Intrusion (INTZ) Short Interest Ratio & Short Volume $1.83 +0.03 (+1.67%) Closing price 04:00 PM EasternExtended Trading$1.82 -0.01 (-0.49%) As of 06:55 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Intrusion Short Interest DataIntrusion (INTZ) has a short interest of 1.26 million shares, representing 7.16% of the float (the number of shares available for trading by the public). This marks a 4.13% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.3, indicating that it would take 2.3 days of the average trading volume of 335,911 shares to cover all short positions.Current Short Interest1,260,000 sharesPrevious Short Interest1,210,000 sharesChange Vs. Previous Month+4.13%Dollar Volume Sold Short$2.37 millionShort Interest Ratio2.3 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares19,900,000 sharesFloat Size17,610,000 sharesShort Percent of Float7.16%Today's Trading Volume161,854 sharesAverage Trading Volume335,911 sharesToday's Volume Vs. Average48% Short Selling Intrusion? Sign up to receive the latest short interest report for Intrusion and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartINTZ Short Interest Over TimeINTZ Days to Cover Over TimeINTZ Percentage of Float Shorted Over Time Intrusion Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/20251,260,000 shares $2.37 million +4.1%7.2%2.3 $1.88 7/15/20251,210,000 shares $2.50 million -17.7%6.9%2.3 $2.07 6/30/20251,470,000 shares $3.37 million -4.6%8.4%2.8 $2.29 6/15/20251,540,000 shares $3.02 million +68.0%8.8%2.9 $1.96 5/31/2025916,900 shares $1.19 million -42.7%5.2%1.7 $1.30 5/15/20251,600,000 shares $2.54 million +25.0%9.1%3.5 $1.59 4/30/20251,280,000 shares $1.61 million +9.4%7.3%2.4 $1.26 4/15/20251,170,000 shares $1.28 million -21.5%6.7%1.7 $1.09 3/31/20251,490,000 shares $1.67 million +82.5%8.6%0.7 $1.12 3/15/2025816,300 shares $922.42 thousand +7.2%4.7%0.1 $1.13 Get the Latest News and Ratings for INTZ and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Intrusion and its competitors with MarketBeat's FREE daily newsletter. 2/28/2025761,400 shares $647.19 thousand +60.4%4.5%0.1 $0.85 2/15/2025474,700 shares $788.00 thousand +27.9%2.8%0.1 $1.66 1/31/2025371,100 shares $642.00 thousand -61.4%2.5%0 $1.73 1/15/2025961,400 shares $2.57 million -70.3%7.2%0.1 $2.67 12/31/20243,240,000 shares $9.98 million +1,202.3%24.9%0.5 $3.08 12/15/2024248,800 shares $116.29 thousand +26.6%3.1%1.2 $0.47 11/30/2024196,600 shares $110.10 thousand +33.0%2.7%1.1 $0.56 11/15/2024147,800 shares $99.11 thousand -1.6%2.1%1.1 $0.67 10/31/2024150,200 shares $116.45 thousand +0.5%2.5%1.2 $0.78 10/15/2024149,400 shares $104.57 thousand -26.8%2.5%1.3 $0.70 9/30/2024204,000 shares $175.44 thousand +188.1%3.4%1.9 $0.86 9/15/202470,800 shares $74.34 thousand +19.4%1.2%0.9 $1.05 8/31/202459,300 shares $72.94 thousand -28.9%1.0%0.8 $1.23 8/15/202483,400 shares $108.84 thousand -0.5%1.4%1 $1.31 7/31/202483,800 shares $95.53 thousand -9.5%1.5%0.7 $1.14 7/15/202492,600 shares $115.75 thousand +33.2%1.7%0.6 $1.25 6/30/202469,500 shares $76.45 thousand -6.5%1.7%0.3 $1.10 6/15/202474,300 shares $98.82 thousand -6.0%2.0%0.3 $1.33 5/31/202479,000 shares $119.29 thousand -7.2%4.0%0.3 $1.51 5/15/202485,100 shares $161.69 thousand -31.7%4.3%0.4 $1.90 4/30/2024124,500 shares $216.63 thousand +131.4%10.5%0.7 $1.74 4/15/202453,800 shares $133.96 thousand +83.0%4.0%0.4 $2.49 3/31/202429,400 shares $88.20 thousand +33.6%2.1%0.8 $3.00 3/15/202422,000 shares $74.49 thousand -93.8%N/A1 $3.39 2/29/2024356,100 shares $66.38 thousand -17.6%N/A0.9 $0.19 2/15/2024432,300 shares $107.99 thousand +4.7%N/A1.1 $0.25 1/31/2024413,000 shares $95.40 thousand -28.8%N/A0.6 $0.23 1/15/2024579,900 shares $140.92 thousand -52.1%N/A0.8 $0.24 12/31/20231,210,000 shares $306.13 thousand -13.0%N/A0.9 $0.25 12/15/20231,390,000 shares $308.58 thousand -9.7%N/A1 $0.22Could This Be the End of Retirement Worries? (Ad)Bloomberg reports that a new class of investments is “entering a golden era,” with yields fueling a retail boom. For retirees, that could mean a way to generate reliable monthly income—without the outdated 4% withdrawal rule, risky trading, or high-fee annuities. If you’re ready to stop worrying about money running out and start enjoying the freedom to cover expenses, treat loved ones, and live life on your terms, this may be exactly what you’ve been waiting for.Click here to see how to turn your savings into a monthly income machine. 11/30/20231,540,000 shares $519.75 thousand -47.6%N/A1.1 $0.34 11/15/20232,940,000 shares $1.21 million -10.6%N/A2.2 $0.41 10/31/20233,290,000 shares $990.95 thousand -8.4%21.3%2.8 $0.30 10/15/20233,590,000 shares $1.08 million +35.0%23.3%3.8 $0.30 9/30/20232,660,000 shares $928.34 thousand +55.6%N/A3.3 $0.35 9/15/20231,710,000 shares $689.13 thousand +31.5%10.0%8 $0.40 8/31/20231,300,000 shares $1.05 million +55.7%7.8%7.4 $0.81 8/15/2023834,800 shares $726.28 thousand +12.7%5.0%5.4 $0.87 7/31/2023741,000 shares $778.05 thousand +23.2%4.8%5.5 $1.05 7/15/2023601,700 shares $661.87 thousand +24.3%4.3%5.3 $1.10 6/30/2023484,200 shares $590.72 thousand -3.6%3.4%5.3 $1.22 6/15/2023502,100 shares $718.00 thousand +30.4%3.6%6.3 $1.43 5/31/2023385,000 shares $600.60 thousand +22.9%2.7%5.7 $1.56 5/15/2023313,300 shares $435.49 thousand +18.3%2.2%6.3 $1.39 4/30/2023264,900 shares $267.55 thousand +11.6%1.8%7.4 $1.01 4/15/2023237,400 shares $289.63 thousand -13.9%1.6%6.5 $1.22 3/31/2023275,700 shares $322.57 thousand -8.1%1.9%7.5 $1.17 3/15/2023300,100 shares $360.12 thousand +6.7%2.1%9.3 $1.20 2/28/2023281,300 shares $680.75 thousand +0.1%1.9%10.1 $2.42 2/15/2023281,000 shares $775.56 thousand -4.8%1.9%12.3 $2.76 1/31/2023295,300 shares $1.05 million -8.4%2.0%12.3 $3.54 1/15/2023322,300 shares $937.89 thousand -4.5%2.2%13.2 $2.91 12/30/2022337,500 shares $1.07 million -6.7%2.3%11.9 $3.16 12/15/2022361,900 shares $1.25 million +7.3%2.5%12.9 $3.45 11/30/2022337,400 shares $1.04 million +2.6%2.4%9.8 $3.07 11/15/2022329,000 shares $1.16 million -0.8%2.3%9.8 $3.53 10/31/2022331,700 shares $1.65 million +11.8%2.5%8.6 $4.98 10/15/2022296,700 shares $1.52 million -10.2%2.3%7.4 $5.11 9/30/2022330,200 shares $1.59 million +32.0%2.5%8.1 $4.82 9/15/2022250,100 shares $1.10 million -14.9%1.8%6 $4.38 8/31/2022293,700 shares $1.20 million -14.0%2.1%6.8 $4.07 8/15/2022341,500 shares $1.39 million -12.6%2.4%6.9 $4.06 7/31/2022390,900 shares $1.55 million -6.4%2.8%7.1 $3.97 7/15/2022417,600 shares $1.59 million +1.5%3.0%7.9 $3.80 6/30/2022411,300 shares $1.61 million +1.4%3.0%7.5 $3.91 6/15/2022405,700 shares $1.51 million +11.2%2.9%7.1 $3.73 5/31/2022364,800 shares $933.89 thousand +6.4%2.6%2.6 $2.56 5/15/2022342,800 shares $815.86 thousand -8.4%2.5%1.6 $2.38 4/30/2022374,400 shares $801.22 thousand -2.9%2.7%1.8 $2.14 4/15/2022385,700 shares $815.76 thousand -10.0%2.8%1.8 $2.12 3/31/2022428,300 shares $1.06 million -31.9%N/A2 $2.48 3/15/2022628,900 shares $1.26 million +2.8%4.4%2.8 $2.00 2/28/2022611,800 shares $2.19 million +17.7%4.4%3.5 $3.58 2/15/2022519,700 shares $2.02 million -12.1%3.8%4.1 $3.88 1/31/2022591,300 shares $1.96 million +22.5%5.0%4.5 $3.32 1/15/2022482,700 shares $1.74 million +5.1%N/A3.5 $3.60 12/31/2021459,300 shares $1.58 million -8.4%3.9%3.3 $3.44 12/15/2021501,600 shares $2.03 million +11.7%4.2%3.2 $4.05 11/30/2021448,900 shares $1.60 million -21.8%4.0%2.5 $3.56 11/15/2021574,300 shares $2.48 million +7.4%5.1%2.6 $4.31Could This Be the End of Retirement Worries? (Ad)Bloomberg reports that a new class of investments is “entering a golden era,” with yields fueling a retail boom. For retirees, that could mean a way to generate reliable monthly income—without the outdated 4% withdrawal rule, risky trading, or high-fee annuities. If you’re ready to stop worrying about money running out and start enjoying the freedom to cover expenses, treat loved ones, and live life on your terms, this may be exactly what you’ve been waiting for.Click here to see how to turn your savings into a monthly income machine. 10/29/2021534,800 shares $2.11 million -18.5%5.0%2.4 $3.94 10/15/2021656,100 shares $2.41 million +0.0%6.1%0.4 $3.68 9/30/2021655,900 shares $2.66 million -40.9%6.1%0.4 $4.06 9/15/20211,110,000 shares $4.61 million +2.8%10.4%0.6 $4.15 8/31/20211,080,000 shares $4.86 million +3.9%10.1%0.6 $4.50 8/13/20211,040,000 shares $4.85 million -44.4%9.7%0.6 $4.66 7/30/20211,870,000 shares $8.49 million +49.6%17.5%1.1 $4.54 7/15/20211,250,000 shares $11.61 million -5.3%11.9%3.1 $9.29 6/30/20211,320,000 shares $20.34 million -9.0%12.6%3 $15.41 6/15/20211,450,000 shares $22.94 million -25.3%13.8%3.2 $15.82 5/28/20211,940,000 shares $28.83 million -4.4%18.5%4.2 $14.86 5/14/20212,030,000 shares $18.05 million +9.7%19.4%4.4 $8.89 4/30/20211,850,000 shares $32.73 million +16.4%17.6%4.4 $17.69 4/15/20211,590,000 shares $37.76 million +22.3%N/A0 $23.75 3/31/20211,300,000 shares $25.56 million +9.2%12.8%5.5 $19.66 3/15/20211,190,000 shares $27.80 million +49.3%11.8%6.1 $23.36 2/26/2021797,100 shares $14.96 million +27.9%8.4%4.6 $18.77 2/12/2021623,300 shares $14.69 million +23.1%6.5%4.4 $23.57 1/29/2021506,400 shares $10.99 million +66.1%4.8%3.8 $21.70 1/15/2021304,800 shares $7.61 million No Change2.9%2.5 $24.97 9/30/202037,800 shares $548.86 thousand +43.2%N/A0.6 $14.52 9/15/202026,400 shares $438.24 thousand +114.6%N/A0.5 $16.60 8/31/202012,300 shares $141.33 thousand +284.4%N/A0.2 $11.49 INTZ Short Interest - Frequently Asked Questions What is Intrusion's current short interest? Short interest is the volume of Intrusion shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 1,260,000 shares of INTZ short. 7.16% of Intrusion's shares are currently sold short. Learn More on Intrusion's current short interest. What is a good short interest ratio for Intrusion? 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. INTZ shares currently have a short interest ratio of 2.0. Learn More on Intrusion's short interest ratio. What is a good short interest percentage for Intrusion? 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. 7.16% of Intrusion's floating shares are currently sold short. Is Intrusion's short interest increasing or decreasing? Intrusion saw a increase in short interest in July. As of July 31st, there was short interest totaling 1,260,000 shares, an increase of 4.1% from the previous total of 1,210,000 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 Intrusion's float size? Intrusion currently has issued a total of 19,900,000 shares. Some of Intrusion'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. Intrusion currently has a public float of 17,610,000 shares. How does Intrusion's short interest compare to its competitors? 7.16% of Intrusion's shares are currently sold short. Here is how the short interest of companies in the industry of "computer hardware" compare to Intrusion: Lantronix, Inc. (0.91%), One Stop Systems, Inc. (0.92%), Silicom Ltd (0.02%), AstroNova, Inc. (0.17%), Identiv, Inc. (0.68%), Quantum Corporation (29.87%), TransAct Technologies Incorporated (0.05%), B.O.S. Better Online Solutions (2.12%), Hub Cyber Security Ltd. (33.33%), Interlink Electronics, Inc. (0.89%), 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 Intrusion stock? Short selling INTZ is an investing strategy that aims to generate trading profit from Intrusion as its price is falling. INTZ shares are trading up $0.03 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 Intrusion? A short squeeze for Intrusion 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 INTZ, which in turn drives the price of the stock up even further. How often is Intrusion'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 INTZ, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies LTRX Short Interest Data OSS Short Interest Data SILC Short Interest Data ALOT Short Interest Data INVE Short Interest Data QMCO Short Interest Data TACT Short Interest Data BOSC Short Interest Data HUBC Short Interest Data LINK 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:INTZ) was last updated on 8/22/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredEveryone’s watching Nvidia right now. 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