Intrusion (INTZ) Stock Chart & Stock Price History $1.82 -0.09 (-4.71%) Closing price 04:00 PM EasternExtended Trading$1.84 +0.02 (+1.10%) As of 06:44 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 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 51.67%, with a year-to-date return of -40.91%. In the past month, the stock has decreased 12.92%, reflecting recent market activity. As of the latest close, Intrusion traded at $1.91 with a market cap of $38.01 million and volume of 716,516 shares. Five years ago, the stock traded at a split-adjusted price of $189.20, representing a 99.04% decrease over that period. At the time, it had a market cap of $127.44 million and a volume of 470 shares. 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. Email Address 5 Day Performance+7.69%1 Month Performance-12.92%3 Month Performance+12.35%Year-To-Date Performance-40.91%1 Year Performance+51.67%5 Year Performance-99.04% INTZ Stock Chart for Wednesday, August, 13, 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 Capitalization08/12/2025$1.81$1.91+5.52%$1.96$1.75716,516 shs$38.01 million08/11/2025$1.69$1.81+7.10%$1.85$1.65371,872 shs$36.02 million08/08/2025$1.60$1.69+5.62%$1.76$1.63213,762 shs$33.63 million08/07/2025$1.64$1.60-2.44%$1.70$1.58147,784 shs$31.83 million08/06/2025$1.70$1.64-3.53%$1.72$1.63247,055 shs$32.64 million08/05/2025$1.83$1.70-7.10%$1.84$1.66318,431 shs$33.83 million08/04/2025$1.78$1.83+2.81%$1.84$1.75194,627 shs$36.41 million08/01/2025$1.88$1.78-5.32%$1.84$1.75196,307 shs$35.41 million07/31/2025$1.87$1.88+0.53%$1.93$1.84161,053 shs$37.41 million07/30/2025$1.81$1.87+3.31%$1.97$1.85287,041 shs$37.21 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. 07/29/2025$1.86$1.81-2.69%$2.31$1.801.09 million shs$36.01 million07/28/2025$2.05$1.86-9.27%$2.05$1.85546,720 shs$37.01 million07/25/2025$2.08$2.05-1.44%$2.10$2.01178,401 shs$40.80 million07/24/2025$2.14$2.08-2.80%$2.14$2.04172,020 shs$41.39 million07/23/2025$2.13$2.14+0.47%$2.22$2.11258,681 shs$42.58 million07/22/2025$2.04$2.13+4.41%$2.14$2.01208,350 shs$42.39 million07/21/2025$2.09$2.04-2.39%$2.16$2.03420,662 shs$40.60 million07/18/2025$2.21$2.09-5.43%$2.30$2.08285,190 shs$41.59 million07/17/2025$2.11$2.21+4.74%$2.22$2.11330,764 shs$43.98 million07/16/2025$2.07$2.11+1.93%$2.14$1.95498,994 shs$41.18 million07/15/2025$2.11$2.07-1.90%$2.18$2.07214,470 shs$41.19 million07/14/2025$2.09$2.11+0.96%$2.18$2.05196,391 shs$41.99 million Related Companies Lantronix Stock Price Chart One Stop Systems Stock Price Chart Silicom Stock Price Chart AstroNova Stock Price Chart Identiv Stock Price Chart Quantum Stock Price Chart Foxx Development Stock Price Chart Interlink Electronics Stock Price Chart TransAct Technologies Stock Price Chart Hub Cyber Security 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. 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