Intrusion - 15 Year Stock Price History | INTZ
Historical daily share price chart and data for Intrusion since 2011 adjusted for splits and dividends. The latest closing stock price for Intrusion as of September 15, 2026 is 0.80.
- The all-time high Intrusion stock closing price was 565.00 on April 13, 2021.
- The Intrusion 52-week high stock price is 2.27, which is 183.8% above the current share price.
- The Intrusion 52-week low stock price is 0.59, which is 26.3% below the current share price.
- The average Intrusion stock price for the last 52 weeks is 1.10.
| Intrusion Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 0.8938 | 1.2100 | 1.5000 | 0.6000 | 0.8008 | -30.37% |
| 2025 | 1.6757 | 3.7800 | 4.2000 | 0.7752 | 1.1500 | -62.60% |
| 2024 | 1.9961 | 4.9100 | 5.6800 | 0.3560 | 3.0750 | -39.23% |
| 2023 | 24.1981 | 63.8000 | 78.0000 | 4.4040 | 5.0600 | -91.99% |
| 2022 | 71.0375 | 76.2000 | 110.6000 | 36.2000 | 63.2000 | -8.14% |
| 2021 | 239.4488 | 342.2000 | 565.0000 | 65.6000 | 68.8000 | -80.48% |
| 2020 | 169.4368 | 110.0000 | 381.8000 | 54.0000 | 352.4000 | 220.36% |
| 2019 | 90.5075 | 76.0000 | 110.0000 | 74.8000 | 110.0000 | 44.36% |
| 2018 | 39.4937 | 24.0000 | 76.2000 | 18.4200 | 76.2000 | 204.80% |
| 2017 | 10.2373 | 8.5880 | 25.0000 | 4.6000 | 25.0000 | 190.90% |
| 2016 | 8.9004 | 21.6400 | 21.6400 | 3.2000 | 8.5940 | -60.58% |
| 2015 | 37.0391 | 56.0000 | 57.4000 | 20.4000 | 21.8000 | -61.35% |
| 2014 | 45.7284 | 30.8000 | 60.0000 | 30.8000 | 56.4000 | 113.64% |
| 2013 | 17.5865 | 7.7980 | 32.2000 | 4.0020 | 26.4000 | 169.50% |
| 2012 | 11.1264 | 15.0000 | 15.0000 | 5.0300 | 9.7960 | -34.69% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Computer and Technology | Computer Networks | $0.020B | $0.007B |
| Intrusion Inc. is a leading global provider of enterprise security solutions for the information-driven economy. Intrusion Inc.'s suite of security products help businesses protect critical information assets by quickly detecting, analyzing and responding to network- and host-based attacks. | |||
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