Diamond Biotechnology Co., Ltd historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-21 | 66.000 | 66.200 | 63.000 | 66.200 | 66.200 | 18,215 |
| 2026-01-20 | 66.000 | 66.000 | 63.200 | 64.000 | 64.000 | 32,665 |
| 2026-01-19 | 61.800 | 66.200 | 61.800 | 66.000 | 66.000 | 147,064 |
| 2026-01-16 | 66.000 | 66.000 | 62.000 | 64.000 | 64.000 | 43,235 |
| 2026-01-15 | 66.200 | 66.300 | 62.800 | 65.500 | 65.500 | 82,383 |
| 2026-01-14 | 66.900 | 66.900 | 62.800 | 66.200 | 66.200 | 17,317 |
| 2026-01-13 | 66.800 | 67.000 | 63.800 | 66.900 | 66.900 | 16,563 |
| 2026-01-12 | 69.000 | 69.000 | 64.500 | 65.200 | 65.200 | 119,942 |
| 2026-01-09 | 66.900 | 70.300 | 63.700 | 69.000 | 69.000 | 141,856 |
| 2026-01-08 | 67.000 | 68.000 | 63.600 | 66.700 | 66.700 | 22,170 |
| 2026-01-07 | 61.900 | 69.000 | 61.900 | 65.600 | 65.600 | 180,816 |
| 2026-01-06 | 64.000 | 64.900 | 60.900 | 64.900 | 64.900 | 74,319 |
| 2026-01-05 | 64.000 | 64.200 | 60.800 | 61.100 | 61.100 | 87,847 |
| 2026-01-02 | 63.000 | 64.000 | 60.500 | 62.000 | 62.000 | 82,193 |
| 2025-12-31 | 64.900 | 65.700 | 60.100 | 62.000 | 62.000 | 186,813 |
| 2025-12-30 | 65.800 | 66.300 | 61.800 | 64.500 | 64.500 | 108,735 |
| 2025-12-29 | 66.500 | 71.500 | 62.500 | 65.100 | 65.100 | 147,922 |
| 2025-12-26 | 67.200 | 67.200 | 63.500 | 66.200 | 66.200 | 72,250 |
| 2025-12-24 | 72.000 | 72.000 | 64.100 | 67.200 | 67.200 | 145,206 |
| 2025-12-23 | 71.900 | 71.900 | 65.600 | 68.000 | 68.000 | 203,662 |
| 2025-12-22 | 67.300 | 71.900 | 66.800 | 71.900 | 71.900 | 211,557 |
| 2025-12-19 | 64.800 | 66.900 | 62.800 | 66.800 | 66.800 | 74,708 |
| 2025-12-18 | 66.900 | 66.900 | 61.600 | 64.700 | 64.700 | 92,458 |
| 2025-12-17 | 64.500 | 67.600 | 62.600 | 66.200 | 66.200 | 164,500 |
| 2025-12-16 | 67.100 | 67.600 | 64.500 | 67.600 | 67.600 | 18,204 |
| 2025-12-15 | 66.400 | 67.600 | 64.400 | 67.600 | 67.600 | 47,710 |
| 2025-12-12 | 68.000 | 68.000 | 64.500 | 67.600 | 67.600 | 56,245 |
| 2025-12-11 | 67.000 | 68.300 | 65.100 | 67.200 | 67.200 | 99,349 |
| 2025-12-10 | 67.900 | 69.000 | 64.600 | 67.300 | 67.300 | 352,026 |
| 2025-12-09 | 70.800 | 70.800 | 68.200 | 70.200 | 70.200 | 139,872 |
| 2025-12-08 | 69.800 | 70.800 | 68.500 | 70.000 | 70.000 | 539,714 |
| 2025-12-05 | 68.800 | 70.800 | 68.800 | 69.700 | 69.700 | 327,001 |
| 2025-12-04 | 69.000 | 71.300 | 67.000 | 70.600 | 70.600 | 645,768 |
| 2025-12-03 | 67.800 | 68.000 | 66.700 | 67.600 | 67.600 | 640,543 |
| 2025-12-02 | 68.000 | 70.200 | 67.400 | 67.900 | 67.900 | 362,496 |
| 2025-12-01 | 69.500 | 70.300 | 68.100 | 70.100 | 70.100 | 459,364 |
| 2025-11-28 | 68.200 | 71.100 | 67.700 | 69.400 | 69.400 | 502,232 |
| 2025-11-27 | 63.000 | 71.100 | 62.700 | 68.600 | 68.600 | 386,846 |
| 2025-11-26 | 57.400 | 65.400 | 57.400 | 62.300 | 62.300 | 273,377 |
| 2025-11-25 | 57.500 | 57.500 | 55.000 | 56.600 | 56.600 | 74,379 |
| 2025-11-24 | 58.500 | 59.300 | 56.600 | 57.000 | 57.000 | 72,335 |
| 2025-11-21 | 59.900 | 59.900 | 55.700 | 58.400 | 58.400 | 68,264 |
| 2025-11-20 | 62.000 | 62.000 | 58.100 | 60.000 | 60.000 | 89,989 |
| 2025-11-19 | 60.000 | 62.200 | 58.100 | 62.000 | 62.000 | 63,189 |
| 2025-11-18 | 62.700 | 64.200 | 59.600 | 60.100 | 60.100 | 140,065 |
| 2025-11-17 | 66.600 | 66.600 | 63.000 | 64.700 | 64.700 | 140,393 |
| 2025-11-14 | 67.000 | 68.900 | 65.600 | 67.700 | 67.700 | 58,977 |
| 2025-11-13 | 66.900 | 68.000 | 65.500 | 67.900 | 67.900 | 37,898 |
| 2025-11-12 | 66.200 | 67.700 | 65.100 | 66.900 | 66.900 | 116,298 |
| 2025-11-11 | 68.600 | 68.600 | 67.000 | 67.700 | 67.700 | 62,271 |
| 2025-11-10 | 67.700 | 68.500 | 66.700 | 68.000 | 68.000 | 188,672 |
| 2025-11-07 | 67.100 | 67.800 | 66.000 | 67.800 | 67.800 | 36,096 |
| 2025-11-06 | 68.600 | 68.600 | 66.200 | 67.100 | 67.100 | 177,812 |
| 2025-11-05 | 69.900 | 69.900 | 64.800 | 67.500 | 67.500 | 83,675 |
| 2025-11-04 | 68.300 | 70.300 | 67.400 | 67.700 | 67.700 | 199,851 |
| 2025-11-03 | 70.000 | 70.600 | 69.200 | 69.700 | 69.700 | 201,844 |
| 2025-10-31 | 70.000 | 71.100 | 68.600 | 69.700 | 69.700 | 290,691 |
| 2025-10-30 | 69.000 | 69.200 | 67.000 | 69.200 | 69.200 | 162,929 |
| 2025-10-29 | 69.200 | 69.400 | 68.700 | 68.900 | 68.900 | 127,707 |
| 2025-10-28 | 69.200 | 72.100 | 68.200 | 69.100 | 69.100 | 158,034 |
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.