ATH:EYAPS's Gross Margin % is ranked worse than 58.98% of 490
companies
in the Utilities - Regulated industry
Industry Median: 30.915
vs ATH:EYAPS: 25.70
Thessaloniki Water Supply & Sewerage Co had a gross margin of 26.32% for the quarter that ended in Dec. 2025 => Competition eroding margins
Thessaloniki Water Supply & Sewerage Co (ATH:EYAPS) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Thessaloniki Water Supply & Sewerage Co had a gross margin of 26.32% for the quarter that ended in Dec. 2025 => Competition eroding margins
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Thessaloniki Water Supply & Sewerage Co Gross Margin % Related Terms
Thessaloniki Water Supply & Sewerage Co Gross 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 Water Supply & Sewerage Co Gross Margin % Chart
Thessaloniki Water Supply & Sewerage Co Annual Data
ATH:EYAPS vs AWK, WTRG, AWR: Gross Margin % Comparison
For the Utilities - Regulated Water subindustry, Thessaloniki Water Supply & Sewerage Co's Gross Margin %, along with its competitors' market caps and Gross 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 Water Supply & Sewerage Co Gross Margin % vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Thessaloniki Water Supply & Sewerage Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Thessaloniki Water Supply & Sewerage Co's Gross 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Thessaloniki Water Supply & Sewerage Co (ATH:EYAPS) has a Gross Margin % of 26.32% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Thessaloniki Water Supply & Sewerage Co and its competitors. This is 25% below median its historical median of 34.88. Over the past decade, Thessaloniki Water Supply & Sewerage Co's Gross Margin % has ranged from 7.73 to 41.37. According to the industry distribution chart, Thessaloniki Water Supply & Sewerage Co ranks #289 out of 490 companies in the Utilities - Regulated industry, placing it in the top 59%.
Is Thessaloniki Water Supply & Sewerage Co's Gross Margin % too high?
Thessaloniki Water Supply & Sewerage Co's current Gross Margin % of 26.32% is 25% below median its 10-year median of 34.88. Over the past 10 years, this metric has ranged from a low of 7.73 to a high of 41.37. The Utilities - Regulated industry median Gross Margin % is 30.92. Thessaloniki Water Supply & Sewerage Co's value of 26.32% is 14.9% below this industry median. Based on the distribution chart, Thessaloniki Water Supply & Sewerage Co ranks #289 out of 490 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, Thessaloniki Water Supply & Sewerage Co has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Thessaloniki Water Supply & Sewerage Co's Gross Margin % compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Thessaloniki Water Supply & Sewerage Co ranks #289 out of 490 companies for Gross Margin %. This places Thessaloniki Water Supply & Sewerage Co in the lower half of its industry. The industry median Gross Margin % is 30.92. Thessaloniki Water Supply & Sewerage Co's value of 26.32% is 14.9% below this benchmark. Historically, Thessaloniki Water Supply & Sewerage Co's own Gross Margin % has ranged from 7.73 to 41.37 over the past decade. While the company's 10-year median is 34.88 vs. the industry median of 30.92, Thessaloniki Water Supply & Sewerage Co 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 Gross Margin % for an Utilities - Regulated company?
The median Gross Margin % among Utilities - Regulated companies is 30.92, based on 490 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Thessaloniki Water Supply & Sewerage Co's current Gross Margin % of 26.32% is 14.9% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Thessaloniki Water Supply & Sewerage Co and its competitors. For the Utilities - Regulated industry, the median Gross Margin % is 30.92 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thessaloniki Water Supply & Sewerage Co's current Gross Margin % is 26.32%, which is 25% below median its own 10-year median of 34.88. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thessaloniki Water Supply & Sewerage Co stock overvalued right now?
Based on GuruFocus' analysis, Thessaloniki Water Supply & Sewerage Co (ATH:EYAPS) is currently considered Significantly Overvalued. The stock's GF Value™ is €3.80, compared to a current price of €5.10 — trading 34.2% above its estimated fair value. The current Gross Margin % is 26.32%, which is 25% below median its 10-year median of 34.88 and 14.9% below the Utilities - Regulated industry median of 30.92. Thessaloniki Water Supply & Sewerage Co's overall GF Score™ is 79/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Thessaloniki Water Supply & Sewerage Co (ATH:EYAPS), the current Gross Margin % is 26.32% 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 Water Supply & Sewerage Co (ATH:EYAPS) Overvalued in 2026?
Based on GuruFocus' analysis, Thessaloniki Water Supply & Sewerage Co stock appears to be overvalued.
The current stock price of €5.10 is trading 34.2% above its estimated GF Value™ of €3.80.
GuruFocus considers Thessaloniki Water Supply & Sewerage Co to be Significantly Overvalued.
Key valuation signals for ATH:EYAPS:
Gross Margin %: 26.32% (25% below median its 10-year median of 34.88)
GF Value™: €3.80 vs. price of €5.10 (34.2% above fair value)
Industry Position: 14.9% below the Utilities - Regulated median (#289 of 490)
No single metric tells the full story. See the ATH:EYAPS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Thessaloniki Water Supply & Sewerage Co Business Description
Thessaloniki Water Supply & Sewerage Co SA is engaged in providing water supply and sewerage services. The company also provides telecommunication services and the production and sale of electricity. The operating segments of the company are the provision of water supply services and the provision of sewerage services, where the provision of water supply services segment derives a majority of the revenue.
79GF Score
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Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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