Idemitsu Kosan Hits Day High with Strong 3.21% Intraday Surge

Idemitsu Kosan Co., Ltd., a prominent player in the oil industry, has shown notable activity today, gaining 3.21% on March 10, 2026. The stock reached an intraday high of JPY 1,443.50, reflecting a positive movement in the market. In terms of performance metrics, Idemitsu Kosan's one-day performance outpaced the Japan Nikkei 225, which recorded a gain of 2.88%. However, the company's one-week performance stands at -2.75%, indicating some volatility in the short term. Over the past month, the stock has decreased by 1.21%, while its year-to-date performance remains strong at 21.01%, significantly outperforming the Nikkei 225's 7.77%. Despite these recent gains, Idemitsu Kosan has faced challenges over longer periods, with a three-year performance decline of 53.3% and a five-year decline of 50.64%. The company's market capitalization is JPY 1,662,484 million, with a P/E ratio of 8.00 and a return on equity of 4.98%. These figures highlight the company's current market position and financial health amidst ongoing industry dynamics.