BiOptic Inc. historical data

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

Date	Open	High	Low	Close	Adj. close	Volume
2026-10-20	29.750	30.300	29.750	30.000	30.000	7,243
2026-10-19	30.700	30.700	30.100	30.100	30.100	6,000
2026-10-16	30.700	31.000	30.700	31.000	31.000	5,030
2026-10-15	31.000	31.000	30.700	30.700	30.700	3,001
2026-10-14	30.700	31.500	30.500	31.300	31.300	27,252
2026-10-13	31.000	31.200	30.800	31.200	31.200	5,003
2026-10-12	31.000	31.300	30.900	31.000	31.000	15,151
2026-10-08	30.900	31.200	30.900	31.000	31.000	6,136
2026-10-07	32.000	32.500	32.000	32.000	32.000	5,525
2026-10-06	31.000	31.150	31.000	31.150	31.150	4,000
2026-10-05	31.600	31.600	31.000	31.000	31.000	7,000
2026-10-02	32.000	32.000	30.900	31.000	31.000	4,760
2026-10-01	31.300	31.300	31.300	31.300	31.300	0
2026-09-30	31.000	31.300	31.000	31.300	31.300	6,000
2026-09-29	31.500	31.500	31.500	31.500	31.500	0
2026-09-24	31.000	31.700	31.000	31.500	31.500	6,000
2026-09-23	31.700	31.900	31.300	31.800	31.800	34,195
2026-09-22	31.600	32.350	31.600	31.700	31.700	18,051
2026-09-21	32.000	32.300	31.600	32.000	32.000	20,396
2026-09-18	32.000	32.300	32.000	32.300	32.300	12,000
2026-09-17	32.150	32.500	32.100	32.300	32.300	15,002
2026-09-16	32.050	33.300	32.050	33.000	33.000	6,100
2026-09-15	33.000	33.000	33.000	33.000	33.000	0
2026-09-14	33.000	33.000	32.400	33.000	33.000	26,000
2026-09-11	32.800	32.800	32.050	32.400	32.400	10,237
2026-09-10	33.300	33.300	33.300	33.300	33.300	3,000
2026-09-09	32.100	33.000	32.100	33.000	33.000	16,510
2026-09-08	32.100	32.100	32.100	32.100	32.100	2,000
2026-09-07	33.600	33.600	33.600	33.600	33.600	1,000
2026-09-04	33.600	33.600	33.600	33.600	33.600	0
2026-09-03	33.600	33.600	33.600	33.600	33.600	1,000
2026-09-02	33.600	33.600	33.600	33.600	33.600	1,000
2026-09-01	32.100	32.800	32.100	32.500	32.500	5,126
2026-08-31	32.850	33.000	31.650	32.950	32.950	52,410
2026-08-28	33.200	33.200	33.150	33.150	33.150	6,000
2026-08-27	33.200	33.200	33.200	33.200	33.200	1,000
2026-08-26	33.200	33.500	33.150	33.500	33.500	5,068
2026-08-25	33.200	33.200	33.200	33.200	33.200	1,040
2026-08-24	34.000	34.000	33.200	33.200	32.700	1,115
2026-08-21	33.450	33.700	33.450	33.700	33.193	9,000
2026-08-20	33.200	33.200	33.000	33.150	32.651	18,000
2026-08-19	33.350	33.600	33.150	33.350	32.848	55,000
2026-08-18	33.000	34.000	32.900	33.300	32.799	38,955
2026-08-17	34.000	34.000	33.100	34.000	33.488	9,053
2026-08-14	33.500	33.500	33.100	33.100	32.602	3,367
2026-08-13	33.500	34.000	33.500	33.800	33.291	11,200
2026-08-12	33.800	34.250	33.800	34.250	33.734	3,003
2026-08-11	33.500	33.800	33.200	33.800	33.291	5,001
2026-08-10	33.100	33.300	33.100	33.300	32.799	5,100
2026-08-07	33.400	33.400	33.400	33.400	32.897	1,000
2026-08-06	33.450	34.400	33.450	34.400	33.882	11,400
2026-08-05	33.500	33.800	33.450	33.800	33.291	6,001
2026-08-04	33.100	33.900	33.100	33.900	33.390	14,000
2026-08-03	33.350	33.350	33.350	33.350	32.848	0
2026-07-31	33.050	33.550	33.050	33.350	32.848	13,000
2026-07-30	33.050	33.800	33.050	33.800	33.291	4,000
2026-07-29	33.000	33.400	33.000	33.400	32.897	4,130
2026-07-28	33.050	33.050	33.050	33.050	32.552	1,000
2026-07-27	33.050	33.900	33.050	33.850	33.340	12,000
2026-07-24	34.000	34.000	34.000	34.000	33.488	0

Page 1 of 3 · 126 trading daysOlder →

Stock splits

No stock splits on record.

Dividends

Ex-date	Amount
2026-08-25	0.5000 TWD
2025-08-20	0.3300 TWD
2024-08-21	0.2268 TWD
2023-08-24	1.1000 TWD
2022-08-25	0.5500 TWD

Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.