Idemitsu Kosan Co.,Ltd. (IDKOY) Stock Analysis
Educational signal · not a buy or sell recommendation · How to read this
P/E 5.22 means the share price is 5.22 times one year of earnings per share; the S&P 500 usually sits near 20-25. Market cap $12.7B is the value of all shares combined.
For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated Mar 16, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR
Quick AnswerIdemitsu Kosan Co.,Ltd. (IDKOY) trades at $21.18. Idemitsu Kosan Co.,Ltd. is a diversified Japanese company operating in the energy, chemicals, and materials sectors. Market cap: $12.7B, Sector: Energy.
Price as of Sep 11, 2026 · Last analyzed: Mar 16, 2026Analyst Coverage for IDKOY: IDKOY does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates IDKOY against Energy peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.
These figures come from statements filed 12 months ago — the most recent this company has published.
IDKOY: the 2 scored disciplines are evenly split. Dominant signal: Ray Dalio bullish.
How is this calculated? →AI simulations built from the named investors' published principles. Not affiliated with, endorsed by, or the opinion of these individuals. How these lenses are built
Idemitsu Kosan Co.,Ltd. (IDKOY) Energy Operations & Outlook
Idemitsu Kosan Co.,Ltd., founded in 1911, is a Japanese conglomerate with a global presence in petroleum, basic chemicals, functional materials, power, renewable energy, and resources. The company distinguishes itself through its diversified portfolio and integrated value chain, serving markets across Asia, Oceania, North America, and beyond.
What Is the Investment Thesis for IDKOY?
Idemitsu Kosan Co.,Ltd. presents a diversified investment opportunity within the energy and materials sectors. The company's integrated business model, spanning from upstream resource exploration to downstream product sales, provides resilience against market volatility. Growth catalysts include increasing demand for sustainable aviation fuel and renewable energy solutions, aligning with global decarbonization trends. However, investors may want to evaluate the company's debt-to-equity ratio of 89.38 and the cyclical nature of the oil and gas industry. The company's expansion into renewable energy offers long-term growth potential, while its established petroleum business provides a stable revenue stream. Monitoring the company's progress in developing and commercializing new technologies in functional materials and renewable energy will be crucial for assessing its future performance.
Based on FMP financials and quantitative analysis
IDKOY Key Highlights
Idemitsu Kosan operates across five segments: Petroleum, Basic Chemicals, Functional Materials, Power & Renewable Energy, and Resources, providing diversification.
- The company is involved in the production and sale of sustainable aviation fuel, aligning with the growing demand for environmentally friendly fuels.
- Idemitsu Kosan engages in power generation from thermal, solar, and wind power, contributing to the renewable energy sector.
- The company's Resources segment is involved in the exploration, development, and production of crude oil, natural gas, and coal.
- Idemitsu Kosan has a global presence, serving markets in Japan, Asia, Oceania, North America, and internationally.
Who Are IDKOY's Competitors?
IDKOY is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.
| Company | Price | Change | Market Cap | MoonshotScore |
|---|---|---|---|---|
| XOM Exxon Mobil Corporation | $165.54 | +0.19% | $686B | 705-pillar |
| CVX Chevron Corporation | $214.05 | +0.61% | $426B | 705-pillar |
| SHEL Shell plc | $96.77 | +0.84% | $270B | 875-pillar |
| APC ARKO Petroleum Corp. Class A Common Stock | $18.87 | +0.70% | $11.3B | 555-pillar |
| SUN Sunoco LP | $76.29 | -0.07% | $10.4B | 675-pillar |
| PBF PBF Energy Inc. | $79.82 | +3.55% | $9.46B | 965-pillar |
| DINO HF Sinclair Corporation | $107.72 | -0.39% | $19.2B | 985-pillar |
| UGP Ultrapar Participações S.A. | $7.46 | -1.39% | $7.97B | 965-pillar |
AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance
What Are IDKOY's Key Strengths?
Diversified business portfolio across energy, chemicals, and materials.
- Integrated value chain from resource exploration to product sales.
- Established brand and reputation in Japan and other markets.
- Investments in renewable energy and sustainable technologies.
What Are IDKOY's Weaknesses?
High debt-to-equity ratio of 89.38.
- Exposure to cyclical fluctuations in oil and gas prices.
- Dependence on fossil fuels for a significant portion of revenue.
- OTC market trading may limit investor access and liquidity.
What Could Drive IDKOY Stock Higher?
Increasing demand for sustainable aviation fuel (SAF) driving revenue growth in the Petroleum segment.
- Expansion of renewable energy projects, including solar, wind, and geothermal power generation.
- Development and commercialization of advanced materials and performance chemicals in the Functional Materials segment.
- Potential government incentives and regulations supporting renewable energy projects.
- Strategic partnerships and acquisitions to expand market share and technological capabilities.
What Are the Key Risks for IDKOY?
Cyclical fluctuations in oil and gas prices impacting profitability.
- Increasing competition from renewable energy providers.
- Environmental regulations and carbon taxes increasing operating costs.
- Geopolitical risks and supply chain disruptions affecting resource exploration and production.
- High debt-to-equity ratio of 89.38 increasing financial risk.
What Are the Growth Opportunities for IDKOY?
- Expansion in Sustainable Aviation Fuel (SAF): The increasing demand for SAF presents a significant growth opportunity for Idemitsu Kosan. Airlines are under pressure to reduce their carbon emissions, driving demand for SAF. Idemitsu Kosan's involvement in the production and sale of SAF positions it to capitalize on this trend. The SAF market is projected to grow significantly over the next decade, offering substantial revenue potential.
- Renewable Energy Investments: Idemitsu Kosan's investments in solar, wind, and geothermal power generation provide a pathway for long-term growth. As governments and corporations set ambitious renewable energy targets, the demand for renewable energy sources is expected to increase. The company's existing infrastructure and expertise in energy production can be leveraged to expand its renewable energy portfolio.
- Functional Materials Innovation: The Functional Materials segment offers growth opportunities through the development and commercialization of advanced materials and performance chemicals. These materials are used in various industries, including electronics, automotive, and agriculture. Idemitsu Kosan's focus on innovation and product development can drive growth in this segment.
- Geothermal Power Generation: The Resources segment's involvement in geothermal power generation presents a unique growth opportunity. Geothermal energy is a renewable and reliable energy source. Idemitsu Kosan's expertise in resource exploration and development can be applied to expand its geothermal power generation capacity.
- Global Market Expansion: Idemitsu Kosan's international presence provides opportunities for growth in emerging markets. As developing countries increase their energy consumption and industrial activity, the demand for petroleum products, chemicals, and materials is expected to rise. The company can leverage its existing infrastructure and partnerships to expand its market share in these regions.
What Are IDKOY's Competitive Advantages?
- Integrated operations: The company's integrated value chain provides cost advantages and supply chain control.
- Diversified business: Its diversified portfolio reduces reliance on any single market or product.
- Established brand: Idemitsu Kosan has a long-standing reputation and brand recognition in Japan and other markets.
- Technological expertise: The company has a strong track record of innovation and product development in functional materials and renewable energy.
What Does IDKOY Do?
Idemitsu Kosan Co.,Ltd., established in 1911, has evolved from a petroleum company into a diversified conglomerate. Headquartered in Chiyoda, Japan, the company operates across multiple segments, including petroleum, basic chemicals, functional materials, power and renewable energy, and resources. The Petroleum segment focuses on the production, sale, import, export, and trading of refined petroleum products, including sustainable aviation fuel, synthetic fuel, bio mixed fuel, and carbon offset fuel. It also operates service stations offering car wash, vehicle inspection, and maintenance services. The Basic Chemicals segment manufactures and sells olefin and aromatic products such as ethylene, propylene, paraxylene, and styrene monomer. The Functional Materials segment provides lubricants, advanced materials, performance chemicals, electronic materials, bitumen, functional paving materials, and agricultural biotechnology products. The Power and Renewable Energy segment is involved in power generation from thermal, solar, and wind sources, electricity sales, and the solar cell business. The Resources segment focuses on the exploration, development, production, and sale of crude oil, natural gas, and coal, as well as geothermal power generation. Idemitsu Kosan has a global presence, serving markets in Japan, Asia, Oceania, North America, and internationally.
What Products and Services Does IDKOY Offer?
- Refines and markets petroleum products, including gasoline, diesel, and jet fuel.
- Produces and sells basic chemicals such as ethylene, propylene, and paraxylene.
- Develops and manufactures functional materials, including lubricants, advanced materials, and performance chemicals.
- Generates power from thermal, solar, and wind sources.
- Explores, develops, and produces crude oil, natural gas, and coal.
- Engages in geothermal power generation.
How Does IDKOY Make Money?
- Integrated value chain: Operates across the energy value chain, from resource exploration to product sales.
- Diversified portfolio: Engages in multiple business segments, including petroleum, chemicals, materials, and energy.
- Global presence: Serves markets in Japan, Asia, Oceania, North America, and internationally.
What Industry Does IDKOY Operate In?
Idemitsu Kosan operates in the energy sector, which is undergoing a significant transformation driven by the shift towards renewable energy sources and increasing environmental concerns. The oil and gas refining and marketing industry is characterized by intense competition and cyclical demand. Companies are increasingly focusing on sustainability and reducing their carbon footprint. Idemitsu Kosan's diversification into renewable energy and functional materials positions it to capitalize on these trends. The company faces competition from both domestic and international players in each of its business segments.
Who Are IDKOY's Key Customers?
- Automobile owners who purchase gasoline and other petroleum products at service stations.
- Chemical companies that use basic chemicals as raw materials.
- Manufacturers who use functional materials in their products.
- Utilities that purchase electricity generated by Idemitsu Kosan.
- Industrial companies that require crude oil, natural gas, and coal.
Research confidence
Enough evidence to be useful, with gaps worth knowing about.
- ● Scoring coverage unknown
- ● Price is current
- ● Latest filing 73 days ago
- ● No analyst coverage
- ● Reported in JPY, converted to USD
MoonshotScore History
Recorded daily since 2026-08-23 · 20 snapshots
| 2026-08-23 | 49 |
| 2026-08-27 | 49 |
| 2026-08-31 | 49 |
| 2026-09-04 | 49 |
| 2026-09-08 | 49 |
| 2026-09-11 | 49 |
What changed?
The score has stayed at 49.
Over the same 19 days the stock moved +18.3%.
Company Profile
Idemitsu Kosan Co.,Ltd. operates in the Oil & Gas Refining & Marketing industry within the Energy sector. It is headquartered in Tokyo, JP. The company is led by CEO Noriaki Sakai. IDKOY has traded publicly since 2012.
Idemitsu Kosan Co.,Ltd. Financial Trajectory
Idemitsu Kosan Co.,Ltd. (IDKOY) reported $14.98B in revenue for Q1 FY2027, reflecting 4.6% growth compared to the prior quarter. The company recorded net income of $1.43B, with diluted EPS of $2.37. Revenue has increased across the last three reported quarters, suggesting sustained momentum for this large-cap Energy company. Across the four most recent quarters, IDKOY averaged $1.04 in diluted EPS.
How Idemitsu Kosan Co.,Ltd. Is Valued
Idemitsu Kosan Co.,Ltd. carries a market capitalization of $12.7B, placing it in the large-cap category.
Key Financial Metrics
Return on equity for Idemitsu Kosan Co.,Ltd. stands at 9.7%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is 3.2%, showing how much profit it generates from its asset base. IDKOY trades at a trailing price-to-earnings ratio of 5.22, below the Energy sector average of ~15.80x. A current ratio of 1.26 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is 11.8%, the inverse of the P/E and a quick read on earnings relative to price.
Financial Health
Idemitsu Kosan Co.,Ltd.'s Piotroski F-Score is 4/9, a 9-point checklist of profitability, leverage and efficiency — a middling fundamental profile. Its Altman Z-Score of 2.39 places it in the grey zone, a middle ground that warrants monitoring.
IDKOY Financials
Fundamental Snapshot
Based on FMP financials and quantitative analysis · FY 2026
Bull Case vs Bear Case
Bull Case
- Diversified business portfolio across energy, chemicals, and materials.
- Integrated value chain from resource exploration to product sales.
- Established brand and reputation in Japan and other markets.
- Investments in renewable energy and sustainable technologies.
Bear Case
- High debt-to-equity ratio of 89.38.
- Exposure to cyclical fluctuations in oil and gas prices.
- Dependence on fossil fuels for a significant portion of revenue.
- OTC market trading may limit investor access and liquidity.
AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026
Recent Quarterly Results
| Quarter | Revenue | Net Income | EPS |
|---|---|---|---|
| Q1 FY2027 | $14.98B | $1.43B | $2.37 |
| Q4 FY2026 | $14.32B | $791M | $1.29 |
| Q3 FY2026 | $14.17B | $109M | $0.18 |
| Q2 FY2026 | $12.99B | $204M | $0.33 |
Q1 FY2027 · filed 30 Jun 2026 · SEC EDGAR →
Based on FMP financials and quantitative analysis · Converted to USD from JPY at today's rate
IDKOY Latest News
No recent news available for IDKOY.
IDKOY Analyst Consensus
Consensus Rating
Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for IDKOY.
Price Targets
Wall Street price target analysis for IDKOY.
IDKOY MoonshotScore
MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for IDKOY; grades run from A+ (80-100) to F (below 30).
Idemitsu Kosan Co.,Ltd. ADR Information Unsponsored
Idemitsu Kosan Co.,Ltd. (IDKOY) trades in the U.S. as an American Depositary Receipt (ADR).
- ADR Level: 1
- ADR Ratio: 1:1
- Home Market Ticker: IDKO
IDKOY OTC Market Information
The OTC Other tier represents the lowest tier of the OTC market, indicating that Idemitsu Kosan Co.,Ltd. may not meet the minimum financial standards or reporting requirements of higher tiers like OTCQX or OTCQB. Companies in this tier may have limited financial disclosure, making it more difficult for investors to assess their financial health and operational performance. Trading on the OTC Other tier typically involves higher risks due to the lack of regulatory oversight and the potential for limited liquidity.
- OTC Tier: OTC Other
- Limited financial disclosure due to the OTC Other tier.
- Lower liquidity compared to stocks listed on major exchanges.
- Potential for wider bid-ask spreads and price volatility.
- Higher risk of fraud or manipulation due to less regulatory oversight.
- Limited access to company information and management.
- Verify the company's financial statements and SEC filings (if any).
- Research the company's management team and their track record.
- Assess the company's business model and competitive landscape.
- Evaluate the company's growth prospects and potential risks.
- Check for any regulatory actions or legal issues involving the company.
- Consult with a financial advisor before investing.
- Understand the risks associated with OTC trading.
- The company has been in operation since 1911, indicating a long history.
- Idemitsu Kosan has a global presence and serves markets in multiple countries.
- The company operates in multiple business segments, providing diversification.
- Idemitsu Kosan is involved in renewable energy and sustainable technologies.
- The company has a market capitalization of $12.7B.
Common Questions About IDKOY (Energy)
Is IDKOY a good stock?
Stock Expert AI does not rate IDKOY buy, sell or hold. Idemitsu Kosan Co.,Ltd. has no MoonshotScore yet; read the financial checkup, analyst consensus and risks directly. Whether it fits is your call: check what it sells, whether it earns, what the price assumes, and what would prove you wrong.
What are Idemitsu Kosan Co.,Ltd.'s environmental and sustainability commitments?
Idemitsu Kosan Co.,Ltd. is increasingly focused on its environmental and sustainability commitments, with a stated goal of reducing its carbon footprint and promoting a circular economy.
What are the key factors to evaluate for IDKOY?
Evaluate IDKOY on fundamentals, analyst consensus, and risk factors. P/E: 5.22x vs the S&P 500's ~20-25x. Idemitsu Kosan Co.,Ltd. Not financial advice.
How frequently does IDKOY data refresh on this page?
IDKOY's price was last updated on Sep 11, 2026 and refreshes on page view during U.S. market hours; the quote is a provider snapshot, not an exchange feed. Fundamentals follow quarterly filings. V2 calculations are scheduled daily at 10:15 UTC; the score's own date shows its last successful run.
What has driven IDKOY's recent stock price performance?
Idemitsu Kosan Co.,Ltd. (IDKOY) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Diversified business portfolio across energy, chemicals, and materials. See the News tab for the latest drivers. Past performance does not predict future results.
Should investors consider IDKOY overvalued or undervalued right now?
Idemitsu Kosan Co.,Ltd. (IDKOY) trades at 5.22x earnings. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.
Can I buy fractional shares of IDKOY?
Yes, most major brokerages offer fractional shares of Idemitsu Kosan Co.,Ltd. (IDKOY) with no minimum purchase requirement. This means you can invest any dollar amount regardless of the share price. Check your brokerage platform for specific terms, fees, and fractional share availability.
How can I track IDKOY's earnings and financial reports?
Idemitsu Kosan Co.,Ltd. (IDKOY) reports quarterly earnings approximately 4-6 weeks after each fiscal quarter ends. You can track earnings dates, revenue and EPS estimates, and actual results on this page's Financials tab. Earnings surprises (beats or misses) often cause significant short-term price moves. Your brokerage can send alerts for IDKOY earnings announcements.
Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.
Official Resources
No publishable V2 score is available for this stock yet.
Data provided for informational purposes only.
- OTC stock data may have limited availability and accuracy.
- Analyst coverage may be limited due to OTC listing.