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Astrazeneca (AZN) Short Interest Ratio & Short Volume

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$168.27 +3.77 (+2.29%)
Closing price 07/15/2026 03:59 PM Eastern
Extended Trading
$165.21 -3.06 (-1.82%)
As of 07/15/2026 07:52 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 Massive. Learn more.
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Astrazeneca Short Interest Overview

As of June 30, 2026, Astrazeneca (AZN) had a short interest of 1.53 million shares sold short, representing 0.10% of the public float. This marks a 15.34% increase in short interest since the prior report. The short interest ratio (days to cover) is 0.8, meaning it would take 0.8 days of the average trading volume of 2.36 million shares to cover all short positions.

Current Short Interest
1,530,055 shares
Previous Short Interest
1,326,546 shares
Change Vs. Previous Month
15.34%
Dollar Volume Sold Short
$290.19 million
Short Interest Ratio
0.8 Days to Cover
Last Record Date
June 30, 2026
Outstanding Shares
1,550,910,000 shares
Short Percent of Float
0.10%
Today's Trading Volume
2,938,208 shares
Average Trading Volume
2,359,710 shares
Today's Volume Vs. Average
125%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

AZN Short Interest Over Time

AZN Days to Cover Over Time

AZN Percentage of Float Shorted Over Time

Astrazeneca Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
6/30/20261,530,055 shares $290.19 million +15.3%0.1%0.76 $189.66
6/15/20261,326,546 shares $235.28 million -22.8%0.1%0.63 $177.36
5/29/20261,719,165 shares $318.91 million -20.5%0.1%0.96 $185.50
5/15/20262,162,492 shares $392.75 million +18.1%0.1%1.2 $181.62
4/30/20261,830,898 shares $343.49 million +5.2%0.1%0.83 $187.61
4/15/20261,740,147 shares $350.02 million +8.0%0.1%0.92 $201.14
3/31/20261,611,139 shares $317.72 million -18.4%0.1%0.86 $197.20
2/27/20262,380,486 shares $496.21 million -4.3%0.2%1.21 $208.45
2/13/20262,487,804 shares $511.37 million +1,536.8%0.2%0.81 $205.55
1/30/20263,881,346 shares $360.07 million -68.4%0.3%0.33 $92.77
1/15/202612,267,466 shares $1.15 billion +12.1%0.4%1.79 $93.99
12/31/202510,940,007 shares $1.01 billion +31.5%0.4%2.84 $91.93
12/15/20258,318,927 shares $761.68 million -9.5%0.3%1.38 $91.56
11/28/20259,192,060 shares $851.18 million -7.8%0.3%1.71 $92.60
11/14/20259,968,173 shares $888.16 million +4.4%0.3%2.06 $89.10
10/31/20259,546,642 shares $786.64 million +36.5%0.3%2.41 $82.40
10/15/20257,000,000 shares $593.81 million +28.2%0.2%1.4 $84.83
9/30/20255,460,000 shares $418.89 million -29.5%N/A1.1 $76.72
9/15/20257,740,000 shares $604.11 million -0.4%N/A1.8 $78.05
8/31/20257,770,000 shares $620.82 million +25.5%0.3%1.8 $79.90
8/15/20256,190,000 shares $490.06 million +16.1%N/A1.4 $79.17
7/31/20255,330,000 shares $389.57 million -14.7%0.2%1.1 $73.09
7/15/20256,250,000 shares $439.50 million -8.2%N/A1.4 $70.32
6/30/20256,810,000 shares $475.88 million -8.6%0.2%1.3 $69.88
6/15/20257,450,000 shares $554.43 million +7.7%0.2%1.4 $74.42
5/31/20256,920,000 shares $503.91 million -5.7%0.2%1.2 $72.82
5/15/20257,340,000 shares $498.83 million +52.3%0.2%1.2 $67.96
4/30/20254,820,000 shares $346.03 million -23.9%N/A0.8 $71.79
4/15/20256,330,000 shares $429.62 million -40.3%0.2%1.1 $67.87
3/31/202510,600,000 shares $779.10 million -30.5%0.3%1.8 $73.50
3/15/202515,240,000 shares $1.18 billion -10.2%0.5%2.8 $77.60
2/28/202516,970,000 shares $1.29 billion +9.8%0.5%3 $76.21
2/15/202515,460,000 shares $1.14 billion -8.7%0.5%2.9 $73.58
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
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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
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 $74.62
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
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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

AZN Short Interest - Frequently Asked Questions

Short interest is the volume of Astrazeneca shares that have been sold short but have not yet been covered or closed out. As of June 30th, investors have sold 1,530,055 shares of AZN short. 0.10% of Astrazeneca's shares are currently sold short. Learn More on Astrazeneca's current short interest.

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 0.8. Learn More on Astrazeneca's short interest ratio.

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. 0.10% of Astrazeneca's floating shares are currently sold short.

Astrazeneca saw a increase in short interest in the month of June. As of June 30th, there was short interest totaling 1,530,055 shares, an increase of 15.3% from the previous total of 1,326,546 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.

0.10% of Astrazeneca's shares are currently sold short. Here is how the short interest of companies compare to Astrazeneca: Amgen Inc. (2.41%), Biogen Inc. (3.89%), Moderna, Inc. (15.03%), Novavax, Inc. (28.31%), AbbVie Inc. (1.24%), Bristol Myers Squibb Company (1.99%), Johnson & Johnson (1.11%), Eli Lilly and Company (0.99%), Merck & Co., Inc. (1.27%), Pfizer Inc. (2.89%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($82.01 billion), Invesco QQQ ($47.15 billion), iShares Russell 2000 ETF ($24.07 billion), Nebius Group N.V. ($16.85 billion), Western Digital Corporation ($14.29 billion), SPDR S&P Biotech ETF ($11.89 billion), VanEck Semiconductor ETF ($11.29 billion), KLA Corporation ($10.37 billion), iShares 20+ Year Treasury Bond ETF ($8.78 billion), and Lumentum Holdings Inc. ($8.29 billion). View all of the most shorted stocks.

Short selling AZN is an investing strategy that aims to generate trading profit from Astrazeneca as its price is falling. AZN shares are trading up $3.77 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.

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.

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 June, 30 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like AZN:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


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This page (NYSE:AZN) was last updated on 7/10/2026 by MarketBeat.com Staff.
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