Idemitsu Kosan

5019 · TSE · JPY

¥1,560.00+2.13%+¥32.50

Close · October 2, 2026

Price history

+54.15% over the period
Show chart data

Daily closing prices, adjusted for splits. Long periods: one close per week or month.

DateClose
October 2, 2026¥1,560.00
October 1, 2026¥1,527.50
September 30, 2026¥1,590.50
September 29, 2026¥1,586.00
September 28, 2026¥1,668.00
September 25, 2026¥1,663.00
September 24, 2026¥1,650.50
September 18, 2026¥1,651.00
September 17, 2026¥1,673.00
September 16, 2026¥1,670.00
September 15, 2026¥1,601.00
September 14, 2026¥1,638.00
September 11, 2026¥1,648.00
September 10, 2026¥1,650.50
September 9, 2026¥1,660.00
September 8, 2026¥1,543.00
September 7, 2026¥1,499.00
September 4, 2026¥1,470.00
September 3, 2026¥1,489.50
September 2, 2026¥1,462.00
September 1, 2026¥1,482.50
August 31, 2026¥1,420.00
August 28, 2026¥1,379.50
August 27, 2026¥1,370.00
August 26, 2026¥1,357.50
August 25, 2026¥1,378.50
August 24, 2026¥1,378.50
August 21, 2026¥1,383.50
August 20, 2026¥1,349.50
August 19, 2026¥1,337.00
August 18, 2026¥1,370.50
August 17, 2026¥1,330.00
August 14, 2026¥1,306.50
August 13, 2026¥1,283.00
August 12, 2026¥1,297.00
August 10, 2026¥1,294.50
August 7, 2026¥1,321.00
August 6, 2026¥1,258.50
August 5, 2026¥1,241.00
August 4, 2026¥1,249.50
August 3, 2026¥1,267.00
July 31, 2026¥1,311.00
July 30, 2026¥1,308.50
July 29, 2026¥1,321.00
July 28, 2026¥1,307.00
July 27, 2026¥1,314.00
July 24, 2026¥1,333.50
July 23, 2026¥1,325.00
July 22, 2026¥1,316.00
July 21, 2026¥1,292.50
July 17, 2026¥1,241.00
July 16, 2026¥1,262.50
July 15, 2026¥1,279.50
July 14, 2026¥1,270.50
July 13, 2026¥1,246.50
July 10, 2026¥1,240.00
July 9, 2026¥1,243.00
July 8, 2026¥1,236.50
July 7, 2026¥1,235.50
July 6, 2026¥1,243.50
July 3, 2026¥1,214.50
July 2, 2026¥1,203.00
July 1, 2026¥1,186.50
June 30, 2026¥1,198.00
June 29, 2026¥1,206.50
June 26, 2026¥1,223.50
June 25, 2026¥1,209.50
June 24, 2026¥1,233.00
June 23, 2026¥1,250.00
June 22, 2026¥1,254.00
June 19, 2026¥1,259.50
June 18, 2026¥1,246.00
June 17, 2026¥1,284.50
June 16, 2026¥1,287.50
June 15, 2026¥1,331.50
June 12, 2026¥1,314.50
June 11, 2026¥1,344.00
June 10, 2026¥1,332.00
June 9, 2026¥1,339.00
June 8, 2026¥1,348.50
June 5, 2026¥1,381.00
June 4, 2026¥1,397.00
June 3, 2026¥1,407.50
June 2, 2026¥1,354.50
June 1, 2026¥1,357.00
May 29, 2026¥1,398.50
May 28, 2026¥1,314.50
May 27, 2026¥1,326.50
May 26, 2026¥1,306.00
May 25, 2026¥1,313.00
May 22, 2026¥1,332.00
May 21, 2026¥1,346.00
May 20, 2026¥1,374.50
May 19, 2026¥1,376.50
May 18, 2026¥1,365.50
May 15, 2026¥1,428.00
May 14, 2026¥1,417.50
May 13, 2026¥1,389.00
May 12, 2026¥1,394.00
May 11, 2026¥1,360.00
May 8, 2026¥1,340.50
May 7, 2026¥1,370.00
May 1, 2026¥1,370.00
April 30, 2026¥1,348.50
April 28, 2026¥1,348.00
April 27, 2026¥1,315.00
April 24, 2026¥1,336.00
April 23, 2026¥1,345.50
April 22, 2026¥1,385.00
April 21, 2026¥1,411.50
April 20, 2026¥1,444.50
April 17, 2026¥1,487.50
April 16, 2026¥1,505.00
April 15, 2026¥1,509.00
April 14, 2026¥1,536.00
April 13, 2026¥1,545.50
April 10, 2026¥1,544.00
April 9, 2026¥1,558.50
April 8, 2026¥1,561.50
April 7, 2026¥1,659.00
April 6, 2026¥1,627.00
April 3, 2026¥1,595.00
April 2, 2026¥1,560.00
April 1, 2026¥1,595.50
March 31, 2026¥1,541.50
March 30, 2026¥1,557.50
March 27, 2026¥1,553.50
March 26, 2026¥1,528.00
March 25, 2026¥1,488.50
March 24, 2026¥1,460.00
March 23, 2026¥1,407.50
March 19, 2026¥1,479.00
March 18, 2026¥1,536.50
March 17, 2026¥1,478.00
March 16, 2026¥1,441.50
March 13, 2026¥1,462.00
March 12, 2026¥1,440.50
March 11, 2026¥1,439.50
March 10, 2026¥1,431.50
March 9, 2026¥1,387.00
March 6, 2026¥1,427.00
March 5, 2026¥1,458.00
March 4, 2026¥1,387.50
March 3, 2026¥1,472.00
March 2, 2026¥1,518.50
February 27, 2026¥1,491.00
February 26, 2026¥1,404.00
February 25, 2026¥1,390.50
February 24, 2026¥1,407.00
February 20, 2026¥1,416.50
February 19, 2026¥1,424.00
February 18, 2026¥1,395.00
February 17, 2026¥1,375.50
February 16, 2026¥1,366.00
February 13, 2026¥1,384.00
February 12, 2026¥1,422.50
February 10, 2026¥1,449.00
February 9, 2026¥1,426.00
February 6, 2026¥1,419.00
February 5, 2026¥1,391.00
February 4, 2026¥1,408.00
February 3, 2026¥1,344.50
February 2, 2026¥1,294.50
January 30, 2026¥1,306.50
January 29, 2026¥1,293.00
January 28, 2026¥1,259.00
January 27, 2026¥1,280.00
January 26, 2026¥1,280.00
January 23, 2026¥1,291.00
January 22, 2026¥1,288.50
January 21, 2026¥1,267.00
January 20, 2026¥1,263.50
January 19, 2026¥1,281.50
January 16, 2026¥1,290.00
January 15, 2026¥1,276.00
January 14, 2026¥1,275.50
January 13, 2026¥1,241.00
January 9, 2026¥1,211.50
January 8, 2026¥1,188.00
January 7, 2026¥1,188.50
January 6, 2026¥1,220.00
January 5, 2026¥1,179.50
December 30, 2025¥1,183.00
December 29, 2025¥1,183.00
December 26, 2025¥1,172.00
December 25, 2025¥1,178.00
December 24, 2025¥1,175.00
December 23, 2025¥1,172.50
December 22, 2025¥1,171.50
December 19, 2025¥1,159.50
December 18, 2025¥1,169.00
December 17, 2025¥1,164.00
December 16, 2025¥1,175.00
December 15, 2025¥1,186.00
December 12, 2025¥1,180.00
December 11, 2025¥1,167.00
December 10, 2025¥1,174.00
December 9, 2025¥1,160.00
December 8, 2025¥1,163.50
December 5, 2025¥1,150.50
December 4, 2025¥1,161.00
December 3, 2025¥1,147.00
December 2, 2025¥1,142.00
December 1, 2025¥1,148.50
November 28, 2025¥1,157.00
November 27, 2025¥1,147.00
November 26, 2025¥1,147.00
November 25, 2025¥1,145.50
November 21, 2025¥1,146.50
November 20, 2025¥1,138.00
November 19, 2025¥1,130.50
November 18, 2025¥1,122.50
November 17, 2025¥1,139.00
November 14, 2025¥1,127.00
November 13, 2025¥1,103.50
November 12, 2025¥1,113.50
November 11, 2025¥1,098.50
November 10, 2025¥1,095.00
November 7, 2025¥1,065.00
November 6, 2025¥1,061.50
November 5, 2025¥1,061.00
November 4, 2025¥1,090.00
October 31, 2025¥1,071.50
October 30, 2025¥1,082.00
October 29, 2025¥1,072.00
October 28, 2025¥1,072.50
October 27, 2025¥1,083.00
October 24, 2025¥1,057.50
October 23, 2025¥1,046.00
October 22, 2025¥1,030.50
October 21, 2025¥1,017.50
October 20, 2025¥1,017.00
October 17, 2025¥1,001.50
October 16, 2025¥1,004.00
October 15, 2025¥1,009.00
October 14, 2025¥1,001.00
October 10, 2025¥1,008.50
October 9, 2025¥1,039.50
October 8, 2025¥1,024.00
October 7, 2025¥1,027.00
October 6, 2025¥1,020.50
October 3, 2025¥1,008.00
October 2, 2025¥1,012.00

At a glance

  • The company

    Idemitsu Kosan Co.,Ltd. engages in the fuel oil, basic chemicals, functional materials, power and renewable energy, and resources businesses in Japan, Singapore, Asia, Oceania, North America, and internationally.

  • Latest results

    Quarter to June 30, 2026 · EPS ¥179.63

  • Next event

    Quarterly results · November 11, 2026

  • Dividend

    Ex-dividend on March 30, 2027

Where the price stands

52-wk low¥987.50
52-wk high¥1,708.50

−8.69% from the high

Performance

StockNikkei 225
1 month+6.70%+6.19%
Year to date+31.87%+35.70%
1 year+54.15%+52.01%

Analysts · 8 analysts

Average target¥1,544.29−1.01% vs. price

Buy 3 · Hold 5 · Sell 0

Latest news

All news

Numbers and valuation

Full valuation
Market cap
¥1.87T
P/E
11.1
EPS
¥140.38
Volume
5.3M
Dividend yield
2.31%

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