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Keiyo Gas CoTSE:9539 +0.43%71 Cyclically Adjusted PB Ratio is 0.50 as of Aug. 12, 2026, which is 6% above its 10-year median of 0.47. GuruFocus rates TSE:9539 with a GF Score™ of 71/100 and a GF Value™ of 円889.43 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 433 Utilities - Regulated companies, Keiyo Gas Co ranks better than 84.76% on this metric.
The historical rank and industry rank for Keiyo Gas Co's Cyclically Adjusted PB Ratio or its related term are showing as below:
TSE:9539'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.32 Med: 0.47 Max: 0.65
Current: 0.49
During the past years, Keiyo Gas Co's highest Cyclically Adjusted PB Ratio was 0.65. The lowest was 0.32. And the median was 0.47.
TSE:9539's Cyclically Adjusted PB Ratio is ranked better than 84.76% of 433
companies
in the Utilities - Regulated industry
Industry Median: 1.51
vs TSE:9539: 0.49
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.
Keiyo Gas Co's adjusted book value per share data for the three months ended in Dec. 2025 was 円3,144.119. 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2,772.94 for the trailing ten years ended in Dec. 2025.
Shiller PE for Stocks: The True Measure of Stock Valuation
Keiyo Gas Co (TSE:9539) 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.
Keiyo Gas Co Cyclically Adjusted PB Ratio Related Terms
Keiyo Gas Co Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Keiyo Gas 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:9539 vs ATO, NI: Cyclically Adjusted PB Ratio Comparison
For the Utilities - Regulated Gas subindustry, Keiyo Gas 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.
Keiyo Gas Co Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Keiyo Gas Co's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Keiyo Gas Co's Cyclically Adjusted PB Ratio falls into.
Keiyo Gas Co 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.
Keiyo Gas 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 0.50 mean?
Keiyo Gas Co (TSE:9539) has a Cyclically Adjusted PB Ratio of 0.50 as of Aug. 12, 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 Keiyo Gas Co and its competitors. This is near median its historical median of 0.47. Over the past decade, Keiyo Gas Co's Cyclically Adjusted PB Ratio has ranged from 0.32 to 0.65. According to the industry distribution chart, Keiyo Gas Co ranks #66 out of 433 companies in the Utilities - Regulated industry, placing it in the top 15.2%.
Is Keiyo Gas Co's Cyclically Adjusted PB Ratio too high?
Keiyo Gas Co's current Cyclically Adjusted PB Ratio of 0.50 is near median its 10-year median of 0.47. Over the past 10 years, this metric has ranged from a low of 0.32 to a high of 0.65. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.51. Keiyo Gas Co's value of 0.50 is 66.9% below this industry median. Based on the distribution chart, Keiyo Gas Co ranks #66 out of 433 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, Keiyo Gas Co has a GF Score™ of 71/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Keiyo Gas Co's Cyclically Adjusted PB Ratio compare to ATO and NI?
According to the Utilities - Regulated industry distribution chart, Keiyo Gas Co ranks #66 out of 433 companies for Cyclically Adjusted PB Ratio. This places Keiyo Gas Co in the top 15% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.51. Keiyo Gas Co's value of 0.50 is 66.9% below this benchmark. Historically, Keiyo Gas Co's own Cyclically Adjusted PB Ratio has ranged from 0.32 to 0.65 over the past decade. While the company's 10-year median is 0.47 vs. the industry median of 1.51, Keiyo Gas Co 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 an Utilities - Regulated company?
The median Cyclically Adjusted PB Ratio among Utilities - Regulated companies is 1.51, based on 433 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. Keiyo Gas Co's current Cyclically Adjusted PB Ratio of 0.50 is 66.9% 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 Keiyo Gas Co and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PB Ratio is 1.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Keiyo Gas Co's current Cyclically Adjusted PB Ratio is 0.50, which is near median its own 10-year median of 0.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Keiyo Gas Co stock overvalued right now?
Based on GuruFocus' analysis, Keiyo Gas Co (TSE:9539) is currently considered Significantly Overvalued. The stock's GF Value™ is 円889.43, compared to a current price of 円1,391.00 — trading 56.4% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.50, which is near median its 10-year median of 0.47 and 66.9% below the Utilities - Regulated industry median of 1.51. Keiyo Gas Co's overall GF Score™ is 71/100 with 8 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 Keiyo Gas Co (TSE:9539), the current Cyclically Adjusted PB Ratio is 0.50 as of Aug. 12, 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 Keiyo Gas Co (TSE:9539) Overvalued in 2026?
Based on GuruFocus' analysis, Keiyo Gas Co stock appears to be overvalued.
The current stock price of 円1,391.00 is trading 56.4% above its estimated GF Value™ of 円889.43.
GuruFocus considers Keiyo Gas Co to be Significantly Overvalued.
Key valuation signals for TSE:9539:
Cyclically Adjusted PB Ratio: 0.50 (near median its 10-year median of 0.47)
GF Value™: 円889.43 vs. price of 円1,391.00 (56.4% above fair value)
Industry Position: 66.9% below the Utilities - Regulated median (#66 of 433)
No single metric tells the full story. See the TSE:9539 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Keiyo Gas Co Ltd is engaged in gas business. The company produces, process and sells gas byproducts. It is also engaged in production, sales, rental, installation, repair, maintenance and management of gas appliances, kitchen equipment, water supply, and drainage equipment, air conditioning equipment and housing equipment.
71GF Score
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