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Nagaoka InternationalTSE:6239 +0.69%59 Interest Coverage is 84.09 as of Mar. 2026, which is 121% above its 10-year median of 38.10. GuruFocus rates TSE:6239 with a GF Score™ of 59/100 and a GF Value™ of 円1,102.65 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 747 Oil & Gas companies, Nagaoka International ranks better than 82.73% on this metric.
Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's
Operating Income
by its Interest Expense. Nagaoka International's
Operating Income
for the
three
months ended in Mar. 2026 was 円183 Mil. Nagaoka International's Interest Expense for the
three
months ended in Mar. 2026 was 円-2 Mil.
Nagaoka International's interest coverage for the quarter that ended in Mar. 2026 was 84.09.
The higher the ratio, the stronger the company's financial strength is.
Good Sign:
Ben Graham prefers companies' interest coverage to be at least 5. Nagaoka International Corp has enough cash to cover all of its debt. Its financial situation is stable.
The historical rank and industry rank for Nagaoka International's Interest Coverage or its related term are showing as below:
TSE:6239'
s Interest Coverage Range Over the Past 10 Years
Min: 11.29 Med: 38.1 Max: 274.99
Current: 58.01
TSE:6239's Interest Coverage is ranked better than 82.73% of 747
companies
in the Oil & Gas industry
Industry Median: 6.33
vs TSE:6239: 58.01
Nagaoka International (TSE:6239) Interest Coverage Explanation
Ben Graham requires that a company has a minimum interest coverage of 5 with the companies he invested. If the interest coverage is less than 2, the company is burdened by debt. Any business slow or recession may drag the company into a situation where it cannot pay the interest on its debt.
Interest Coverage is an important factor when GuruFocus ranks a company's overage Financial Strength .
Nagaoka International Interest Coverage Related Terms
Nagaoka International Interest Coverage Historical Data
* Premium members only.
The historical data trend for Nagaoka International's Interest Coverage 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.
Note: For Interest Coverage, "No debt" indicates no long-term debt. An indication of "No Debt" does not necessarily mean that the company has no long-term debt obligations; it could be due to missing data in the quarterly or annual report. Use caution when interpreting this information.
TSE:6239 vs MPC, VLO, PSX: Interest Coverage Comparison
For the Oil & Gas Refining & Marketing subindustry, Nagaoka International's Interest Coverage, along with its competitors' market caps and Interest Coverage 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 Interest Coverage vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Nagaoka International's Interest Coverage distribution charts can be found below:
* The bar in red indicates where Nagaoka International's Interest Coverage falls into.
Nagaoka International Interest Coverage Calculation
Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense:
* 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 Interest Coverage of 84.09 as of Mar. 2026. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Nagaoka International and its competitors. This is 121% above median its historical median of 38.10. Over the past decade, Nagaoka International's Interest Coverage has ranged from 11.29 to 274.99. According to the industry distribution chart, Nagaoka International ranks #129 out of 747 companies in the Oil & Gas industry, placing it in the top 17.3%.
Is Nagaoka International's Interest Coverage too high?
Nagaoka International's current Interest Coverage of 84.09 is 121% above median its 10-year median of 38.10. Over the past 10 years, this metric has ranged from a low of 11.29 to a high of 274.99. The Oil & Gas industry median Interest Coverage is 6.33. Nagaoka International's value of 84.09 is 1228.4% above this industry median. Based on the distribution chart, Nagaoka International ranks #129 out of 747 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 Interest Coverage compare to MPC and VLO?
According to the Oil & Gas industry distribution chart, Nagaoka International ranks #129 out of 747 companies for Interest Coverage. This places Nagaoka International in the top 17% of its industry — outperforming the majority of peers. The industry median Interest Coverage is 6.33. Nagaoka International's value of 84.09 is 1228.4% above this benchmark. Historically, Nagaoka International's own Interest Coverage has ranged from 11.29 to 274.99 over the past decade. While the company's 10-year median is 38.10 vs. the industry median of 6.33, Nagaoka International has consistently been above 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 Interest Coverage for an Oil & Gas company?
The median Interest Coverage among Oil & Gas companies is 6.33, based on 747 companies in the industry. Companies in the top quartile (top 25%) have a Interest Coverage significantly above this median, while those in the bottom quartile fall well below. However, Interest Coverage should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Nagaoka International's current Interest Coverage of 84.09 is 1228.4% above 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 Interest Coverage mean?
A high Interest Coverage can signal that a stock is expensive relative to its fundamentals. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Nagaoka International and its competitors. For the Oil & Gas industry, the median Interest Coverage is 6.33 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nagaoka International's current Interest Coverage is 84.09, which is 121% above median its own 10-year median of 38.10. 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 Interest Coverage is 84.09, which is 121% above median its 10-year median of 38.10 and 1228.4% above the Oil & Gas industry median of 6.33. 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 Interest Coverage calculated?
Interest Coverage is calculated from a company's financial statements. For Nagaoka International (TSE:6239), the current Interest Coverage is 84.09 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:
Interest Coverage: 84.09 (121% above median its 10-year median of 38.10)
GF Value™: 円1,102.65 vs. price of 円1,452.00 (31.7% above fair value)
Industry Position: 1228.4% above the Oil & Gas median (#129 of 747)
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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