Diamond Biotechnology Co., Ltd historical data

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

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

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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.