OTCMKTS:IDKOY Idemitsu Kosan Co.,Ltd. (IDKOY) Stock Price, News & Analysis $18.99 0.00 (0.00%) As of 10/8/2026 03:20 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$18.86▼$18.9950-Day Range$15.64▼$21.5952-Week Range$12.85▼$22.79Volume6,984 shsAverage Volume1,597 shsMarket Capitalization$11.61 billionP/E RatioN/ADividend Yield1.42%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. 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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.comThe end may be near for these iconic stocksMarc Chaikin, founder of Chaikin Analytics, says two forces - AI disruption and fracturing global trade - are triggering a historic wealth transfer already underway in 2026. Household names like Intuit (-57%), Boston Scientific (-49%), and Tractor Supply (-40%) are cratering, while lesser-known companies like Sandisk (+573%) and Rackspace (+444%) surge. Chaikin has identified specific stocks he believes investors should sell before they fall further - and the names may surprise you. He's also pinpointing a company tapped as Nvidia's self-driving partner and a potential AI megadeal that could split into three high-growth stocks. Stream his free presentation to get every buy and sell recommendation with no membership or credit card required. | Chaikin Analytics (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 the year. Since then, IDKOY stock has increased by 24.5% and is now trading at $18.99. When did Idemitsu Kosan Co.,Ltd.'s stock split? Idemitsu Kosan Co.,Ltd. shares split before market open on Friday, January 5th 2024.The 5-1 split was announced on Friday, January 5th 2024. The newly created shares were distributed to shareholders after the market closes 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 Today10/10/2026Fiscal 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$11.61 billion OptionableNot Optionable BetaN/A The Infrastructure's Backbone: 10 Stocks Powering the AI BuildoutThe AI boom extends far beyond the biggest tech names. Discover 10 companies supplying the memory, storage, networking, semiconductor manufacturing, and power infrastructure that make AI possible. Learn where the next wave of AI investment opportunities may emerge—and the key risks investors should watch as the global AI buildout accelerates.Get This Free Report This page (OTCMKTS:IDKOY) was last updated on 10/10/2026 by MarketBeat.com Staff. From Our PartnersA Simple Guide to Options Trading While It's Still FreeA free copy of Options Trading Made Simple is available now but wont stay that way for long. 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