--- url: https://finance.yahoo.com/quote/INTZ/history?period1=1573776000&period2=1573948800 title: Intrusion Inc. (INTZ) Stock Historical Prices & Data - Yahoo Finance description: Discover historical prices for INTZ stock on Yahoo Finance. View daily, weekly or monthly format back to when Intrusion Inc. stock was issued. access_date: 2026-06-21T03:54:47.000Z current_date: 2026-06-21T03:54:47.793Z --- Skip to navigation Skip to main content Skip to right column ### U.S. markets closed U.S. markets closed S&P 500 7,500.58 +80.48 +1.08% Dow 30 51,564.70 +72.15 +0.14% Nasdaq 26,517.93 +496.28 +1.91% Russell 2000 2,979.77 +61.78 +2.12% VIX 16.78 +0.38 +2.32% Gold 4,172.90 \-73.00 \-1.72% Bitcoin USD 64,363.56 +945.40 +1.49% Crude Oil Aug 26 76.54 +0.69 +0.91% INTZ Intrusion Inc. 0.7200 +2.53% NasdaqCM - Nasdaq Real Time Price USD # Intrusion Inc. (INTZ) Get top stock picks 0.7022 \-0.1079 (-13.32%) At close: June 18 at 4:00:01 PM EDT 0.7200 +0.0178 (+2.53%) After hours: June 18 at 7:39:57 PM EDT Nov 15, 2019 - Nov 17, 2019 Historical Prices Daily Currency in USD Download | Date | Open | High | Low | Close Close price adjusted for splits. | Adj Close Adjusted close price adjusted for splits and dividend and/or capital gain distributions. | Volume | | ------------ | -------- | -------- | -------- | -------------------------------------- | -------------------------------------------------------------------------------------------------- | ------ | | Nov 15, 2019 | 103.6000 | 104.0000 | 100.0000 | 104.0000 | 104.0000 | 280 | VRAR AIXC AIxCrypto Holdings, Inc. **1.4600** +2.10% BKS.L Beeks Financial Cloud Group plc **200.00** \-2.44% CGNT Cognyte Software Ltd. **8.32** \-1.07% REKR Rekor Systems, Inc. **0.7064** +0.71% PRGS Progress Software Corporation **29.68** \-1.33% FLYW Flywire Corporation **15.85** +2.79% DTSS Datasea Intelligent Technology Ltd. **0.7600** \-1.94% MLGO MicroAlgo Inc. **4.8400** +0.21% PAYS Paysign, Inc. **7.40** +1.51%