Diamond Biotechnology Co., Ltd historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-20 | 21.450 | 21.450 | 20.700 | 21.450 | 21.450 | 137 |
| 2026-10-19 | 22.500 | 22.500 | 20.650 | 21.500 | 21.500 | 27,108 |
| 2026-10-16 | 21.150 | 22.500 | 21.100 | 22.500 | 22.500 | 35,904 |
| 2026-10-15 | 22.000 | 22.000 | 21.000 | 21.850 | 21.850 | 7,727 |
| 2026-10-14 | 22.400 | 22.400 | 21.850 | 22.050 | 22.050 | 19,433 |
| 2026-10-13 | 22.000 | 22.400 | 21.800 | 22.400 | 22.400 | 3,204 |
| 2026-10-12 | 22.600 | 22.600 | 22.100 | 22.600 | 22.600 | 4,836 |
| 2026-10-08 | 22.300 | 22.950 | 22.000 | 22.650 | 22.650 | 42,010 |
| 2026-10-07 | 22.400 | 22.400 | 21.900 | 22.200 | 22.200 | 3,237 |
| 2026-10-06 | 22.750 | 22.750 | 21.900 | 22.400 | 22.400 | 8,014 |
| 2026-10-05 | 23.000 | 23.000 | 21.900 | 22.100 | 22.100 | 32,579 |
| 2026-10-02 | 22.800 | 22.800 | 22.000 | 22.450 | 22.450 | 2,234 |
| 2026-10-01 | 22.550 | 22.900 | 22.550 | 22.800 | 22.800 | 17,710 |
| 2026-09-30 | 23.100 | 23.100 | 22.050 | 22.900 | 22.900 | 7,006 |
| 2026-09-29 | 23.850 | 23.850 | 23.000 | 23.100 | 23.100 | 27,504 |
| 2026-09-24 | 23.600 | 23.900 | 23.050 | 23.850 | 23.850 | 3,150 |
| 2026-09-23 | 23.900 | 23.900 | 23.050 | 23.600 | 23.600 | 1,504 |
| 2026-09-22 | 23.950 | 23.950 | 22.800 | 23.800 | 23.800 | 37,002 |
| 2026-09-21 | 22.800 | 23.950 | 22.050 | 22.950 | 22.950 | 19,758 |
| 2026-09-18 | 22.500 | 22.950 | 22.300 | 22.750 | 22.750 | 9,004 |
| 2026-09-17 | 22.500 | 22.500 | 22.150 | 22.500 | 22.500 | 2,914 |
| 2026-09-16 | 22.050 | 22.750 | 22.000 | 22.500 | 22.500 | 40,040 |
| 2026-09-15 | 22.850 | 22.850 | 22.050 | 22.750 | 22.750 | 1,002 |
| 2026-09-14 | 22.750 | 22.950 | 21.900 | 22.850 | 22.850 | 14,894 |
| 2026-09-11 | 22.900 | 22.900 | 22.050 | 22.850 | 22.850 | 6,833 |
| 2026-09-10 | 23.500 | 23.500 | 22.800 | 23.000 | 23.000 | 18,284 |
| 2026-09-09 | 23.550 | 23.550 | 23.050 | 23.550 | 23.550 | 25,877 |
| 2026-09-08 | 23.500 | 23.600 | 23.050 | 23.550 | 23.550 | 6,667 |
| 2026-09-07 | 23.500 | 23.600 | 23.100 | 23.300 | 23.300 | 15,097 |
| 2026-09-04 | 23.500 | 23.500 | 23.100 | 23.450 | 23.450 | 18,693 |
| 2026-09-03 | 23.400 | 23.500 | 23.100 | 23.450 | 23.450 | 20,504 |
| 2026-09-02 | 23.950 | 23.950 | 22.800 | 23.400 | 23.400 | 12,589 |
| 2026-09-01 | 24.800 | 24.900 | 23.000 | 23.500 | 23.500 | 54,136 |
| 2026-08-31 | 25.950 | 25.950 | 24.150 | 24.800 | 24.800 | 17,488 |
| 2026-08-28 | 27.250 | 27.250 | 23.750 | 26.000 | 26.000 | 72,131 |
| 2026-08-27 | 24.400 | 24.400 | 23.700 | 24.000 | 24.000 | 17,373 |
| 2026-08-26 | 24.050 | 24.400 | 23.450 | 24.000 | 24.000 | 61,950 |
| 2026-08-25 | 25.000 | 25.000 | 24.150 | 24.250 | 24.250 | 55,607 |
| 2026-08-24 | 24.700 | 25.000 | 24.550 | 25.000 | 25.000 | 8,652 |
| 2026-08-21 | 24.600 | 25.000 | 24.350 | 25.000 | 25.000 | 1,209 |
| 2026-08-20 | 24.500 | 25.000 | 24.500 | 24.600 | 24.600 | 1,151 |
| 2026-08-19 | 24.950 | 25.000 | 24.400 | 25.000 | 25.000 | 5,015 |
| 2026-08-18 | 24.950 | 24.950 | 24.850 | 24.950 | 24.950 | 6,501 |
| 2026-08-17 | 24.950 | 24.950 | 24.300 | 24.950 | 24.950 | 1,103 |
| 2026-08-14 | 24.300 | 24.950 | 24.300 | 24.950 | 24.950 | 16,021 |
| 2026-08-13 | 24.950 | 25.000 | 23.200 | 25.000 | 25.000 | 24,489 |
| 2026-08-12 | 24.400 | 25.000 | 24.300 | 24.850 | 24.850 | 5,145 |
| 2026-08-11 | 25.000 | 25.000 | 24.300 | 24.850 | 24.850 | 11,108 |
| 2026-08-10 | 24.200 | 25.000 | 24.200 | 25.000 | 25.000 | 13,005 |
| 2026-08-07 | 24.900 | 24.950 | 23.400 | 24.300 | 24.300 | 33,627 |
| 2026-08-06 | 25.850 | 25.850 | 24.250 | 24.600 | 24.600 | 73,496 |
| 2026-08-05 | 25.350 | 26.000 | 25.350 | 25.950 | 25.950 | 33,253 |
| 2026-08-04 | 26.050 | 26.050 | 24.800 | 25.500 | 25.500 | 145,968 |
| 2026-08-03 | 26.000 | 26.800 | 26.000 | 26.700 | 26.700 | 9,586 |
| 2026-07-31 | 25.600 | 26.800 | 25.600 | 26.000 | 26.000 | 17,907 |
| 2026-07-30 | 25.600 | 25.600 | 25.000 | 25.600 | 25.600 | 4,329 |
| 2026-07-29 | 26.550 | 26.550 | 24.800 | 25.450 | 25.450 | 21,205 |
| 2026-07-28 | 26.900 | 27.000 | 25.450 | 26.550 | 26.550 | 30,310 |
| 2026-07-27 | 27.850 | 27.950 | 27.000 | 27.900 | 27.900 | 4,281 |
| 2026-07-24 | 26.800 | 28.100 | 26.800 | 27.950 | 27.950 | 8,104 |
Page 1 of 2 · 63 trading daysOlder →
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.