Idemitsu Kosan Stock Hits Day Low Amid Price Pressure, Drops to JPY 1,393.00

Idemitsu Kosan Co., a prominent player in the oil industry, experienced a notable decline today, with its stock price dropping by 4.83% on March 23, 2026. The stock reached an intraday low of JPY 1,393.00, reflecting a challenging trading session. In terms of performance metrics, Idemitsu Kosan has shown a mixed trajectory over various time frames. Over the past week, the stock has decreased by 2.36%, while its monthly performance indicates a slight decline of 0.64%. However, on a yearly basis, the company has managed to achieve a return of 21.39%, although this is significantly lower than the Japan Nikkei 225's performance of 36.73% during the same period. Financially, Idemitsu Kosan holds a market capitalization of JPY 1,662,484 million and maintains a price-to-earnings ratio of 8.00. The company's debt-to-equity ratio stands at 0.64, indicating a moderate level of leverage. Despite these figures, the company has faced challenges in net sales and pre-tax profit, which have shown declines in recent quarters. Overall, Idemitsu Kosan's stock performance today underscores the complexities facing the company in a competitive market environment.