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Idemitsu Kosan CoIDKOF 68 Net-Net Working Capital is $-9.72 as of Mar. 2026. GuruFocus rates IDKOF with a GF Score™ of 68/100 and a GF Value™ of $6.70 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 193 Oil & Gas companies, Idemitsu Kosan Co ranks worse than 518134.2% on this metric.
In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full. In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. This is a conservative way of estimating the company's value.
Idemitsu Kosan Co's Net-Net Working Capital for the quarter that ended in Mar. 2026 was $-9.72.
The industry rank for Idemitsu Kosan Co's Net-Net Working Capital or its related term are showing as below:
IDKOF's Price-to-Net-Net-Working-Capital is not ranked *
in the Oil & Gas industry.
Industry Median: 6.63 * Ranked among companies with meaningful Price-to-Net-Net-Working-Capital only.
Idemitsu Kosan Co (OTCPK:IDKOF) Net-Net Working Capital Explanation
One research study, covering the years 1970 through 1983 showed that portfolios picked at the beginning of each year, and held for one year, returned 29.4 percent, on average, over the 13-year period, compared to 11.5 percent for the S&P 500 Index. Other studies of Graham's strategy produced similar results.
Benjamin Graham looked for companies whose market values were less than two-thirds of their net-net value. They are collected under our Net-Net screener.
Idemitsu Kosan Co Net-Net Working Capital Related Terms
Idemitsu Kosan Co Net-Net Working Capital Historical Data
* Premium members only.
The historical data trend for Idemitsu Kosan Co's Net-Net Working Capital 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.
IDKOF vs VLO, MPC, PSX: Net-Net Working Capital Comparison
For the Oil & Gas Refining & Marketing subindustry, Idemitsu Kosan Co's Price-to-Net-Net-Working-Capital, along with its competitors' market caps and Price-to-Net-Net-Working-Capital 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 Price-to-Net-Net-Working-Capital vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Idemitsu Kosan Co's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where Idemitsu Kosan Co's Price-to-Net-Net-Working-Capital 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 calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full.
In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. In "Security Analysis", preferred stock is dubbed "an imperfect creditorship position" that is best placed on the balance sheet alongside funded debt.
This is a conservative way of estimating the company's value.
What does a Net-Net Working Capital of $-9.72 mean?
Idemitsu Kosan Co (IDKOF) has a Net-Net Working Capital of $-9.72 as of Mar. 2026. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Idemitsu Kosan Co According to the industry distribution chart, Idemitsu Kosan Co ranks #999999 out of 193 companies in the Oil & Gas industry.
Is Idemitsu Kosan Co's Net-Net Working Capital too high?
Idemitsu Kosan Co's current Net-Net Working Capital is $-9.72. Based on the distribution chart, Idemitsu Kosan Co ranks #999999 out of 193 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Idemitsu Kosan Co has a GF Score™ of 68/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Idemitsu Kosan Co's Net-Net Working Capital compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Idemitsu Kosan Co ranks #999999 out of 193 companies for Net-Net Working Capital. This places Idemitsu Kosan Co in the lower half of its industry. The industry median Net-Net Working Capital is 6.63. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net-Net Working Capital for an Oil & Gas company?
The median Net-Net Working Capital among Oil & Gas companies is 6.63, based on 193 companies in the industry. Companies in the top quartile (top 25%) have a Net-Net Working Capital significantly above this median, while those in the bottom quartile fall well below. However, Net-Net Working Capital 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 Net-Net Working Capital mean?
A high Net-Net Working Capital can signal that a stock is expensive relative to its fundamentals. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Idemitsu Kosan Co For the Oil & Gas industry, the median Net-Net Working Capital is 6.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Idemitsu Kosan Co's current Net-Net Working Capital is $-9.72. 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 $6.70, compared to a current price of $7.50 — trading 11.9% above its estimated fair value. The current Net-Net Working Capital is $-9.72. Idemitsu Kosan Co's overall GF Score™ is 68/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net-Net Working Capital calculated?
Net-Net Working Capital is calculated from a company's financial statements. For Idemitsu Kosan Co (IDKOF), the current Net-Net Working Capital is $-9.72 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 $7.50 is trading 11.9% above its estimated GF Value™ of $6.70.
GuruFocus considers Idemitsu Kosan Co to be Modestly Overvalued.
Key valuation signals for IDKOF:
Net-Net Working Capital: $-9.72
GF Value™: $6.70 vs. price of $7.50 (11.9% above fair value)
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.
68GF Score
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