Thessaloniki Port AuthorityATH:OLTH +1.04%90 Net Margin % is 27.49% as of Dec. 2025, which is 3% above its 10-year median of 26.63. GuruFocus rates ATH:OLTH with a GF Score™ of 90/100 and a GF Value™ of €31.52 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 1,008 Transportation companies, Thessaloniki Port Authority ranks better than 91.47% on this metric.
The historical rank and industry rank for Thessaloniki Port Authority's Net Margin % or its related term are showing as below:
ATH:OLTH'
s Net Margin % Range Over the Past 10 Years
Min: 13.36 Med: 26.63 Max: 29.3
Current: 28.68
ATH:OLTH's Net Margin % is ranked better than 91.47% of 1008
companies
in the Transportation industry
Industry Median: 4.98
vs ATH:OLTH: 28.68
Thessaloniki Port Authority (ATH:OLTH) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
Thessaloniki Port Authority Net Margin % Related Terms
Thessaloniki Port Authority Net Margin % 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 Net Margin % Competitor Comparison
For the Marine Shipping subindustry, Thessaloniki Port Authority's Net Margin %, along with its competitors' market caps and Net Margin % 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 Net Margin % vs Transportation Industry
For the Transportation industry and Industrials sector, Thessaloniki Port Authority's Net Margin % distribution charts can be found below:
* The bar in red indicates where Thessaloniki Port Authority's Net Margin % falls into.
* 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 (ATH:OLTH) has a Net Margin % of 27.49% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on Thessaloniki Port Authority and its competitors. This is near median its historical median of 26.63. Over the past decade, Thessaloniki Port Authority's Net Margin % has ranged from 13.36 to 29.30. According to the industry distribution chart, Thessaloniki Port Authority ranks #86 out of 1008 companies in the Transportation industry, placing it in the top 8.5%.
Is Thessaloniki Port Authority's Net Margin % too high?
Thessaloniki Port Authority's current Net Margin % of 27.49% is near median its 10-year median of 26.63. Over the past 10 years, this metric has ranged from a low of 13.36 to a high of 29.30. The Transportation industry median Net Margin % is 4.98. Thessaloniki Port Authority's value of 27.49% is 452% above this industry median. Based on the distribution chart, Thessaloniki Port Authority ranks #86 out of 1008 companies in the Transportation industry, which is in the top quartile — a strong position relative to peers. Overall, Thessaloniki Port Authority has a GF Score™ of 90/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Thessaloniki Port Authority's Net Margin % compare to competitors?
According to the Transportation industry distribution chart, Thessaloniki Port Authority ranks #86 out of 1008 companies for Net Margin %. This places Thessaloniki Port Authority in the top 9% of its industry — outperforming the majority of peers. The industry median Net Margin % is 4.98. Thessaloniki Port Authority's value of 27.49% is 452% above this benchmark. Historically, Thessaloniki Port Authority's own Net Margin % has ranged from 13.36 to 29.30 over the past decade. While the company's 10-year median is 26.63 vs. the industry median of 4.98, 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 Net Margin % for a Transportation company?
The median Net Margin % among Transportation companies is 4.98, based on 1,008 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Thessaloniki Port Authority's current Net Margin % of 27.49% is 452% 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on Thessaloniki Port Authority and its competitors. For the Transportation industry, the median Net Margin % is 4.98 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thessaloniki Port Authority's current Net Margin % is 27.49%, which is near median its own 10-year median of 26.63. 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 €31.52, compared to a current price of €39.00 — trading 23.7% above its estimated fair value. The current Net Margin % is 27.49%, which is near median its 10-year median of 26.63 and 452% above the Transportation industry median of 4.98. Thessaloniki Port Authority's overall GF Score™ is 90/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For Thessaloniki Port Authority (ATH:OLTH), the current Net Margin % is 27.49% as of Dec. 2025. 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 €39.00 is trading 23.7% above its estimated GF Value™ of €31.52.
GuruFocus considers Thessaloniki Port Authority to be Modestly Overvalued.
Key valuation signals for ATH:OLTH:
Net Margin %: 27.49% (near median its 10-year median of 26.63)
GF Value™: €31.52 vs. price of €39.00 (23.7% above fair value)
Industry Position: 452% above the Transportation median (#86 of 1008)
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.
90GF Score
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