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Thessaloniki Port AuthorityATH:OLTH +0.25%92 Shiller PE Ratio is 18.54 as of Sep. 09, 2026, which is 15% above its 10-year median of 16.10. GuruFocus rates ATH:OLTH with a GF Score™ of 92/100 and a GF Value™ of €32.03 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 594 Transportation companies, Thessaloniki Port Authority ranks better than 50.34% on this metric.
The historical rank and industry rank for Thessaloniki Port Authority's Shiller PE Ratio or its related term are showing as below:
ATH:OLTH'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 10.68 Med: 16.1 Max: 24.27
Current: 18.33
During the past 13 years, Thessaloniki Port Authority's highest Shiller PE Ratio was 24.27. The lowest was 10.68. And the median was 16.10.
ATH:OLTH's Shiller PE Ratio is ranked better than 50.34% of 594
companies
in the Transportation industry
Industry Median: 18.385
vs ATH:OLTH: 18.33
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.
Thessaloniki Port Authority's adjusted earnings per share data of for the fiscal year that ended in Dec25 was €3.060. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is €2.13 for the trailing ten years ended in Dec25.
Shiller PE for Stocks: The True Measure of Stock Valuation
Thessaloniki Port Authority (ATH:OLTH) 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.
Thessaloniki Port Authority Shiller PE Ratio Related Terms
Thessaloniki Port Authority 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.
Thessaloniki Port Authority Shiller PE Ratio Chart
Thessaloniki Port Authority Shiller PE Ratio Competitor Comparison
For the Marine Shipping subindustry, Thessaloniki Port Authority'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.
Thessaloniki Port Authority Shiller PE Ratio vs Transportation Industry
For the Transportation industry and Industrials sector, Thessaloniki Port Authority's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Thessaloniki Port Authority's Shiller PE Ratio falls into.
Thessaloniki Port Authority 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.
Thessaloniki Port Authority (ATH:OLTH) has a Shiller PE Ratio of 18.54 as of Sep. 09, 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 Thessaloniki Port Authority and its competitors. This is 15% above median its historical median of 16.10. Over the past decade, Thessaloniki Port Authority's Shiller PE Ratio has ranged from 10.68 to 24.27. According to the industry distribution chart, Thessaloniki Port Authority ranks #295 out of 594 companies in the Transportation industry, placing it in the top 49.7%.
Is Thessaloniki Port Authority's Shiller PE Ratio too high?
Thessaloniki Port Authority's current Shiller PE Ratio of 18.54 is 15% above median its 10-year median of 16.10. Over the past 10 years, this metric has ranged from a low of 10.68 to a high of 24.27. The Transportation industry median Shiller PE Ratio is 18.39. Thessaloniki Port Authority's value of 18.54 is 0.8% above this industry median. Based on the distribution chart, Thessaloniki Port Authority ranks #295 out of 594 companies in the Transportation industry, which is above the industry midpoint. Overall, Thessaloniki Port Authority has a GF Score™ of 92/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Thessaloniki Port Authority's Shiller PE Ratio compare to competitors?
According to the Transportation industry distribution chart, Thessaloniki Port Authority ranks #295 out of 594 companies for Shiller PE Ratio. This puts Thessaloniki Port Authority in the upper half of its industry. The industry median Shiller PE Ratio is 18.39. Thessaloniki Port Authority's value of 18.54 is 0.8% above this benchmark. Historically, Thessaloniki Port Authority's own Shiller PE Ratio has ranged from 10.68 to 24.27 over the past decade. While the company's 10-year median is 16.10 vs. the industry median of 18.39, Thessaloniki Port Authority 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 18.39, based on 594 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. Thessaloniki Port Authority's current Shiller PE Ratio of 18.54 is 0.8% 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 Thessaloniki Port Authority and its competitors. For the Transportation industry, the median Shiller PE Ratio is 18.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thessaloniki Port Authority's current Shiller PE Ratio is 18.54, which is 15% above median its own 10-year median of 16.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thessaloniki Port Authority stock overvalued right now?
Based on GuruFocus' analysis, Thessaloniki Port Authority (ATH:OLTH) is currently considered Modestly Overvalued. The stock's GF Value™ is €32.03, compared to a current price of €39.50 — trading 23.3% above its estimated fair value. The current Shiller PE Ratio is 18.54, which is 15% above median its 10-year median of 16.10 and 0.8% above the Transportation industry median of 18.39. Thessaloniki Port Authority's overall GF Score™ is 92/100 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 Thessaloniki Port Authority (ATH:OLTH), the current Shiller PE Ratio is 18.54 as of Sep. 09, 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 Thessaloniki Port Authority (ATH:OLTH) Overvalued in 2026?
Based on GuruFocus' analysis, Thessaloniki Port Authority stock appears to be overvalued.
The current stock price of €39.50 is trading 23.3% above its estimated GF Value™ of €32.03.
GuruFocus considers Thessaloniki Port Authority to be Modestly Overvalued.
Key valuation signals for ATH:OLTH:
Shiller PE Ratio: 18.54 (15% above median its 10-year median of 16.10)
GF Value™: €32.03 vs. price of €39.50 (23.3% above fair value)
Industry Position: 0.8% above the Transportation median (#295 of 594)
No single metric tells the full story. See the ATH:OLTH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Thessaloniki Port Authority SA operates in the sector of auxiliary activities related to transportation, providing services at the Port of Thessaloniki, including loading and unloading of cargo, storage, port services and passenger traffic. Its business activities include services for unitized cargoes (containers), conventional cargoes (bulk, general and RO-RO), coastal and cruise passengers, vessels (anchoring, mooring, berthing and other services), users of port and non-port facilities including car parking operations, and intermodal transport services (dry-port) through the Company and its subsidiary ThPA Sofia EAD. The Company's operating segments are Container Terminal, Conventional Cargo, Passenger Traffic, Exploitation of Sites and Intermodal.
92GF Score
Get the complete analysis for ATH:OLTH
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