Idemitsu Kosan CoIDKOF 67 Interest Coverage is 35.04 as of Mar. 2026, which is 105% above its 10-year median of 17.10. GuruFocus rates IDKOF with a GF Score™ of 67/100 and a GF Value™ of $6.72 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 728 Oil & Gas companies, Idemitsu Kosan Co ranks better than 66.76% 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. Idemitsu Kosan Co's
Operating Income
for the
three
months ended in Mar. 2026 was $1,106 Mil. Idemitsu Kosan Co's Interest Expense for the
three
months ended in Mar. 2026 was $-32 Mil.
Idemitsu Kosan Co's interest coverage for the quarter that ended in Mar. 2026 was 35.04.
The higher the ratio, the stronger the company's financial strength is.
The historical rank and industry rank for Idemitsu Kosan Co's Interest Coverage or its related term are showing as below:
IDKOF'
s Interest Coverage Range Over the Past 10 Years
Min: 9.69 Med: 17.1 Max: 38.77
Current: 11.73
IDKOF's Interest Coverage is ranked better than 66.76% of 728
companies
in the Oil & Gas industry
Industry Median: 5.885
vs IDKOF: 11.73
Idemitsu Kosan Co (OTCPK:IDKOF) 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 .
Idemitsu Kosan Co Interest Coverage Related Terms
Idemitsu Kosan Co Interest Coverage Historical Data
* Premium members only.
The historical data trend for Idemitsu Kosan Co'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.
IDKOF vs VLO, MPC, PSX: Interest Coverage Comparison
For the Oil & Gas Refining & Marketing subindustry, Idemitsu Kosan Co'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.
Idemitsu Kosan Co Interest Coverage vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Idemitsu Kosan Co's Interest Coverage distribution charts can be found below:
* The bar in red indicates where Idemitsu Kosan Co's Interest Coverage falls into.
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.
Idemitsu Kosan Co (IDKOF) has a Interest Coverage of 35.04 as of Mar. 2026. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Idemitsu Kosan Co and its competitors. This is 105% above median its historical median of 17.10. Over the past decade, Idemitsu Kosan Co's Interest Coverage has ranged from 9.69 to 38.77. According to the industry distribution chart, Idemitsu Kosan Co ranks #242 out of 728 companies in the Oil & Gas industry, placing it in the top 33.2%.
Is Idemitsu Kosan Co's Interest Coverage too high?
Idemitsu Kosan Co's current Interest Coverage of 35.04 is 105% above median its 10-year median of 17.10. Over the past 10 years, this metric has ranged from a low of 9.69 to a high of 38.77. The Oil & Gas industry median Interest Coverage is 5.89. Idemitsu Kosan Co's value of 35.04 is 495.4% above this industry median. Based on the distribution chart, Idemitsu Kosan Co ranks #242 out of 728 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Idemitsu Kosan Co has a GF Score™ of 67/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Idemitsu Kosan Co's Interest Coverage compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Idemitsu Kosan Co ranks #242 out of 728 companies for Interest Coverage. This puts Idemitsu Kosan Co in the upper half of its industry. The industry median Interest Coverage is 5.89. Idemitsu Kosan Co's value of 35.04 is 495.4% above this benchmark. Historically, Idemitsu Kosan Co's own Interest Coverage has ranged from 9.69 to 38.77 over the past decade. While the company's 10-year median is 17.10 vs. the industry median of 5.89, Idemitsu Kosan Co 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 5.89, based on 728 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. Idemitsu Kosan Co's current Interest Coverage of 35.04 is 495.4% 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 Idemitsu Kosan Co and its competitors. For the Oil & Gas industry, the median Interest Coverage is 5.89 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Idemitsu Kosan Co's current Interest Coverage is 35.04, which is 105% above median its own 10-year median of 17.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Idemitsu Kosan Co stock overvalued right now?
Based on GuruFocus' analysis, Idemitsu Kosan Co (IDKOF) is currently considered Modestly Overvalued. The stock's GF Value™ is $6.72, compared to a current price of $8.01 — trading 19.2% above its estimated fair value. The current Interest Coverage is 35.04, which is 105% above median its 10-year median of 17.10 and 495.4% above the Oil & Gas industry median of 5.89. Idemitsu Kosan Co's overall GF Score™ is 67/100 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 Idemitsu Kosan Co (IDKOF), the current Interest Coverage is 35.04 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 Idemitsu Kosan Co (IDKOF) Overvalued in 2026?
Based on GuruFocus' analysis, Idemitsu Kosan Co stock appears to be overvalued.
The current stock price of $8.01 is trading 19.2% above its estimated GF Value™ of $6.72.
GuruFocus considers Idemitsu Kosan Co to be Modestly Overvalued.
Key valuation signals for IDKOF:
Interest Coverage: 35.04 (105% above median its 10-year median of 17.10)
GF Value™: $6.72 vs. price of $8.01 (19.2% above fair value)
Industry Position: 495.4% above the Oil & Gas median (#242 of 728)
No single metric tells the full story. See the IDKOF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Idemitsu Kosan Co Ltd engages in a variety of activities globally that include petroleum products, oil exploration and production, coal, and other businesses. The company operates through five segments. The Basic Chemicals segment makes and sells olefins and aroma products. Electricity/Renewable Energy covers thermal, solar, and wind power generation, electricity sales, and solar business. Fuel Oil handles production, trading, and import/export of refined petroleum. The Highly Functional Materials segment includes lubricants, chemicals, electronic materials, paving materials, and agri-bio. The Resource segment explores, develops, and sells crude oil, natural gas, and coal. Others cover insurance and intra-group services. It generates the majority of its revenue from the Fuel oil segment.
67GF Score
Get the complete analysis for IDKOF
Interest Coverage is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
IDKOF has been successfully added to your 
