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Gas Plus SpAMIL:GSP -0.16%64 Shiller PE Ratio is 61.60 as of Sep. 10, 2026, which is 98% above its 10-year median of 31.17. GuruFocus rates MIL:GSP with a GF Score™ of 64/100 and a GF Value™ of €3.33 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 436 Oil & Gas companies, Gas Plus SpA ranks worse than 90.83% on this metric.
As of today (2026-09-10), Gas Plus SpA's current share price is €6.16. Gas Plus SpA's E10 for the fiscal year that ended in Dec25 was €0.10. Gas Plus SpA's Shiller PE Ratio for today is 61.60.
The historical rank and industry rank for Gas Plus SpA's Shiller PE Ratio or its related term are showing as below:
MIL:GSP'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 10.45 Med: 31.17 Max: 268
Current: 62.49
During the past 13 years, Gas Plus SpA's highest Shiller PE Ratio was 268.00. The lowest was 10.45. And the median was 31.17.
MIL:GSP's Shiller PE Ratio is ranked worse than 90.83% of 436
companies
in the Oil & Gas industry
Industry Median: 18.29
vs MIL:GSP: 62.49
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.
Gas Plus SpA's adjusted earnings per share data of for the fiscal year that ended in Dec25 was €0.450. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is €0.10 for the trailing ten years ended in Dec25.
Shiller PE for Stocks: The True Measure of Stock Valuation
Gas Plus SpA (MIL:GSP) 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.
Gas Plus SpA Shiller PE Ratio Related Terms
Gas Plus SpA Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Gas Plus SpA'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.
MIL:GSP vs COP, EOG, OXY: Shiller PE Ratio Comparison
For the Oil & Gas E&P subindustry, Gas Plus SpA'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.
Gas Plus SpA Shiller PE Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Gas Plus SpA's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Gas Plus SpA'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.
Gas Plus SpA'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.
Gas Plus SpA's E10 for the fiscal year that ended in Dec25 is calculated as:
For example, Gas Plus SpA's adjusted earnings per share data for the fiscal year that ended in Dec25 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.
Gas Plus SpA (MIL:GSP) has a Shiller PE Ratio of 61.60 as of Sep. 10, 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 Gas Plus SpA and its competitors. This is 98% above median its historical median of 31.17. Over the past decade, Gas Plus SpA's Shiller PE Ratio has ranged from 10.45 to 268.00. According to the industry distribution chart, Gas Plus SpA ranks #396 out of 436 companies in the Oil & Gas industry, placing it in the top 90.8%.
Is Gas Plus SpA's Shiller PE Ratio too high?
Gas Plus SpA's current Shiller PE Ratio of 61.60 is 98% above median its 10-year median of 31.17. Over the past 10 years, this metric has ranged from a low of 10.45 to a high of 268.00. The Oil & Gas industry median Shiller PE Ratio is 18.29. Gas Plus SpA's value of 61.60 is 236.8% above this industry median. Based on the distribution chart, Gas Plus SpA ranks #396 out of 436 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Gas Plus SpA has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Gas Plus SpA's Shiller PE Ratio compare to COP and EOG?
According to the Oil & Gas industry distribution chart, Gas Plus SpA ranks #396 out of 436 companies for Shiller PE Ratio. This places Gas Plus SpA in the lower half of its industry. The industry median Shiller PE Ratio is 18.29. Gas Plus SpA's value of 61.60 is 236.8% above this benchmark. Historically, Gas Plus SpA's own Shiller PE Ratio has ranged from 10.45 to 268.00 over the past decade. While the company's 10-year median is 31.17 vs. the industry median of 18.29, Gas Plus SpA 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 Oil & Gas company?
The median Shiller PE Ratio among Oil & Gas companies is 18.29, based on 436 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. Gas Plus SpA's current Shiller PE Ratio of 61.60 is 236.8% 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 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 Gas Plus SpA and its competitors. For the Oil & Gas industry, the median Shiller PE Ratio is 18.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gas Plus SpA's current Shiller PE Ratio is 61.60, which is 98% above median its own 10-year median of 31.17. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gas Plus SpA stock overvalued right now?
Based on GuruFocus' analysis, Gas Plus SpA (MIL:GSP) is currently considered Significantly Overvalued. The stock's GF Value™ is €3.33, compared to a current price of €6.16 — trading 85% above its estimated fair value. The current Shiller PE Ratio is 61.60, which is 98% above median its 10-year median of 31.17 and 236.8% above the Oil & Gas industry median of 18.29. Gas Plus SpA's overall GF Score™ is 64/100 with 2 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 Gas Plus SpA (MIL:GSP), the current Shiller PE Ratio is 61.60 as of Sep. 10, 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 Gas Plus SpA (MIL:GSP) Overvalued in 2026?
Based on GuruFocus' analysis, Gas Plus SpA stock appears to be overvalued.
The current stock price of €6.16 is trading 85% above its estimated GF Value™ of €3.33.
GuruFocus considers Gas Plus SpA to be Significantly Overvalued.
Key valuation signals for MIL:GSP:
Shiller PE Ratio: 61.60 (98% above median its 10-year median of 31.17)
GF Value™: €3.33 vs. price of €6.16 (85% above fair value)
Industry Position: 236.8% above the Oil & Gas median (#396 of 436)
No single metric tells the full story. See the MIL:GSP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Gas Plus SpA through its subsidiaries is engaged in the exploration and production of natural gas in Italy. The company is also involved in the production, purchase, distribution, and sale of natural gas. The company holds approximately 47 cultivation concessions distributed throughout Italy and manages a total of about 1,600 kilometers of regional distribution and transportation network located around 39 municipalities.
64GF Score
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