If you invested ¥1000 in Open Up Group Inc. (2154.T) 10 years ago, it would be worth ¥3,497.93 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 ¥1,664.38, while ¥1000 invested 1 year ago would be worth ¥1,086.62. This corresponds to total returns of 249.79%, 66.44%, 8.66%, respectively, with annualized returns of 13.34%, 10.73%, 8.66%.
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 | 1,935 | 1,936 | 1,936 | 1,943 | 1,924 | 204,300 |
| September 09, 2026 | 1,931 | 1,925 | 1,925 | 1,943 | 1,904 | 160,400 |
| September 08, 2026 | 1,965 | 1,941 | 1,941 | 1,968 | 1,937 | 143,100 |
| September 07, 2026 | 1,988 | 1,965 | 1,965 | 1,989 | 1,961 | 108,500 |
| September 04, 2026 | 2,001 | 1,988 | 1,988 | 2,014 | 1,985 | 141,400 |
| September 03, 2026 | 2,029 | 2,006 | 2,006 | 2,029 | 2,000 | 104,400 |
| September 02, 2026 | 2,045 | 2,023 | 2,023 | 2,054 | 2,020 | 156,300 |
| September 01, 2026 | 2,067 | 2,060 | 2,060 | 2,074 | 2,056 | 124,200 |
| August 31, 2026 | 2,083 | 2,066 | 2,066 | 2,083 | 2,054 | 158,100 |
| August 28, 2026 | 2,059 | 2,082 | 2,082 | 2,082 | 2,056 | 167,400 |
| August 27, 2026 | 2,040 | 2,057 | 2,057 | 2,067 | 2,030 | 158,600 |
| August 26, 2026 | 2,034 | 2,042 | 2,042 | 2,062 | 2,034 | 94,700 |
| August 25, 2026 | 2,034 | 2,034 | 2,034 | 2,048 | 2,024 | 82,500 |
| August 24, 2026 | 2,050 | 2,039 | 2,039 | 2,053 | 2,030 | 160,300 |
| August 21, 2026 | 2,040 | 2,039 | 2,039 | 2,046 | 2,021 | 93,700 |
| August 20, 2026 | 2,030 | 2,040 | 2,040 | 2,045 | 2,018 | 118,600 |
| August 19, 2026 | 2,046 | 2,013 | 2,013 | 2,046 | 2,002 | 136,300 |
| August 18, 2026 | 2,023 | 2,027 | 2,027 | 2,048 | 2,008 | 145,400 |
| August 17, 2026 | 2,023 | 2,023 | 2,023 | 2,045 | 2,023 | 140,200 |
| August 14, 2026 | 2,009 | 2,035 | 2,035 | 2,044 | 2,001 | 173,900 |
| August 13, 2026 | 1,996 | 2,001 | 2,001 | 2,010 | 1,984 | 143,200 |
| August 12, 2026 | 2,062 | 2,018 | 2,018 | 2,070 | 2,002 | 203,000 |
| August 10, 2026 | 1,960 | 2,021 | 2,021 | 2,036 | 1,895 | 375,500 |
| August 07, 2026 | 1,968 | 1,967 | 1,967 | 1,993 | 1,952 | 189,700 |
| August 06, 2026 | 1,944 | 1,964 | 1,964 | 1,964 | 1,934 | 149,000 |
| August 05, 2026 | 1,961 | 1,937 | 1,937 | 1,963 | 1,918 | 137,500 |
| August 04, 2026 | 1,965 | 1,942 | 1,942 | 1,975 | 1,921 | 182,300 |
| August 03, 2026 | 2,014 | 1,977 | 1,977 | 2,015 | 1,952 | 188,800 |
| July 31, 2026 | 2,008 | 2,014 | 2,014 | 2,030 | 1,993 | 364,900 |
| July 30, 2026 | 2,083 | 2,053 | 2,053 | 2,083 | 2,042 | 234,900 |
| July 29, 2026 | 2,075 | 2,080 | 2,080 | 2,106 | 2,038 | 208,900 |
| July 28, 2026 | 2,050 | 2,052 | 2,052 | 2,055 | 2,036 | 155,300 |
| July 27, 2026 | 2,021 | 2,040 | 2,040 | 2,040 | 2,016 | 148,000 |
| July 23, 2026 | 1,974 | 1,977 | 1,977 | 1,982 | 1,965 | 86,600 |
| July 22, 2026 | 1,969 | 1,987 | 1,987 | 1,991 | 1,959 | 136,200 |
| July 21, 2026 | 1,998 | 2,001 | 2,001 | 2,017 | 1,989 | 150,400 |
| July 17, 2026 | 1,989 | 1,994 | 1,994 | 2,011 | 1,979 | 173,300 |
| July 16, 2026 | 1,979 | 1,972 | 1,972 | 1,997 | 1,965 | 138,100 |
| July 15, 2026 | 1,969 | 1,981 | 1,981 | 1,981 | 1,960 | 119,400 |
| July 14, 2026 | 1,960 | 1,969 | 1,969 | 1,981 | 1,949 | 140,000 |
| July 13, 2026 | 1,950 | 1,945 | 1,945 | 1,952 | 1,934 | 181,700 |
| July 10, 2026 | 1,943 | 1,942 | 1,942 | 1,953 | 1,936 | 140,800 |
| July 09, 2026 | 1,960 | 1,941 | 1,941 | 1,963 | 1,941 | 174,900 |
| July 08, 2026 | 1,970 | 1,963 | 1,963 | 1,982 | 1,961 | 173,200 |
| July 07, 2026 | 1,946 | 1,961 | 1,961 | 1,972 | 1,940 | 158,700 |
| July 06, 2026 | 1,918 | 1,941 | 1,941 | 1,952 | 1,914 | 159,300 |
| July 03, 2026 | 1,933 | 1,921 | 1,921 | 1,942 | 1,921 | 150,200 |
| July 02, 2026 | 1,927 | 1,918 | 1,918 | 1,938 | 1,907 | 229,600 |
| July 01, 2026 | 1,907 | 1,894 | 1,894 | 1,912 | 1,876 | 197,500 |
| June 30, 2026 | 1,918 | 1,917 | 1,917 | 1,932 | 1,896 | 193,000 |
| June 29, 2026 | 1,883 | 1,918 | 1,918 | 1,934 | 1,879 | 362,600 |
| June 26, 2026 | 1,910 | 1,916 | 1,916 | 1,916 | 1,889 | 463,700 |
| June 25, 2026 | 1,890 | 1,884 | 1,884 | 1,898 | 1,878 | 175,300 |
| June 24, 2026 | 1,877 | 1,874 | 1,874 | 1,898 | 1,865 | 267,100 |
| June 23, 2026 | 1,875 | 1,875 | 1,875 | 1,902 | 1,856 | 402,800 |
| June 22, 2026 | 1,876 | 1,878 | 1,878 | 1,902 | 1,873 | 220,500 |
| June 19, 2026 | 1,871 | 1,885 | 1,885 | 1,895 | 1,871 | 320,400 |
| June 18, 2026 | 1,877 | 1,880 | 1,880 | 1,902 | 1,872 | 186,600 |
| June 17, 2026 | 1,881 | 1,870 | 1,870 | 1,886 | 1,870 | 177,800 |
| June 16, 2026 | 1,885 | 1,880 | 1,880 | 1,890 | 1,875 | 207,400 |