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.
The historical rank and industry rank for Aqualine's Debt-to-EBITDA or its related term are showing as below:
TSE:6173'
s Debt-to-EBITDA Range Over the Past 10 Years
Min: -13.09 Med: -0.69 Max: 2.35
Current: -0.15
During the past 12 years, the highest Debt-to-EBITDA Ratio of Aqualine was 2.35. The lowest was -13.09. And the median was -0.69.
TSE:6173's Debt-to-EBITDA is ranked worse than 100% of 835
companies
in the Business Services industry
Industry Median: 1.67
vs TSE:6173: -0.15
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.
Aqualine Debt-to-EBITDA Related Terms
Aqualine Debt-to-EBITDA Historical Data
* Premium members only.
The historical data trend for Aqualine's Debt-to-EBITDA can be seen below:
* 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.
TSE:6173 vs CTAS, CPRT, GPN: Debt-to-EBITDA Comparison
For the Specialty Business Services subindustry, Aqualine'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.
Aqualine Debt-to-EBITDA vs Business Services Industry
For the Business Services industry and Industrials sector, Aqualine's Debt-to-EBITDA distribution charts can be found below:
* The bar in red indicates where Aqualine'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 two times the quarterly (Feb. 2026) EBITDA data.
Aqualine (TSE:6173) has a Debt-to-EBITDA of -0.18 as of Feb. 2026. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Aqualine. According to the industry distribution chart, Aqualine ranks #999999 out of 835 companies in the Business Services industry.
Is Aqualine's Debt-to-EBITDA too high?
Aqualine's current Debt-to-EBITDA is -0.18. Based on the distribution chart, Aqualine ranks #999999 out of 835 companies in the Business Services industry, which is in the bottom quartile relative to peers. Overall, Aqualine has a GF Score™ of 22/100, reflecting its overall financial health beyond just this single metric.
How does Aqualine's Debt-to-EBITDA compare to CTAS and CPRT?
According to the Business Services industry distribution chart, Aqualine ranks #999999 out of 835 companies for Debt-to-EBITDA. This places Aqualine in the lower half of its industry. The industry median Debt-to-EBITDA is 1.67. 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 Business Services company?
The median Debt-to-EBITDA among Business Services companies is 1.67, based on 835 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. 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 Aqualine. For the Business Services industry, the median Debt-to-EBITDA is 1.67 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aqualine's current Debt-to-EBITDA is -0.18. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aqualine stock overvalued right now?
Aqualine (TSE:6173) has a current Debt-to-EBITDA of -0.18. The stock's GF Value™ is 円43.95, compared to a current price of 円13.00 — trading 70.4% below its estimated fair value. The current Debt-to-EBITDA is -0.18. Aqualine's overall GF Score™ is 22/100 with 10 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 Aqualine (TSE:6173), the current Debt-to-EBITDA is -0.18 as of Feb. 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 Aqualine (TSE:6173) Overvalued in 2026?
Based on GuruFocus' analysis, Aqualine stock appears to be undervalued.
The current stock price of 円13.00 is trading 70.4% below its estimated GF Value™ of 円43.95.
Key valuation signals for TSE:6173:
Debt-to-EBITDA: -0.18
GF Value™: 円43.95 vs. price of 円13.00 (70.4% below fair value)
No single metric tells the full story. See the TSE:6173 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Aqualine Ltd is engaged in the repair of water supply products. The company operates in three reportable segments. The Water-related Service Support Business provides support to franchisees, including call center operations for emergency water-related trouble repairs and response, sales and installation of water-related products, and other repair work. The Advertising Media Business sells internet advertising in the field of emergency care. The Mineral Water Business involves the sale of mineral water and the handling of water dispensers. It generates the majority of its revenue from the Water-related Service Support Business segment.
22GF Score
Get the complete analysis for TSE:6173
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
TSE:6173 has been successfully added to your 
