Diamond Biotechnology Co., Ltd historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-23 | 28.100 | 28.100 | 27.250 | 28.100 | 28.100 | 2,203 |
| 2026-07-22 | 28.200 | 29.550 | 27.250 | 28.100 | 28.100 | 44,746 |
| 2026-07-21 | 29.600 | 29.700 | 27.950 | 28.950 | 28.950 | 38,879 |
| 2026-07-20 | 29.700 | 30.000 | 29.300 | 29.600 | 29.600 | 47,238 |
| 2026-07-17 | 28.950 | 32.500 | 28.950 | 29.700 | 29.700 | 135,496 |
| 2026-07-16 | 28.400 | 29.100 | 28.400 | 28.600 | 28.600 | 14,446 |
| 2026-07-15 | 27.000 | 29.100 | 27.000 | 29.100 | 29.100 | 47,096 |
| 2026-07-14 | 27.050 | 27.550 | 26.950 | 27.150 | 27.150 | 68,011 |
| 2026-07-13 | 27.000 | 28.000 | 26.900 | 27.050 | 27.050 | 128,153 |
| 2026-07-10 | 26.350 | 26.350 | 26.350 | 26.350 | 26.350 | 0 |
| 2026-07-09 | 27.050 | 27.050 | 25.900 | 26.350 | 26.350 | 23,067 |
| 2026-07-08 | 26.750 | 27.050 | 26.000 | 27.050 | 27.050 | 35,386 |
| 2026-07-07 | 27.600 | 27.600 | 26.850 | 27.000 | 27.000 | 61,697 |
| 2026-07-06 | 27.100 | 27.900 | 26.600 | 27.600 | 27.600 | 49,131 |
| 2026-07-03 | 26.750 | 27.000 | 26.600 | 26.900 | 26.900 | 64,495 |
| 2026-07-02 | 27.600 | 27.600 | 26.600 | 27.100 | 27.100 | 40,895 |
| 2026-07-01 | 28.550 | 28.550 | 26.600 | 27.600 | 27.600 | 56,311 |
| 2026-06-30 | 28.900 | 29.000 | 27.900 | 28.550 | 28.550 | 48,557 |
| 2026-06-29 | 30.400 | 30.400 | 28.900 | 29.500 | 29.500 | 14,833 |
| 2026-06-26 | 31.000 | 31.000 | 30.000 | 30.500 | 30.500 | 10,103 |
| 2026-06-25 | 30.000 | 31.050 | 29.900 | 31.000 | 31.000 | 86,490 |
| 2026-06-24 | 30.000 | 30.400 | 29.350 | 29.800 | 29.800 | 16,828 |
| 2026-06-23 | 30.400 | 30.550 | 29.100 | 30.050 | 30.050 | 56,431 |
| 2026-06-22 | 30.400 | 30.650 | 30.000 | 30.350 | 30.350 | 70,800 |
| 2026-06-18 | 30.550 | 31.050 | 30.450 | 30.600 | 30.600 | 19,474 |
| 2026-06-17 | 30.250 | 31.750 | 28.850 | 31.050 | 31.050 | 52,520 |
| 2026-06-16 | 31.000 | 31.000 | 30.050 | 31.000 | 31.000 | 25,064 |
| 2026-06-15 | 30.050 | 31.600 | 30.050 | 31.000 | 31.000 | 14,883 |
| 2026-06-12 | 30.150 | 31.100 | 30.050 | 31.100 | 31.100 | 26,207 |
| 2026-06-11 | 31.500 | 31.600 | 27.600 | 31.600 | 31.600 | 37,877 |
| 2026-06-10 | 31.900 | 31.900 | 30.000 | 31.850 | 31.850 | 13,056 |
| 2026-06-09 | 31.900 | 32.100 | 30.550 | 31.850 | 31.850 | 19,913 |
| 2026-06-08 | 29.450 | 32.600 | 29.450 | 32.050 | 32.050 | 107,209 |
| 2026-06-05 | 30.800 | 32.000 | 30.400 | 31.850 | 31.850 | 48,469 |
| 2026-06-04 | 30.950 | 30.950 | 30.000 | 30.800 | 30.800 | 44,628 |
| 2026-06-03 | 31.300 | 31.300 | 30.650 | 30.950 | 30.950 | 40,294 |
| 2026-06-02 | 31.500 | 32.000 | 30.900 | 30.900 | 30.900 | 41,755 |
| 2026-06-01 | 31.450 | 32.900 | 31.350 | 32.000 | 32.000 | 74,057 |
| 2026-05-29 | 32.600 | 32.600 | 31.000 | 32.000 | 32.000 | 78,457 |
| 2026-05-28 | 32.900 | 33.000 | 32.000 | 32.600 | 32.600 | 19,398 |
| 2026-05-27 | 32.650 | 32.800 | 31.600 | 32.600 | 32.600 | 37,800 |
| 2026-05-26 | 31.650 | 32.900 | 31.000 | 32.750 | 32.750 | 43,974 |
| 2026-05-25 | 32.700 | 32.800 | 30.900 | 31.650 | 31.650 | 149,038 |
| 2026-05-22 | 33.200 | 33.300 | 32.050 | 33.100 | 33.100 | 239,058 |
| 2026-05-21 | 27.500 | 31.000 | 27.500 | 31.000 | 31.000 | 74,483 |
| 2026-05-20 | 27.500 | 29.100 | 26.700 | 28.100 | 28.100 | 151,848 |
| 2026-05-19 | 26.200 | 28.300 | 26.200 | 27.750 | 27.750 | 84,180 |
| 2026-05-18 | 25.950 | 27.100 | 25.950 | 27.000 | 27.000 | 48,423 |
| 2026-05-15 | 27.500 | 28.450 | 25.950 | 27.000 | 27.000 | 36,405 |
| 2026-05-14 | 27.000 | 29.450 | 25.450 | 28.450 | 28.450 | 184,930 |
| 2026-05-13 | 27.050 | 27.550 | 26.800 | 26.950 | 26.950 | 110,530 |
| 2026-05-12 | 28.850 | 29.000 | 28.000 | 28.450 | 28.450 | 110,554 |
| 2026-05-11 | 30.400 | 30.400 | 28.800 | 29.400 | 29.400 | 190,158 |
| 2026-05-08 | 29.800 | 31.050 | 29.800 | 31.000 | 31.000 | 47,267 |
| 2026-05-07 | 29.900 | 30.600 | 29.700 | 30.000 | 30.000 | 125,104 |
| 2026-05-06 | 31.200 | 31.600 | 30.300 | 30.500 | 30.500 | 85,958 |
| 2026-05-05 | 31.700 | 32.300 | 30.950 | 31.750 | 31.750 | 74,729 |
| 2026-05-04 | 34.050 | 34.500 | 31.300 | 32.300 | 32.300 | 103,114 |
| 2026-04-30 | 35.900 | 35.900 | 33.350 | 33.650 | 33.650 | 187,419 |
| 2026-04-29 | 30.300 | 36.900 | 30.000 | 36.000 | 36.000 | 333,217 |
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.