Intrusion Inc. (INTZ) Stock Price History
Historical prices from 1992 to 2026
- 1M
- +19.0%
- 3M
- +7.3%
- YTD
- -28.2%
- 1Y
- -66.0%
- 3Y
- -65.8%
- 5Y
- -67.6%
Loading 10-year price history...
INTZ Historical Performance
INTZ Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -82.6%
- 2003 annual price return
- +51.3%
- 2004 annual price return
- +13.5%
- 2005 annual price return
- -25.1%
- 2006 annual price return
- -77.1%
- 2007 annual price return
- -67.9%
- 2008 annual price return
- +118.8%
- 2009 annual price return
- -71.4%
- 2010 annual price return
- +85.0%
- 2011 annual price return
- +1.4%
- 2012 annual price return
- -34.7%
- 2013 annual price return
- +238.5%
- 2014 annual price return
- +83.1%
- 2015 annual price return
- -61.1%
- 2016 annual price return
- -60.6%
- 2017 annual price return
- +191.0%
- 2018 annual price return
- +217.5%
- 2019 annual price return
- +44.7%
- 2020 annual price return
- +220.4%
- 2021 annual price return
- -79.9%
- 2022 annual price return
- -17.1%
- 2023 annual price return
- -92.1%
- 2024 annual price return
- -37.3%
- 2025 annual price return
- -69.6%
- 2026 annual price return
- -9.9%
INTZ Stock Price Trajectory (1992–2026)
As of July 8, 2026, Intrusion Inc. (INTZ) trades at $0.87, representing a -66.0% return over the past year. The stock has delivered a -99.6% total return over five years (-67.6% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $13,840.00 on September 20, 1995. From this peak, INTZ has corrected -100.0%, currently trading 26% below its 200-day moving average, suggesting potential weakness.
When compared to Technology sector peers QLYS (+7.2% 1Y), RDWR (+0.8% 1Y), and NTCT (+75.8% 1Y), INTZ has underperformed the peer group average. Compare INTZ vs QLYS →
INTZ Historical Price Data · from 1992
Rows 1–50 of 8,591| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-07-07 | 0.80 | 0.93 | 0.80 | 0.87 | 1.03M | +7.28% |
| 2026-07-06 | 0.77 | 0.85 | 0.76 | 0.81 | 559K | +1.87% |
| 2026-07-02 | 0.76 | 0.85 | 0.73 | 0.80 | 1.42M | -1.89% |
| 2026-07-01 | 0.90 | 0.90 | 0.70 | 0.81 | 3.96M | -12.71% |
| 2026-06-30 | 0.92 | 1.08 | 0.85 | 0.93 | 104.26M | +36.47% |
| 2026-06-29 | 0.70 | 0.70 | 0.67 | 0.68 | 37K | +3.09% |
| 2026-06-26 | 0.68 | 0.71 | 0.66 | 0.66 | 0 | -4.14% |
| 2026-06-25 | 0.69 | 0.71 | 0.68 | 0.69 | 162K | +1.12% |
| 2026-06-24 | 0.71 | 0.72 | 0.68 | 0.68 | 151K | -4.08% |
| 2026-06-23 | 0.72 | 0.73 | 0.71 | 0.71 | 64K | -0.15% |
| 2026-06-22 | 0.72 | 0.74 | 0.71 | 0.71 | 91K | -7.29% |
| 2026-06-18 | 0.82 | 0.82 | 0.73 | 0.77 | 144K | -5.32% |
| 2026-06-17 | 0.77 | 0.83 | 0.77 | 0.81 | 69K | +6.27% |
| 2026-06-16 | 0.82 | 0.82 | 0.76 | 0.76 | 152K | -9.25% |
| 2026-06-15 | 0.80 | 0.87 | 0.80 | 0.84 | 209K | +12.00% |
| 2026-06-12 | 0.72 | 0.81 | 0.71 | 0.75 | 159K | +2.57% |
| 2026-06-11 | 0.73 | 0.75 | 0.71 | 0.73 | 50K | +0.14% |
| 2026-06-10 | 0.69 | 0.75 | 0.68 | 0.73 | 136K | +5.22% |
| 2026-06-09 | 0.73 | 0.77 | 0.69 | 0.69 | 150K | -4.96% |
| 2026-06-08 | 0.77 | 0.78 | 0.72 | 0.73 | 82K | -5.17% |
| 2026-06-05 | 0.76 | 0.77 | 0.72 | 0.77 | 238K | -2.99% |
| 2026-06-04 | 0.77 | 0.81 | 0.76 | 0.79 | 97K | +0.72% |
| 2026-06-03 | 0.84 | 0.84 | 0.76 | 0.79 | 162K | -6.73% |
| 2026-06-02 | 0.79 | 0.90 | 0.78 | 0.84 | 447K | +8.96% |
| 2026-06-01 | 0.81 | 0.83 | 0.76 | 0.78 | 150K | -6.58% |
| 2026-05-29 | 0.80 | 0.83 | 0.80 | 0.83 | 116K | +2.33% |
| 2026-05-28 | 0.79 | 0.83 | 0.79 | 0.81 | 81K | +2.66% |
| 2026-05-27 | 0.84 | 0.85 | 0.79 | 0.79 | 74K | -6.66% |
| 2026-05-26 | 0.82 | 0.85 | 0.81 | 0.85 | 53K | +4.51% |
| 2026-05-22 | 0.79 | 0.82 | 0.75 | 0.81 | 0 | +2.27% |
| 2026-05-21 | 0.74 | 0.80 | 0.73 | 0.79 | 237K | +7.17% |
| 2026-05-20 | 0.73 | 0.75 | 0.72 | 0.74 | 45K | +1.92% |
| 2026-05-19 | 0.72 | 0.73 | 0.69 | 0.73 | 109K | +0.69% |
| 2026-05-18 | 0.73 | 0.74 | 0.72 | 0.72 | 98K | -2.64% |
| 2026-05-15 | 0.72 | 0.74 | 0.70 | 0.74 | 127K | -4.96% |
| 2026-05-14 | 0.75 | 0.80 | 0.75 | 0.78 | 253K | +1.99% |
| 2026-05-13 | 0.73 | 0.78 | 0.73 | 0.76 | 306K | +2.68% |
| 2026-05-12 | 0.75 | 0.75 | 0.74 | 0.74 | 41K | -1.30% |
| 2026-05-11 | 0.77 | 0.80 | 0.74 | 0.75 | 100K | -2.26% |
| 2026-05-08 | 0.81 | 0.81 | 0.77 | 0.77 | 64K | -3.75% |
| 2026-05-07 | 0.81 | 0.83 | 0.78 | 0.80 | 103K | +1.29% |
| 2026-05-06 | 0.77 | 0.81 | 0.74 | 0.79 | 111K | +6.76% |
| 2026-05-05 | 0.76 | 0.79 | 0.73 | 0.74 | 135K | -3.97% |
| 2026-05-04 | 0.79 | 0.81 | 0.73 | 0.77 | 151K | -2.38% |
| 2026-05-01 | 0.81 | 0.82 | 0.79 | 0.79 | 42K | -0.74% |
| 2026-04-30 | 0.77 | 0.83 | 0.77 | 0.80 | 87K | +3.89% |
| 2026-04-29 | 0.79 | 0.80 | 0.76 | 0.77 | 126K | -1.87% |
| 2026-04-28 | 0.82 | 0.84 | 0.78 | 0.78 | 100K | -3.95% |
| 2026-04-27 | 0.82 | 0.85 | 0.81 | 0.81 | 97K | -3.31% |
| 2026-04-24 | 0.84 | 0.86 | 0.82 | 0.84 | 87K | +4.57% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
INTZ — Frequently Asked Questions
Quick answers to the most common questions about buying INTZ stock.
How has INTZ stock performed recently?
INTZ declined -66.0% over the past year, below its 5-year annualized CAGR of -67.6%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is INTZ's all-time high price?
Intrusion Inc. reached $13840.00 on 1995-09-20. The 52-week high is $2.64. Current 1-year return of -66.0% places the stock further from historical peaks.
Where can I download INTZ historical price data?
This page provides INTZ daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1992-2026, downloadable in CSV format.