If you invested ¥1000 in Altech Corporation (4641.T) 10 years ago, it would be worth ¥3,995.44 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a ¥1000 investment made 5 years ago would be worth ¥1,515.64, while ¥1000 invested 1 year ago would be worth ¥935.32. This corresponds to total returns of 299.54%, 51.56%, -6.47%, respectively, with annualized returns of 14.85%, 8.68%, -6.47%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| September 10, 2026 | 848 | 849 | 849 | 853 | 843 | 70,400 |
| September 09, 2026 | 850 | 849 | 849 | 855 | 847 | 53,200 |
| September 08, 2026 | 852 | 857 | 857 | 860 | 847 | 64,100 |
| September 07, 2026 | 861 | 852 | 852 | 864 | 852 | 75,700 |
| September 04, 2026 | 861 | 859 | 859 | 869 | 855 | 88,800 |
| September 03, 2026 | 874 | 865 | 865 | 875 | 860 | 92,900 |
| September 02, 2026 | 881 | 874 | 874 | 886 | 874 | 102,400 |
| September 01, 2026 | 885 | 892 | 892 | 895 | 880 | 121,900 |
| August 31, 2026 | 876 | 889 | 889 | 889 | 871 | 137,800 |
| August 28, 2026 | 864 | 877 | 877 | 877 | 864 | 102,700 |
| August 27, 2026 | 863 | 864 | 864 | 877 | 861 | 105,800 |
| August 26, 2026 | 862 | 867 | 867 | 871 | 860 | 74,000 |
| August 25, 2026 | 873 | 864 | 864 | 874 | 861 | 111,300 |
| August 24, 2026 | 868 | 866 | 866 | 873 | 861 | 146,900 |
| August 21, 2026 | 853 | 860 | 860 | 860 | 851 | 128,500 |
| August 20, 2026 | 849 | 849 | 849 | 857 | 843 | 77,500 |
| August 19, 2026 | 849 | 844 | 844 | 849 | 834 | 74,400 |
| August 18, 2026 | 827 | 844 | 844 | 845 | 820 | 104,300 |
| August 17, 2026 | 837 | 832 | 832 | 842 | 830 | 89,700 |
| August 14, 2026 | 818 | 837 | 837 | 838 | 818 | 70,200 |
| August 13, 2026 | 825 | 823 | 823 | 834 | 819 | 101,500 |
| August 12, 2026 | 807 | 828 | 828 | 830 | 804 | 169,000 |
| August 10, 2026 | 803 | 796 | 796 | 813 | 795 | 167,000 |
| August 07, 2026 | 786 | 790 | 790 | 797 | 762 | 207,600 |
| August 06, 2026 | 795 | 804 | 804 | 804 | 791 | 97,300 |
| August 05, 2026 | 796 | 795 | 795 | 797 | 789 | 96,700 |
| August 04, 2026 | 810 | 800 | 800 | 817 | 796 | 101,400 |
| August 03, 2026 | 825 | 816 | 816 | 825 | 808 | 131,200 |
| July 31, 2026 | 834 | 825 | 825 | 838 | 821 | 106,500 |
| July 30, 2026 | 853 | 841 | 841 | 854 | 838 | 359,300 |
| July 29, 2026 | 842 | 851 | 851 | 854 | 833 | 158,300 |
| July 28, 2026 | 839 | 836 | 836 | 840 | 829 | 83,800 |
| July 27, 2026 | 827 | 839 | 839 | 839 | 823 | 160,600 |
| July 24, 2026 | 822 | 826 | 826 | 826 | 812 | 116,200 |
| July 23, 2026 | 822 | 824 | 824 | 828 | 816 | 104,600 |
| July 22, 2026 | 820 | 826 | 826 | 826 | 808 | 123,400 |
| July 21, 2026 | 817 | 820 | 820 | 829 | 812 | 154,900 |
| July 17, 2026 | 809 | 808 | 808 | 817 | 804 | 110,700 |
| July 16, 2026 | 807 | 802 | 802 | 812 | 802 | 74,400 |
| July 15, 2026 | 814 | 806 | 806 | 817 | 801 | 72,300 |
| July 14, 2026 | 805 | 805 | 805 | 816 | 805 | 106,200 |
| July 13, 2026 | 806 | 805 | 805 | 815 | 804 | 82,800 |
| July 10, 2026 | 811 | 803 | 803 | 815 | 800 | 105,700 |
| July 09, 2026 | 818 | 811 | 811 | 820 | 808 | 115,700 |
| July 08, 2026 | 805 | 814 | 814 | 816 | 801 | 141,900 |
| July 07, 2026 | 784 | 801 | 801 | 802 | 782 | 164,300 |
| July 06, 2026 | 780 | 782 | 782 | 785 | 772 | 131,700 |
| July 03, 2026 | 780 | 780 | 780 | 786 | 774 | 124,200 |
| July 02, 2026 | 766 | 774 | 774 | 780 | 761 | 119,400 |
| July 01, 2026 | 760 | 757 | 757 | 762 | 752 | 78,800 |
| June 30, 2026 | 766 | 761 | 761 | 768 | 753 | 132,600 |
| June 29, 2026 | 750 | 767 | 767 | 769 | 750 | 160,300 |
| June 26, 2026 | 788.67 | 773.33 | 755.33 | 788.67 | 765 | 449,400 |
| June 25, 2026 | 766.67 | 766.67 | 748.82 | 770.67 | 766 | 142,200 |
| June 24, 2026 | 766.67 | 763.67 | 745.89 | 773 | 761 | 160,800 |
| June 23, 2026 | 775 | 763 | 745.24 | 777.67 | 762.67 | 262,800 |
| June 22, 2026 | 783.67 | 775.33 | 757.29 | 784 | 774.33 | 153,900 |
| June 19, 2026 | 775.67 | 781.33 | 763.15 | 781.33 | 775 | 137,400 |
| June 18, 2026 | 772 | 774.67 | 756.64 | 775.67 | 765.67 | 159,900 |
| June 17, 2026 | 774 | 766.67 | 748.82 | 783 | 766.67 | 177,000 |