Spero Therapeutics (SPRO) Short Interest Ratio & Short Volume $1.18 -0.07 (-5.60%) (As of 11/15/2024 ET) Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Spero Therapeutics Short Interest DataSpero Therapeutics (SPRO) has a short interest of 625,200 shares. This marks a 61.51% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.0, indicating that it would take 3.0 days of the average trading volume of 401,674 shares to cover all short positions.Current Short Interest625,200 sharesPrevious Short Interest387,100 sharesChange Vs. Previous Month+61.51%Dollar Volume Sold Short$768,996.00Short Interest Ratio3.0 Days to CoverLast Record DateOctober 31, 2024Outstanding Shares53,990,000 sharesPercentage of Shares Shorted1.16%Today's Trading Volume465,372 sharesAverage Trading Volume401,674 sharesToday's Volume Vs. Average116% Short Selling Spero Therapeutics? Sign up to receive the latest short interest report for Spero 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 ChartSPRO Short Interest Over TimeSPRO Days to Cover Over TimeSPRO Percentage of Float Shorted Over Time Ad WealthPressThe only candlestick pattern worth a darnIt’s widely known that 80% of daily market action is driven by Wall Street algorithms… Now, most people think of the algorithms are “bad” When in reality, they are neither good nor bad… They are simply programmed to buy and sell certain stocks over and over again… But here is the thing… They are predictable… They typically buy the same stocks at the same levels over and over again…Follow this link here and enter your email address to sign up… Spero 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 10/31/2024625,200 shares $768,996.00 +61.5%N/A3 $1.23 10/15/2024387,100 shares $464,520.00 +0.7%N/A3.2 $1.20 9/30/2024384,300 shares $514,962.00 -0.2%N/A3 $1.34 9/15/2024385,200 shares $527,724.00 -5.8%N/A3.4 $1.37 8/31/2024409,100 shares $560,467.00 +8.6%N/A3.1 $1.37 8/15/2024376,700 shares $455,807.00 +5.8%N/A2.9 $1.21 Get the Latest News and Ratings for SPRO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Spero Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 7/31/2024355,900 shares $501,819.00 -8.8%N/A2.6 $1.41 7/15/2024390,300 shares $563,983.50 -7.1%N/A2.7 $1.45 6/30/2024420,000 shares $546,000.00 -3.3%N/A2.5 $1.30 6/15/2024434,200 shares $590,512.00 -10.3%N/A2.3 $1.36 5/31/2024483,900 shares $687,138.00 -2.1%N/A1.7 $1.42 5/15/2024494,200 shares $800,604.00 +5.6%N/A1.6 $1.62 4/30/2024468,100 shares $664,702.00 -8.8%N/A1.5 $1.42 4/15/2024513,200 shares $785,196.00 -21.5%N/A1.6 $1.53 3/31/2024653,800 shares $1.12 million +6.5%N/A2.1 $1.72 3/15/2024613,900 shares $1.10 million +8.9%N/A2 $1.79 2/29/2024564,000 shares $930,600.00 -8.9%N/A2.8 $1.65 2/15/2024619,000 shares $940,880.00 -12.5%N/A3.2 $1.52 1/31/2024707,100 shares $1.07 million +4.0%N/A3.8 $1.52 1/15/2024680,200 shares $986,290.00 -13.8%N/A4 $1.45 12/31/2023789,000 shares $1.16 million -19.2%N/A4.5 $1.47 12/15/2023976,500 shares $1.26 million -9.6%N/A6 $1.29 11/30/20231,080,000 shares $1.23 million -4.4%N/A6.2 $1.14 11/15/20231,130,000 shares $1.29 million -10.3%N/A4.7 $1.14 10/31/20231,260,000 shares $1.36 million -3.1%N/A4.8 $1.08 10/15/20231,300,000 shares $1.47 million -3.7%N/A4.1 $1.13 9/30/20231,350,000 shares $1.63 million -5.6%N/A4.2 $1.21 9/15/20231,430,000 shares $1.83 million +25.4%N/A4.3 $1.28 8/31/20231,140,000 shares $1.71 million No ChangeN/A3.2 $1.50 8/15/20231,140,000 shares $1.53 million -2.6%N/A3.8 $1.35 7/31/20231,170,000 shares $1.91 million No ChangeN/A3.9 $1.63 7/15/20231,170,000 shares $1.77 million -4.9%N/A4.2 $1.51 6/30/20231,230,000 shares $1.78 million +40.4%N/A4 $1.45 6/15/2023876,300 shares $1.38 million -0.6%N/A1.8 $1.57 5/31/2023881,800 shares $1.53 million -9.5%N/A1.7 $1.74 5/15/2023974,400 shares $1.82 million -32.8%N/A1.7 $1.87 4/30/20231,450,000 shares $2.57 million -21.6%N/A2.5 $1.77 4/15/20231,850,000 shares $3.18 million +17.1%N/A3.3 $1.72 3/31/20231,580,000 shares $2.29 million +67.6%N/A2.8 $1.45 3/15/2023942,700 shares $1.39 million +142.0%N/A2.1 $1.47“This Changes Everything” - Trump Hands Millions Massive IRS Gift (Ad)Now it's your time to return the favor by taking advantage of this tax "revenge loophole." 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Send Me My FREE Gold Guide! 2/28/2023389,500 shares $576,460.00 +35.5%N/A0.9 $1.48 2/15/2023287,400 shares $514,446.00 -38.6%N/A0.7 $1.79 1/31/2023468,200 shares $866,170.00 -29.9%N/A0.8 $1.85 1/15/2023667,900 shares $1.34 million -21.4%N/A1.1 $2.00 12/30/2022849,400 shares $1.47 million -14.6%N/A1.1 $1.73 12/15/2022994,200 shares $1.69 million -23.5%N/A0.4 $1.70 11/30/20221,300,000 shares $2.52 million -13.9%N/A0.2 $1.94 11/15/20221,510,000 shares $2.84 million +22.8%5.5%0.2 $1.88 10/31/20221,230,000 shares $2.41 million -15.8%4.5%0.2 $1.96 10/15/20221,460,000 shares $2.89 million -32.4%5.4%0.2 $1.98 9/30/20222,160,000 shares $4.32 million +177.9%8.0%0.3 $2.00 9/15/2022777,200 shares $753,884.00 +182.0%2.9%0.1 $0.97 8/31/2022275,600 shares $222,381.64 -32.9%1.0%0.1 $0.81 8/15/2022410,600 shares $371,059.22 +1.1%1.5%1.3 $0.90 7/31/2022406,100 shares $297,346.42 -27.2%1.6%1.1 $0.73 7/15/2022557,800 shares $440,662.00 +34.9%2.3%0.8 $0.79 6/30/2022413,600 shares $306,477.60 -70.9%1.7%0.6 $0.74 6/15/20221,420,000 shares $1.36 million -9.0%5.8%1.9 $0.96 5/31/20221,560,000 shares $1.84 million -5.5%6.4%2.3 $1.18 5/15/20221,650,000 shares $2.82 million -55.3%6.8%2.6 $1.71 4/30/20223,690,000 shares $17.93 million +6.7%14.6%6.3 $4.86 4/15/20223,460,000 shares $21.14 million +6.5%13.7%16.7 $6.11 3/31/20223,250,000 shares $28.28 million +4.2%13.1%16.5 $8.70 3/15/20223,120,000 shares $25.40 million +5.4%12.6%18.6 $8.14 2/28/20222,960,000 shares $28.42 million +5.7%11.9%20.8 $9.60 2/15/20222,800,000 shares $27.94 million +12.0%11.3%19.6 $9.98 1/31/20222,500,000 shares $29.68 million +4.6%10.1%18.6 $11.87 1/15/20222,390,000 shares $31.55 million +4.4%9.4%21.1 $13.20 12/31/20212,290,000 shares $36.66 million -1.7%9.0%23.2 $16.01 12/15/20212,330,000 shares $30.64 million -0.9%9.2%24.5 $13.15 11/30/20212,350,000 shares $33.49 million -2.5%9.3%23.9 $14.25 11/15/20212,410,000 shares $39.55 million -3.6%9.5%22.4 $16.41 10/29/20212,500,000 shares $43.90 million No Change9.9%21 $17.56 10/15/20212,500,000 shares $42.55 million -1.2%9.9%21.4 $17.02 9/30/20212,530,000 shares $46.58 million -1.9%10.0%20.4 $18.41 9/15/20212,580,000 shares $47.81 million -4.1%10.2%16.4 $18.53 8/31/20212,690,000 shares $51.78 million +1.9%10.9%15.8 $19.25 8/13/20212,640,000 shares $35.69 million No Change10.7%16.5 $13.52 7/30/20212,640,000 shares $35.22 million No Change11.6%17 $13.34 7/15/20212,640,000 shares $37.73 million +10.0%12.1%16.6 $14.29 6/30/20212,400,000 shares $33.50 million -23.1%9.9%14.5 $13.96 6/15/20213,120,000 shares $47.55 million -1.0%12.9%22.1 $15.24 5/28/20213,150,000 shares $45.68 million -3.4%13.0%20.3 $14.50 5/14/20213,260,000 shares $42.28 million -2.1%N/A19.9 $12.97 4/30/20213,330,000 shares $45.59 million -2.1%N/A17.5 $13.69 4/15/20213,400,000 shares $44.81 million +0.6%N/A14 $13.18 3/31/20213,380,000 shares $46.04 million +50.9%N/A12.9 $13.62 3/15/20212,240,000 shares $37.50 million +1.8%N/A6.7 $16.74 2/26/20212,200,000 shares $40.44 million -1.8%N/A6.6 $18.38 2/12/20212,240,000 shares $45.52 million -0.4%N/A6.6 $20.32“This Changes Everything” - Trump Hands Millions Massive IRS Gift (Ad)Now it's your time to return the favor by taking advantage of this tax "revenge loophole." 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Send Me My FREE Gold Guide! 1/29/20212,250,000 shares $40.95 million +0.9%N/A6.4 $18.20 1/15/20212,230,000 shares $37.08 million -0.9%N/A7.3 $16.63 12/31/20202,250,000 shares $45.52 million +17.8%N/A7.3 $20.23 12/15/20201,910,000 shares $34.02 million -2.1%N/A6.2 $17.81 11/30/20201,950,000 shares $32.62 million +1.6%N/A5.9 $16.73 11/15/20201,920,000 shares $27.49 million +2.7%N/A5 $14.32 10/30/20201,870,000 shares $25.13 million +3.3%N/A5.1 $13.44 10/15/20201,810,000 shares $24.63 million +1.7%N/A5.2 $13.61 9/30/20201,780,000 shares $19.86 million -6.3%N/A5.4 $11.16 9/15/20201,900,000 shares $18.98 million +49.6%N/A6.4 $9.99 8/31/20201,270,000 shares $13.80 million +18.7%8.5%5.3 $10.87 8/14/20201,070,000 shares $13.38 million +2.9%7.2%6.7 $12.50 7/31/20201,040,000 shares $12.17 million +8.0%7.0%6.2 $11.70 7/15/2020963,100 shares $12.96 million +11.1%6.7%5 $13.46 6/30/2020866,900 shares $11.49 million +39.1%6.0%4.6 $13.25 6/15/2020623,200 shares $7.45 million +8.0%4.3%3.7 $11.95 5/29/2020577,300 shares $6.82 million -0.9%4.0%3.6 $11.82 5/15/2020582,300 shares $6.95 million +5.1%4.1%3.9 $11.93 4/30/2020554,300 shares $6.68 million +3.2%3.9%4.2 $12.06 4/15/2020536,900 shares $4.17 million +6.5%3.8%5.2 $7.76 3/31/2020504,100 shares $4.34 million +18.9%3.9%5.1 $8.60 3/13/2020424,100 shares $3.35 million -3.6%3.0%4.6 $7.91 2/28/2020439,800 shares $2.61 million -42.5%3.1%5.1 $5.93 2/14/2020764,900 shares $6.73 million +110.0%6.4%9.5 $8.80 1/31/2020364,300 shares $3.48 million -1.5%2.9%5 $9.55 1/15/2020369,700 shares $3.85 million -2.1%3.1%6.8 $10.41 12/31/2019377,500 shares $3.70 million +6.2%3.1%7.5 $9.81 SPRO Short Interest - Frequently Asked Questions What is Spero Therapeutics' current short interest? Short interest is the volume of Spero Therapeutics shares that have been sold short but have not yet been covered or closed out. As of October 31st, investors have sold 625,200 shares of SPRO short. Learn More on Spero Therapeutics' current short interest. What is a good short interest ratio for Spero 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. SPRO shares currently have a short interest ratio of 3.0. Learn More on Spero Therapeutics's short interest ratio. Is Spero Therapeutics' short interest increasing or decreasing? Spero Therapeutics saw a increase in short interest during the month of October. As of October 31st, there was short interest totaling 625,200 shares, an increase of 61.5% from the previous total of 387,100 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. How does Spero Therapeutics' short interest compare to its competitors? Here is how the short interest of companies in the sector of "medical" compare to Spero Therapeutics: ADC Therapeutics SA (3.28%), Atea Pharmaceuticals, Inc. (3.50%), Pyxis Oncology, Inc. (13.30%), Fate Therapeutics, Inc. (13.96%), Mersana Therapeutics, Inc. (7.99%), Kodiak Sciences Inc. (2.67%), Atyr PHARMA INC (2.03%), Zentalis Pharmaceuticals, Inc. (9.89%), SOPHiA GENETICS SA (0.05%), Genfit S.A. (0.13%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($4.08 billion), AppLovin Co. ($3.18 billion), Paychex, Inc. ($2.64 billion), Nu Holdings Ltd. ($2.54 billion), International Paper ($2.46 billion), Cencora, Inc. ($2.27 billion), Moderna, Inc. ($1.87 billion), SoFi Technologies, Inc. ($1.81 billion), Lululemon Athletica Inc. ($1.75 billion), and Onsemi ($1.71 billion). View all of the most shorted stocks. What does it mean to sell short Spero Therapeutics stock? Short selling SPRO is an investing strategy that aims to generate trading profit from Spero Therapeutics as its price is falling. SPRO shares are trading down $0.07 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 Spero Therapeutics? A short squeeze for Spero 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 SPRO, which in turn drives the price of the stock up even further. How often is Spero 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 SPRO, twice per month. The most recent reporting period available is October, 31 2024. More Short Interest Resources from MarketBeat Related Companies ADC Therapeutics Short Interest Atea Pharmaceuticals Short Interest Pyxis Oncology Short Interest Fate Therapeutics Short Interest Mersana Therapeutics Short Interest Kodiak Sciences Short Interest Atyr PHARMA Short Interest Zentalis Pharmaceuticals Short Interest SOPHiA GENETICS Short Interest Genfit 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:SPRO) was last updated on 11/17/2024 by MarketBeat.com Staff From Our PartnersBill Gates’s Next Big AI Bet: StargateIn February 2016… when almost nobody was talking about artificial intelligence…. I picked Nvidia as one of ...Brownstone Research | SponsoredThe Crypto That’s Making Wall Street SweatThe Crypto Wall Street Is Desperate to Hide It's happening now, right under everyone's radar. 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