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MIL:ADB's Shiller PE Ratio is ranked worse than 58.32% of 595
companies
in the Transportation industry
Industry Median: 18.49
vs MIL:ADB: 20.39
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.
Aeroporto Guglielmo Marconi di Bologna SpA's adjusted earnings per share data for the three months ended in Jun. 2026 was €0.220. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is €0.46 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Aeroporto Guglielmo Marconi di Bologna SpA (MIL:ADB) 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.
Aeroporto Guglielmo Marconi di Bologna SpA Shiller PE Ratio Related Terms
Aeroporto Guglielmo Marconi di Bologna SpA 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.
Aeroporto Guglielmo Marconi di Bologna SpA Shiller PE Ratio Chart
Aeroporto Guglielmo Marconi di Bologna SpA Annual Data
MIL:ADB vs JOBY, CAAP: Shiller PE Ratio Comparison
For the Airports & Air Services subindustry, Aeroporto Guglielmo Marconi di Bologna 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.
Aeroporto Guglielmo Marconi di Bologna SpA Shiller PE Ratio vs Transportation Industry
Aeroporto Guglielmo Marconi di Bologna SpA 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.
Aeroporto Guglielmo Marconi di Bologna SpA (MIL:ADB) has a Shiller PE Ratio of 20.48 as of Sep. 13, 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 Aeroporto Guglielmo Marconi di Bologna SpA and its competitors. This is near median its historical median of 21.22. Over the past decade, Aeroporto Guglielmo Marconi di Bologna SpA's Shiller PE Ratio has ranged from 19.55 to 27.79. According to the industry distribution chart, Aeroporto Guglielmo Marconi di Bologna SpA ranks #347 out of 595 companies in the Transportation industry, placing it in the top 58.3%.
Is Aeroporto Guglielmo Marconi di Bologna SpA's Shiller PE Ratio too high?
Aeroporto Guglielmo Marconi di Bologna SpA's current Shiller PE Ratio of 20.48 is near median its 10-year median of 21.22. Over the past 10 years, this metric has ranged from a low of 19.55 to a high of 27.79. The Transportation industry median Shiller PE Ratio is 18.49. Aeroporto Guglielmo Marconi di Bologna SpA's value of 20.48 is 10.8% above this industry median. Based on the distribution chart, Aeroporto Guglielmo Marconi di Bologna SpA ranks #347 out of 595 companies in the Transportation industry, which is below the industry midpoint. Overall, Aeroporto Guglielmo Marconi di Bologna SpA has a GF Score™ of 73/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Aeroporto Guglielmo Marconi di Bologna SpA's Shiller PE Ratio compare to JOBY and CAAP?
According to the Transportation industry distribution chart, Aeroporto Guglielmo Marconi di Bologna SpA ranks #347 out of 595 companies for Shiller PE Ratio. This places Aeroporto Guglielmo Marconi di Bologna SpA in the lower half of its industry. The industry median Shiller PE Ratio is 18.49. Aeroporto Guglielmo Marconi di Bologna SpA's value of 20.48 is 10.8% above this benchmark. Historically, Aeroporto Guglielmo Marconi di Bologna SpA's own Shiller PE Ratio has ranged from 19.55 to 27.79 over the past decade. While the company's 10-year median is 21.22 vs. the industry median of 18.49, Aeroporto Guglielmo Marconi di Bologna 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 a Transportation company?
The median Shiller PE Ratio among Transportation companies is 18.49, based on 595 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. Aeroporto Guglielmo Marconi di Bologna SpA's current Shiller PE Ratio of 20.48 is 10.8% 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 Aeroporto Guglielmo Marconi di Bologna SpA and its competitors. For the Transportation industry, the median Shiller PE Ratio is 18.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aeroporto Guglielmo Marconi di Bologna SpA's current Shiller PE Ratio is 20.48, which is near median its own 10-year median of 21.22. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aeroporto Guglielmo Marconi di Bologna SpA stock overvalued right now?
Based on GuruFocus' analysis, Aeroporto Guglielmo Marconi di Bologna SpA (MIL:ADB) is currently considered Fairly Valued. The stock's GF Value™ is €9.48, compared to a current price of €9.42 — trading 0.6% below its estimated fair value. The current Shiller PE Ratio is 20.48, which is near median its 10-year median of 21.22 and 10.8% above the Transportation industry median of 18.49. Aeroporto Guglielmo Marconi di Bologna SpA's overall GF Score™ is 73/100 with 4 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 Aeroporto Guglielmo Marconi di Bologna SpA (MIL:ADB), the current Shiller PE Ratio is 20.48 as of Sep. 13, 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 Aeroporto Guglielmo Marconi di Bologna SpA (MIL:ADB) Overvalued in 2026?
Based on GuruFocus' analysis, Aeroporto Guglielmo Marconi di Bologna SpA stock appears to be undervalued.
The current stock price of €9.42 is trading 0.6% below its estimated GF Value™ of €9.48.
GuruFocus considers Aeroporto Guglielmo Marconi di Bologna SpA to be Fairly Valued.
Key valuation signals for MIL:ADB:
Shiller PE Ratio: 20.48 (near median its 10-year median of 21.22)
GF Value™: €9.48 vs. price of €9.42 (0.6% below fair value)
Industry Position: 10.8% above the Transportation median (#347 of 595)
No single metric tells the full story. See the MIL:ADB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Aeroporto Guglielmo Marconi di Bologna SpA is engaged in the airport operations. It operates with three business units Aviation, Non-Aviation, and Other. Aviation unit is responsible for providing security services, information to the public and airport users, development of the airport infrastructure and service to passengers whereas Non-Aviation unit is concern about parking management, retail sub-concessions, advertising, passenger services and real estate management areas. The group generates revenue through Carriers, Airport Operators, Passenger Revenue, Traffic Incentives and Construction Services.
73GF Score
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