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Osaka Gas CoOSGSY +3.42%77 Shiller PE Ratio is 26.39 as of Sep. 11, 2026, which is 65% above its 10-year median of 15.97. GuruFocus rates OSGSY with a GF Score™ of 77/100 and a GF Value™ of $48.32 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 397 Utilities - Regulated companies, Osaka Gas Co ranks worse than 77.83% on this metric.
As of today (2026-09-11), Osaka Gas Co's current share price is $81.54. Osaka Gas Co's E10 for the quarter that ended in Mar. 2026 was $3.09. Osaka Gas Co's Shiller PE Ratio for today is 26.39.
The historical rank and industry rank for Osaka Gas Co's Shiller PE Ratio or its related term are showing as below:
OSGSY'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 12.32 Med: 15.97 Max: 31.06
Current: 27
During the past years, Osaka Gas Co's highest Shiller PE Ratio was 31.06. The lowest was 12.32. And the median was 15.97.
OSGSY's Shiller PE Ratio is ranked worse than 77.83% of 397
companies
in the Utilities - Regulated industry
Industry Median: 16.82
vs OSGSY: 27.00
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Osaka Gas Co's adjusted earnings per share data for the three months ended in Mar. 2026 was $2.101. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $3.09 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Osaka Gas Co (OTCPK:OSGSY) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
Osaka Gas Co Shiller PE Ratio Related Terms
Osaka Gas Co Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Osaka Gas Co's Shiller PE 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.
For the Utilities - Regulated Gas subindustry, Osaka Gas Co'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.
Osaka Gas Co Shiller PE Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Osaka Gas Co's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Osaka Gas Co's Shiller PE Ratio falls into.
For Shiller PE Ratio, 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 PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
Osaka Gas Co's Shiller PE 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.
Osaka Gas Co's E10 for the quarter that ended in Mar. 2026 is calculated as:
For example, Osaka Gas Co's adjusted earnings per share data for the three months ended in Mar. 2026 was:
Add all the adjusted EPS together and divide 10 will get our 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.
Osaka Gas Co (OSGSY) has a Shiller PE Ratio of 26.39 as of Sep. 11, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Osaka Gas Co and its competitors. This is 65% above median its historical median of 15.97. Over the past decade, Osaka Gas Co's Shiller PE Ratio has ranged from 12.32 to 31.06. According to the industry distribution chart, Osaka Gas Co ranks #309 out of 397 companies in the Utilities - Regulated industry, placing it in the top 77.8%.
Is Osaka Gas Co's Shiller PE Ratio too high?
Osaka Gas Co's current Shiller PE Ratio of 26.39 is 65% above median its 10-year median of 15.97. Over the past 10 years, this metric has ranged from a low of 12.32 to a high of 31.06. The Utilities - Regulated industry median Shiller PE Ratio is 16.82. Osaka Gas Co's value of 26.39 is 56.9% above this industry median. Based on the distribution chart, Osaka Gas Co ranks #309 out of 397 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Osaka Gas Co has a GF Score™ of 77/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Osaka Gas Co's Shiller PE Ratio compare to ATO and NI?
According to the Utilities - Regulated industry distribution chart, Osaka Gas Co ranks #309 out of 397 companies for Shiller PE Ratio. This places Osaka Gas Co in the lower half of its industry. The industry median Shiller PE Ratio is 16.82. Osaka Gas Co's value of 26.39 is 56.9% above this benchmark. Historically, Osaka Gas Co's own Shiller PE Ratio has ranged from 12.32 to 31.06 over the past decade. While the company's 10-year median is 15.97 vs. the industry median of 16.82, Osaka Gas 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 Shiller PE Ratio for an Utilities - Regulated company?
The median Shiller PE Ratio among Utilities - Regulated companies is 16.82, based on 397 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Osaka Gas Co's current Shiller PE Ratio of 26.39 is 56.9% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Osaka Gas Co and its competitors. For the Utilities - Regulated industry, the median Shiller PE Ratio is 16.82 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Osaka Gas Co's current Shiller PE Ratio is 26.39, which is 65% above median its own 10-year median of 15.97. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Osaka Gas Co stock overvalued right now?
Based on GuruFocus' analysis, Osaka Gas Co (OSGSY) is currently considered Significantly Overvalued. The stock's GF Value™ is $48.32, compared to a current price of $81.54 — trading 68.8% above its estimated fair value. The current Shiller PE Ratio is 26.39, which is 65% above median its 10-year median of 15.97 and 56.9% above the Utilities - Regulated industry median of 16.82. Osaka Gas Co's overall GF Score™ is 77/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Osaka Gas Co (OSGSY), the current Shiller PE Ratio is 26.39 as of Sep. 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 Osaka Gas Co (OSGSY) Overvalued in 2026?
Based on GuruFocus' analysis, Osaka Gas Co stock appears to be overvalued.
The current stock price of $81.54 is trading 68.8% above its estimated GF Value™ of $48.32.
GuruFocus considers Osaka Gas Co to be Significantly Overvalued.
Key valuation signals for OSGSY:
Shiller PE Ratio: 26.39 (65% above median its 10-year median of 15.97)
GF Value™: $48.32 vs. price of $81.54 (68.8% above fair value)
Industry Position: 56.9% above the Utilities - Regulated median (#309 of 397)
No single metric tells the full story. See the OSGSY stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Osaka Gas Co Ltd is a Japanese utility company involved in the production and supply of natural gas and electricity. The company operates through three segments. The Domestic Energy segment covers city gas production and supply, gas appliances, piping work, LNG and LPG sales, industrial gases, power generation, and electricity sales. The Life & Business Solutions segment engages in real estate development and leasing, information processing, and the sale of fine and carbon materials. The Overseas Energy segment focuses on natural gas and other energy development, investment, and supply. It generates the majority of its revenue from the Domestic energy segment.
77GF Score
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