OTCMKTS:IDKOY Idemitsu Kosan Co.,Ltd. (IDKOY) Stock Price, News & Analysis $20.34 0.00 (0.00%) As of 10/13/2026 03:49 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartSEC FilingsShort Interest About Idemitsu Kosan Co.,Ltd. Stock (OTCMKTS:IDKOY) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get IDKOY alerts:Sign Up Key Stats Today's Range$20.00▼$21.4950-Day Range$15.64▼$21.5952-Week Range$13.11▼$22.79Volume795 shsAverage Volume1,455 shsMarket Capitalization$12.44 billionP/E RatioN/ADividend Yield1.33%Price TargetN/AConsensus RatingHold Company Overview Idemitsu Kosan Co., Ltd. is a Japan-based integrated energy and materials company engaged in the production, processing, distribution and sale of petroleum and petrochemical products. Its operations include crude oil refining, fuel marketing, lubricants, oil products for industrial and transportation uses, and chemicals used in manufacturing. The company also develops and supplies functional materials, including products for electronics and other advanced applications. In addition, Idemitsu Kosan has businesses related to power generation, renewable energy and energy-transition technologies, reflecting its efforts to expand beyond conventional fossil fuels. Founded in 1911 by Sazo Idemitsu, the company has grown from a petroleum distributor into a diversified energy group serving customers in Japan and international markets. Idemitsu Kosan expanded its domestic petroleum operations through the integration of Showa Shell Sekiyu K.K. in 2019 and continues to pursue investments in lower-carbon energy and specialized materials.AI Generated. May Contain Errors. Read More Receive IDKOY Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Idemitsu Kosan Co.,Ltd. and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. IDKOY Stock News HeadlinesIdemitsu Renewables Completes Funding of $61M Tax Equity and Debt Financing for Luciana Solar projectJuly 29, 2022 | apnews.comAUPDATE 1-Japan's Idemitsu Kosan to buy out Seibu Oil, shut its refinery -NikkeiJune 14, 2022 | reuters.comTrump’s issues shocking Executive Order on U.S. DollarThree days into his second term, President Trump signed Executive Order 14178 a move the press barely covered. Buried inside is what some call the legal groundwork for the biggest change to American money in over a century, with a key Treasury vote potentially as soon as January 18. Ian King, Chief Strategist at Strategic Fortunes, breaks down what the order could mean for the dollar and the financial system.October 14 at 1:00 AM | Banyan Hill Publishing (Ad)Japan's Idemitsu Kosan to buy out Seibu Oil, close its domestic oil refinery -NikkeiJune 13, 2022 | nasdaq.comIdemitsu Kosan Co Ltd (5019)June 4, 2022 | investing.comIdemitsu Kosan Co.,Ltd. Has Established Idemitsu Americas Holdings Corporation to Accelerate the Development of New Projects to Involve Idemitsu Kosan With Leading Companies in the AmericasAugust 24, 2021 | financialpost.comFSee More Headlines IDKOY Stock Analysis - Frequently Asked Questions How have IDKOY shares performed this year? Idemitsu Kosan Co.,Ltd.'s stock was trading at $15.25 at the beginning of 2026. Since then, IDKOY shares have increased by 33.4% and is now trading at $20.3412. When did Idemitsu Kosan Co.,Ltd.'s stock split? Shares of Idemitsu Kosan Co.,Ltd. split on Friday, January 5th 2024.The 5-1 split was announced on Friday, January 5th 2024. The newly issued shares were distributed to shareholders after the closing bell on Friday, January 5th 2024. An investor that had 100 shares of stock prior to the split would have 500 shares after the split. How do I buy shares of Idemitsu Kosan Co.,Ltd.? Shares of IDKOY stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. Company Calendar Today10/14/2026Fiscal Year End3/31/2027Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeOTCMKTS SectorEnergy Industry Oil, Gas & Consumable Fuels Sub-IndustryOil & Gas Refining & Marketing Current SymbolOTCMKTS:IDKOY CIK1380365 Webwww.idemitsu.co.jp Phone(133) 213-3150FaxN/AEmployees13,991Year FoundedN/AProfitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current RatioN/A Quick RatioN/A Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding Shares611,610,000Free FloatN/AMarket Cap$12.44 billion OptionableNot Optionable BetaN/A The Best Nuclear Energy Stocks to BuyNuclear energy is entering a new growth cycle as rising power demand, expanding data centers, and renewed policy support bring the sector back into focus. 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