Idemitsu Kosan stock return

5019 · TSE · JPY

¥1,526.50Change from previous close: −2.15%Absolute change: −¥33.50

Close · October 5, 2026

¥1,000 invested in Idemitsu Kosan 5 years ago, on October 5, 2021, would be worth ¥2,494 today: +149.43% in total, +20.06% per year. This is the price return only: dividends are excluded.

Historical returns

PeriodFromStarting priceTotal returnPer yearValue of ¥1,000
1 yearOctober 6, 2025¥1,020.50+49.58%+49.58%¥1,496
3 yearsOctober 5, 2023¥615.40+148.05%+35.36%¥2,481
5 yearsOctober 5, 2021¥612.00+149.43%+20.06%¥2,494
10 yearsOctober 5, 2016¥424.80+259.35%+13.65%¥3,593
Since the start of the dataOctober 24, 2006¥538.50+183.47%+5.36%¥2,835

Price return only, based on daily closes adjusted for stock splits; dividends excluded. Last close: October 5, 2026.

Calculate your investment

It would be worth ¥2,494 today

+149.43% on the amount invested

Purchase price ¥612.00 on October 5, 2021

Price of the first trading day from the chosen date; more than 5 years ago, the start of that week (more than 15 years ago, of that month).