INTZ (Intrusion) E10: $-6.21 (As of Mar. 2026)


INTZ Intrusion Inc INTZ
35 GF Score
Price $0.68
GF Value $0.44
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is Intrusion E10?

Intrusion INTZ -4.08% 35 E10 is $-6.21 as of Mar. 2026. GuruFocus rates INTZ with a GF Score™ of 35/100 and a GF Value™ of $0.44 (Significantly Overvalued). The stock has 3 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Intrusion's adjusted earnings per share data for the three months ended in Mar. 2026 was $-0.180. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is $-6.21 for the trailing ten years ended in Mar. 2026.

During the past 3 years, the average E10 Growth Rate was -11.00% per year. During the past 5 years, the average E10 Growth Rate was -43.80% per year. During the past 10 years, the average E10 Growth Rate was -23.40% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the E10 growth rate using E10 data.

During the past 13 years, the highest 3-Year average E10 Growth Rate of Intrusion was 77.60% per year. The lowest was -510.00% per year. And the median was 5.95% per year.

As of today (2026-06-24), Intrusion's current stock price is $0.681. Intrusion's E10 for the quarter that ended in Mar. 2026 was $-6.21. Intrusion's Shiller PE Ratio of today is .

During the past 13 years, the highest Shiller PE Ratio of Intrusion was 10800.00. The lowest was 8820.00. And the median was 10400.00.


Intrusion  (NAS:INTZ) E10 Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

For the Shiller P/E, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller P/E is also called PE10.

The Shiller P/E was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

During the past 13 years, the highest Shiller P/E Ratio of Intrusion was 10800.00. The lowest was 8820.00. And the median was 10400.00.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


Intrusion E10 Related Terms


Intrusion E10 Historical Data

* Premium members only.

The historical data trend for Intrusion's E10 can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Intrusion E10 Chart

Intrusion Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only -2.80 -4.54 -5.98 -6.30 -6.21

Intrusion Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
E10 Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -6.32 -6.37 -6.32 -6.21 -6.21

INTZ vs CLOQ, GGRP, SKKY: E10 Comparison

For the Software - Infrastructure subindustry, Intrusion's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Intrusion Shiller PE Ratio vs Software Industry

For the Software industry and Technology sector, Intrusion's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Intrusion's Shiller PE Ratio falls into.


INTZ
35GF Score
Intrusion Inc INTZ
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Intrusion E10 Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today's price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

We adjusted the earnings of 2001 earnings data with the total inflation from 2001 through 2010 to the equivalent earnings in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart earned $1 a share in 2001, then the 2001's equivalent earnings in 2010 is $1.4 a share. If Wal-Mart earns $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 earnings in 2010 is $1.35. So on and so forth, you get the equivalent earnings of past 10 years. Then you add them together and divided the sum by 10 to get E10.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

For example, Intrusion's adjusted earnings per share data for the three months ended in Mar. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=-0.18/330.2130*330.2130
=-0.180

Current CPI (Mar. 2026) = 330.2130.

Intrusion Quarterly Data

per share eps CPI Adj_EPS
201606 -0.600 241.018 -0.822
201609 -0.400 241.428 -0.547
201612 -0.600 241.432 -0.821
201703 -0.600 243.801 -0.813
201706 -0.800 244.955 -1.078
201709 0.800 246.819 1.070
201712 0.200 246.524 0.268
201803 0.400 249.554 0.529
201806 0.600 251.989 0.786
201809 0.800 252.439 1.046
201812 1.000 251.233 1.314
201903 1.200 254.202 1.559
201906 2.200 256.143 2.836
201909 1.800 256.759 2.315
201912 0.400 256.974 0.514
202003 -0.800 258.115 -1.023
202006 -1.000 257.797 -1.281
202009 -2.000 260.280 -2.537
202012 -4.600 260.474 -5.832
202103 -4.400 264.877 -5.485
202106 -5.600 271.696 -6.806
202109 -6.800 274.310 -8.186
202112 -4.000 278.802 -4.738
202203 -4.200 287.504 -4.824
202206 -4.200 296.311 -4.681
202209 -3.000 296.808 -3.338
202212 -5.000 296.797 -5.563
202303 -4.490 301.836 -4.912
202306 -2.920 305.109 -3.160
202309 -2.780 307.789 -2.983
202312 -1.800 306.746 -1.938
202403 -0.940 312.332 -0.994
202406 -0.530 314.175 -0.557
202409 -0.350 315.301 -0.367
202412 -0.360 315.605 -0.377
202503 -0.110 319.799 -0.114
202506 -0.100 322.561 -0.102
202509 -0.100 324.800 -0.102
202512 -0.140 324.054 -0.143
202603 -0.180 330.213 -0.180

Add all the adjusted EPS together and divide 10 will get our e10.

Frequently Asked Questions Learn more about E10 →
What does a E10 of $-6.21 mean?
Intrusion (INTZ) has a E10 of $-6.21 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Intrusion and its competitors.
Is Intrusion's E10 too high?
Intrusion's current E10 is $-6.21. Overall, Intrusion has a GF Score™ of 35/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Intrusion's E10 compare to CLOQ and GGRP?
Intrusion's E10 of $-6.21 can be compared against companies in the Software industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good E10 for a Software company?
A good E10 depends on the Software industry context. However, E10 should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high E10 mean?
A high E10 can signal that a stock is expensive relative to its fundamentals. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Intrusion and its competitors. Intrusion's current E10 is $-6.21. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Intrusion stock overvalued right now?
Based on GuruFocus' analysis, Intrusion (INTZ) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.44, compared to a current price of $0.68 — trading 54.8% above its estimated fair value. The current E10 is $-6.21. Intrusion's overall GF Score™ is 35/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is E10 calculated?
E10 is calculated from a company's financial statements. For Intrusion (INTZ), the current E10 is $-6.21 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Intrusion (INTZ) Overvalued in 2026?

Based on GuruFocus' analysis, Intrusion stock appears to be overvalued. The current stock price of $0.68 is trading 54.8% above its estimated GF Value™ of $0.44. GuruFocus considers Intrusion to be Significantly Overvalued.

Key valuation signals for INTZ:

  • E10: $-6.21
  • GF Value™: $0.44 vs. price of $0.68 (54.8% above fair value)
  • GF Score™: 35/100 with 3 warning signs

No single metric tells the full story. See the INTZ stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Intrusion Business Description

Address 101 East Park Boulevard, Suite 1200, Plano, TX, USA, 75074
Intrusion Inc is a cybersecurity company based in Plano, Texas. The company offers its customers access to its exclusive threat intelligence database containing the historical data, known associations, and reputational behavior of Internet Protocol addresses. Its platform combines threat intelligence, malicious traffic identification, and automated threat response, and is designed to help organizations proactively identify and stop malicious activity in their networks. Its solutions include INTRUSION Shield, INTRUSION TraceCop, and INTRUSION Savant. The company operates in single segment.
35GF Score

Get the complete analysis for INTZ

E10 is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$0.68
Price
$0.44
GF Value