%N/A3.1 $6.04 2/15/20227,180,000 shares $48.68 million +3.2%N/A3.1 $6.78 1/31/20226,960,000 shares $54.91 million +1.0%N/A2.8 $7.89 1/15/20226,890,000 shares $60.15 million +19.0%N/A2.9 $8.73 12/31/20215,790,000 shares $57.84 million +4.3%N/A2.8 $9.99 12/15/20215,550,000 shares $52.78 million -3.3%N/A2.8 $9.51 11/30/20215,740,000 shares $58.03 million +6.3%N/A3.9 $10.11 11/15/20215,400,000 shares $61.99 million +5.9%N/A3.8 $11.48 10/29/20215,100,000 shares $119.39 million -11.5%7.8%3.9 $23.41 10/15/20215,760,000 shares $120.38 million -0.2%8.8%4.9 $20.90 9/30/20215,770,000 shares $110.26 million +10.5%8.8%5.1 $19.11 9/15/20215,220,000 shares $92.92 million -8.6%7.9%3.8 $17.80 8/31/20215,710,000 shares $104.49 million -9.7%8.7%4 $18.30 8/13/20216,320,000 shares $116.73 million +1.1%9.6%4.5 $18.47 7/30/20216,250,000 shares $158.81 million +6.5%9.5%4.4 $25.41 7/15/20215,870,000 shares $161.60 million -7.3%8.9%4.7 $27.53 6/30/20216,330,000 shares $202.43 million +18.3%9.6%4.8 $31.98 6/15/20215,350,000 shares $175.64 million +4.7%8.1%4.1 $32.83 5/28/20215,110,000 shares $159.02 million -13.4%7.7%3.8 $31.12 5/14/20215,900,000 shares $172.93 million -7.1%N/A3.3 $29.31 4/30/20216,350,000 shares $191.96 million -4.4%N/A2.8 $30.23 4/15/20216,640,000 shares $196.15 million -2.1%N/A2.9 $29.54 3/31/20216,780,000 shares $194.04 million +25.3%N/A2.9 $28.62 3/15/20215,410,000 shares $175.45 million -14.7%N/A2.5 $32.43 2/26/20216,340,000 shares $178.28 million +4.1%N/A3.2 $28.12 2/12/20216,090,000 shares $278.74 million +2.4%N/A3.6 $45.77 1/29/20215,950,000 shares $267.75 million -3.1%N/A4.8 $45.00Tim Sykes’ Urgent Trade Alert: “Make this move now” (Ad)Tim Sykes - the world’s most apolitical Millionaire trader - just sat down for an urgent election interview… Breaking down the ONE MOVE you must make before the November 5th election to set yourself up for a prosperous 2025.Click here to see the surprising reason why 1/15/20216,140,000 shares $318.36 million -15.0%N/A5.1 $51.85 12/31/20207,220,000 shares $318.47 million +3.9%N/A6.6 $44.11 12/15/20206,950,000 shares $309.62 million +1.6%N/A7 $44.55 11/30/20206,840,000 shares $301.37 million +0.2%N/A7.4 $44.06 11/15/20206,830,000 shares $314.25 million +7.7%N/A7.9 $46.01 10/30/20206,340,000 shares $335.32 million +3.1%N/A7.8 $52.89 10/15/20206,150,000 shares $343.11 million +0.5%N/A9.1 $55.79 9/30/20206,120,000 shares $330.17 million -0.7%N/A8.9 $53.95 9/15/20206,160,000 shares $327.77 million -10.1%N/A7.9 $53.21 8/31/20206,850,000 shares $406.21 million -0.3%N/A8 $59.30 8/14/20206,870,000 shares $409.93 million -2.1%N/A7.3 $59.67 7/31/20207,020,000 shares $426.11 million +0.7%N/A5.8 $60.70 7/15/20206,970,000 shares $459.39 million -5.2%N/A5.2 $65.91 6/30/20207,350,000 shares $448.64 million -2.7%N/A4.9 $61.04 6/15/20207,550,000 shares $479.73 million -0.5%N/A5.1 $63.54 5/29/20207,590,000 shares $482.95 million -1.0%N/A5.2 $63.63 5/15/20207,670,000 shares $434.58 million +3.4%13.9%5.3 $56.66 4/30/20207,420,000 shares $399.79 million -2.2%13.5%6.2 $53.88 4/15/20207,590,000 shares $359.54 million -0.9%13.8%6.9 $47.37 3/31/20207,660,000 shares $448.72 million -1.0%13.9%7.5 $58.58 3/13/20207,736,600 shares $359.75 million -3.7%14.1%10.1 $46.50 2/28/20208,030,000 shares $380.94 million -1.1%14.6%7.4 $47.44 2/14/20208,120,000 shares $537.30 million -2.5%N/A6.9 $66.17 1/31/20208,330,000 shares $605.59 million -2.6%15.2%6.7 $72.70 1/15/20208,550,000 shares $770.01 million -0.1%15.6%6.7 $90.06 12/31/20198,560,000 shares $746.95 million -0.6%15.6%7.3 $87.26 BLUE Short Interest - Frequently Asked Questions What is bluebird bio's current short interest? Short interest is the volume of bluebird bio shares that have been sold short but have not yet been closed out or covered. As of October 15th, traders have sold 49,420,000 shares of BLUE short. Learn More on bluebird bio's current short interest. What is a good short interest ratio for bluebird bio? 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. BLUE shares currently have a short interest ratio of 7.0. Learn More on bluebird bio's short interest ratio. Is bluebird bio's short interest increasing or decreasing? bluebird bio saw a increase in short interest in October. As of October 15th, there was short interest totaling 49,420,000 shares, an increase of 0.9% from the previous total of 48,990,000 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 bluebird bio's short interest compare to its competitors? Here is how the short interest of companies in the sector of "medical" compare to bluebird bio: Instil Bio, Inc. (26.37%), Cabaletta Bio, Inc. (7.74%), Kodiak Sciences Inc. (2.94%), Black Diamond Therapeutics, Inc. (12.95%), Candel Therapeutics, Inc. (8.45%), Adverum Biotechnologies, Inc. (12.04%), Scilex Holding (10.46%), Caribou Biosciences, Inc. (14.42%), Innate Pharma S.A. (0.07%), Compugen Ltd. (1.74%), 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. ($4.14 billion), AppLovin Co. ($3.15 billion), Paychex, Inc. ($2.69 billion), Nu Holdings Ltd. ($2.48 billion), Cencora, Inc. ($2.24 billion), International Paper ($2.04 billion), Tractor Supply ($1.96 billion), Coinbase Global, Inc. ($1.93 billion), Moderna, Inc. ($1.91 billion), and SoFi Technologies, Inc. ($1.84 billion). View all of the most shorted stocks. What does it mean to sell short bluebird bio stock? Short selling BLUE is an investing strategy that aims to generate trading profit from bluebird bio 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 bluebird bio? A short squeeze for bluebird bio 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 BLUE, which in turn drives the price of the stock up even further. How often is bluebird bio'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 BLUE, twice per month. The most recent reporting period available is October, 15 2024. More Short Interest Resources from MarketBeat Related Companies Instil Bio Short Interest Data Cabaletta Bio Short Interest Data Kodiak Sciences Short Interest Data Black Diamond Therapeutics Short Interest Data Candel Therapeutics Short Interest Data Adverum Biotechnologies Short Interest Data Scilex Short Interest Data Caribou Biosciences Short Interest Data Innate Pharma Short Interest Data Compugen 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:BLUE) was last updated on 11/2/2024 by MarketBeat.com Staff From Our Partners625,000% GainImagine swapping your daily coffee expense for a future free of financial worries. 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