Free Trial
→ My top 3 AI picks for the next decade (From The Oxford Club) (Ad)tc pixel Free CGNX Stock Alerts

Cognex (CGNX) Short Interest Ratio & Short Volume

Cognex logo
$60.91 -0.30 (-0.49%)
Closing price 04:00 PM Eastern
Extended Trading
$60.45 -0.46 (-0.75%)
As of 07:56 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.
Compare

Cognex Short Interest Overview

As of September 15, 2026, Cognex (CGNX) had a short interest of 7.13 million shares sold short, representing 4.31% of the public float. This marks a -7.32% decrease in short interest since the prior report. The short interest ratio (days to cover) is 5.0, meaning it would take 5.0 days of the average trading volume of 1.72 million shares to cover all short positions.

Current Short Interest
7,132,531 shares
Previous Short Interest
7,696,027 shares
Change Vs. Previous Month
-7.32%
Dollar Volume Sold Short
$421.89 million
Short Interest Ratio
5.0 Days to Cover
Last Record Date
September 15, 2026
Outstanding Shares
168,220,000 shares
Short Percent of Float
4.31%
Today's Trading Volume
1,815,618 shares
Average Trading Volume
1,716,648 shares
Today's Volume Vs. Average
106%
Short Selling Cognex?
A Guide To High-Short-Interest Stocks

Sign up to receive the latest short interest report for Cognex and its competitors with MarketBeat's FREE newsletter.

Get Report
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Charts & View Short Interest History
Short Interest ChartDays to Cover ChartShort Percent of Float Chart

CGNX Short Interest Over Time

CGNX Days to Cover Over Time

CGNX Percentage of Float Shorted Over Time

Cognex Tesla Short Interest History & Recent Changes

Export
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
9/15/20267,132,531 shares $421.89 million -7.3%4.3%5.01 $59.15
8/31/20267,696,027 shares $469.15 million +2.5%4.7%4.57 $60.96
8/14/20267,507,974 shares $492.75 million -13.8%4.5%2.6 $65.63
7/31/20268,712,324 shares $568.39 million +4.8%5.3%5.12 $65.24
7/15/20268,312,254 shares $525.67 million +2.8%5.1%3.55 $63.24
6/30/20268,084,861 shares $585.51 million +22.1%4.9%3.03 $72.42
6/15/20266,623,242 shares $436.47 million +18.5%4.0%3.36 $65.90
5/29/20265,590,268 shares $368.12 million +4.8%3.4%2.72 $65.85
5/15/20265,332,645 shares $342.68 million -2.8%3.3%1.54 $64.26
4/30/20265,486,084 shares $304.53 million +11.9%3.4%3.46 $55.51
4/15/20264,901,204 shares $267.80 million +6.4%3.0%2.98 $54.64
3/31/20264,605,018 shares $225.60 million +16.1%2.8%2.54 $48.99
3/13/20263,966,870 shares $190.33 million -22.5%2.4%1.91 $47.98
2/27/20265,121,286 shares $278.60 million +2.5%3.1%2.07 $54.40
2/13/20264,996,707 shares $293.76 million -27.3%3.1%1.43 $58.79
1/30/20266,868,499 shares $266.09 million +6.4%4.2%4.06 $38.74
1/15/20266,455,893 shares $262.04 million -0.8%3.9%4.45 $40.59
12/31/20256,510,204 shares $234.24 million +16.1%3.9%3.82 $35.98
12/15/20255,606,760 shares $195.12 million +3.5%3.4%2.92 $34.80
11/28/20255,415,999 shares $206.92 million -23.5%3.3%3.44 $38.21
11/14/20257,077,090 shares $260.22 million +69.3%4.3%3.79 $36.77
10/31/20254,179,545 shares $172.99 million -6.9%2.5%2.14 $41.39
10/15/20254,490,000 shares $205.60 million +1.6%2.7%2.2 $45.79
9/30/20254,420,000 shares $200.23 million -20.5%2.6%2.2 $45.30
9/15/20255,560,000 shares $245.53 million -8.9%3.3%2.7 $44.16
8/31/20256,100,000 shares $268.03 million -0.3%3.6%3.1 $43.94
8/15/20256,120,000 shares $261.32 million +14.6%3.7%3.2 $42.70
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
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
Do this before December or regret it (Ad)

Porter Stansberry believes President Trump will use the December G20 Summit in Miami to unveil a radical monetary reset tied to executive order 14241 - one he says could draw a sharp dividing line between prepared investors and those left behind. The last time America reset its money - under Nixon in the 1970s - it produced an average of 1,300 new millionaires per day for over 50 years. Stansberry's new documentary names a core group of assets he believes are positioned to surge as Trump's new dollar rolls out. Watch Porter Stansberry's full briefing and get his three steps to prepare before December.tc pixel

Watch Porter Stansberry's full briefing and get his three steps to prepare before December.
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 $41.84
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
Ominous New Day in America (Get Ready for it) (Ad)

A market forecaster with a 55-year track record - including calls on 1970s double-digit inflation, the 1980s S&L collapse and Black Monday crash, and the 2000s dot-com bust and Lehman Brothers collapse - says a major shift is coming to how Americans bank, work and insure themselves. The New York Times has credited him as the first to spot looming dangers, and he has testified before Congress on past financial crises.tc pixel

Watch his free video and learn how to prepare now
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 $83.16
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

CGNX Short Interest - Frequently Asked Questions

Short interest is the volume of Cognex shares that have been sold short but have not yet been covered or closed out. As of September 15th, traders have sold 7,132,531 shares of CGNX short. 4.31% of Cognex's shares are currently sold short. Learn More on Cognex'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. CGNX shares currently have a short interest ratio of 5.0. Learn More on Cognex'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. 4.31% of Cognex's floating shares are currently sold short.

Cognex saw a drop in short interest in the month of September. As of September 15th, there was short interest totaling 7,132,531 shares, a drop of 7.3% from the previous total of 7,696,027 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.

4.31% of Cognex's shares are currently sold short. Here is how the short interest of companies in the industry of "electronic equipment & instruments" compare to Cognex: IPG Photonics Corporation (12.94%), Teledyne Technologies Incorporated (1.96%), Zebra Technologies Corporation (3.92%), Advanced Energy Industries, Inc. (4.60%), Ralliant Corporation (4.82%), Novanta Inc. (13.31%), Vontier Corporation (8.79%), Itron, Inc. (14.21%), Badger Meter, Inc. (13.30%), Mirion Technologies, Inc. (17.01%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($75.21 billion), Invesco QQQ ($46.31 billion), iShares Russell 2000 ETF ($27.98 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($9.70 billion), Canadian Natural Resources Limited ($9.42 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($8.53 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.79 billion), and Financial Select Sector SPDR Fund ($7.74 billion). View all of the most shorted stocks.

Short selling CGNX is an investing strategy that aims to generate trading profit from Cognex as its price is falling. CGNX shares are trading down $0.45 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 Cognex occurs when it has a large amount of short interest and its stock increases 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.

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 September, 15 2026.

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

  • 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.


Related Companies
Short Interest Tools

Short interest data for NASDAQ:CGNX is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 9/24/2026. FINRA publishes updated short interest twice a month.
From Our Partners
My top 3 AI picks for the next decade
Alexander Green bought Apple in 1996, recommended Nvidia at a split-adjusted 66 cents in 2004, and picked up A...
The Oxford Club | Sponsoredtc pixel
This free guide explains options the way they should be taught
Most options educators jump straight into Greeks, spreads, and implied volatility - losing beginners before th...
Base Camp Trading | Sponsoredtc pixel
CODE RED: AI Meltdown Imminent?
After correctly predicting the 2008 and 2020 stock market meltdowns, I believe this AI company is about to tri...
Paradigm Press | Sponsoredtc pixel
A letter from Shannon Stansberry
Porter Stansberry nearly canceled the entire project. When he first saw the claimed returns - only one down ye...
Porter & Company | Sponsoredtc pixel
A simple options setup that cuts through the noise
Ian Cooper says most options traders overcomplicate the process, juggling countless indicators, strategies, an...
TradeWins | Sponsoredtc pixel
These gold assets are priced for $1,800 gold [it's over $4,000]
Gold's major miners are generating record free cash flow, with margins as high as 75 percent even after gold's...
Golden Portfolio | Sponsoredtc pixel
You ignored me once and it cost you... big time.
In 2022, Karim Rahemtulla called Rolls-Royce the best value play in market history. Shares have since climbed ...
Monument Traders Alliance | Sponsoredtc pixel
Analyst nicknamed “The Prophet” issues new warning for America
Whitney Tilson exposed a major company on 60 Minutes in an Emmy-winning investigation - the stock lost nearly ...
Stansberry Research | Sponsoredtc pixel