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NASDAQ · Software - Infrastructure · USD

Intrusion Inc. (INTZ) Stock Analysis

Intrusion Inc. (INTZ) is a Software - Infrastructure stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

INTZ

$0.56

−$0.05 (−8.20%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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INTZ Key Statistics

As of Oct 21, 2026
Trading
Open
$0.61
Previous Close
$0.61
Day's Range
0.50–0.63
52-Week Range
0.50–2.00
Volume
103.46K
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
−1.62
Valuation
Market Cap
$13.73M
P/E Ratio
unprofitable
P/S ratioMarket value divided by annual revenue. Useful for companies that are not yet profitable, where a P/E cannot be calculated.
2.37
EPS (ttm)Profit attributable to each share over the last twelve months.
−0.54
Financials (FY)
Revenue (FY)
$7.10M+22.94%
Net Income (FY)
−$9.06M
Profit marginThe share of revenue left as profit after all costs and taxes.
−191.29%
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
24.51M
1-Year Return
−70.98%
Dividend and dates
Earnings Date
November 10, 2026estimated
Avg Volume
178.91K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, INTZ closed at $0.56, −70.98% over 1 year.

Intrusion Inc. (INTZ) has a market capitalization of $13.73M.

In fiscal 2025, INTZ reported revenue of $7.10M.

INTZ Stock Return by Calendar Year

Intrusion Inc. (INTZ) 10-year return: what $10,000 became

1 year
$10,000 $2,902
−70.98%
5 years
$10,000 $77
−99.23%
10 years
$10,000 $560
−94.40%

If you had invested $10,000 in Intrusion Inc. (INTZ) 10 years ago, at the close on October 21, 2016, it would have been worth $560 at the close on October 21, 2026: −94.40% in total, −25.04% a year. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−51.30%
2025−62.66%
2024−38.40%
2023−92.09%
2022−8.14%
2021−80.48%
2020+220.36%
2019+44.36%
2018+204.80%
2017+190.70%
2016 (partial year)+53.57%

As of October 21, 2026.

INTZ Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$7.10M−$9.06M−127.7%
2024$5.77M−$7.79M−135.0%
2023$5.61M−$13.89M−247.6%
2022$7.53M−$16.23M−215.6%
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$7.10M$5.38M−$9.16M−$9.06M−127.7%
2024$5.77M$4.43M−$8.45M−$7.79M−135.0%
2023$5.61M$4.35M−$12.05M−$13.89M−247.6%
2022$7.53M$4.18M−$16.28M−$16.23M−215.6%

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

INTZ Valuation vs Software - Infrastructure Median

Median of 182 stocks
MetricINTZSoftware - Infrastructure medianvs median
P/S ratio2.373.2727% below
Profit margin−191.29%2.53%193.8 pts below

Medians across 182 Software - Infrastructure stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Recent News

All 10 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

Intrusion Inc. (INTZ) carries a market capitalisation of $13.73M. It is classified in the Software - Infrastructure industry, within the Technology sector. Headcount on file is 52.

INTZ last closed at $0.56 on October 21, 2026. That is −$0.05 (−8.20%) against the previous close. The 52-week range on file runs from $0.50 to $2.00. The latest close sits 11.95% above that 52-week low.

Financial Health

The most recent full year on file, fiscal 2025, shows revenue of $7.10M. That is +22.94% against the prior fiscal year, when revenue was $5.77M. The same year closed with a net loss of $9.06M. Profit margin runs at −191.29%. That is 193.8 percentage points below the Software - Infrastructure median of 2.53%. Trailing earnings per share are −0.54.

Across the 4 fiscal years on file, revenue moves from $7.53M in 2022 to $7.10M in 2025. Of those 4 years, 0 report positive net income.

Valuation Assessment

No trailing P/E applies: the last reported earnings figure is negative. Measured against sales, the shares trade at 2.37 times revenue. On price-to-sales that is 27.41% below the Software - Infrastructure median of 3.27. 182 Software - Infrastructure companies report these metrics, and the medians quoted come from that group.

Over the trailing twelve months the total return is −70.98%. Across 10 years the annualized return works out at −25.04%. Beta against the wider market is reported at −1.62. Daily returns over the trailing 10 years annualize to a volatility of 176.07%.

Growth & Income

The record shows no dividend for INTZ.

The strongest complete calendar year on file is 2020 at +220.36%; the weakest is 2023 at −92.09%. Of the 9 complete calendar years on file, 4 finished higher. 2026 is still running; the total return is −51.30% year to date.

Peer Comparison

Intrusion Inc. (INTZ) operates in the Software - Infrastructure industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Intrusion Inc. INTZ $13.73M —
Microsoft Corporation MSFT $3.96T 29.7
Palantir Technologies Inc. PLTR $484.74B 173.9
Oracle Corporation ORCL $391.46B 20.2

The Software - Infrastructure industry average P/E ratio is 30.2x. Intrusion Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Intrusion Inc.

Intrusion Inc. operates as a cybersecurity company in the United States. The company provides its customers access to threat intelligence database, which contains the historical data, known associations, and reputational behavior of Internet Protocol (IP) addresses. It offers INTRUSION Shield, a zero trust reputation-based Software as a Service solution that inspects and kills dangerous network connections; INTRUSION TraceCop, a big data tool that contains an inventory of network selectors and enrichments to support forensic investigations; and INTRUSION Savant, a network monitoring solution that uses the data available in TraceCop to identify suspicious traffic in real-time. In addition, the company engages in the provision of pre-and post-sales support services, such as network security design, system installation, and technical consulting services. It serves U.S. federal government entities, state and local government entities, and companies ranging from mid-market to large enterprises through a direct sales force and value-added resellers. The company was formerly known as Intrusion.com, Inc. and changed its name to Intrusion Inc. in November 2001. Intrusion Inc. was founded in 1983 and is headquartered in Plano, Texas.

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