Atara Biotherapeutics (ATRA) Short Interest Ratio & Short Volume $12.00 -0.77 (-6.03%) (As of 11/15/2024 ET) Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Atara Biotherapeutics Short Interest DataAtara Biotherapeutics (ATRA) has a short interest of 636,300 shares, representing 16.03% of the float (the number of shares available for trading by the public). This marks a -0.45% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.6, indicating that it would take 4.6 days of the average trading volume of 140,149 shares to cover all short positions.Current Short Interest636,300 sharesPrevious Short Interest639,200 sharesChange Vs. Previous Month-0.45%Dollar Volume Sold Short$5.67 millionShort Interest Ratio4.6 Days to CoverLast Record DateOctober 31, 2024Outstanding Shares5,760,000 sharesFloat Size3,970,000 sharesShort Percent of Float16.03%Today's Trading Volume108,174 sharesAverage Trading Volume140,149 sharesToday's Volume Vs. Average77% Short Selling Atara Biotherapeutics? Sign up to receive the latest short interest report for Atara Biotherapeutics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartATRA Short Interest Over TimeATRA Days to Cover Over TimeATRA Percentage of Float Shorted Over Time Ad WealthPressThe Tesla Trade Is Back In BusinessIf you held shares of Tesla throughout 2024, you know It’s been a year of extreme highs and lows… But according to our one expert, new yearly highs are on the horizon… In his words, Tesla is building momentum like in 2020, especially as Trump supports the EV maker. Which is why we’re emailing you now… You see, most people will simply buy shares of Tesla ahead of the election… But as they say “There is more than one way to skin a cat” In fact, we’ve found another way to play shares of Tesla.Discover how to trade Tesla, simply follow this link here. Atara Biotherapeutics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/31/2024636,300 shares $5.67 million -0.5%16.0%4.6 $8.91 10/15/2024639,200 shares $5.36 million +21.4%16.1%5.4 $8.38 9/30/2024526,400 shares $4.28 million +13.7%13.3%4.5 $8.13 9/15/2024463,000 shares $4.50 million +12.8%12.6%3.6 $9.72 8/31/2024410,500 shares $3.12 million +8.5%11.0%3.2 $7.60 8/15/2024378,500 shares $2.59 million +5.0%9.4%4.7 $6.83 Get the Latest News and Ratings for ATRA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atara Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. 7/31/2024360,500 shares $3.54 million -33.2%9.0%4.5 $9.83 7/15/2024540,000 shares $6.03 million -6.1%13.4%6.7 $11.16 6/30/2024575,300 shares $4.89 million +33.5%14.4%7.6 $8.50 6/15/2024431,000 shares $5.51 million -96.2%10.8%7.2 $12.78 5/31/202411,270,000 shares $6.32 million -3.0%N/A8.5 $0.56 5/15/202411,620,000 shares $7.44 million -2.2%N/A7.2 $0.64 4/30/202411,880,000 shares $8.20 million +3.8%N/A6.9 $0.69 4/15/202411,450,000 shares $7.77 million +2.0%N/A4.4 $0.68 3/31/202411,230,000 shares $7.79 million +1.8%N/A3.7 $0.69 3/15/202411,030,000 shares $6.85 million +8.8%N/A3.2 $0.62 2/29/202410,140,000 shares $7.89 million -6.7%N/A2.8 $0.78 2/15/202410,870,000 shares $8.39 million +44.4%N/A2.9 $0.77 1/31/20247,530,000 shares $4.70 million +2.7%N/A1.3 $0.62 1/15/20247,330,000 shares $5.27 million -20.2%N/A1.4 $0.72 12/31/20239,190,000 shares $4.71 million -9.3%N/A1.9 $0.51 12/15/202310,130,000 shares $6.08 million -8.8%N/A2.2 $0.60 11/30/202311,110,000 shares $7.33 million +36.2%N/A2.8 $0.66 11/15/20238,160,000 shares $3.10 million -34.7%N/A2.2 $0.38 10/31/202312,490,000 shares $16.11 million +1.8%N/A6.1 $1.29 10/15/202312,270,000 shares $18.90 million +6.3%N/A10.5 $1.54 9/30/202311,540,000 shares $17.08 million -1.1%N/A9.5 $1.48 9/15/202311,670,000 shares $17.86 million +1.2%N/A9.7 $1.53 8/31/202311,530,000 shares $16.83 million -5.4%N/A7.5 $1.46 8/15/202312,190,000 shares $22.43 million -5.9%N/A6.9 $1.84 7/31/202312,950,000 shares $28.62 million +2.6%N/A6.9 $2.21 7/15/202312,620,000 shares $23.09 million +7.9%N/A6.7 $1.83 6/30/202311,700,000 shares $18.84 million -11.4%N/A6 $1.61 6/15/202313,200,000 shares $28.25 million +4.6%N/A7 $2.14 5/31/202312,620,000 shares $19.31 million -11.0%N/A7.6 $1.53 5/15/202314,180,000 shares $31.20 million -20.3%N/A10 $2.20 4/30/202317,790,000 shares $48.21 million -7.4%N/A13.8 $2.71 4/15/202319,210,000 shares $51.67 million -3.8%N/A15.9 $2.69 3/31/202319,960,000 shares $57.88 million +19.5%N/A17.1 $2.90 3/15/202316,700,000 shares $51.44 million +18.7%N/A13.1 $3.08The Tesla Trade Is Back In Business (Ad)If you held shares of Tesla throughout 2024, you know It’s been a year of extreme highs and lows… But according to our one expert, new yearly highs are on the horizon… In his words, Tesla is building momentum like in 2020, especially as Trump supports the EV maker. Which is why we’re emailing you now… You see, most people will simply buy shares of Tesla ahead of the election… But as they say “There is more than one way to skin a cat” In fact, we’ve found another way to play shares of Tesla.Discover how to trade Tesla, simply follow this link here. 2/28/202314,070,000 shares $56.98 million +0.4%N/A11.3 $4.05 2/15/202314,010,000 shares $63.47 million -1.3%N/A11.4 $4.53 1/31/202314,190,000 shares $71.94 million +4.1%N/A10.3 $5.07 1/15/202313,630,000 shares $53.02 million +4.8%N/A9.5 $3.89 12/30/202213,010,000 shares $42.67 million +5.0%N/A9.1 $3.28 12/15/202212,390,000 shares $42.87 million +1.2%N/A8.4 $3.46 11/30/202212,240,000 shares $55.45 million +1.6%N/A8.4 $4.53 11/15/202212,050,000 shares $60.37 million +1.1%N/A7.7 $5.01 10/31/202211,920,000 shares $55.55 million +0.2%N/A6.9 $4.66 10/15/202211,900,000 shares $44.39 million -3.4%N/A5.7 $3.73 9/30/202212,320,000 shares $46.57 million -0.2%N/A4.6 $3.78 9/15/202212,350,000 shares $58.05 million +10.2%N/A4.7 $4.70 8/31/202211,210,000 shares $44.95 million -0.6%N/A4.4 $4.01 8/15/202211,280,000 shares $60.24 million +7.0%N/A4.7 $5.34 7/31/202210,540,000 shares $31.94 million +31.1%N/A4.8 $3.03 7/15/20228,040,000 shares $30.95 million -24.9%N/A4.4 $3.85 6/30/202210,700,000 shares $83.35 million -5.1%N/A9.2 $7.79 6/15/202211,270,000 shares $62.55 million -3.9%N/A10.2 $5.55 5/31/202211,730,000 shares $61.00 million +6.4%N/A11 $5.20 5/15/202211,020,000 shares $0.00 -6.5%N/A9.9 $0.00 4/30/202211,790,000 shares $74.98 million +6.0%N/A11.7 $6.36 4/15/202211,120,000 shares $89.07 million +14.3%N/A11.2 $8.01 3/31/20229,730,000 shares $90.39 million +11.3%N/A9.6 $9.29 3/15/20228,740,000 shares $74.38 million +20.6%N/A9 $8.51 2/28/20227,250,000 shares $93.16 million +2.6%N/A7.7 $12.85 2/15/20227,070,000 shares $105.84 million +1.4%N/A8.6 $14.97 1/31/20226,970,000 shares $107.06 million +17.3%N/A8.1 $15.36 1/15/20225,940,000 shares $95.46 million -36.9%N/A7.1 $16.07 12/31/20219,420,000 shares $148.46 million +3.4%N/A11.3 $15.76 12/15/20219,110,000 shares $146.03 million +4.8%N/A10.7 $16.03 11/30/20218,690,000 shares $155.46 million -3.3%N/A11 $17.89 11/15/20218,990,000 shares $153.46 million -17.0%N/A10.7 $17.07 10/29/202110,830,000 shares $167.65 million -1.3%N/A13.4 $15.48 10/15/202110,970,000 shares $165.87 million -6.4%13.4%14.3 $15.12 9/30/202111,720,000 shares $209.79 million -6.1%14.4%16.4 $17.90 9/15/202112,480,000 shares $198.43 million +2.1%15.3%16.8 $15.90 8/31/202112,220,000 shares $183.06 million -4.4%15.0%16.2 $14.98 8/13/202112,780,000 shares $159.11 million -2.1%15.7%17.2 $12.45 7/30/202113,060,000 shares $166.52 million +8.0%16.1%16.7 $12.75 7/15/202112,090,000 shares $165.39 million +3.7%14.9%14.4 $13.68 6/30/202111,660,000 shares $181.31 million -7.7%14.4%12.4 $15.55 6/15/202112,630,000 shares $176.82 million -0.5%15.6%14.3 $14.00 5/28/202112,690,000 shares $172.08 million -0.7%15.7%13.9 $13.56 5/14/202112,780,000 shares $188.12 million +5.3%N/A13.5 $14.72 4/30/202112,140,000 shares $176.39 million -2.9%N/A13.2 $14.53 4/15/202112,500,000 shares $173.13 million -4.7%N/A0 $13.85 3/31/202113,120,000 shares $186.57 million +12.0%N/A15.2 $14.22 3/15/202111,710,000 shares $197.90 million +5.5%N/A13 $16.90 2/26/202111,100,000 shares $184.37 million -5.5%N/A11.6 $16.61 2/12/202111,740,000 shares $225.64 million -0.7%N/A12.4 $19.22The Tesla Trade Is Back In Business (Ad)If you held shares of Tesla throughout 2024, you know It’s been a year of extreme highs and lows… But according to our one expert, new yearly highs are on the horizon… In his words, Tesla is building momentum like in 2020, especially as Trump supports the EV maker. Which is why we’re emailing you now… You see, most people will simply buy shares of Tesla ahead of the election… But as they say “There is more than one way to skin a cat” In fact, we’ve found another way to play shares of Tesla.Discover how to trade Tesla, simply follow this link here. 1/29/202111,820,000 shares $224.58 million +5.0%N/A11.7 $19.00 1/15/202111,260,000 shares $212.25 million -6.1%N/A11.6 $18.85 12/31/202011,990,000 shares $246.03 million -3.8%N/A13.3 $20.52 12/15/202012,460,000 shares $292.56 million +1.0%N/A14.2 $23.48 11/30/202012,340,000 shares $287.15 million -10.1%N/A13.5 $23.27 11/15/202013,730,000 shares $247.83 million -10.3%N/A16.4 $18.05 10/30/202015,310,000 shares $206.69 million -0.8%N/A19.7 $13.50 10/15/202015,440,000 shares $214.15 million +9.0%N/A19.1 $13.87 9/30/202014,170,000 shares $183.64 million +3.3%N/A17.4 $12.96 9/15/202013,720,000 shares $214.58 million -10.1%N/A12.9 $15.64 8/31/202015,260,000 shares $205.70 million +4.5%N/A14.3 $13.48 8/14/202014,610,000 shares $177.80 million +3.5%N/A11 $12.17 7/31/202014,110,000 shares $174.82 million -4.3%N/A8.9 $12.39 7/15/202014,740,000 shares $201.05 million +8.7%N/A9.1 $13.64 6/30/202013,560,000 shares $187.67 million +15.7%N/A7.9 $13.84 6/15/202011,720,000 shares $122.47 million -1.3%N/A7.7 $10.45 5/29/202011,870,000 shares $136.51 million -5.4%N/A8.4 $11.50 5/15/202012,550,000 shares $135.10 million +4.8%23.9%9.8 $10.77 4/30/202011,980,000 shares $99.31 million +17.1%22.8%14 $8.29 4/15/202010,230,000 shares $81.02 million +3.9%19.5%13 $7.92 3/31/20209,850,000 shares $87.27 million +1.1%18.9%14.4 $8.86 3/13/20209,745,100 shares $83.32 million -0.8%25.2%16.6 $8.55 2/28/20209,820,000 shares $77.48 million +5.4%25.3%15 $7.89 2/14/20209,320,000 shares $100.38 million -2.2%19.4%14.4 $10.77 1/31/20209,530,000 shares $106.55 million -5.4%19.9%14.8 $11.18 1/15/202010,070,000 shares $144.50 million +3.2%21.0%15.5 $14.35 12/31/20199,760,000 shares $132.93 million +2.0%20.3%14.4 $13.62 ATRA Short Interest - Frequently Asked Questions What is Atara Biotherapeutics' current short interest? Short interest is the volume of Atara Biotherapeutics shares that have been sold short but have not yet been closed out or covered. As of October 31st, traders have sold 636,300 shares of ATRA short. 16.03% of Atara Biotherapeutics' shares are currently sold short. Learn More on Atara Biotherapeutics' current short interest. What is a good short interest ratio for Atara Biotherapeutics? 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. ATRA shares currently have a short interest ratio of 5.0. Learn More on Atara Biotherapeutics's short interest ratio. What is a good short interest percentage for Atara Biotherapeutics? 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. 16.03% of Atara Biotherapeutics' floating shares are currently sold short. Is Atara Biotherapeutics' short interest increasing or decreasing? Atara Biotherapeutics saw a decrease in short interest during the month of October. As of October 31st, there was short interest totaling 636,300 shares, a decrease of 0.5% from the previous total of 639,200 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 Atara Biotherapeutics' float size? Atara Biotherapeutics currently has issued a total of 5,760,000 shares. Some of Atara Biotherapeutics' 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. Atara Biotherapeutics currently has a public float of 3,970,000 shares. How does Atara Biotherapeutics' short interest compare to its competitors? 16.03% of Atara Biotherapeutics' shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to Atara Biotherapeutics: AlloVir, Inc. (3.42%), Fulcrum Therapeutics, Inc. (9.21%), Amarin Co. plc (4.37%), Enanta Pharmaceuticals, Inc. (17.46%), Kyverna Therapeutics, Inc. (13.71%), 2seventy bio, Inc. (11.21%), Solid Biosciences Inc. (4.40%), Instil Bio, Inc. (11.43%), Corbus Pharmaceuticals Holdings, Inc. (20.17%), XBiotech Inc. (4.29%), 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 Atara Biotherapeutics stock? Short selling ATRA is an investing strategy that aims to generate trading profit from Atara Biotherapeutics as its price is falling. ATRA shares are trading down $0.77 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 Atara Biotherapeutics? A short squeeze for Atara Biotherapeutics 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 ATRA, which in turn drives the price of the stock up even further. How often is Atara Biotherapeutics' 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 ATRA, twice per month. The most recent reporting period available is October, 31 2024. More Short Interest Resources from MarketBeat Related Companies ALVR Short Interest Data FULC Short Interest Data AMRN Short Interest Data ENTA Short Interest Data KYTX Short Interest Data TSVT Short Interest Data SLDB Short Interest Data TIL Short Interest Data CRBP Short Interest Data XBIT 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:ATRA) 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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