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Nagaoka InternationalTSE:6239 +0.69%59 Debt-to-Equity is 0.05 as of Mar. 2026, which is 78% below its 10-year median of 0.23. GuruFocus rates TSE:6239 with a GF Score™ of 59/100 and a GF Value™ of 円1,102.73 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 807 Oil & Gas companies, Nagaoka International ranks better than 89.84% on this metric.
A high debt to equity ratio generally means that a company has been aggressive in financing its growth with debt. This can result in volatile earnings as a result of the additional interest expense.
The historical rank and industry rank for Nagaoka International's Debt-to-Equity or its related term are showing as below:
TSE:6239'
s Debt-to-Equity Range Over the Past 10 Years
Min: 0.03 Med: 0.23 Max: 1.88
Current: 0.04
During the past 13 years, the highest Debt-to-Equity Ratio of Nagaoka International was 1.88. The lowest was 0.03. And the median was 0.23.
TSE:6239's Debt-to-Equity is ranked better than 89.84% of 807
companies
in the Oil & Gas industry
Industry Median: 0.45
vs TSE:6239: 0.04
Because a company can increase its ROE % by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE % companies.
Nagaoka International Debt-to-Equity Related Terms
Nagaoka International Debt-to-Equity Historical Data
* Premium members only.
The historical data trend for Nagaoka International's Debt-to-Equity 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:6239 vs MPC, VLO, PSX: Debt-to-Equity Comparison
For the Oil & Gas Refining & Marketing subindustry, Nagaoka International's Debt-to-Equity, along with its competitors' market caps and Debt-to-Equity 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.
Nagaoka International Debt-to-Equity vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Nagaoka International's Debt-to-Equity distribution charts can be found below:
* The bar in red indicates where Nagaoka International's Debt-to-Equity 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.
Nagaoka International (TSE:6239) has a Debt-to-Equity of 0.05 as of Mar. 2026. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Nagaoka International and its competitors. This is 78% below median its historical median of 0.23. Over the past decade, Nagaoka International's Debt-to-Equity has ranged from 0.03 to 1.88. According to the industry distribution chart, Nagaoka International ranks #82 out of 807 companies in the Oil & Gas industry, placing it in the top 10.2%.
Is Nagaoka International's Debt-to-Equity too high?
Nagaoka International's current Debt-to-Equity of 0.05 is 78% below median its 10-year median of 0.23. Over the past 10 years, this metric has ranged from a low of 0.03 to a high of 1.88. The Oil & Gas industry median Debt-to-Equity is 0.45. Nagaoka International's value of 0.05 is 88.9% below this industry median. Based on the distribution chart, Nagaoka International ranks #82 out of 807 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Nagaoka International has a GF Score™ of 59/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Nagaoka International's Debt-to-Equity compare to MPC and VLO?
According to the Oil & Gas industry distribution chart, Nagaoka International ranks #82 out of 807 companies for Debt-to-Equity. This places Nagaoka International in the top 10% of its industry — outperforming the majority of peers. The industry median Debt-to-Equity is 0.45. Nagaoka International's value of 0.05 is 88.9% below this benchmark. Historically, Nagaoka International's own Debt-to-Equity has ranged from 0.03 to 1.88 over the past decade. While the company's 10-year median is 0.23 vs. the industry median of 0.45, Nagaoka International 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-Equity for an Oil & Gas company?
The median Debt-to-Equity among Oil & Gas companies is 0.45, based on 807 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-Equity significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-Equity should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Nagaoka International's current Debt-to-Equity of 0.05 is 88.9% 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 Debt-to-Equity mean?
A high Debt-to-Equity can signal that a stock is expensive relative to its fundamentals. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Nagaoka International and its competitors. For the Oil & Gas industry, the median Debt-to-Equity is 0.45 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nagaoka International's current Debt-to-Equity is 0.05, which is 78% below median its own 10-year median of 0.23. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nagaoka International stock overvalued right now?
Based on GuruFocus' analysis, Nagaoka International (TSE:6239) is currently considered Significantly Overvalued. The stock's GF Value™ is 円1,102.73, compared to a current price of 円1,452.00 — trading 31.7% above its estimated fair value. The current Debt-to-Equity is 0.05, which is 78% below median its 10-year median of 0.23 and 88.9% below the Oil & Gas industry median of 0.45. Nagaoka International's overall GF Score™ is 59/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Equity calculated?
Debt-to-Equity is calculated from a company's financial statements. For Nagaoka International (TSE:6239), the current Debt-to-Equity is 0.05 as of Mar. 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 Nagaoka International (TSE:6239) Overvalued in 2026?
Based on GuruFocus' analysis, Nagaoka International stock appears to be overvalued.
The current stock price of 円1,452.00 is trading 31.7% above its estimated GF Value™ of 円1,102.73.
GuruFocus considers Nagaoka International to be Significantly Overvalued.
Key valuation signals for TSE:6239:
Debt-to-Equity: 0.05 (78% below median its 10-year median of 0.23)
GF Value™: 円1,102.73 vs. price of 円1,452.00 (31.7% above fair value)
Industry Position: 88.9% below the Oil & Gas median (#82 of 807)
No single metric tells the full story. See the TSE:6239 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Nagaoka International Corp is engaged in the manufacturing and sale of equipment and systems for energy and water-related industries. The company has two reportable segments: energy-related business and water-related business. The energy-related business focuses on producing screen internals and internal equipment for oil refineries and petrochemical plants. The water-related business is involved in the manufacture and sale of water intake screens, Chemiless and Hisys systems, and the construction of water treatment plants. It generates the majority of its revenue from the Energy-related business segment.
59GF Score
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