BroadBand Security (TSE:4398) Cyclically Adjusted PB Ratio: 4.71 (As of Aug. 11, 2026) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TSE:4398 BroadBand Security Inc TSE:4398
84 GF Score
Price 円1,260.00
GF Value 円1,520.13
Valuation Modestly Undervalued
! 2 Warning Signs
View Full Analysis

What is BroadBand Security Cyclically Adjusted PB Ratio?

BroadBand Security TSE:4398 +0.88% 84 Cyclically Adjusted PB Ratio is 4.71 as of Aug. 11, 2026, which is 1% below its 10-year median of 4.76. GuruFocus rates TSE:4398 with a GF Score™ of 84/100 and a GF Value™ of 円1,520.13 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 1,558 Software companies, BroadBand Security ranks worse than 73.17% on this metric.

As of today (2026-08-11), BroadBand Security's current share price is 円1260.00. BroadBand Security's Cyclically Adjusted Book per Share for the fiscal year that ended in Jun25 was 円267.66. BroadBand Security's Cyclically Adjusted PB Ratio for today is 4.71.

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

TSE:4398' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 4.52   Med: 4.76   Max: 5.84
Current: 4.67

During the past 10 years, BroadBand Security's highest Cyclically Adjusted PB Ratio was 5.84. The lowest was 4.52. And the median was 4.76.

TSE:4398's Cyclically Adjusted PB Ratio is ranked worse than
73.17% of 1558 companies
in the Software industry
Industry Median: 2.31 vs TSE:4398: 4.67

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.

BroadBand Security's adjusted book value per share data of for the fiscal year that ended in Jun25 was 円481.344. 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 円267.66 for the trailing ten years ended in Jun25.

Shiller PE for Stocks: The True Measure of Stock Valuation


BroadBand Security  (TSE:4398) 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.


BroadBand Security Cyclically Adjusted PB Ratio Related Terms


BroadBand Security Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for BroadBand 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.

BroadBand Security Cyclically Adjusted PB Ratio Chart

BroadBand Security Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 4.94

BroadBand Security Semi-Annual Data
Jun16 Jun17 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 0.00 0.00 0.00 4.94 0.00

TSE:4398 vs IBM, ACN, FISV: Cyclically Adjusted PB Ratio Comparison

For the Information Technology Services subindustry, BroadBand 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.


BroadBand Security Cyclically Adjusted PB Ratio vs Software Industry

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

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


TSE:4398
84GF Score
BroadBand Security Inc TSE:4398
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

BroadBand 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=1260.00/267.66
=4.71

* 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.

BroadBand Security's Cyclically Adjusted Book per Share for the fiscal year that ended in Jun25 is calculated as:

For example, BroadBand Security's adjusted Book Value per Share data for the fiscal year that ended in Jun25 was:

Adj_Book=Book Value per Share/CPI of Jun25 (Change)*Current CPI (Jun25)
=481.344/111.7000*111.7000
=481.344

Current CPI (Jun25) = 111.7000.

BroadBand Security Annual Data

Book Value per Share CPI Adj_Book
201606 21.807 98.100 24.830
201706 64.031 98.500 72.612
201806 113.913 99.200 128.267
201906 205.673 99.800 230.197
202006 237.214 99.900 265.233
202106 256.187 99.500 287.599
202206 282.580 101.800 310.061
202306 370.438 105.200 393.326
202406 467.976 108.200 483.114
202506 481.344 111.700 481.344

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 4.71 mean?
BroadBand Security (TSE:4398) has a Cyclically Adjusted PB Ratio of 4.71 as of Aug. 11, 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 BroadBand Security and its competitors. This is near median its historical median of 4.76. Over the past decade, BroadBand Security's Cyclically Adjusted PB Ratio has ranged from 4.52 to 5.84. According to the industry distribution chart, BroadBand Security ranks #1140 out of 1558 companies in the Software industry, placing it in the top 73.2%.
Is BroadBand Security's Cyclically Adjusted PB Ratio too high?
BroadBand Security's current Cyclically Adjusted PB Ratio of 4.71 is near median its 10-year median of 4.76. Over the past 10 years, this metric has ranged from a low of 4.52 to a high of 5.84. The Software industry median Cyclically Adjusted PB Ratio is 2.31. BroadBand Security's value of 4.71 is 103.9% above this industry median. Based on the distribution chart, BroadBand Security ranks #1140 out of 1558 companies in the Software industry, which is below the industry midpoint. Overall, BroadBand Security has a GF Score™ of 84/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does BroadBand Security's Cyclically Adjusted PB Ratio compare to IBM and ACN?
According to the Software industry distribution chart, BroadBand Security ranks #1140 out of 1558 companies for Cyclically Adjusted PB Ratio. This places BroadBand Security in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.31. BroadBand Security's value of 4.71 is 103.9% above this benchmark. Historically, BroadBand Security's own Cyclically Adjusted PB Ratio has ranged from 4.52 to 5.84 over the past decade. While the company's 10-year median is 4.76 vs. the industry median of 2.31, BroadBand Security has consistently been above 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 2.31, based on 1,558 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. BroadBand Security's current Cyclically Adjusted PB Ratio of 4.71 is 103.9% above 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 BroadBand Security and its competitors. For the Software industry, the median Cyclically Adjusted PB Ratio is 2.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BroadBand Security's current Cyclically Adjusted PB Ratio is 4.71, which is near median its own 10-year median of 4.76. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BroadBand Security stock overvalued right now?
Based on GuruFocus' analysis, BroadBand Security (TSE:4398) is currently considered Modestly Undervalued. The stock's GF Value™ is 円1,520.13, compared to a current price of 円1,260.00 — trading 17.1% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 4.71, which is near median its 10-year median of 4.76 and 103.9% above the Software industry median of 2.31. BroadBand Security's overall GF Score™ is 84/100 with 2 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 BroadBand Security (TSE:4398), the current Cyclically Adjusted PB Ratio is 4.71 as of Aug. 11, 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 BroadBand Security (TSE:4398) Overvalued in 2026?

Based on GuruFocus' analysis, BroadBand Security stock appears to be undervalued. The current stock price of 円1,260.00 is trading 17.1% below its estimated GF Value™ of 円1,520.13. GuruFocus considers BroadBand Security to be Modestly Undervalued.

Key valuation signals for TSE:4398:

  • Cyclically Adjusted PB Ratio: 4.71 (near median its 10-year median of 4.76)
  • GF Value™: 円1,520.13 vs. price of 円1,260.00 (17.1% below fair value)
  • GF Score™: 84/100 with 2 warning signs
  • Industry Position: 103.9% above the Software median (#1140 of 1558)

No single metric tells the full story. See the TSE:4398 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


BroadBand Security Business Description

Address 8-5-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, JPN, 160-0023
BroadBand Security Inc provides information technology services. The company's services include security consulting, security audit, education/information services, security certificate acquisition, vulnerability diagnosis, managed security service, and secure mail.
84GF Score

Get the complete analysis for TSE:4398

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

円1,260.00
Price
円1,520.13
GF Value