Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt. According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
ATH:HTO'
s Debt-to-EBITDA Range Over the Past 10 Years
Min: 0.75 Med: 1.16 Max: 1.66
Current: 0.75
During the past 13 years, the highest Debt-to-EBITDA Ratio of Hellenic Telecommunication Organization was 1.66. The lowest was 0.75. And the median was 1.16.
ATH:HTO's Debt-to-EBITDA is ranked better than 80.4% of 301
companies
in the Telecommunication Services industry
Industry Median: 2.01
vs ATH:HTO: 0.75
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt.
According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
Hellenic Telecommunication Organization Debt-to-EBITDA Related Terms
Hellenic Telecommunication Organization Debt-to-EBITDA 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.
For the Telecom Services subindustry, Hellenic Telecommunication Organization's Debt-to-EBITDA, along with its competitors' market caps and Debt-to-EBITDA 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.
Hellenic Telecommunication Organization Debt-to-EBITDA vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, Hellenic Telecommunication Organization's Debt-to-EBITDA distribution charts can be found below:
* The bar in red indicates where Hellenic Telecommunication Organization's Debt-to-EBITDA 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.
In the calculation of annual Debt-to-EBITDA, the EBITDA of the last fiscal year is used. In calculating the annualized quarterly data,
the EBITDA data used here is four times the quarterly (Dec. 2025) EBITDA data.
Hellenic Telecommunication Organization (ATH:HTO) has a Debt-to-EBITDA of 0.73 as of Dec. 2025. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Hellenic Telecommunication Organization. This is 37% below median its historical median of 1.16. Over the past decade, Hellenic Telecommunication Organization's Debt-to-EBITDA has ranged from 0.75 to 1.66. According to the industry distribution chart, Hellenic Telecommunication Organization ranks #59 out of 301 companies in the Telecommunication Services industry, placing it in the top 19.6%.
Is Hellenic Telecommunication Organization's Debt-to-EBITDA too high?
Hellenic Telecommunication Organization's current Debt-to-EBITDA of 0.73 is 37% below median its 10-year median of 1.16. Over the past 10 years, this metric has ranged from a low of 0.75 to a high of 1.66. The Telecommunication Services industry median Debt-to-EBITDA is 2.01. Hellenic Telecommunication Organization's value of 0.73 is 63.7% below this industry median. Based on the distribution chart, Hellenic Telecommunication Organization ranks #59 out of 301 companies in the Telecommunication Services industry, which is in the top quartile — a strong position relative to peers. Overall, Hellenic Telecommunication Organization has a GF Score™ of 80/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Hellenic Telecommunication Organization's Debt-to-EBITDA compare to TMUS and VZ?
According to the Telecommunication Services industry distribution chart, Hellenic Telecommunication Organization ranks #59 out of 301 companies for Debt-to-EBITDA. This places Hellenic Telecommunication Organization in the top 20% of its industry — outperforming the majority of peers. The industry median Debt-to-EBITDA is 2.01. Hellenic Telecommunication Organization's value of 0.73 is 63.7% below this benchmark. Historically, Hellenic Telecommunication Organization's own Debt-to-EBITDA has ranged from 0.75 to 1.66 over the past decade. While the company's 10-year median is 1.16 vs. the industry median of 2.01, Hellenic Telecommunication Organization 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 Debt-to-EBITDA for a Telecommunication Services company?
The median Debt-to-EBITDA among Telecommunication Services companies is 2.01, based on 301 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-EBITDA significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-EBITDA should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Hellenic Telecommunication Organization's current Debt-to-EBITDA of 0.73 is 63.7% 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 Debt-to-EBITDA mean?
A high Debt-to-EBITDA can signal that a stock is expensive relative to its fundamentals. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Hellenic Telecommunication Organization. For the Telecommunication Services industry, the median Debt-to-EBITDA is 2.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Hellenic Telecommunication Organization's current Debt-to-EBITDA is 0.73, which is 37% below median its own 10-year median of 1.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Hellenic Telecommunication Organization stock overvalued right now?
Based on GuruFocus' analysis, Hellenic Telecommunication Organization (ATH:HTO) is currently considered Significantly Overvalued. The stock's GF Value™ is €14.80, compared to a current price of €19.75 — trading 33.4% above its estimated fair value. The current Debt-to-EBITDA is 0.73, which is 37% below median its 10-year median of 1.16 and 63.7% below the Telecommunication Services industry median of 2.01. Hellenic Telecommunication Organization's overall GF Score™ is 80/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-EBITDA calculated?
Debt-to-EBITDA is calculated from a company's financial statements. For Hellenic Telecommunication Organization (ATH:HTO), the current Debt-to-EBITDA is 0.73 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 Hellenic Telecommunication Organization (ATH:HTO) Overvalued in 2026?
Based on GuruFocus' analysis, Hellenic Telecommunication Organization stock appears to be overvalued.
The current stock price of €19.75 is trading 33.4% above its estimated GF Value™ of €14.80.
GuruFocus considers Hellenic Telecommunication Organization to be Significantly Overvalued.
Key valuation signals for ATH:HTO:
Debt-to-EBITDA: 0.73 (37% below median its 10-year median of 1.16)
GF Value™: €14.80 vs. price of €19.75 (33.4% above fair value)
Industry Position: 63.7% below the Telecommunication Services median (#59 of 301)
No single metric tells the full story. See the ATH:HTO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Hellenic Telecommunication Organization Business Description
Hellenic Telecommunication Organization SA is a telecommunications company that offers Internet access services, TV services, broadband, fixed-line services, and mobile telecommunication. The reportable segments of the company are as follows: i) Greece - Fixed business includes fixed-line services, internet access services, national and international wholesale services, and TV services in Greece. ii) Greece - Mobile business includes mobile telecommunications services and retail operations (shops). iii) TELEKOM ROMANIA MOBILE provides mobile telecommunications services in Romania.
80GF Score
Get the complete analysis for ATH:HTO
Debt-to-EBITDA is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ATH:HTO has been successfully added to your 
