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Alsok CoTSE:2331 +0.73%94 Cyclically Adjusted PB Ratio is 1.91 as of Aug. 15, 2026, which is 12% below its 10-year median of 2.17. GuruFocus rates TSE:2331 with a GF Score™ of 94/100 and a GF Value™ of 円1,184.11 (Fairly Valued). The stock has 5 warning signs investors should review. Among 716 Business Services companies, Alsok Co ranks worse than 57.96% on this metric.
The historical rank and industry rank for Alsok Co's Cyclically Adjusted PB Ratio or its related term are showing as below:
TSE:2331'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.48 Med: 2.17 Max: 3.85
Current: 1.91
During the past years, Alsok Co's highest Cyclically Adjusted PB Ratio was 3.85. The lowest was 1.48. And the median was 2.17.
TSE:2331's Cyclically Adjusted PB Ratio is ranked worse than 57.96% of 716
companies
in the Business Services industry
Industry Median: 1.53
vs TSE:2331: 1.91
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.
Alsok Co's adjusted book value per share data for the three months ended in Jun. 2026 was 円793.448. 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610.31 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Alsok Co (TSE:2331) 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.
Alsok Co Cyclically Adjusted PB Ratio Related Terms
Alsok Co Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Alsok Co'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.
TSE:2331 vs ALLE, MSA, ADT: Cyclically Adjusted PB Ratio Comparison
For the Security & Protection Services subindustry, Alsok Co'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.
Alsok Co Cyclically Adjusted PB Ratio vs Business Services Industry
For the Business Services industry and Industrials sector, Alsok Co's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Alsok Co's Cyclically Adjusted PB Ratio falls into.
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.
Alsok Co's Cyclically Adjusted PB Ratio for today is calculated as
* 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.
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 1.91 mean?
Alsok Co (TSE:2331) has a Cyclically Adjusted PB Ratio of 1.91 as of Aug. 15, 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 Alsok Co and its competitors. This is 12% below median its historical median of 2.17. Over the past decade, Alsok Co's Cyclically Adjusted PB Ratio has ranged from 1.48 to 3.85. According to the industry distribution chart, Alsok Co ranks #415 out of 716 companies in the Business Services industry, placing it in the top 58%.
Is Alsok Co's Cyclically Adjusted PB Ratio too high?
Alsok Co's current Cyclically Adjusted PB Ratio of 1.91 is 12% below median its 10-year median of 2.17. Over the past 10 years, this metric has ranged from a low of 1.48 to a high of 3.85. The Business Services industry median Cyclically Adjusted PB Ratio is 1.53. Alsok Co's value of 1.91 is 24.8% above this industry median. Based on the distribution chart, Alsok Co ranks #415 out of 716 companies in the Business Services industry, which is below the industry midpoint. Overall, Alsok Co has a GF Score™ of 94/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Alsok Co's Cyclically Adjusted PB Ratio compare to ALLE and MSA?
According to the Business Services industry distribution chart, Alsok Co ranks #415 out of 716 companies for Cyclically Adjusted PB Ratio. This places Alsok Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.53. Alsok Co's value of 1.91 is 24.8% above this benchmark. Historically, Alsok Co's own Cyclically Adjusted PB Ratio has ranged from 1.48 to 3.85 over the past decade. While the company's 10-year median is 2.17 vs. the industry median of 1.53, Alsok Co 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 Business Services company?
The median Cyclically Adjusted PB Ratio among Business Services companies is 1.53, based on 716 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. Alsok Co's current Cyclically Adjusted PB Ratio of 1.91 is 24.8% 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 Alsok Co and its competitors. For the Business Services industry, the median Cyclically Adjusted PB Ratio is 1.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alsok Co's current Cyclically Adjusted PB Ratio is 1.91, which is 12% below median its own 10-year median of 2.17. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alsok Co stock overvalued right now?
Based on GuruFocus' analysis, Alsok Co (TSE:2331) is currently considered Fairly Valued. The stock's GF Value™ is 円1,184.11, compared to a current price of 円1,168.50 — trading 1.3% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.91, which is 12% below median its 10-year median of 2.17 and 24.8% above the Business Services industry median of 1.53. Alsok Co's overall GF Score™ is 94/100 with 5 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 Alsok Co (TSE:2331), the current Cyclically Adjusted PB Ratio is 1.91 as of Aug. 15, 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 Alsok Co (TSE:2331) Overvalued in 2026?
Based on GuruFocus' analysis, Alsok Co stock appears to be undervalued.
The current stock price of 円1,168.50 is trading 1.3% below its estimated GF Value™ of 円1,184.11.
GuruFocus considers Alsok Co to be Fairly Valued.
Key valuation signals for TSE:2331:
Cyclically Adjusted PB Ratio: 1.91 (12% below median its 10-year median of 2.17)
GF Value™: 円1,184.11 vs. price of 円1,168.50 (1.3% below fair value)
Industry Position: 24.8% above the Business Services median (#415 of 716)
No single metric tells the full story. See the TSE:2331 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Alsok Co Ltd is a Japanese security services provider. The services and products offered include home security systems, personal security for senior citizens, children and women, life support such as housework contracting, listening-device inspection and long-term care, online security systems for corporations, electronic security systems with monitoring capabilities, ATM management systems, damage insurance, and housing complexes security services.
94GF Score
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