AstraZeneca (AZNCF) Short Interest Ratio & Short Volume $161.76 +1.11 (+0.69%) As of 09:50 AM Eastern Add Compare Share Share Short Interest Stock AnalysisChartDividendFDA EventsFinancialsHeadlinesOwnershipSEC FilingsShort InterestBuy This Stock AstraZeneca Short Interest DataAstraZeneca (AZNCF) has a short interest of 201,300 shares. This marks a -29.12% decrease in short interest from the previous month. The short interest ratio (days to cover) is 125.8, indicating that it would take 125.8 days of the average trading volume of 2,816 shares to cover all short positions.Current Short Interest201,300 sharesPrevious Short Interest284,000 sharesChange Vs. Previous Month-29.12%Dollar Volume Sold Short$29.67 millionShort Interest Ratio125.8 Days to CoverLast Record DateJuly 31, 2025Today's Trading Volume234 sharesAverage Trading Volume2,816 sharesToday's Volume Vs. Average8% Short Selling AstraZeneca? 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAZNCF Short Interest Over TimeAZNCF Days to Cover Over TimeAZNCF 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 7/31/2025201,300 shares $29.67 million -29.1%N/A125.8 $147.39 7/15/2025284,000 shares $39.87 million +10.9%N/A135.2 $140.40 6/30/2025256,000 shares $35.37 million +36.0%N/A94.8 $138.18 6/15/2025188,300 shares $27.88 million -1.2%N/A17.6 $148.04 5/31/2025190,500 shares $27.28 million +46.9%N/A50.1 $143.20 5/15/2025129,700 shares $17.62 million -37.1%N/A40.5 $135.88 4/30/2025206,100 shares $30.02 million -8.5%N/A66.5 $145.64 4/15/2025225,300 shares $30.24 million +14.3%N/A53.6 $134.22 3/31/2025197,200 shares $29.06 million -38.5%N/A89.6 $147.36 3/15/2025320,500 shares $49.22 million -28.2%N/A100.2 $153.56 Get the Latest News and Ratings for AZNCF 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. 2/28/2025446,500 shares $67.18 million +38.4%N/A99.2 $150.46 2/15/2025322,700 shares $47.99 million +23.1%N/A100.8 $148.71 1/31/2025262,200 shares $36.90 million +7.2%N/A46 $140.72 1/15/2025244,700 shares $31.75 million +92.1%N/A41.5 $129.76 12/31/2024127,400 shares $16.56 million +116.7%N/A15 $130.00 12/15/202458,800 shares $7.75 million -69.5%N/A9.3 $131.74 11/30/2024192,900 shares $26.33 million +31.1%N/A40.2 $136.50 11/15/2024147,200 shares $18.84 million +248.8%N/A38.7 $127.96 10/31/202442,200 shares $5.99 million +13.8%N/A16.9 $141.90 10/15/202437,100 shares $5.70 million -10.0%N/A17.7 $153.70 9/30/202441,200 shares $6.36 million -2.1%N/A16.5 $154.46 9/15/202442,100 shares $6.66 million +352.7%N/A15 $158.14 8/31/20249,300 shares $1.63 million +1.1%N/A2.7 $175.00 8/15/20249,200 shares $1.54 million -20.7%N/A4.4 $167.00 7/31/202411,600 shares $1.81 million -78.2%N/A2.9 $156.35 7/15/202453,100 shares $8.29 million +140.3%N/A25.3 $156.14 6/30/202422,100 shares $3.45 million +81.2%N/A12.3 $156.27 6/15/202412,200 shares $1.96 million -41.9%N/A3.4 $160.42 5/31/202421,000 shares $3.23 million -74.5%N/A8.8 $153.78 5/15/202482,300 shares $12.59 million -9.2%N/A13.7 $153.00 4/30/202490,600 shares $13.68 million -48.2%N/A5.8 $151.00 4/15/2024174,800 shares $23.76 million +157.8%N/A79.5 $135.94 3/31/202467,800 shares $9.29 million +15.9%N/A20.5 $136.96 3/15/202458,500 shares $7.85 million +24.5%N/A18.9 $134.13 2/29/202447,000 shares $5.95 million +100.9%N/A9.2 $126.63 2/15/202423,400 shares $2.90 million -90.3%N/A1.3 $124.00 1/15/2024232,600 shares $32.51 million +16.9%N/A46.5 $139.76 12/31/2023199,000 shares $26.76 million -44.0%N/A36.3 $134.45 12/15/2023355,200 shares $46.63 million +142.3%N/A65.8 $131.28 11/30/2023146,600 shares $18.84 million +0.2%N/A11.6 $128.50“Fed Proof” Your Bank Account with THESE 4 Simple Steps (Ad)Starting as soon as a few months from now, the United States government will make a sweeping change to bank accounts nationwide. It will give them unprecedented powers to control your bank account.Learn these 4 simple steps and protect your savings before it’s too late. 11/15/2023146,300 shares $18.31 million -7.7%N/A28.1 $125.16 10/31/2023158,500 shares $19.46 million -30.5%N/A35.2 $122.76 10/15/2023228,000 shares $30.89 million +10.7%N/A50.7 $135.50 9/30/2023205,900 shares $27.81 million +95.7%N/A51.5 $135.05 9/15/2023105,200 shares $14.55 million +5.9%N/A15 $138.28 8/31/202399,300 shares $13.31 million +10.7%N/A22.8 $134.04 8/15/202389,700 shares $12.34 million -59.7%N/A24.9 $137.56 7/31/2023222,400 shares $32.69 million -51.7%N/A105.9 $147.00 7/15/2023460,100 shares $63.78 million +213.6%N/A184 $138.62 6/30/2023146,700 shares $21.11 million -67.5%N/A66.7 $143.90 6/15/2023451,000 shares $67.31 million +15.1%N/A83.5 $149.25 5/31/2023392,000 shares $57.26 million +314.4%N/A22.5 $146.08 5/15/202394,600 shares $14.14 million -81.2%N/A23.7 $149.45 4/30/2023502,800 shares $73.69 million -9.5%N/A23.4 $146.55 4/15/2023555,700 shares $81.18 million +137.0%N/A86.8 $146.08 3/31/2023234,500 shares $32.87 million +82.8%N/A71.1 $140.16 3/15/2023128,300 shares $16.40 million -71.6%N/A18.9 $127.84 2/28/2023452,200 shares $58.43 million +333.1%N/A145.9 $129.22 2/15/2023104,400 shares $14.70 million -75.7%N/A32.6 $140.78 AZNCF 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 covered or closed out. As of July 31st, investors have sold 201,300 shares of AZNCF 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. AZNCF shares currently have a short interest ratio of 126.0. Learn More on AstraZeneca's short interest ratio. Is AstraZeneca's short interest increasing or decreasing? AstraZeneca saw a drop in short interest in the month of July. As of July 31st, there was short interest totaling 201,300 shares, a drop of 29.1% from the previous total of 284,000 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. Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short AstraZeneca stock? Short selling AZNCF is an investing strategy that aims to generate trading profit from AstraZeneca as its price is falling. AZNCF shares are trading up $1.11 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 AZNCF, 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 AZNCF, twice per month. The most recent reporting period available is July, 31 2025. 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