Diamond Biotechnology Co., Ltd historical data

1M 3M 6M 1Y 5Y MAX Download CSV

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

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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.