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Nagaoka International (TSE:6239) ROE % Explanation
ROE % measures the rate of return on the ownership interest (shareholder's equity) of the common stock owners. It measures a firm's efficiency at generating profits from every unit of shareholders' equity (also known as net assets or assets minus liabilities). ROE % shows how well a company uses investment funds to generate earnings growth. ROE %s between 15% and 20% are considered desirable.
The factors that affect a company's ROE % can be illustrated with the three-step DuPont Analysis:
Note:
The net income data used here is four times the quarterly (Mar. 2026) net income data. The Revenue data used here is four times the quarterly (Mar. 2026) revenue data. The same rule applies to Pre-Tax Income and Operating Income.
* In the five-step DuPont Analysis, Operating Income is only available for non-financial companies. Thus, for Insurance companies, we use EBIT as a substitution of Operating Income. For Banks, both Operating Income and EBIT is unavailable. Thus we combined Interest Burden and Operating Margin % into Pretax Margin %, and the DuPont Analysis is divided into four components instead.
* 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.
Be Aware
Net Income is used.
Because a company can increase its ROE % by having more financial leverage, it is important to watch the equity multiplier when investing in high ROE % companies. Like ROA %, ROE % is calculated with only 12 months data. Fluctuations in company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.
Asset light businesses require very few assets to generate very high earnings. Their ROE %s can be extremely high.
* 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 Oil & Gas Refining & Marketing subindustry, Nagaoka International's ROE %, along with its competitors' market caps and ROE % 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 ROE % vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Nagaoka International's ROE % distribution charts can be found below:
* The bar in red indicates where Nagaoka International's ROE % 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 ROE %, the net income of the last fiscal year and the average total shareholder equity over the fiscal year are used. In calculating the quarterly data,
the net income data used here is four times the quarterly (Mar. 2026) net income data.
ROE % is displayed in the 30-year financial page.
Nagaoka International (TSE:6239) has a ROE % of 6.84% as of Mar. 2026. Return on equity is the ratio of current-period net income to average two-period total equity. View historical data on Nagaoka International and its competitors. This is 58% below median its historical median of 16.25. According to the industry distribution chart, Nagaoka International ranks #552 out of 962 companies in the Oil & Gas industry, placing it in the top 57.4%.
Is Nagaoka International's ROE % too high?
Nagaoka International's current ROE % of 6.84% is 58% below median its 10-year median of 16.25. The Oil & Gas industry median ROE % is 7.14. Nagaoka International's value of 6.84% is 4.2% below this industry median. Based on the distribution chart, Nagaoka International ranks #552 out of 962 companies in the Oil & Gas industry, which is below the industry midpoint. 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 ROE % compare to MPC and VLO?
According to the Oil & Gas industry distribution chart, Nagaoka International ranks #552 out of 962 companies for ROE %. This places Nagaoka International in the lower half of its industry. The industry median ROE % is 7.14. Nagaoka International's value of 6.84% is 4.2% below this benchmark. While the company's 10-year median is 16.25 vs. the industry median of 7.14, 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 ROE % for an Oil & Gas company?
The median ROE % among Oil & Gas companies is 7.14, based on 962 companies in the industry. Companies in the top quartile (top 25%) have a ROE % significantly above this median, while those in the bottom quartile fall well below. However, ROE % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Nagaoka International's current ROE % of 6.84% is 4.2% 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 ROE % mean?
A high ROE % can signal that a stock is expensive relative to its fundamentals. Return on equity is the ratio of current-period net income to average two-period total equity. View historical data on Nagaoka International and its competitors. For the Oil & Gas industry, the median ROE % is 7.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nagaoka International's current ROE % is 6.84%, which is 58% below median its own 10-year median of 16.25. 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1,102.65, compared to a current price of 円1,452.00 — trading 31.7% above its estimated fair value. The current ROE % is 6.84%, which is 58% below median its 10-year median of 16.25 and 4.2% below the Oil & Gas industry median of 7.14. 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 ROE % calculated?
ROE % is calculated from a company's financial statements. For Nagaoka International (TSE:6239), the current ROE % is 6.84% 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1,102.65.
GuruFocus considers Nagaoka International to be Significantly Overvalued.
Key valuation signals for TSE:6239:
ROE %: 6.84% (58% below median its 10-year median of 16.25)
GF Value™: 円1,102.65 vs. price of 円1,452.00 (31.7% above fair value)
Industry Position: 4.2% below the Oil & Gas median (#552 of 962)
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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