Diamond Biotechnology Co., Ltd historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-28 | 29.850 | 30.300 | 29.800 | 30.300 | 30.300 | 223,686 |
| 2026-04-27 | 30.650 | 31.100 | 29.800 | 29.950 | 29.950 | 265,153 |
| 2026-04-24 | 31.800 | 33.150 | 30.350 | 31.250 | 31.250 | 155,956 |
| 2026-04-23 | 34.750 | 36.250 | 30.900 | 33.000 | 33.000 | 421,296 |
| 2026-04-22 | 37.000 | 37.000 | 35.100 | 35.450 | 35.450 | 247,586 |
| 2026-04-21 | 37.750 | 37.750 | 36.850 | 37.000 | 37.000 | 95,320 |
| 2026-04-20 | 39.150 | 39.150 | 37.000 | 37.550 | 37.550 | 84,673 |
| 2026-04-17 | 39.450 | 39.500 | 37.050 | 39.150 | 39.150 | 183,945 |
| 2026-04-16 | 39.650 | 39.650 | 38.500 | 39.000 | 39.000 | 70,801 |
| 2026-04-15 | 40.150 | 40.150 | 39.350 | 39.500 | 39.500 | 45,579 |
| 2026-04-14 | 39.300 | 40.600 | 37.100 | 40.600 | 40.600 | 50,783 |
| 2026-04-13 | 40.750 | 40.750 | 38.700 | 39.150 | 39.150 | 97,767 |
| 2026-04-10 | 41.100 | 41.100 | 39.850 | 40.750 | 40.750 | 44,280 |
| 2026-04-09 | 41.250 | 41.250 | 40.400 | 41.150 | 41.150 | 33,613 |
| 2026-04-08 | 42.450 | 42.450 | 40.500 | 41.000 | 41.000 | 74,029 |
| 2026-04-07 | 42.950 | 43.100 | 41.800 | 42.500 | 42.500 | 106,611 |
| 2026-04-02 | 39.150 | 43.650 | 39.000 | 42.600 | 42.600 | 58,606 |
| 2026-04-01 | 37.950 | 39.150 | 37.800 | 39.150 | 39.150 | 36,540 |
| 2026-03-31 | 38.650 | 38.650 | 36.950 | 37.950 | 37.950 | 87,371 |
| 2026-03-30 | 40.000 | 40.000 | 38.250 | 38.300 | 38.300 | 73,503 |
| 2026-03-27 | 42.200 | 42.200 | 38.000 | 39.250 | 39.250 | 283,977 |
| 2026-03-26 | 42.350 | 42.350 | 41.850 | 42.200 | 42.200 | 55,720 |
| 2026-03-25 | 42.850 | 42.850 | 41.800 | 42.350 | 42.350 | 51,649 |
| 2026-03-24 | 43.850 | 43.900 | 42.150 | 43.500 | 43.500 | 73,444 |
| 2026-03-23 | 44.000 | 44.000 | 43.400 | 43.900 | 43.900 | 51,340 |
| 2026-03-20 | 44.150 | 44.150 | 43.700 | 44.050 | 44.050 | 66,271 |
| 2026-03-19 | 44.500 | 44.500 | 43.550 | 44.000 | 44.000 | 40,059 |
| 2026-03-18 | 44.350 | 45.000 | 43.850 | 44.200 | 44.200 | 106,921 |
| 2026-03-17 | 45.650 | 45.700 | 43.900 | 44.350 | 44.350 | 195,890 |
| 2026-03-16 | 46.600 | 46.600 | 45.000 | 45.800 | 45.800 | 63,046 |
| 2026-03-13 | 46.350 | 47.000 | 46.050 | 46.650 | 46.650 | 34,594 |
| 2026-03-12 | 47.950 | 48.000 | 46.750 | 46.900 | 46.900 | 41,517 |
| 2026-03-11 | 48.600 | 48.600 | 45.700 | 47.950 | 47.950 | 144,712 |
| 2026-03-10 | 47.500 | 49.300 | 47.000 | 48.400 | 48.400 | 49,289 |
| 2026-03-09 | 50.000 | 50.000 | 45.750 | 47.450 | 47.450 | 149,467 |
| 2026-03-06 | 50.300 | 50.600 | 49.300 | 50.100 | 50.100 | 116,315 |
| 2026-03-05 | 49.500 | 51.400 | 49.350 | 51.100 | 51.100 | 74,619 |
| 2026-03-04 | 51.200 | 51.200 | 48.700 | 49.500 | 49.500 | 98,759 |
| 2026-03-03 | 50.500 | 51.000 | 48.600 | 50.200 | 50.200 | 96,178 |
| 2026-03-02 | 51.500 | 51.500 | 49.550 | 50.500 | 50.500 | 51,237 |
| 2026-02-26 | 52.000 | 52.100 | 49.550 | 52.000 | 52.000 | 44,498 |
| 2026-02-25 | 51.000 | 52.000 | 49.150 | 52.000 | 52.000 | 18,938 |
| 2026-02-24 | 55.200 | 55.200 | 48.500 | 50.900 | 50.900 | 188,681 |
| 2026-02-23 | 59.000 | 59.200 | 53.200 | 55.200 | 55.200 | 103,251 |
| 2026-02-11 | 59.300 | 59.300 | 55.100 | 59.300 | 59.300 | 65,184 |
| 2026-02-10 | 60.000 | 60.000 | 56.600 | 59.300 | 59.300 | 34,373 |
| 2026-02-09 | 61.000 | 64.000 | 57.000 | 60.000 | 60.000 | 84,619 |
| 2026-02-06 | 62.300 | 62.300 | 57.900 | 61.000 | 61.000 | 72,031 |
| 2026-02-05 | 60.000 | 62.500 | 59.500 | 62.300 | 62.300 | 19,274 |
| 2026-02-04 | 61.900 | 62.600 | 59.000 | 61.000 | 61.000 | 18,681 |
| 2026-02-03 | 62.400 | 63.900 | 58.600 | 61.900 | 61.900 | 113,208 |
| 2026-02-02 | 65.000 | 65.000 | 59.500 | 62.400 | 62.400 | 147,529 |
| 2026-01-30 | 66.700 | 70.300 | 62.000 | 65.100 | 65.100 | 423,965 |
| 2026-01-29 | 63.000 | 66.700 | 60.000 | 66.700 | 66.700 | 242,912 |
| 2026-01-28 | 58.200 | 62.500 | 58.200 | 62.000 | 62.000 | 116,566 |
| 2026-01-27 | 62.000 | 64.000 | 59.000 | 60.900 | 60.900 | 58,061 |
| 2026-01-26 | 62.900 | 63.000 | 58.100 | 62.100 | 62.100 | 66,349 |
| 2026-01-23 | 61.800 | 64.900 | 60.000 | 62.900 | 62.900 | 110,312 |
| 2026-01-22 | 66.000 | 66.000 | 61.800 | 64.500 | 64.500 | 118,067 |
| 2026-01-21 | 66.000 | 66.200 | 63.000 | 66.200 | 66.200 | 18,215 |
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.