DDOSF (Corero Network Security) Cyclically Adjusted PB Ratio: 2.15 (As of Aug. 01, 2026) — 115% Above Median

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DDOSF Corero Network Security PLC DDOSF
49 GF Score
Price $0.13
GF Value $0.18
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Corero Network Security Cyclically Adjusted PB Ratio?

Corero Network Security DDOSF 49 Cyclically Adjusted PB Ratio is 2.15 as of Aug. 01, 2026, which is 115% above its 10-year median of 1.00. GuruFocus rates DDOSF with a GF Scoreâ„¢ of 49/100 and a GF Valueâ„¢ of $0.18 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 1,576 Software companies, Corero Network Security ranks better than 52.41% on this metric.

As of today (2026-08-01), Corero Network Security's current share price is $0.1288. Corero Network Security's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 was $0.06. Corero Network Security's Cyclically Adjusted PB Ratio for today is 2.15.

The historical rank and industry rank for Corero Network Security's Cyclically Adjusted PB Ratio or its related term are showing as below:

DDOSF' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.24   Med: 1   Max: 3.96
Current: 2.09

During the past 13 years, Corero Network Security's highest Cyclically Adjusted PB Ratio was 3.96. The lowest was 0.24. And the median was 1.00.

DDOSF's Cyclically Adjusted PB Ratio is ranked better than
52.41% of 1576 companies
in the Software industry
Industry Median: 2.235 vs DDOSF: 2.09

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Corero Network Security's adjusted book value per share data of for the fiscal year that ended in Dec25 was $0.036. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $0.06 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


Corero Network Security  (OTCPK:DDOSF) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Corero Network Security Cyclically Adjusted PB Ratio Related Terms


Corero Network Security Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Corero Network Security's Cyclically Adjusted PB Ratio 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.

Corero Network Security Cyclically Adjusted PB Ratio Chart

Corero Network Security Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.17 0.99 1.21 3.87 2.35

Corero Network Security Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Cyclically Adjusted PB Ratio 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 1.21 0.00 3.87 0.00 2.35

DDOSF vs MSFT, ORCL, PLTR: Cyclically Adjusted PB Ratio Comparison

For the Software - Infrastructure subindustry, Corero Network Security's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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.


Corero Network Security Cyclically Adjusted PB Ratio vs Software Industry

For the Software industry and Technology sector, Corero Network Security's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Corero Network Security's Cyclically Adjusted PB Ratio falls into.


DDOSF
49GF Score
Corero Network Security PLC DDOSF
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Corero Network Security Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Corero Network Security's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=0.1288/0.06
=2.15

* 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.

Corero Network Security's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 is calculated as:

For example, Corero Network Security's adjusted Book Value per Share data for the fiscal year that ended in Dec25 was:

Adj_Book=Book Value per Share/CPI of Dec25 (Change)*Current CPI (Dec25)
=0.036/139.9000*139.9000
=0.036

Current CPI (Dec25) = 139.9000.

Corero Network Security Annual Data

Book Value per Share CPI Adj_Book
201612 0.090 102.200 0.123
201712 0.056 105.000 0.075
201812 0.047 107.100 0.061
201912 0.035 108.500 0.045
202012 0.028 109.400 0.036
202112 0.032 114.700 0.039
202212 0.032 125.300 0.036
202312 0.033 130.500 0.035
202412 0.036 135.100 0.037
202512 0.036 139.900 0.036

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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.

What does a Cyclically Adjusted PB Ratio of 2.15 mean?
Corero Network Security (DDOSF) has a Cyclically Adjusted PB Ratio of 2.15 as of Aug. 01, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Corero Network Security and its competitors. This is 115% above median its historical median of 1.00. Over the past decade, Corero Network Security's Cyclically Adjusted PB Ratio has ranged from 0.24 to 3.96. According to the industry distribution chart, Corero Network Security ranks #750 out of 1576 companies in the Software industry, placing it in the top 47.6%.
Is Corero Network Security's Cyclically Adjusted PB Ratio too high?
Corero Network Security's current Cyclically Adjusted PB Ratio of 2.15 is 115% above median its 10-year median of 1.00. Over the past 10 years, this metric has ranged from a low of 0.24 to a high of 3.96. The Software industry median Cyclically Adjusted PB Ratio is 2.24. Corero Network Security's value of 2.15 is 3.8% below this industry median. Based on the distribution chart, Corero Network Security ranks #750 out of 1576 companies in the Software industry, which is above the industry midpoint. Overall, Corero Network Security has a GF Scoreâ„¢ of 49/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Corero Network Security's Cyclically Adjusted PB Ratio compare to MSFT and ORCL?
According to the Software industry distribution chart, Corero Network Security ranks #750 out of 1576 companies for Cyclically Adjusted PB Ratio. This puts Corero Network Security in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.24. Corero Network Security's value of 2.15 is 3.8% below this benchmark. Historically, Corero Network Security's own Cyclically Adjusted PB Ratio has ranged from 0.24 to 3.96 over the past decade. While the company's 10-year median is 1.00 vs. the industry median of 2.24, Corero Network Security has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Software company?
The median Cyclically Adjusted PB Ratio among Software companies is 2.24, based on 1,576 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Corero Network Security's current Cyclically Adjusted PB Ratio of 2.15 is 3.8% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Corero Network Security and its competitors. For the Software industry, the median Cyclically Adjusted PB Ratio is 2.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Corero Network Security's current Cyclically Adjusted PB Ratio is 2.15, which is 115% above median its own 10-year median of 1.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Corero Network Security stock overvalued right now?
Based on GuruFocus' analysis, Corero Network Security (DDOSF) is currently considered Modestly Undervalued. The stock's GF Value™ is $0.18, compared to a current price of $0.13 — trading 28.4% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.15, which is 115% above median its 10-year median of 1.00 and 3.8% below the Software industry median of 2.24. Corero Network Security's overall GF Score™ is 49/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Corero Network Security (DDOSF), the current Cyclically Adjusted PB Ratio is 2.15 as of Aug. 01, 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 Corero Network Security (DDOSF) Overvalued in 2026?

Based on GuruFocus' analysis, Corero Network Security stock appears to be undervalued. The current stock price of $0.13 is trading 28.4% below its estimated GF Value™ of $0.18. GuruFocus considers Corero Network Security to be Modestly Undervalued.

Key valuation signals for DDOSF:

  • Cyclically Adjusted PB Ratio: 2.15 (115% above median its 10-year median of 1.00)
  • GF Value™: $0.18 vs. price of $0.13 (28.4% below fair value)
  • GF Score™: 49/100 with 4 warning signs
  • Industry Position: 3.8% below the Software median (#750 of 1576)

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


Corero Network Security Business Description

Other Exchanges CNS:UK
Address 29 Finsbury Circus, Salisbury House, London, GBR, EC2M 5QQ
Corero Network Security PLC is a network security solutions provider. The company offers Distributed Denial of Service (DDoS) defense solutions for service providers, hosting providers and data centers, managed security service providers, and online enterprises. The company's key products are SmartWall Network Threat Defense System, Datapath protection, SecureWatch Analytics, Scrubbing protection, Edge mitigation, and Cloud mitigation. Geographically, it derives a majority of its revenue from the USA.
49GF Score

Get the complete analysis for DDOSF

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

$0.13
Price
$0.18
GF Value