Notice: This company has been marked as potentially delisted and may not be actively trading. Gritstone bio (GRTS) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsEarningsHeadlinesInsider TradesOwnershipShort InterestTrends Gritstone bio Short Interest DataGritstone bio (GRTS) has a short interest of 7.53 million shares, representing 6.83% of the float (the number of shares available for trading by the public). This marks a 13.57% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.6, indicating that it would take 3.6 days of the average trading volume of 7.01 million shares to cover all short positions.Current Short Interest7,530,000 sharesPrevious Short Interest6,630,000 sharesChange Vs. Previous Month+13.57%Dollar Volume Sold Short$4.37 millionShort Interest Ratio3.6 Days to CoverLast Record DateSeptember 30, 2024Outstanding Shares108,569,000 sharesFloat Size110,210,000 sharesShort Percent of Float6.83%Today's Trading Volume61,017,902 sharesAverage Trading Volume7,014,435 sharesToday's Volume Vs. Average870% Short Selling Gritstone bio? Sign up to receive the latest short interest report for Gritstone 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 ChartGRTS Short Interest Over TimeGRTS Days to Cover Over TimeGRTS Percentage of Float Shorted Over Time Gritstone 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 9/30/20247,530,000 shares $4.37 million +13.6%6.8%3.6 $0.58 9/15/20246,630,000 shares $3.65 million -4.3%6.0%5.3 $0.55 8/31/20246,930,000 shares $3.30 million -3.5%6.3%5.6 $0.48 8/15/20247,180,000 shares $3.81 million -8.5%6.6%5.1 $0.53 7/31/20247,850,000 shares $4.72 million -3.0%7.9%4.8 $0.60 7/15/20248,090,000 shares $5.32 million -26.9%8.1%4.5 $0.66 6/30/202411,070,000 shares $6.84 million No Change11.1%5 $0.62 6/15/202411,070,000 shares $8.66 million -4.5%11.1%4 $0.78 5/31/202411,590,000 shares $8.97 million -8.7%11.7%4.1 $0.77 5/15/202412,690,000 shares $9.52 million -16.0%12.8%4.3 $0.75 Get the Latest News and Ratings for GRTS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Gritstone bio and its competitors with MarketBeat's FREE daily newsletter. 4/30/202415,110,000 shares $12.09 million +18.1%15.4%5.3 $0.80 4/15/202412,800,000 shares $9.46 million +40.4%13.2%4.4 $0.74 3/31/20249,120,000 shares $23.44 million +3.4%9.4%3.3 $2.57 3/15/20248,820,000 shares $20.99 million +7.3%9.9%4.3 $2.38 2/29/20248,220,000 shares $23.02 million -10.1%9.2%4 $2.80 2/15/20249,140,000 shares $19.93 million +1.7%10.5%4.9 $2.18 1/31/20248,990,000 shares $21.49 million -4.3%10.4%4.9 $2.39 1/15/20249,390,000 shares $26.48 million +4.9%10.7%5.9 $2.82 12/31/20238,950,000 shares $18.26 million +2.9%10.2%4.9 $2.04 12/15/20238,700,000 shares $16.53 million -4.5%9.9%3.3 $1.90 11/30/20239,110,000 shares $11.84 million +8.2%10.4%3.7 $1.30 11/15/20238,420,000 shares $12.12 million -7.7%9.6%3.7 $1.44 10/31/20239,120,000 shares $17.33 million -3.9%10.8%4.3 $1.90 10/15/20239,490,000 shares $22.30 million +16.2%11.2%4.6 $2.35 9/30/20238,170,000 shares $14.05 million +14.4%9.7%4.7 $1.72 9/15/20237,140,000 shares $11.00 million -4.0%8.5%15.2 $1.54 8/31/20237,440,000 shares $13.54 million -2.5%8.9%10.3 $1.82 8/15/20237,630,000 shares $13.20 million +3.0%9.1%9.4 $1.73 7/31/20237,410,000 shares $14.60 million -7.1%9.6%8.6 $1.97 7/15/20237,980,000 shares $16.92 million +3.6%10.3%9.4 $2.12 6/30/20237,700,000 shares $15.02 million +58.8%9.9%8.7 $1.95 6/15/20234,850,000 shares $10.96 million +10.2%6.3%5.6 $2.26 5/31/20234,400,000 shares $8.49 million +11.4%5.8%6.8 $1.93 5/15/20233,950,000 shares $8.16 million No Change5.2%6.8 $2.07 10/31/20225,800,000 shares $18.68 million +8.4%N/A6.3 $3.22 10/15/20225,350,000 shares $12.63 million -2.0%N/A6.6 $2.36 9/30/20225,460,000 shares $14.03 million +9.2%N/A6.6 $2.57 9/15/20225,000,000 shares $20 million +11.4%N/A5.2 $4.00 8/31/20224,490,000 shares $14.77 million +104.1%N/A4.2 $3.29 8/15/20222,200,000 shares $8.95 million -9.8%N/A1.9 $4.07Please take this warning seriously... (Ad)I’m here to issue a stark warning to you about an unexpected $2 trillion shock that could impact every trader in the country – in the next 30 days. In fact, I believe it could begin as soon as January 29th… Meaning you don’t have much time to prepare.Click here like your financial health depends on it. 7/31/20222,440,000 shares $6.20 million +3.0%N/A2.3 $2.54 7/15/20222,370,000 shares $6.35 million -15.7%N/A2.1 $2.68 6/30/20222,810,000 shares $6.80 million -23.9%N/A2.3 $2.42 6/15/20223,690,000 shares $8.08 million -11.9%N/A2.8 $2.19 5/31/20224,190,000 shares $8.46 million +5.8%N/A3.2 $2.02 5/15/20223,960,000 shares $8.59 million +25.3%N/A3 $2.17 4/30/20223,160,000 shares $8.18 million -3.7%N/A2.4 $2.59 4/15/20223,280,000 shares $12.10 million +0.6%N/A2.5 $3.69 3/31/20223,260,000 shares $13.43 million -24.5%N/A2.2 $4.12 3/15/20224,320,000 shares $19.22 million +3.6%N/A2.3 $4.45 2/28/20224,170,000 shares $21.27 million -16.4%N/A2.2 $5.10 2/15/20224,990,000 shares $27.89 million +1.0%N/A2.4 $5.59 1/31/20224,940,000 shares $26.97 million +10.8%N/A2.5 $5.46 1/15/20224,460,000 shares $27.88 million +15.3%N/A2.2 $6.25 12/31/20213,870,000 shares $49.77 million +73.5%N/A2.1 $12.86 12/15/20212,230,000 shares $26.98 million +20.5%N/A1.7 $12.10 11/30/20211,850,000 shares $24.42 million +5.1%N/A1.5 $13.20 11/15/20211,760,000 shares $19.78 million -15.4%N/A1.7 $11.24 10/29/20212,080,000 shares $22.86 million +18.9%N/A2 $10.99 10/15/20211,750,000 shares $16.08 million -52.7%N/A1.7 $9.19 9/30/20213,700,000 shares $39.96 million -44.4%9.4%4 $10.80 9/15/20216,660,000 shares $85.18 million +5.2%15.8%7.5 $12.79 8/31/20216,330,000 shares $58.24 million +5.3%15.0%9.4 $9.20 8/13/20216,010,000 shares $48.62 million +8.5%14.4%9.8 $8.09 7/30/20215,540,000 shares $37.01 million +8.8%13.4%10.3 $6.68 7/15/20215,090,000 shares $38.79 million +5.6%12.4%11.4 $7.62 6/30/20214,820,000 shares $44.01 million +5.7%11.7%9.6 $9.13 6/15/20214,560,000 shares $44.41 million -3.4%11.1%6.3 $9.74 5/28/20214,720,000 shares $43.42 million +12.4%11.5%6.3 $9.20 5/14/20214,200,000 shares $34.23 million +0.5%N/A5.5 $8.15 4/30/20214,180,000 shares $38.54 million -0.5%N/A4.9 $9.22 4/15/20214,200,000 shares $35.99 million +34.2%N/A3.3 $8.57 3/31/20213,130,000 shares $27.64 million +1.6%8.8%1 $8.83 3/15/20213,080,000 shares $46.05 million +0.3%8.7%1 $14.95 2/26/20213,070,000 shares $40.74 million +8.1%9.1%1 $13.27 2/12/20212,840,000 shares $41.35 million +123.6%8.4%0.9 $14.56 1/29/20211,270,000 shares $21.79 million -27.4%3.7%0.4 $17.16 1/15/20211,750,000 shares $10.42 million +4.8%5.3%0.6 $5.96 12/31/20201,670,000 shares $6.83 million -10.2%5.2%4.1 $4.09 12/15/20201,860,000 shares $5.67 million -13.1%7.4%6.2 $3.05 11/30/20202,140,000 shares $7.00 million +10.3%8.5%7.5 $3.27 11/15/20201,940,000 shares $5.37 million -2.5%7.7%6.8 $2.77 10/30/20201,990,000 shares $5.53 million +1.0%7.9%6.7 $2.78 10/15/20201,970,000 shares $5.89 million -15.8%8.1%5.2 $2.99 9/30/20202,340,000 shares $6.20 million -2.5%9.7%3.2 $2.65 9/15/20202,400,000 shares $7.63 million +15.4%9.9%3 $3.18 8/31/20202,080,000 shares $6.88 million +3.0%8.6%2.7 $3.31 8/14/20202,020,000 shares $7.15 million -23.5%8.4%2.7 $3.54 7/31/20202,640,000 shares $8.45 million -7.7%11.6%3.6 $3.20 7/15/20202,860,000 shares $11.13 million -14.9%12.8%4.4 $3.89Please take this warning seriously... (Ad)I’m here to issue a stark warning to you about an unexpected $2 trillion shock that could impact every trader in the country – in the next 30 days. In fact, I believe it could begin as soon as January 29th… Meaning you don’t have much time to prepare.Click here like your financial health depends on it. 6/30/20203,360,000 shares $22.44 million -2.6%15.0%11.1 $6.68 6/15/20203,450,000 shares $21.91 million +0.3%15.4%16.9 $6.35 5/29/20203,440,000 shares $22.60 million -5.0%15.4%18.5 $6.57 5/15/20203,620,000 shares $22.73 million +10.4%16.2%21.8 $6.28 4/30/20203,280,000 shares $22.99 million -2.1%12.2%22.2 $7.01 4/15/20203,350,000 shares $22.34 million No Change16.2%24.3 $6.67 3/31/20203,350,000 shares $24.92 million +5.7%16.2%20.6 $7.44 3/13/20203,170,000 shares $21.40 million -8.1%24.8%20.3 $6.75 2/28/20203,450,000 shares $19.53 million +2.7%27.0%19.4 $5.66 2/14/20203,360,000 shares $23.65 million -4.8%17.3%19.5 $7.04 1/31/20203,530,000 shares $31.38 million +3.5%18.1%20.2 $8.89 GRTS Short Interest - Frequently Asked Questions What is Gritstone bio's current short interest? Short interest is the volume of Gritstone bio shares that have been sold short but have not yet been closed out or covered. As of September 30th, investors have sold 7,530,000 shares of GRTS short. 6.83% of Gritstone bio's shares are currently sold short. Learn More on Gritstone bio's current short interest. What is a good short interest ratio for Gritstone 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. GRTS shares currently have a short interest ratio of 4.0. Learn More on Gritstone bio's short interest ratio. What is a good short interest percentage for Gritstone bio? 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. 6.83% of Gritstone bio's floating shares are currently sold short. Is Gritstone bio's short interest increasing or decreasing? Gritstone bio saw a increase in short interest in the month of September. As of September 30th, there was short interest totaling 7,530,000 shares, an increase of 13.6% from the previous total of 6,630,000 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 Gritstone bio's float size? Gritstone bio currently has issued a total of 108,569,000 shares. Some of Gritstone bio'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. Gritstone bio currently has a public float of 110,210,000 shares. How does Gritstone bio's short interest compare to its competitors? 6.83% of Gritstone bio's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Gritstone bio: Bright Green Co. (0.89%), HCW Biologics Inc. (0.66%), Imunon, Inc. (7.04%), CervoMed Inc. (23.55%), Hoth Therapeutics, Inc. (9.26%), Flora Growth Corp. (7.61%), ANEW Medical, Inc. (1.67%), Sensei Biotherapeutics, Inc. (0.66%), Relmada Therapeutics, Inc. (5.47%), TherapeuticsMD, Inc. (0.11%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($4.04 billion), AppLovin Co. ($2.69 billion), Nu Holdings Ltd. ($2.64 billion), Paychex, Inc. ($2.61 billion), Cencora, Inc. ($2.30 billion), Aptiv PLC ($2.09 billion), Moderna, Inc. ($2.09 billion), Tractor Supply ($2.04 billion), Coinbase Global, Inc. ($1.97 billion), and International Paper ($1.95 billion). View all of the most shorted stocks. What does it mean to sell short Gritstone bio stock? Short selling GRTS is an investing strategy that aims to generate trading profit from Gritstone 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 Gritstone bio? A short squeeze for Gritstone 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 GRTS, which in turn drives the price of the stock up even further. How often is Gritstone 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 GRTS, twice per month. The most recent reporting period available is September, 30 2024. More Short Interest Resources from MarketBeat Related Companies BGXX Short Interest HCWB Short Interest IMNN Short Interest CRVO Short Interest HOTH Short Interest FLGC Short Interest WENA Short Interest SNSE Short Interest RLMD Short Interest TXMD 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:GRTS) was last updated on 1/22/2025 by MarketBeat.com Staff From Our PartnersMedia Humiliated: Demo of Elon’s Tech Proves They’re WrongElon Musk believes his new AI product will be worth an incredible $9 trillion. But the mainstream media is ...Brownstone Research | SponsoredURGENT: This Altcoin Opportunity Won’t Wait – Act NowCrypto has officially entered the "banana zone" – that wild phase where prices can 1000x in days. 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