Intrusion Inc. (INTZ) Stock Price History
Historical prices from 1992 to 2026
- 1M
- -15.9%
- 3M
- -9.6%
- YTD
- -40.6%
- 1Y
- -60.3%
- 3Y
- -53.3%
- 5Y
- -60.4%
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
- -36.4%
INTZ Stock Price Trajectory (1992–2026)
As of October 3, 2026, Intrusion Inc. (INTZ) trades at $0.72, representing a -60.3% return over the past year. The stock has delivered a -99.0% total return over five years (-60.4% 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 20% below its 200-day moving average, suggesting potential weakness.
When compared to Technology sector peers QLYS (+47.6% 1Y), RDWR (+12.7% 1Y), and NTCT (+55.7% 1Y), INTZ has underperformed the peer group average. Compare INTZ vs QLYS →
INTZ Historical Price Data · from 1992
Rows 1–50 of 8,652| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-10-02 | 0.71 | 0.72 | 0.70 | 0.72 | 73K | +1.24% |
| 2026-10-01 | 0.72 | 0.72 | 0.71 | 0.71 | 15K | -1.39% |
| 2026-09-30 | 0.71 | 0.77 | 0.70 | 0.72 | 74K | -1.97% |
| 2026-09-29 | 0.66 | 0.75 | 0.66 | 0.73 | 117K | +8.99% |
| 2026-09-28 | 0.71 | 0.72 | 0.67 | 0.67 | 81K | -5.15% |
| 2026-09-25 | 0.72 | 0.75 | 0.70 | 0.71 | 35K | -2.66% |
| 2026-09-24 | 0.76 | 0.76 | 0.72 | 0.73 | 35K | -0.22% |
| 2026-09-23 | 0.76 | 0.80 | 0.72 | 0.73 | 64K | -5.04% |
| 2026-09-22 | 0.76 | 0.79 | 0.70 | 0.77 | 121K | +2.54% |
| 2026-09-21 | 0.70 | 0.80 | 0.68 | 0.75 | 310K | -2.43% |
| 2026-09-18 | 0.77 | 0.80 | 0.74 | 0.77 | 99K | +1.18% |
| 2026-09-17 | 0.73 | 0.78 | 0.73 | 0.76 | 65K | -1.16% |
| 2026-09-16 | 0.78 | 0.79 | 0.75 | 0.77 | 43K | -3.85% |
| 2026-09-15 | 0.83 | 0.86 | 0.80 | 0.80 | 46K | -10.00% |
| 2026-09-14 | 0.82 | 0.92 | 0.81 | 0.89 | 124K | +5.30% |
| 2026-09-11 | 0.80 | 0.85 | 0.79 | 0.84 | 59K | +2.77% |
| 2026-09-10 | 0.83 | 0.83 | 0.80 | 0.82 | 62K | -1.89% |
| 2026-09-09 | 0.83 | 0.85 | 0.80 | 0.84 | 95K | -0.96% |
| 2026-09-08 | 0.75 | 0.85 | 0.75 | 0.85 | 177K | +8.47% |
| 2026-09-04 | 0.81 | 0.81 | 0.76 | 0.78 | 125K | -5.73% |
| 2026-09-03 | 0.83 | 0.87 | 0.80 | 0.83 | 193K | -3.23% |
| 2026-09-02 | 0.83 | 0.88 | 0.82 | 0.85 | 131K | +2.33% |
| 2026-09-01 | 0.90 | 0.90 | 0.80 | 0.84 | 164K | -4.53% |
| 2026-08-31 | 0.78 | 0.93 | 0.75 | 0.88 | 551K | +10.13% |
| 2026-08-28 | 0.82 | 0.88 | 0.76 | 0.79 | 827K | -1.90% |
| 2026-08-27 | 0.70 | 0.85 | 0.69 | 0.81 | 1.12M | +17.05% |
| 2026-08-26 | 0.61 | 0.70 | 0.60 | 0.69 | 207K | +15.33% |
| 2026-08-25 | 0.62 | 0.62 | 0.59 | 0.60 | 330K | -3.60% |
| 2026-08-24 | 0.65 | 0.66 | 0.62 | 0.62 | 188K | -2.75% |
| 2026-08-21 | 0.63 | 0.65 | 0.63 | 0.64 | 186K | +0.79% |
| 2026-08-20 | 0.66 | 0.66 | 0.63 | 0.64 | 123K | +0.16% |
| 2026-08-19 | 0.63 | 0.67 | 0.62 | 0.63 | 75K | +0.30% |
| 2026-08-18 | 0.64 | 0.67 | 0.63 | 0.63 | 134K | -2.74% |
| 2026-08-17 | 0.67 | 0.68 | 0.64 | 0.65 | 198K | -3.06% |
| 2026-08-14 | 0.66 | 0.68 | 0.66 | 0.67 | 147K | +0.06% |
| 2026-08-13 | 0.66 | 0.68 | 0.66 | 0.67 | 310K | +1.50% |
| 2026-08-12 | 0.70 | 0.71 | 0.65 | 0.66 | 444K | -19.32% |
| 2026-08-11 | 0.72 | 0.82 | 0.72 | 0.82 | 306K | +7.93% |
| 2026-08-10 | 0.75 | 0.76 | 0.71 | 0.76 | 195K | -0.09% |
| 2026-08-07 | 0.75 | 0.77 | 0.75 | 0.76 | 202K | -0.16% |
| 2026-08-06 | 0.76 | 0.79 | 0.75 | 0.76 | 94K | -1.17% |
| 2026-08-05 | 0.77 | 0.80 | 0.76 | 0.77 | 90K | -0.67% |
| 2026-08-04 | 0.76 | 0.78 | 0.76 | 0.77 | 202K | +0.55% |
| 2026-08-03 | 0.76 | 0.80 | 0.75 | 0.77 | 168K | 0.00% |
| 2026-07-31 | 0.78 | 0.79 | 0.75 | 0.77 | 253K | -2.53% |
| 2026-07-30 | 0.73 | 0.79 | 0.73 | 0.79 | 288K | +3.95% |
| 2026-07-29 | 0.78 | 0.78 | 0.73 | 0.76 | 161K | -2.19% |
| 2026-07-28 | 0.74 | 0.78 | 0.72 | 0.78 | 270K | +3.60% |
| 2026-07-27 | 0.75 | 0.77 | 0.74 | 0.75 | 369K | 0.00% |
| 2026-07-24 | 0.77 | 0.77 | 0.74 | 0.75 | 226K | 0.00% |
INTZ Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
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 -60.3% over the past year, below its 5-year annualized CAGR of -60.4%. 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 $2.27. Current 1-year return of -60.3% 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.