Cognex (CGNX) Short Interest Ratio & Short Volume $44.18 +0.29 (+0.66%) As of 02:28 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Cognex Short Interest DataCognex (CGNX) has a short interest of 5.34 million shares, representing 3.19% of the float (the number of shares available for trading by the public). This marks a -6.97% decrease 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 2.10 million shares to cover all short positions.Current Short Interest5,340,000 sharesPrevious Short Interest5,740,000 sharesChange Vs. Previous Month-6.97%Dollar Volume Sold Short$217.71 millionShort Interest Ratio2.8 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares167,900,000 sharesFloat Size167,430,000 sharesShort Percent of Float3.19%Today's Trading Volume904,725 sharesAverage Trading Volume2,098,484 sharesToday's Volume Vs. Average43% Short Selling Cognex? Sign up to receive the latest short interest report for Cognex and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCGNX Short Interest Over TimeCGNX Days to Cover Over TimeCGNX Percentage of Float Shorted Over Time Cognex Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/20255,340,000 shares $217.71 million -7.0%3.2%2.8 $40.77 7/15/20255,740,000 shares $190.68 million -0.4%3.4%3 $33.22 6/30/20255,760,000 shares $182.71 million +2.7%3.4%2.4 $31.72 6/15/20255,610,000 shares $169.14 million -2.3%3.4%2.3 $30.15 5/31/20255,740,000 shares $171.80 million -12.5%3.4%2.2 $29.93 5/15/20256,560,000 shares $207.36 million +3.8%3.9%2.5 $31.61 4/30/20256,320,000 shares $172.54 million -3.1%3.8%2.3 $27.30 4/15/20256,520,000 shares $156.48 million +28.9%3.9%2.7 $24.00 3/31/20255,060,000 shares $150.94 million +2.4%3.0%2.6 $29.83 3/15/20254,940,000 shares $155.66 million -3.1%2.9%3 $31.51 Get the Latest News and Ratings for CGNX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Cognex and its competitors with MarketBeat's FREE daily newsletter. 2/28/20255,100,000 shares $167.28 million +17.2%3.0%3.6 $32.80 2/15/20254,350,000 shares $144.42 million -1.4%2.6%3.4 $33.20 1/31/20254,410,000 shares $175.96 million +9.7%2.6%4 $39.90 1/15/20254,020,000 shares $154.85 million +11.1%2.4%3.4 $38.52 12/31/20243,620,000 shares $129.81 million -1.1%2.1%3.2 $35.86 12/15/20243,660,000 shares $135.71 million +6.4%2.1%3.2 $37.08 11/30/20243,440,000 shares $137.53 million +2.1%2.0%3.2 $39.98 11/15/20243,370,000 shares $133.49 million +23.0%2.0%3.1 $39.61 10/31/20242,740,000 shares $110.23 million -28.7%1.6%2.5 $40.23 10/15/20243,840,000 shares $152.41 million -3.5%2.2%3.3 $39.69 9/30/20243,980,000 shares $161.19 million -5.7%2.3%3.3 $40.50 9/15/20244,220,000 shares $163.19 million +2.7%2.5%3.5 $38.67 8/31/20244,110,000 shares $165.96 million -27.8%2.4%3.4 $40.38 8/15/20245,690,000 shares $223.84 million +21.1%3.3%4.7 $39.34 7/31/20244,700,000 shares $233.21 million +1.3%2.8%3.9 $49.62 7/15/20244,640,000 shares $240.26 million +10.0%2.7%4.3 $51.78 6/30/20244,220,000 shares $197.33 million +2.2%2.5%4.1 $46.76 6/15/20244,130,000 shares $188.25 million -9.4%2.4%4.1 $45.58 5/31/20244,560,000 shares $207.57 million -15.4%2.7%4.4 $45.52 5/15/20245,390,000 shares $255.70 million +16.4%3.2%4.8 $47.44 4/30/20244,630,000 shares $192.33 million +2.4%2.7%3.1 $41.54 4/15/20244,520,000 shares $180.62 million +2.0%2.6%3 $39.96 3/31/20244,430,000 shares $187.92 million -0.5%2.6%2.7 $42.42 3/15/20244,450,000 shares $181.20 million No Change2.6%2.7 $40.72 2/29/20244,450,000 shares $175.55 million +15.3%2.6%2.7 $39.45 2/15/20243,860,000 shares $148.65 million -12.9%2.3%2.2 $38.51 1/31/20244,430,000 shares $160.10 million +13.0%2.6%3 $36.14 1/15/20243,920,000 shares $149.27 million +8.9%2.3%2.8 $38.08 12/31/20233,600,000 shares $150.26 million -14.1%2.1%2.6 $41.74 12/15/20234,190,000 shares $175.31 million -20.2%2.4%3.2 $41.8410 Cheap Stocks Ready to Explode (Ad)Remember when Nvidia was trading at $60? 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It's just getting started.Click here to get your free copy of this report 11/30/20235,250,000 shares $197.93 million +0.2%3.1%4.3 $37.70 11/15/20235,240,000 shares $195.82 million -10.1%3.1%5.1 $37.37 10/31/20235,830,000 shares $209.82 million +51.8%3.4%6 $35.99 10/15/20233,840,000 shares $146.92 million -3.0%2.2%4.2 $38.26 9/30/20233,960,000 shares $168.06 million -0.3%2.3%4.9 $42.44 9/15/20233,970,000 shares $173.77 million +5.6%2.3%5.1 $43.77 8/31/20233,760,000 shares $177.02 million -7.4%2.2%4.6 $47.08 8/15/20234,060,000 shares $192.69 million +3.8%2.4%4.8 $47.46 7/31/20233,910,000 shares $213.56 million -4.2%2.3%4.7 $54.62 7/15/20234,080,000 shares $232.89 million +11.2%2.4%5.2 $57.08 6/30/20233,670,000 shares $205.59 million +0.3%2.1%4.8 $56.02 6/15/20233,660,000 shares $206.79 million +16.2%2.1%4.6 $56.50 5/31/20233,150,000 shares $173.12 million +2.3%1.8%4.2 $54.96 5/15/20233,080,000 shares $157.63 million -18.7%1.8%4 $51.18 4/30/20233,790,000 shares $180.75 million -3.6%2.2%4.8 $47.69 4/15/20233,930,000 shares $192.88 million -6.4%2.3%5.2 $49.08 3/31/20234,200,000 shares $208.11 million -7.5%2.4%5.1 $49.55 3/15/20234,540,000 shares $216.56 million -3.0%2.7%5.7 $47.70 2/28/20234,680,000 shares $221.93 million +3.1%2.8%5.6 $47.42 2/15/20234,540,000 shares $255.92 million -7.2%2.7%5.3 $56.37 1/31/20234,890,000 shares $267.68 million -0.8%2.9%6.1 $54.74 1/15/20234,930,000 shares $262.28 million -0.6%3.0%5.9 $53.20 12/30/20224,960,000 shares $233.67 million -1.2%3.0%6 $47.11 12/15/20225,020,000 shares $247.84 million +1.8%3.0%5.9 $49.37 11/30/20224,930,000 shares $245.42 million +3.6%3.0%5.3 $49.78 11/15/20224,760,000 shares $243.76 million -3.3%2.9%5.1 $51.21 10/31/20224,920,000 shares $227.45 million -8.4%3.0%5.2 $46.23 10/15/20225,370,000 shares $219.53 million -2.4%3.2%5.3 $40.88 9/30/20225,500,000 shares $227.98 million +3.0%3.3%5.4 $41.45 9/15/20225,340,000 shares $223.91 million +10.1%3.2%4.9 $41.93 8/31/20224,850,000 shares $204.23 million -3.0%2.9%4.4 $42.11 8/15/20225,000,000 shares $242.80 million -4.2%3.0%4.2 $48.56 7/31/20225,220,000 shares $266.12 million -9.8%3.1%4 $50.98 7/15/20225,790,000 shares $261.71 million +19.9%3.5%4.7 $45.20 6/30/20224,830,000 shares $205.37 million +6.2%3.0%4 $42.52 6/15/20224,550,000 shares $198.93 million +5.8%2.8%3.8 $43.72 5/31/20224,300,000 shares $208.21 million +15.0%2.6%4 $48.42 5/15/20223,740,000 shares $186.93 million +57.8%2.2%3.7 $49.98 4/30/20222,370,000 shares $160.28 million +4.4%1.4%2.5 $67.63 4/15/20222,270,000 shares $159.40 million -23.1%1.4%2.5 $70.22 3/31/20222,950,000 shares $227.59 million +26.1%1.8%3.1 $77.15 3/15/20222,340,000 shares $156.17 million +5.9%1.4%2.8 $66.74 2/28/20222,210,000 shares $149.31 million -2.6%1.3%2.7 $67.56 2/15/20222,270,000 shares $147.64 million -7.4%1.3%2.9 $65.04 1/31/20222,450,000 shares $162.83 million +28.3%1.4%3.3 $66.46 1/15/20221,910,000 shares $134.96 million +20.9%1.1%2.7 $70.66 12/31/20211,580,000 shares $122.86 million -19.8%0.9%2.4 $77.76 12/15/20211,970,000 shares $153.40 million +9.4%1.2%2.9 $77.87 11/30/20211,800,000 shares $139.05 million -2.7%1.1%2.6 $77.25 11/15/20211,850,000 shares $153.85 million -21.6%1.1%2.7 $83.1610 Cheap Stocks Ready to Explode (Ad)Remember when Nvidia was trading at $60? 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It's just getting started.Click here to get your free copy of this report 10/29/20212,360,000 shares $206.71 million -3.7%1.4%3.6 $87.59 10/15/20212,450,000 shares $206.80 million +12.9%1.4%4 $84.41 9/30/20212,170,000 shares $174.08 million -6.9%1.3%3.4 $80.22 9/15/20212,330,000 shares $209.68 million -1.7%1.4%3.7 $89.99 8/31/20212,370,000 shares $210.03 million +10.8%1.4%4 $88.62 8/13/20212,140,000 shares $175.67 million -6.6%1.3%3.5 $82.09 7/30/20212,290,000 shares $207.04 million -0.4%1.3%3.5 $90.41 7/15/20212,300,000 shares $193.75 million -4.6%1.4%3.4 $84.24 6/30/20212,410,000 shares $202.56 million +2.6%1.4%3.6 $84.05 6/15/20212,350,000 shares $187.30 million +14.6%1.4%3.4 $79.70 5/28/20212,050,000 shares $162.75 million +23.5%1.2%2.8 $79.39 5/14/20211,660,000 shares $121.46 million -2.4%1.0%2.1 $73.17 4/30/20211,700,000 shares $149.29 million -7.6%1.0%2 $87.82 4/15/20211,840,000 shares $153.14 million -10.7%1.1%2.3 $83.23 3/31/20212,060,000 shares $168.45 million -13.1%1.2%2.5 $81.77 3/15/20212,370,000 shares $192.30 million +0.9%1.4%2.7 $81.14 2/26/20212,350,000 shares $191.34 million -4.5%1.4%2.9 $81.42 2/12/20212,460,000 shares $221.01 million +0.4%1.5%3.2 $89.84 1/29/20212,450,000 shares $199.75 million -14.0%1.5%3.4 $81.53 1/15/20212,850,000 shares $246.70 million -5.9%1.7%3.8 $86.56 12/31/20203,030,000 shares $245.10 million -7.9%1.8%4.1 $80.89 12/15/20203,290,000 shares $256.09 million +12.3%2.0%4.4 $77.84 11/30/20202,930,000 shares $218.29 million -20.2%1.8%4.1 $74.50 11/15/20203,670,000 shares $261.23 million -0.3%2.2%4.9 $71.18 10/30/20203,680,000 shares $248.99 million -14.2%2.2%5 $67.66 10/15/20204,290,000 shares $288.97 million -3.2%2.6%5.6 $67.36 9/30/20204,430,000 shares $288.39 million -6.1%2.7%5.8 $65.10 9/15/20204,720,000 shares $303.26 million -8.7%2.9%5.6 $64.25 8/31/20205,170,000 shares $357.71 million -15.9%3.1%5.9 $69.19 CGNX Short Interest - Frequently Asked Questions What is Cognex's current short interest? Short interest is the volume of Cognex shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 5,340,000 shares of CGNX short. 3.19% of Cognex's shares are currently sold short. Learn More on Cognex's current short interest. What is a good short interest ratio for Cognex? 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. CGNX shares currently have a short interest ratio of 3.0. Learn More on Cognex's short interest ratio. Which institutional investors are shorting Cognex? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Cognex: Walleye Trading LLC, and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Cognex? 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. 3.19% of Cognex's floating shares are currently sold short. Is Cognex's short interest increasing or decreasing? Cognex saw a drop in short interest in July. As of July 31st, there was short interest totaling 5,340,000 shares, a drop of 7.0% from the previous total of 5,740,000 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 Cognex's float size? Cognex currently has issued a total of 167,900,000 shares. Some of Cognex'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. Cognex currently has a public float of 167,430,000 shares. How does Cognex's short interest compare to its competitors? 3.19% of Cognex's shares are currently sold short. Here is how the short interest of companies compare to Cognex: Trimble Inc. (2.93%), Zebra Technologies Corporation (1.97%), Coherent Corp. (4.59%), Itron, Inc. (7.89%), Badger Meter, Inc. (6.50%), OSI Systems, Inc. (13.30%), Daktronics, Inc. (5.11%), Mesa Laboratories, Inc. (5.96%), Vishay Precision Group, Inc. (5.23%), Fortive Corporation (2.72%), 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 Cognex stock? Short selling CGNX is an investing strategy that aims to generate trading profit from Cognex as its price is falling. CGNX shares are trading up $0.10 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 Cognex? A short squeeze for Cognex 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 CGNX, which in turn drives the price of the stock up even further. How often is Cognex'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 CGNX, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Trimble Short Interest Data Zebra Technologies Short Interest Data Coherent Short Interest Data Itron Short Interest Data Badger Meter Short Interest Data OSI Systems Short Interest Data Daktronics Short Interest Data Mesa Laboratories Short Interest Data Vishay Precision Group Short Interest Data Fortive 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:CGNX) was last updated on 8/27/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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