Diamond Biotechnology Co., Ltd historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-07-28 | 51.000 | 51.700 | 49.350 | 51.500 | 43.591 | 145,335 |
| 2025-07-25 | 47.350 | 52.400 | 47.100 | 51.000 | 43.168 | 133,180 |
| 2025-07-24 | 47.350 | 47.350 | 46.850 | 47.350 | 40.078 | 29,151 |
| 2025-07-23 | 47.050 | 47.450 | 46.550 | 47.450 | 40.163 | 28,998 |
| 2025-07-22 | 46.650 | 47.650 | 46.350 | 47.350 | 40.078 | 98,467 |
| 2025-07-21 | 47.600 | 48.250 | 46.550 | 47.450 | 40.163 | 67,943 |
| 2025-07-18 | 48.450 | 48.550 | 47.700 | 48.000 | 40.628 | 64,436 |
| 2025-07-17 | 49.000 | 49.150 | 47.700 | 48.450 | 41.009 | 43,966 |
| 2025-07-16 | 48.050 | 49.000 | 47.800 | 48.300 | 40.882 | 28,981 |
| 2025-07-15 | 49.000 | 49.000 | 47.550 | 48.250 | 40.840 | 80,498 |
| 2025-07-14 | 50.000 | 50.000 | 48.850 | 49.150 | 41.602 | 22,779 |
| 2025-07-11 | 48.200 | 50.100 | 48.200 | 49.950 | 42.279 | 43,585 |
| 2025-07-10 | 50.300 | 50.300 | 47.750 | 49.350 | 41.771 | 87,160 |
| 2025-07-09 | 49.950 | 50.100 | 49.350 | 50.100 | 42.406 | 28,730 |
| 2025-07-08 | 51.800 | 51.800 | 48.450 | 51.000 | 43.168 | 33,235 |
| 2025-07-07 | 53.000 | 53.000 | 50.300 | 50.800 | 42.998 | 76,107 |
| 2025-07-04 | 52.800 | 53.000 | 51.000 | 52.400 | 44.353 | 40,951 |
| 2025-07-03 | 54.200 | 54.200 | 52.900 | 52.900 | 44.776 | 21,615 |
| 2025-07-02 | 55.000 | 55.000 | 52.800 | 54.000 | 45.707 | 34,589 |
| 2025-07-01 | 53.900 | 54.900 | 53.100 | 54.400 | 46.045 | 22,911 |
| 2025-06-30 | 53.800 | 55.500 | 53.000 | 55.000 | 46.553 | 30,047 |
| 2025-06-27 | 53.000 | 55.500 | 53.000 | 54.000 | 45.707 | 38,607 |
| 2025-06-26 | 54.000 | 54.000 | 50.000 | 53.900 | 45.622 | 200,380 |
| 2025-06-25 | 54.500 | 54.500 | 53.000 | 53.800 | 45.538 | 24,979 |
| 2025-06-24 | 55.200 | 55.500 | 53.700 | 54.500 | 46.130 | 63,028 |
| 2025-06-23 | 53.700 | 55.200 | 53.700 | 55.200 | 46.723 | 12,378 |
| 2025-06-20 | 56.000 | 56.500 | 54.700 | 55.600 | 47.061 | 35,467 |
| 2025-06-19 | 57.800 | 58.000 | 56.000 | 57.200 | 48.416 | 30,070 |
| 2025-06-18 | 57.900 | 59.000 | 57.900 | 58.600 | 49.600 | 24,047 |
| 2025-06-17 | 59.200 | 59.400 | 58.000 | 59.000 | 49.939 | 19,117 |
| 2025-06-16 | 60.000 | 60.000 | 58.100 | 59.200 | 50.108 | 23,369 |
| 2025-06-13 | 59.000 | 60.200 | 58.200 | 59.200 | 50.108 | 20,953 |
| 2025-06-12 | 61.000 | 61.000 | 56.900 | 59.500 | 50.362 | 104,700 |
| 2025-06-11 | 62.000 | 64.000 | 61.000 | 61.400 | 51.970 | 53,168 |
| 2025-06-10 | 62.000 | 62.200 | 59.800 | 60.500 | 51.209 | 35,639 |
| 2025-06-09 | 62.100 | 62.900 | 59.200 | 62.000 | 52.478 | 29,956 |
| 2025-06-06 | 63.000 | 63.900 | 62.200 | 62.700 | 53.071 | 83,678 |
| 2025-06-05 | 63.000 | 64.800 | 63.000 | 63.900 | 54.087 | 54,708 |
| 2025-06-04 | 63.500 | 65.200 | 63.000 | 63.500 | 53.748 | 58,860 |
| 2025-06-03 | 60.000 | 65.200 | 60.000 | 63.500 | 53.748 | 197,099 |
| 2025-06-02 | 59.600 | 61.300 | 57.100 | 60.800 | 51.463 | 81,567 |
| 2025-05-29 | 60.500 | 60.700 | 59.600 | 60.200 | 50.955 | 32,550 |
| 2025-05-28 | 60.000 | 61.000 | 59.600 | 61.000 | 51.632 | 27,175 |
| 2025-05-27 | 60.500 | 62.500 | 59.700 | 60.100 | 50.870 | 62,059 |
| 2025-05-26 | 61.000 | 61.200 | 60.100 | 60.700 | 51.378 | 61,398 |
| 2025-05-23 | 61.800 | 61.900 | 60.000 | 60.900 | 51.547 | 45,209 |
| 2025-05-22 | 60.800 | 62.100 | 60.000 | 61.800 | 52.309 | 56,581 |
| 2025-05-21 | 62.000 | 62.000 | 59.600 | 60.200 | 50.955 | 37,137 |
| 2025-05-20 | 61.900 | 63.500 | 60.500 | 62.200 | 52.648 | 13,077 |
| 2025-05-19 | 61.500 | 62.000 | 59.800 | 60.700 | 51.378 | 43,704 |
| 2025-05-16 | 62.000 | 62.800 | 59.800 | 61.700 | 52.224 | 63,060 |
| 2025-05-15 | 65.000 | 65.000 | 61.600 | 62.500 | 52.902 | 165,945 |
| 2025-05-14 | 63.900 | 66.800 | 62.800 | 65.200 | 55.187 | 216,709 |
| 2025-05-13 | 63.500 | 64.400 | 61.000 | 63.000 | 53.325 | 111,900 |
| 2025-05-12 | 65.000 | 65.000 | 62.000 | 63.800 | 54.002 | 131,403 |
| 2025-05-09 | 58.000 | 65.600 | 57.500 | 64.700 | 54.764 | 160,873 |
| 2025-05-08 | 57.500 | 59.500 | 57.400 | 59.200 | 50.108 | 30,701 |
| 2025-05-07 | 57.900 | 57.900 | 57.100 | 57.700 | 48.839 | 27,589 |
| 2025-05-06 | 58.000 | 58.100 | 57.300 | 57.800 | 48.923 | 29,374 |
| 2025-05-05 | 60.000 | 60.000 | 57.000 | 58.900 | 49.854 | 64,608 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2025-08-27 | 0.2300 TWD |
| 2024-08-05 | 0.1848 TWD |
| 2023-08-23 | 0.1337 TWD |
| 2022-08-24 | 0.2040 TWD |
| 2021-08-27 | 0.0500 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.