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CIA de Gas deo Paulo - COMGASBSP:CGAS3 54 Shiller PE Ratio is 9.18 as of Sep. 22, 2026, which is 23% below its 10-year median of 11.97. GuruFocus rates BSP:CGAS3 with a GF Score™ of 54/100 and a GF Value™ of R$81.73 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 399 Utilities - Regulated companies, CIA de Gas deo Paulo - COMGAS ranks better than 79.7% on this metric.
The historical rank and industry rank for CIA de Gas deo Paulo - COMGAS's Shiller PE Ratio or its related term are showing as below:
BSP:CGAS3'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 8.48 Med: 11.97 Max: 32.32
Current: 9.64
During the past years, CIA de Gas deo Paulo - COMGAS's highest Shiller PE Ratio was 32.32. The lowest was 8.48. And the median was 11.97.
BSP:CGAS3's Shiller PE Ratio is ranked better than 79.7% of 399
companies
in the Utilities - Regulated industry
Industry Median: 16.87
vs BSP:CGAS3: 9.64
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.
CIA de Gas deo Paulo - COMGAS's adjusted earnings per share data for the three months ended in Jun. 2026 was R$2.894. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is R$13.58 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
CIA de Gas deo Paulo - COMGAS (BSP:CGAS3) 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.
CIA de Gas deo Paulo - COMGAS Shiller PE Ratio Related Terms
CIA de Gas deo Paulo - COMGAS Shiller PE Ratio Historical Data
* 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.
CIA de Gas deo Paulo - COMGAS Shiller PE Ratio Chart
BSP:CGAS3 vs ATO, NI, UGI: Shiller PE Ratio Comparison
For the Utilities - Regulated Gas subindustry, CIA de Gas deo Paulo - COMGAS'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.
CIA de Gas deo Paulo - COMGAS Shiller PE Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, CIA de Gas deo Paulo - COMGAS's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where CIA de Gas deo Paulo - COMGAS's Shiller PE Ratio falls into.
CIA de Gas deo Paulo - COMGAS Shiller PE Ratio Calculation
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.
* 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.
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.
CIA de Gas deo Paulo - COMGAS (BSP:CGAS3) has a Shiller PE Ratio of 9.18 as of Sep. 22, 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 CIA de Gas deo Paulo - COMGAS and its competitors. This is 23% below median its historical median of 11.97. Over the past decade, CIA de Gas deo Paulo - COMGAS's Shiller PE Ratio has ranged from 8.48 to 32.32. According to the industry distribution chart, CIA de Gas deo Paulo - COMGAS ranks #81 out of 399 companies in the Utilities - Regulated industry, placing it in the top 20.3%.
Is CIA de Gas deo Paulo - COMGAS's Shiller PE Ratio too high?
CIA de Gas deo Paulo - COMGAS's current Shiller PE Ratio of 9.18 is 23% below median its 10-year median of 11.97. Over the past 10 years, this metric has ranged from a low of 8.48 to a high of 32.32. The Utilities - Regulated industry median Shiller PE Ratio is 16.87. CIA de Gas deo Paulo - COMGAS's value of 9.18 is 45.6% below this industry median. Based on the distribution chart, CIA de Gas deo Paulo - COMGAS ranks #81 out of 399 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, CIA de Gas deo Paulo - COMGAS has a GF Score™ of 54/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does CIA de Gas deo Paulo - COMGAS's Shiller PE Ratio compare to ATO and NI?
According to the Utilities - Regulated industry distribution chart, CIA de Gas deo Paulo - COMGAS ranks #81 out of 399 companies for Shiller PE Ratio. This places CIA de Gas deo Paulo - COMGAS in the top 20% of its industry — outperforming the majority of peers. The industry median Shiller PE Ratio is 16.87. CIA de Gas deo Paulo - COMGAS's value of 9.18 is 45.6% below this benchmark. Historically, CIA de Gas deo Paulo - COMGAS's own Shiller PE Ratio has ranged from 8.48 to 32.32 over the past decade. While the company's 10-year median is 11.97 vs. the industry median of 16.87, CIA de Gas deo Paulo - COMGAS 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 Shiller PE Ratio for an Utilities - Regulated company?
The median Shiller PE Ratio among Utilities - Regulated companies is 16.87, based on 399 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. CIA de Gas deo Paulo - COMGAS's current Shiller PE Ratio of 9.18 is 45.6% 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 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 CIA de Gas deo Paulo - COMGAS and its competitors. For the Utilities - Regulated industry, the median Shiller PE Ratio is 16.87 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. CIA de Gas deo Paulo - COMGAS's current Shiller PE Ratio is 9.18, which is 23% below median its own 10-year median of 11.97. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CIA de Gas deo Paulo - COMGAS stock overvalued right now?
Based on GuruFocus' analysis, CIA de Gas deo Paulo - COMGAS (BSP:CGAS3) is currently considered Significantly Overvalued. The stock's GF Value™ is R$81.73, compared to a current price of R$124.60 — trading 52.5% above its estimated fair value. The current Shiller PE Ratio is 9.18, which is 23% below median its 10-year median of 11.97 and 45.6% below the Utilities - Regulated industry median of 16.87. CIA de Gas deo Paulo - COMGAS's overall GF Score™ is 54/100 with 7 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 CIA de Gas deo Paulo - COMGAS (BSP:CGAS3), the current Shiller PE Ratio is 9.18 as of Sep. 22, 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 CIA de Gas deo Paulo - COMGAS (BSP:CGAS3) Overvalued in 2026?
Based on GuruFocus' analysis, CIA de Gas deo Paulo - COMGAS stock appears to be overvalued.
The current stock price of R$124.60 is trading 52.5% above its estimated GF Value™ of R$81.73.
GuruFocus considers CIA de Gas deo Paulo - COMGAS to be Significantly Overvalued.
Key valuation signals for BSP:CGAS3:
Shiller PE Ratio: 9.18 (23% below median its 10-year median of 11.97)
GF Value™: R$81.73 vs. price of R$124.60 (52.5% above fair value)
Industry Position: 45.6% below the Utilities - Regulated median (#81 of 399)
No single metric tells the full story. See the BSP:CGAS3 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Companhia de Gás de São Paulo - COMGÁS is a Brazilian natural gas distribution utility operating under a concession covering part of the State of São Paulo, including the metropolitan region of the capital and portions of the interior and coastal areas. The company distributes piped natural gas to industrial, residential, commercial, automotive (compressed and liquefied natural gas for vehicles), and thermal generation and cogeneration customers. It also supplies natural gas for air conditioning and other applications. Revenue comes primarily from regulated distribution tariffs charged per volume of gas delivered, with additional income from connection fees and services. COMGÁS purchases gas under supply contracts, notably from Bolivia and domestic sources, and operates an extensive pipeline network. The company is controlled by Companhia Energética de São Paulo (CESP) and other shareholders, and its shares trade on B3 under the ticker CGAS3.
54GF Score
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