AstraZeneca (AZN) Short Interest Ratio & Short Volume $74.20 -0.36 (-0.48%) Closing price 03:59 PM EasternExtended Trading$74.00 -0.20 (-0.27%) As of 07:22 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends AstraZeneca Short Interest DataAstraZeneca (AZN) has a short interest of 16.94 million shares. This marks a 12.19% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.8, indicating that it would take 2.8 days of the average trading volume of 5.23 million shares to cover all short positions.Current Short Interest16,940,000 sharesPrevious Short Interest15,100,000 sharesChange Vs. Previous Month+12.19%Dollar Volume Sold Short$1.20 billionShort Interest Ratio2.8 Days to CoverLast Record DateJanuary 31, 2025Outstanding Shares3,101,092,000 sharesPercentage of Shares Shorted0.55%Today's Trading Volume3,614,801 sharesAverage Trading Volume5,231,667 sharesToday's Volume Vs. Average69% Short Selling AstraZeneca? Sign up to receive the latest short interest report for AstraZeneca and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAZN Short Interest Over TimeAZN Days to Cover Over TimeAZN Percentage of Float Shorted Over Time AstraZeneca Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/31/202516,940,000 shares $1.20 billion +12.2%N/A2.8 $70.76 1/15/202515,100,000 shares $991.77 million +19.0%N/A2.5 $65.68 12/31/202412,690,000 shares $831.45 million +26.1%N/A2.3 $65.52 12/15/202410,060,000 shares $669.79 million +36.0%N/A1.8 $66.58 11/30/20247,400,000 shares $500.39 million -8.3%N/A1.4 $67.62 11/15/20248,070,000 shares $510.27 million +74.3%N/A1.5 $63.23 10/31/20244,630,000 shares $329.42 million +14.9%N/A0.9 $71.15 10/15/20244,030,000 shares $313.74 million -25.2%N/A0.9 $77.85 9/30/20245,390,000 shares $419.93 million -16.4%N/A1.2 $77.91 9/15/20246,450,000 shares $504.84 million -27.2%N/A1.5 $78.27 Get the Latest News and Ratings for AZN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AstraZeneca and its competitors with MarketBeat's FREE daily newsletter. 8/31/20248,860,000 shares $776.31 million +4.1%N/A2.1 $87.62 8/15/20248,510,000 shares $722.50 million +49.0%N/A2.1 $84.90 7/31/20245,710,000 shares $451.95 million -1.6%N/A1.4 $79.15 7/15/20245,800,000 shares $453.10 million -9.5%N/A1.4 $78.12 6/30/20246,410,000 shares $499.92 million -19.2%N/A1.4 $77.99 6/15/20247,930,000 shares $631.15 million +18.9%N/A1.6 $79.59 5/31/20246,670,000 shares $520.39 million -13.0%N/A1.3 $78.02 5/15/20247,670,000 shares $590.36 million -10.1%N/A1.4 $76.97 4/30/20248,530,000 shares $647.26 million -0.6%N/A1.3 $75.88 4/15/20248,580,000 shares $589.70 million +12.0%N/A1.4 $68.73 3/31/20247,660,000 shares $518.97 million -26.9%N/A1.2 $67.75 3/15/202410,480,000 shares $694.93 million +13.2%N/A1.7 $66.31 2/29/20249,260,000 shares $594.12 million +3.8%N/A1.5 $64.16 2/15/20248,920,000 shares $560.53 million +117.6%N/A1.4 $62.84 1/31/20244,100,000 shares $273.22 million -29.4%N/A0.7 $66.64 1/15/20245,810,000 shares $403.33 million -6.6%N/A1.1 $69.42 12/31/20236,220,000 shares $418.92 million +8.9%N/A1.1 $67.35 12/15/20235,710,000 shares $370.01 million -27.7%N/A1 $64.80 11/30/20237,900,000 shares $510.26 million -2.5%N/A1.4 $64.59 11/15/20238,100,000 shares $511.35 million -10.1%N/A1.6 $63.13 10/31/20239,010,000 shares $569.70 million +53.8%N/A1.8 $63.23 10/15/20235,860,000 shares $394.55 million -3.9%N/A1.2 $67.33 9/30/20236,100,000 shares $413.09 million -27.2%N/A1.3 $67.72 9/15/20238,380,000 shares $572.10 million +14.3%N/A1.6 $68.27 8/31/20237,330,000 shares $497.12 million +49.0%N/A1.4 $67.82 8/15/20234,920,000 shares $341.99 million -18.7%N/A0.9 $69.51 7/31/20236,050,000 shares $433.79 million -5.2%N/A1.2 $71.70 7/15/20236,380,000 shares $429.88 million -15.9%N/A1.3 $67.38 6/30/20237,590,000 shares $543.22 million +27.1%N/A1.7 $71.57 6/15/20235,970,000 shares $445.48 million +22.3%N/A1.4 $74.62Nvidia > DeepSeek (Ad)Everyone's getting it all wrong … Sure, DeepSeek's reveal caused AI stocks to tumble … But, in the long run … that's a good thing.Click here to see why Nvidia's bad day could end up being a great year. 5/31/20234,880,000 shares $356.63 million +4.5%N/A1.2 $73.08 5/15/20234,670,000 shares $350.20 million -19.6%N/A1.2 $74.99 4/30/20235,810,000 shares $425.41 million +44.5%N/A1.3 $73.22 4/15/20234,020,000 shares $296.92 million +6.1%N/A0.8 $73.86 3/31/20233,790,000 shares $263.06 million +21.5%N/A0.8 $69.41 3/15/20233,120,000 shares $201.49 million -10.1%N/A0.6 $64.58 2/28/20233,470,000 shares $226.17 million +28.5%N/A0.7 $65.18 2/15/20232,700,000 shares $188.16 million +8.0%N/A0.6 $69.69 1/31/20232,500,000 shares $163.43 million -50.3%N/A0.5 $65.37 1/15/20235,030,000 shares $357.53 million +18.9%N/A1 $71.08 12/30/20224,230,000 shares $286.79 million -14.2%N/A0.8 $67.80 12/15/20224,930,000 shares $343.82 million +13.3%N/A0.9 $69.74 11/30/20224,350,000 shares $295.67 million -6.7%N/A0.7 $67.97 11/15/20224,660,000 shares $298.01 million -14.3%N/A0.7 $63.95 10/31/20225,440,000 shares $319.93 million -5.6%N/A0.8 $58.81 10/15/20225,760,000 shares $316.63 million +20.8%N/A0.9 $54.97 9/30/20224,770,000 shares $261.59 million -25.7%N/A0.7 $54.84 9/15/20226,420,000 shares $373.26 million -29.4%N/A1 $58.14 8/31/20229,090,000 shares $567.03 million -12.5%N/A1.4 $62.38 8/15/202210,390,000 shares $694.16 million -23.8%N/A1.7 $66.81 7/31/202213,640,000 shares $903.38 million -0.2%N/A2.1 $66.23 7/15/202213,670,000 shares $920.81 million +4.2%N/A2 $67.36 6/30/202213,120,000 shares $866.84 million -11.1%N/A1.9 $66.07 6/15/202214,760,000 shares $894.01 million +36.2%N/A2.1 $60.57 5/31/202210,840,000 shares $720.64 million -34.0%N/A1.6 $66.48 5/15/202216,420,000 shares $1.04 billion +39.7%N/A2.1 $63.14 4/30/202211,750,000 shares $780.20 million +8.6%N/A1.5 $66.40 4/15/202210,820,000 shares $747.12 million +39.4%N/A1.3 $69.05 3/31/20227,760,000 shares $514.80 million -1.7%N/A1 $66.34 3/15/20227,890,000 shares $484.21 million -12.6%N/A1.1 $61.37 2/28/20229,030,000 shares $549.75 million +9.7%N/A1.3 $60.88 2/15/20228,230,000 shares $496.27 million +54.7%N/A1.3 $60.30 1/31/20225,320,000 shares $309.68 million -12.8%N/A1 $58.21 1/15/20226,100,000 shares $358.99 million -1.3%N/A1.3 $58.85 12/31/20216,180,000 shares $359.99 million -1.6%N/A1.4 $58.25 12/15/20216,280,000 shares $349.92 million -16.8%N/A1.3 $55.72 11/30/20217,550,000 shares $413.97 million +8.5%N/A1.4 $54.83 11/15/20216,960,000 shares $416.07 million +2.7%N/A1.3 $59.78 10/29/20216,780,000 shares $422.94 million -5.0%N/A1.3 $62.38 10/15/20217,140,000 shares $429.97 million -0.1%N/A1.2 $60.22 9/30/20217,150,000 shares $429.43 million +9.5%N/A0.7 $60.06 9/15/20216,530,000 shares $368.62 million +1.9%N/A0.7 $56.45 8/31/20216,410,000 shares $373.57 million +14.3%N/A0.6 $58.28 8/13/20215,610,000 shares $328.07 million -25.5%N/A0.5 $58.48 7/30/20217,530,000 shares $431.02 million -94.7%N/A0.7 $57.24 7/15/2021142,900,000 shares $8.14 billion +4.4%N/A14 $56.96 6/30/2021136,940,000 shares $8.20 billion +1.4%5.2%17.4 $59.90 6/15/2021135,110,000 shares $7.95 billion +2.3%5.2%17 $58.84 5/28/2021132,060,000 shares $7.50 billion +5.3%5.0%15.5 $56.77 5/14/2021125,410,000 shares $6.90 billion +6.2%N/A12.8 $55.05Nvidia > DeepSeek (Ad)Everyone's getting it all wrong … Sure, DeepSeek's reveal caused AI stocks to tumble … But, in the long run … that's a good thing.Click here to see why Nvidia's bad day could end up being a great year. 4/30/2021118,090,000 shares $6.07 billion +10.1%N/A11.6 $51.37 4/15/2021107,270,000 shares $5.35 billion +8.8%N/A10 $49.84 3/31/202198,560,000 shares $4.93 billion +3.8%N/A9.2 $49.97 3/15/202194,940,000 shares $4.60 billion +10.0%N/A8 $48.42 2/26/202186,280,000 shares $4.22 billion +10.8%N/A6.9 $48.91 2/12/202177,900,000 shares $3.90 billion +18.2%N/A6.4 $50.09 1/29/202165,920,000 shares $3.43 billion +32.0%N/A5.9 $52.04 1/15/202149,930,000 shares $2.56 billion +49.1%N/A4.7 $51.29 11/30/20204,360,000 shares $229.38 million -30.7%N/A0.8 $52.61 11/15/20206,290,000 shares $360.92 million +4.0%N/A1.3 $57.38 10/30/20206,050,000 shares $308.97 million +20.3%N/A1.4 $51.07 10/15/20205,030,000 shares $267.55 million -1.4%N/A1.2 $53.19 9/30/20205,100,000 shares $279.48 million +18.3%N/A0.8 $54.80 9/15/20204,310,000 shares $238.26 million +4.4%N/A0.7 $55.28 8/31/20204,130,000 shares $231.28 million -37.2%N/A0.6 $56.00 8/14/20206,580,000 shares $363.15 million -4.1%N/A1 $55.19 7/31/20206,860,000 shares $382.65 million +453.2%N/A1 $55.78 7/15/20201,240,000 shares $66.94 million -35.4%N/A0.2 $53.98 6/30/20201,920,000 shares $101.59 million -33.1%N/A0.4 $52.91 6/15/20202,870,000 shares $151.08 million -9.5%N/A0.6 $52.64 5/29/20203,170,000 shares $173.08 million -11.0%N/A0.6 $54.60 5/15/20203,560,000 shares $190.14 million -1.4%N/A0.7 $53.41 4/30/20203,610,000 shares $188.73 million -12.2%N/A0.8 $52.28 4/15/20204,110,000 shares $197.40 million -10.9%N/A0.9 $48.03 3/31/20204,610,000 shares $205.88 million -35.7%N/A1 $44.66 3/13/20207,174,500 shares $303.34 million -20.0%0.3%2.3 $42.28 2/28/20208,970,000 shares $347.86 million +14.4%N/A2.9 $38.78 AZN Short Interest - Frequently Asked Questions What is AstraZeneca's current short interest? Short interest is the volume of AstraZeneca shares that have been sold short but have not yet been closed out or covered. As of January 31st, investors have sold 16,940,000 shares of AZN short. Learn More on AstraZeneca's current short interest. What is a good short interest ratio for AstraZeneca? 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. AZN shares currently have a short interest ratio of 3.0. Learn More on AstraZeneca's short interest ratio. Which institutional investors are shorting AstraZeneca? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of AstraZeneca: Wolverine Trading LLC, Squarepoint Ops LLC, Millennium Management LLC, LMR Partners LLP, Jefferies Financial Group Inc., Group One Trading LLC, Citadel Advisors LLC, Jane Street Group LLC, Lido Advisors LLC, Optiver Holding B.V., Tudor Investment Corp ET AL, Parallax Volatility Advisers L.P., Concourse Financial Group Securities Inc., Walleye Trading LLC, Walleye Capital LLC, Barclays PLC, Capital Fund Management S.A., Wells Fargo & Company MN, JPMorgan Chase & Co., Simplex Trading LLC, and JPMorgan Chase & Co.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is AstraZeneca's short interest increasing or decreasing? AstraZeneca saw a increase in short interest in the month of January. As of January 31st, there was short interest totaling 16,940,000 shares, an increase of 12.2% from the previous total of 15,100,000 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 AstraZeneca's short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to AstraZeneca: Novo Nordisk A/S (0.30%), Novartis AG (0.21%), Sanofi (0.20%), GSK plc (0.85%), Takeda Pharmaceutical Company Limited (0.12%), argenx SE (3.32%), BioNTech SE (1.14%), Teva Pharmaceutical Industries Limited (1.97%), Summit Therapeutics Inc. (2.83%), Genmab A/S (0.26%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Co. ($5.21 billion), Charter Communications, Inc. ($4.07 billion), Reddit, Inc. ($3.33 billion), The Kroger Co. ($2.67 billion), Cencora, Inc. ($2.29 billion), Hims & Hers Health, Inc. ($2.17 billion), SoFi Technologies, Inc. ($1.99 billion), Live Nation Entertainment, Inc. ($1.87 billion), Rivian Automotive, Inc. ($1.76 billion), and Moderna, Inc. ($1.60 billion). View all of the most shorted stocks. What does it mean to sell short AstraZeneca stock? Short selling AZN is an investing strategy that aims to generate trading profit from AstraZeneca as its price is falling. AZN shares are trading down $0.36 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 AstraZeneca? A short squeeze for AstraZeneca 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 AZN, which in turn drives the price of the stock up even further. How often is AstraZeneca'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 AZN, twice per month. The most recent reporting period available is January, 31 2025. 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