BiOptic Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-23 | 34.000 | 34.000 | 34.000 | 34.000 | 33.488 | 0 |
| 2026-07-22 | 33.000 | 34.000 | 33.000 | 34.000 | 33.488 | 11,000 |
| 2026-07-21 | 33.500 | 33.500 | 33.000 | 33.000 | 32.503 | 3,003 |
| 2026-07-20 | 33.500 | 33.500 | 32.850 | 32.850 | 32.355 | 1,400 |
| 2026-07-17 | 33.200 | 33.500 | 32.850 | 32.850 | 32.355 | 12,000 |
| 2026-07-16 | 34.000 | 34.200 | 33.850 | 34.000 | 33.488 | 26,003 |
| 2026-07-15 | 34.200 | 34.500 | 33.900 | 34.200 | 33.685 | 15,100 |
| 2026-07-14 | 35.600 | 35.600 | 35.600 | 35.600 | 35.064 | 101 |
| 2026-07-13 | 35.000 | 35.000 | 35.000 | 35.000 | 34.473 | 1,000 |
| 2026-07-10 | 35.000 | 35.000 | 35.000 | 35.000 | 34.473 | 0 |
| 2026-07-09 | 35.000 | 35.500 | 34.600 | 35.000 | 34.473 | 23,103 |
| 2026-07-08 | 35.000 | 35.000 | 34.000 | 34.300 | 33.783 | 18,000 |
| 2026-07-07 | 34.400 | 35.500 | 34.400 | 34.500 | 33.980 | 22,695 |
| 2026-07-06 | 34.250 | 34.250 | 34.250 | 34.250 | 33.734 | 0 |
| 2026-07-03 | 33.950 | 34.250 | 33.900 | 34.250 | 33.734 | 14,004 |
| 2026-07-02 | 34.000 | 34.000 | 34.000 | 34.000 | 33.488 | 2,000 |
| 2026-07-01 | 33.900 | 34.500 | 33.800 | 34.000 | 33.488 | 30,403 |
| 2026-06-30 | 34.000 | 34.000 | 34.000 | 34.000 | 33.488 | 3,000 |
| 2026-06-29 | 33.900 | 34.750 | 33.900 | 34.750 | 34.227 | 11,002 |
| 2026-06-26 | 34.000 | 34.400 | 33.250 | 34.400 | 33.882 | 24,843 |
| 2026-06-25 | 34.850 | 34.850 | 34.000 | 34.400 | 33.882 | 19,000 |
| 2026-06-24 | 34.200 | 34.500 | 34.000 | 34.000 | 33.488 | 35,729 |
| 2026-06-23 | 34.950 | 34.950 | 33.750 | 34.800 | 34.276 | 15,597 |
| 2026-06-22 | 34.050 | 34.950 | 34.000 | 34.750 | 34.227 | 37,130 |
| 2026-06-18 | 34.200 | 34.950 | 34.000 | 34.950 | 34.424 | 31,891 |
| 2026-06-17 | 34.900 | 34.900 | 34.300 | 34.300 | 33.783 | 5,000 |
| 2026-06-16 | 34.200 | 35.000 | 34.000 | 35.000 | 34.473 | 64,003 |
| 2026-06-15 | 35.050 | 35.050 | 34.200 | 35.000 | 34.473 | 9,004 |
| 2026-06-12 | 34.500 | 34.800 | 34.300 | 34.300 | 33.783 | 16,000 |
| 2026-06-11 | 34.600 | 34.800 | 34.400 | 34.800 | 34.276 | 31,053 |
| 2026-06-10 | 35.400 | 35.400 | 34.550 | 34.550 | 34.030 | 7,700 |
| 2026-06-09 | 35.800 | 35.800 | 34.550 | 34.550 | 34.030 | 7,003 |
| 2026-06-08 | 34.600 | 35.800 | 34.600 | 34.600 | 34.079 | 12,030 |
| 2026-06-05 | 35.800 | 35.800 | 35.800 | 35.800 | 35.261 | 1,000 |
| 2026-06-04 | 35.000 | 35.850 | 35.000 | 35.850 | 35.310 | 10,203 |
| 2026-06-03 | 35.500 | 35.900 | 35.000 | 35.300 | 34.768 | 37,410 |
| 2026-06-02 | 34.700 | 35.000 | 34.650 | 34.650 | 34.128 | 7,236 |
| 2026-06-01 | 35.500 | 36.000 | 34.650 | 35.700 | 35.162 | 61,088 |
| 2026-05-29 | 34.650 | 35.500 | 34.650 | 35.500 | 34.965 | 2,000 |
| 2026-05-28 | 34.650 | 35.000 | 34.650 | 35.000 | 34.473 | 11,150 |
| 2026-05-27 | 36.000 | 36.000 | 34.550 | 34.650 | 34.128 | 39,714 |
| 2026-05-26 | 34.700 | 35.500 | 34.600 | 35.050 | 34.522 | 18,693 |
| 2026-05-25 | 36.300 | 36.300 | 34.700 | 35.200 | 34.670 | 16,062 |
| 2026-05-22 | 36.400 | 36.400 | 34.900 | 35.300 | 34.768 | 26,002 |
| 2026-05-21 | 36.300 | 36.500 | 34.200 | 35.200 | 34.670 | 92,081 |
| 2026-05-20 | 36.000 | 36.000 | 35.100 | 35.500 | 34.965 | 11,100 |
| 2026-05-19 | 35.900 | 36.000 | 35.000 | 35.500 | 34.965 | 21,986 |
| 2026-05-18 | 35.200 | 35.200 | 35.200 | 35.200 | 34.670 | 3,000 |
| 2026-05-15 | 35.500 | 35.850 | 34.700 | 35.200 | 34.670 | 18,000 |
| 2026-05-14 | 34.650 | 35.000 | 34.650 | 34.650 | 34.128 | 20,000 |
| 2026-05-13 | 34.650 | 35.900 | 34.650 | 34.650 | 34.128 | 6,055 |
| 2026-05-12 | 35.200 | 35.200 | 34.000 | 34.650 | 34.128 | 43,703 |
| 2026-05-11 | 35.000 | 35.300 | 34.200 | 34.550 | 34.030 | 35,243 |
| 2026-05-08 | 33.900 | 35.300 | 33.800 | 34.300 | 33.783 | 40,522 |
| 2026-05-07 | 34.500 | 35.500 | 34.000 | 34.500 | 33.980 | 37,810 |
| 2026-05-06 | 35.300 | 35.500 | 34.500 | 34.500 | 33.980 | 30,476 |
| 2026-05-05 | 36.000 | 37.000 | 35.000 | 35.300 | 34.768 | 59,009 |
| 2026-05-04 | 36.150 | 37.000 | 36.000 | 36.500 | 35.950 | 17,102 |
| 2026-04-30 | 36.350 | 37.000 | 36.100 | 36.500 | 35.950 | 42,355 |
| 2026-04-29 | 36.500 | 38.000 | 36.150 | 37.000 | 36.443 | 26,013 |
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.