Intrusion (INTZ) Stock Chart & Stock Price History $1.78 0.00 (0.00%) As of 02:50 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Intrusion Stock Price Performance The Intrusion (INTZ) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 100.45%, with a year-to-date return of -42.21%. In the past month, the stock has increased 7.23%, reflecting recent market activity. As of the latest close, Intrusion traded at $1.78 with a market cap of $35.42 million and volume of 440,467 shares. Five years ago, the stock traded at a split-adjusted price of $220.00, representing a 99.19% decrease over that period. At the time, it had a market cap of $164.22 million and a volume of 14,810 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-3.78%1 Month Performance+7.23%3 Month Performance-27.64%Year-To-Date Performance-42.21%1 Year Performance+100.45%5 Year Performance-99.19% INTZ Stock Chart for Wednesday, October, 8, 2025 INTZ Chart by TradingView Intrusion Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/07/2025$1.82$1.78-2.20%$1.96$1.76440,467 shs$35.42 million10/06/2025$1.85$1.82-1.62%$1.85$1.80218,812 shs$36.22 million10/03/2025$1.81$1.85+2.21%$1.87$1.77219,363 shs$36.82 million10/02/2025$1.66$1.81+9.04%$1.83$1.70164,727 shs$36.02 million10/01/2025$1.60$1.66+3.75%$1.67$1.60166,899 shs$33.03 million09/30/2025$1.75$1.60-8.57%$1.71$1.58415,374 shs$31.84 million09/29/2025$1.72$1.75+1.74%$1.78$1.70140,480 shs$34.83 million09/26/2025$1.72$1.72$1.78$1.71111,627 shs$34.23 million09/25/2025$1.81$1.72-4.97%$1.79$1.64338,078 shs$34.23 million09/24/2025$1.89$1.81-4.23%$1.96$1.78227,729 shs$36.02 million 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. 09/23/2025$1.95$1.89-3.08%$2.00$1.87334,373 shs$37.61 million09/22/2025$1.95$1.95$1.97$1.89284,649 shs$38.81 million09/19/2025$1.78$1.95+9.55%$1.95$1.76427,923 shs$38.81 million09/18/2025$1.71$1.78+4.09%$1.79$1.70245,648 shs$35.42 million09/17/2025$1.69$1.71+1.18%$1.82$1.68225,190 shs$34.03 million09/16/2025$1.73$1.69-2.31%$1.75$1.65214,715 shs$33.63 million09/15/2025$1.69$1.73+2.37%$1.75$1.70132,355 shs$34.43 million09/12/2025$1.66$1.69+1.81%$1.74$1.65101,053 shs$33.63 million09/11/2025$1.67$1.66-0.60%$1.70$1.64109,393 shs$33.03 million09/10/2025$1.72$1.67-2.91%$1.73$1.66138,339 shs$33.23 million09/09/2025$1.66$1.72+3.61%$1.75$1.63184,310 shs$34.23 million09/08/2025$1.67$1.66-0.60%$1.70$1.61130,366 shs$33.03 million Related Companies Energous Stock Price Chart Quantum Stock Price Chart One Stop Systems Stock Price Chart Silicom Stock Price Chart Identiv Stock Price Chart Interlink Electronics Stock Price Chart AstroNova Stock Price Chart TransAct Technologies Stock Price Chart Foxx Development Stock Price Chart B.O.S. Better Online Solutions Stock Price Chart Receive INTZ Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Intrusion and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:INTZ) was last updated on 10/8/2025 by MarketBeat.com Staff From Our PartnersURGENT: The Market's 3 Red Flags Are FlashingThe warning signs that preceded the 2008 crash are reappearing: an irrational NASDAQ bubble, a record-high gol...StockEarnings | SponsoredYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? 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