Energy
Idemitsu Kosan Co.,Ltd.(IDKOF)
Live Price
Offline$8.75
+0.00% today
1Y Change
+58.23%
Window
Jun 30, 2025 โ Jun 17, 2026
- Market Cap
- $1.67T
- Revenue Growth
- +5.4%
- EPS Growth
- -51.8%
- Dividend Yield
- 2.6%
Coverage: 249 bars ยท Jun 30, 2025 โ Jun 17, 2026
Research Briefing
A compact read on the setup, peer context, quarterly changes, and recent earnings reaction.
Research Snapshot
Idemitsu Kosan Co.,Ltd. (IDKOF) is a Energy stock with a market cap of $1.67T and listed on OTC. The stock last traded around $8.75 and up 58.2% across the available one-year price window (Jun 30, 2025 โ Jun 17, 2026). Baseline metrics include revenue growth of +5.4%, EPS growth of -51.8%, a dividend yield of 2.6%. What stands out right now is revenue +5.4%, EPS -51.8%, free cash flow +27.1% with operating margin 0.9% and ROIC 0.9%. The dividend matters to the case here, with a current yield around 2.6%. Valuation already assumes a fairly strong business story at P/E 57.1 and price/sales 0.2. Overall, the current profile looks closer to a turnaround or cyclical reset than a generic broad-market placeholder. Stock Foundry combines IDKOF price history, valuation, growth, dividend context, earnings, analyst forecasts, news, related Energy peers on this page.
Sector Context
How this name stacks up against nearby peers on first-pass metrics.
Revenue Growth
Below sector median
+5.4% vs +11.2% peer median
Operating Margin
Below sector median
+0.9% vs +8.6% peer median
P/E
Above sector median
57.1 vs 7.9 peer median
What Changed This Quarter
Latest report context and the signals most likely to have changed the story.
Latest report came in below the EPS bar
Q2 2026 was reported on May 15, 2026 with an EPS surprise of -15.1%.
The operating picture looks softer than before
Revenue is at +5.4% and EPS is at -51.8%, with operating margin around 0.9%.
Shareholder return is still part of the story
The stock is still offering a dividend yield around 2.6%, which matters if the thesis depends on income as much as growth.
Earnings Reaction Memory
How the stock has tended to move after recent reports.
Across the last 3 reported quarters, the stock averaged +2.9% over the next 5 trading days and finished higher after 1 of those reports.
View quarter-by-quarter reaction table
| Quarter | EPS ฮ | 1D | 5D | 20D |
|---|---|---|---|---|
Q2 2026 May 15, 2026 | -15.1% | +0.0% | +0.0% | +0.0% |
Q1 2026 Mar 24, 2026 | -150.0% | +0.0% | +8.7% | +8.7% |
Q1 2026 Feb 6, 2026 | +93.4% | +0.0% | +0.0% | +13.5% |
Benchmark Edge
IDKOF vs SPY, QQQ, and Sector ETFs
Normalized return, excess return, max drawdown, and calendar-year wins against the benchmarks investors actually use.
Relative Read
IDKOF leads SPY
IDKOF is 38.30 pts ahead over the shared 1Y window.
Max drawdown was broadly in line with SPY.
IDKOF beat SPY in 2 of 2 calendar years shown and trailed in 0.
IDKOF
+58.23%
Normalized return
SPY
+19.93%
S&P 500
Excess Return
+38.30 pts
Relative to SPY
IDKOF Max Drawdown
-9.33%
Trailing 1Y
SPY Max Drawdown
-9.13%
Trailing 1Y
Calendar-Year Returns
Uses the longest available daily history for IDKOF and SPY.
| Year | IDKOF | SPY | Excess | Leader |
|---|---|---|---|---|
| 2026 | +15.74% | +6.71% | +9.03 pts | IDKOF |
| 2025 | +36.71% | +11.19% | +25.52 pts | IDKOF |
Company Overview
Idemitsu Kosan Co.,Ltd.
Other OTC
Idemitsu Kosan Co.,Ltd. operates in petroleum, basic chemicals, functional materials, power and renewable energy, and resources businesses in Japan and internationally. The company's Petroleum segment engages in the procurement of crude oil and refining of petroleum products; sale of gasoline, diesel oil, kerosene, automotive lubricants, industrial kerosene, heavy oil, and aviation and marine fuel; and operation of hydrogen stations. Its Basic Chemicals segment manufactures and sells olefins, such as ethylene, propylene, and butadiene; aromatics, including benzene, styrene monomer, mixed xylene, and paraxylene; and other chemicals. The company's Functional Materials segment researches, develops, manufactures, and sells automotive, industrial, and marine lubricants, as well as grease; engineering plastic, adhesive materials, derivative products, and solvents; electronic materials, such as OLED; asphalt; microbial pesticides, soil amendments, and livestock related materials; and solid state lithium ion battery materials. Its Power and Renewable Energy segment operates thermal power plants; develops and operates renewable energy sources, including solar, wind, and biomass power plants; engages in the supply, wholesale, and retail of electric power; researches, develops, and manufactures CIS thin-film solar modules; and sells solar power systems. The company's Resources segments explores, develops, and produces oil and gas; produces and sells coal and uranium; operates geothermal power plants; and sale of electric power and steam. Idemitsu Kosan Co.,Ltd. was founded in 1911 and is headquartered in Tokyo, Japan.
- Leadership
- Noriaki Sakai
- IPO Date
- Sep 3, 2014
- Employees
- 14.0k
- Street Address
- 2-1, Otemachi 1-chome
- Mailing
- Tokyo, 100-8321
- Region
- Tokyo, JP
- Reporting Currency
- USD
- Investor Line
- +81 3 3213 3111
- Last Updated
- Apr 30, 2026
Key Fundamentals
Valuation, growth, profitability, and balance sheet signals.
Valuation
- P/E
- 57.1
- EV/EBITDA
- 16.9
- Price/Sales
- 0.2
- Price/Book
- 0.9
Growth
- Revenue
- +5.4%
- EPS
- -51.8%
- Free Cash Flow
- +27.1%
Profitability
- Gross Margin
- 7.4%
- Operating Margin
- 0.9%
- Net Margin
- 0.4%
- ROE
- 1.7%
- ROIC
- 0.9%
Balance Sheet
- Debt/Equity
- 0.91
- Current Ratio
- 1.20
Earnings Reports
Latest News
Official Releases
Company announcements and filings-style updates.
Next Step
Keep the research moving
After the overview, the strongest next step is usually chart context or a tighter compare set.