IDKOF (Idemitsu Kosan Co) Beneish M-Score: -2.69 (As of Jun. 25, 2026)


IDKOF Idemitsu Kosan Co Ltd IDKOF
67 GF Score
Price $8.01
GF Value $6.72
Valuation Modestly Overvalued
! 4 Warning Signs
View Full Analysis

What is Idemitsu Kosan Co Beneish M-Score?

Idemitsu Kosan Co IDKOF 67 Beneish M-Score is -2.69 as of Jun. 25, 2026. 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 822 Oil & Gas companies, Idemitsu Kosan Co ranks better than 51.58% on this metric.

The zones of discrimination for M-Score is as such:

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator.
An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Good Sign:

Beneish M-Score -2.69 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

The historical rank and industry rank for Idemitsu Kosan Co's Beneish M-Score or its related term are showing as below:

IDKOF' s Beneish M-Score Range Over the Past 10 Years
Min: -2.72   Med: -2.36   Max: -1.81
Current: -2.69

During the past 13 years, the highest Beneish M-Score of Idemitsu Kosan Co was -1.81. The lowest was -2.72. And the median was -2.36.


Idemitsu Kosan Co Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Idemitsu Kosan Co's Beneish M-Score 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.

Idemitsu Kosan Co Beneish M-Score Chart

Idemitsu Kosan Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Beneish M-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only -2.05 -1.81 -2.63 -2.72 -2.69

Idemitsu Kosan Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Beneish M-Score Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -2.72 0.00 0.00 0.00 -2.69

IDKOF vs VLO, MPC, PSX: Beneish M-Score Comparison

For the Oil & Gas Refining & Marketing subindustry, Idemitsu Kosan Co's Beneish M-Score, along with its competitors' market caps and Beneish M-Score 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 Beneish M-Score vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Idemitsu Kosan Co's Beneish M-Score distribution charts can be found below:

* The bar in red indicates where Idemitsu Kosan Co's Beneish M-Score falls into.


IDKOF
67GF Score
Idemitsu Kosan Co Ltd IDKOF
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Idemitsu Kosan Co Beneish M-Score Calculation

The M-score was created by Professor Messod Beneish. Instead of measuring the bankruptcy risk (Altman Z-Score) or business trend (Piotroski F-Score), M-score can be used to detect the risk of earnings manipulation. This is the original research paper on M-score.

The M-Score Variables:

The M-score of Idemitsu Kosan Co for today is based on a combination of the following eight different indices:

M=-4.84+0.92 * DSRI+0.528 * GMI+0.404 * AQI+0.892 * SGI+0.115 * DEPI
=-4.84+0.92 * 1.2025+0.528 * 0.8059+0.404 * 1.001+0.892 * 0.8285+0.115 * 1.102
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 1+4.679 * -0.041382-0.327 * 1.0086
=-2.73

* 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.

This Year (Mar26) TTM:Last Year (Mar25) TTM:
Total Receivables was $7,460 Mil.
Revenue was $51,082 Mil.
Gross Profit was $4,755 Mil.
Total Current Assets was $18,689 Mil.
Total Assets was $33,581 Mil.
Property, Plant and Equipment(Net PPE) was $9,601 Mil.
Depreciation, Depletion and Amortization(DDA) was $662 Mil.
Selling, General, & Admin. Expense(SGA) was $0 Mil.
Total Current Liabilities was $14,818 Mil.
Long-Term Debt & Capital Lease Obligation was $3,744 Mil.
Net Income was $1,083 Mil.
Gross Profit was $0 Mil.
Cash Flow from Operations was $2,473 Mil.
Total Receivables was $7,488 Mil.
Revenue was $61,656 Mil.
Gross Profit was $4,625 Mil.
Total Current Assets was $17,777 Mil.
Total Assets was $32,039 Mil.
Property, Plant and Equipment(Net PPE) was $9,218 Mil.
Depreciation, Depletion and Amortization(DDA) was $705 Mil.
Selling, General, & Admin. Expense(SGA) was $0 Mil.
Total Current Liabilities was $14,071 Mil.
Long-Term Debt & Capital Lease Obligation was $3,488 Mil.




1. DSRI = Days Sales in Receivables Index

Measured as the ratio of Revenue in Total Receivables in year t to year t-1.

A large increase in DSR could be indicative of revenue inflation.

DSRI=(Receivables_t / Revenue_t) / (Receivables_t-1 / Revenue_t-1)
=(7460.391 / 51082.386) / (7487.877 / 61655.528)
=0.146046 / 0.121447
=1.2025

2. GMI = Gross Margin Index

Measured as the ratio of gross margin in year t-1 to gross margin in year t.

Gross margin has deteriorated when this index is above 1. A firm with poorer prospects is more likely to manipulate earnings.

GMI=GrossMargin_t-1 / GrossMargin_t
=(GrossProfit_t-1 / Revenue_t-1) / (GrossProfit_t / Revenue_t)
=(4625.138 / 61655.528) / (4754.671 / 51082.386)
=0.075016 / 0.093078
=0.8059

3. AQI = Asset Quality Index

AQI is the ratio of asset quality in year t to year t-1.

Asset quality is measured as the ratio of non-current assets other than Property, Plant and Equipment to Total Assets.

AQI=(1 - (CurrentAssets_t + PPE_t) / TotalAssets_t) / (1 - (CurrentAssets_t-1 + PPE_t-1) / TotalAssets_t-1)
=(1 - (18689.334 + 9600.996) / 33581.43) / (1 - (17777.41 + 9218.061) / 32038.527)
=0.15756 / 0.157406
=1.001

4. SGI = Sales Growth Index

Ratio of Revenue in year t to sales in year t-1.

Sales growth is not itself a measure of manipulation. However, growth companies are likely to find themselves under pressure to manipulate in order to keep up appearances.

SGI=Sales_t / Sales_t-1
=Revenue_t / Revenue_t-1
=51082.386 / 61655.528
=0.8285

5. DEPI = Depreciation Index

Measured as the ratio of the rate of Depreciation, Depletion and Amortization in year t-1 to the corresponding rate in year t.

DEPI greater than 1 indicates that assets are being depreciated at a slower rate. This suggests that the firm might be revising useful asset life assumptions upwards, or adopting a new method that is income friendly.

DEPI=(Depreciation_t-1 / (Depreciaton_t-1 + PPE_t-1)) / (Depreciation_t / (Depreciaton_t + PPE_t))
=(704.922 / (704.922 + 9218.061)) / (661.578 / (661.578 + 9600.996))
=0.071039 / 0.064465
=1.102

Note: If the Depreciation, Depletion and Amortization data is not available, we assume that the depreciation rate is constant and set the Depreciation Index to 1.

6. SGAI = Sales, General and Administrative expenses Index

The ratio of Selling, General, & Admin. Expense(SGA) to Sales in year t relative to year t-1.

SGA expenses index > 1 means that the company is becoming less efficient in generate sales.

SGAI=(SGA_t / Sales_t) / (SGA_t-1 /Sales_t-1)
=(0 / 51082.386) / (0 / 61655.528)
=0 / 0
=1

7. LVGI = Leverage Index

The ratio of total debt to Total Assets in year t relative to yeat t-1.

An LVGI > 1 indicates an increase in leverage

LVGI=((LTD_t + CurrentLiabilities_t) / TotalAssets_t) / ((LTD_t-1 + CurrentLiabilities_t-1) / TotalAssets_t-1)
=((3743.867 + 14818.314) / 33581.43) / ((3487.773 + 14071.117) / 32038.527)
=0.552751 / 0.548055
=1.0086

8. TATA = Total Accruals to Total Assets

Total accruals calculated as the change in working capital accounts other than cash less depreciation.

TATA=(IncomefromContinuingOperations_t - CashFlowsfromOperations_t) / TotalAssets_t
=(NetIncome_t - NonOperatingIncome_t - CashFlowsfromOperations_t) / TotalAssets_t
=(1083.382 - 0 - 2473.042) / 33581.43
=-0.041382

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator. An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Idemitsu Kosan Co has a M-score of -2.73 suggests that the company is unlikely to be a manipulator.

Frequently Asked Questions Learn more about Beneish M-Score →
What does a Beneish M-Score of -2.69 mean?
Idemitsu Kosan Co (IDKOF) has a Beneish M-Score of -2.69 as of Jun. 25, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Idemitsu Kosan Co and its competitors. According to the industry distribution chart, Idemitsu Kosan Co ranks #398 out of 822 companies in the Oil & Gas industry, placing it in the top 48.4%.
Is Idemitsu Kosan Co's Beneish M-Score too high?
Idemitsu Kosan Co's current Beneish M-Score is -2.69. Based on the distribution chart, Idemitsu Kosan Co ranks #398 out of 822 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 Beneish M-Score compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Idemitsu Kosan Co ranks #398 out of 822 companies for Beneish M-Score. This puts Idemitsu Kosan Co in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beneish M-Score for an Oil & Gas company?
A good Beneish M-Score depends on the Oil & Gas industry context. However, Beneish M-Score 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 Beneish M-Score mean?
A high Beneish M-Score can signal that a stock is expensive relative to its fundamentals. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Idemitsu Kosan Co and its competitors. Idemitsu Kosan Co's current Beneish M-Score is -2.69. 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 Beneish M-Score is -2.69. 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 Beneish M-Score calculated?
Beneish M-Score is calculated from a company's financial statements. For Idemitsu Kosan Co (IDKOF), the current Beneish M-Score is -2.69 as of Jun. 25, 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:

  • Beneish M-Score: -2.69
  • GF Value™: $6.72 vs. price of $8.01 (19.2% above fair value)
  • GF Score™: 67/100 with 4 warning signs

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 Business Description

Industry EnergyOil & Gas
Address 1-2-1 Otemachi, Chiyoda-ku, Tokyo, JPN, 100-8321
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

Beneish M-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$8.01
Price
$6.72
GF Value