Ching Chan Optical Technology Co Ltd historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-07-28 | 40.100 | 40.500 | 39.900 | 39.900 | 39.900 | 57,000 |
| 2025-07-25 | 40.000 | 40.600 | 39.600 | 40.100 | 40.100 | 99,000 |
| 2025-07-24 | 40.950 | 40.950 | 39.800 | 40.000 | 40.000 | 70,000 |
| 2025-07-23 | 39.800 | 40.900 | 39.800 | 39.900 | 39.900 | 157,020 |
| 2025-07-22 | 41.000 | 41.000 | 38.750 | 39.100 | 39.100 | 122,000 |
| 2025-07-21 | 41.300 | 41.500 | 40.300 | 40.400 | 40.400 | 100,000 |
| 2025-07-18 | 41.700 | 41.700 | 40.700 | 40.800 | 40.800 | 153,000 |
| 2025-07-17 | 39.800 | 41.250 | 39.800 | 40.450 | 40.450 | 145,000 |
| 2025-07-16 | 39.500 | 40.800 | 39.500 | 39.800 | 39.800 | 170,000 |
| 2025-07-15 | 39.700 | 40.000 | 39.500 | 39.500 | 39.500 | 20,000 |
| 2025-07-14 | 40.400 | 40.400 | 39.600 | 39.600 | 39.600 | 62,000 |
| 2025-07-11 | 40.950 | 40.950 | 39.950 | 40.400 | 40.400 | 109,001 |
| 2025-07-10 | 39.100 | 39.300 | 38.900 | 39.250 | 39.250 | 85,000 |
| 2025-07-09 | 39.200 | 40.000 | 39.200 | 39.300 | 39.300 | 36,001 |
| 2025-07-08 | 39.500 | 39.550 | 38.500 | 39.200 | 39.200 | 102,052 |
| 2025-07-07 | 40.400 | 40.550 | 39.150 | 39.400 | 39.400 | 133,000 |
| 2025-07-04 | 42.050 | 42.100 | 40.300 | 40.300 | 40.300 | 156,000 |
| 2025-07-03 | 43.600 | 43.750 | 41.800 | 42.200 | 42.200 | 191,000 |
| 2025-07-02 | 41.800 | 43.800 | 41.800 | 43.100 | 43.100 | 481,000 |
| 2025-07-01 | 41.400 | 43.500 | 41.250 | 41.500 | 41.500 | 332,000 |
| 2025-06-30 | 41.350 | 41.450 | 40.050 | 40.050 | 40.050 | 157,232 |
| 2025-06-27 | 41.750 | 41.750 | 40.500 | 41.200 | 41.200 | 88,000 |
| 2025-06-26 | 42.400 | 43.150 | 41.400 | 41.700 | 41.700 | 178,100 |
| 2025-06-25 | 42.450 | 43.600 | 41.500 | 42.200 | 42.200 | 157,000 |
| 2025-06-24 | 41.050 | 42.200 | 41.050 | 41.500 | 41.500 | 80,000 |
| 2025-06-23 | 41.150 | 41.150 | 40.000 | 40.800 | 40.800 | 95,040 |
| 2025-06-20 | 42.350 | 42.350 | 41.000 | 41.600 | 41.600 | 88,000 |
| 2025-06-19 | 42.400 | 42.650 | 41.900 | 42.150 | 42.150 | 107,000 |
| 2025-06-18 | 43.850 | 43.850 | 42.550 | 42.600 | 42.600 | 127,100 |
| 2025-06-17 | 43.150 | 44.400 | 43.150 | 43.800 | 43.800 | 155,000 |
| 2025-06-16 | 42.050 | 43.000 | 42.050 | 42.850 | 42.850 | 41,000 |
| 2025-06-13 | 44.650 | 44.650 | 42.500 | 42.750 | 42.750 | 145,000 |
| 2025-06-12 | 44.800 | 45.100 | 44.150 | 44.600 | 44.600 | 109,090 |
| 2025-06-11 | 44.250 | 45.000 | 43.700 | 44.350 | 44.350 | 151,000 |
| 2025-06-10 | 43.600 | 44.200 | 43.350 | 43.700 | 43.700 | 164,177 |
| 2025-06-09 | 44.850 | 45.200 | 43.000 | 43.300 | 43.300 | 224,000 |
| 2025-06-06 | 45.850 | 46.050 | 44.050 | 44.500 | 44.500 | 103,000 |
| 2025-06-05 | 45.900 | 46.600 | 45.050 | 45.900 | 45.900 | 225,000 |
| 2025-06-04 | 44.050 | 45.400 | 44.000 | 45.050 | 45.050 | 144,007 |
| 2025-06-03 | 44.000 | 44.500 | 43.500 | 43.900 | 43.900 | 111,010 |
| 2025-06-02 | 45.500 | 45.500 | 43.500 | 43.850 | 43.850 | 119,000 |
| 2025-05-29 | 47.900 | 47.900 | 45.000 | 45.500 | 45.500 | 161,010 |
| 2025-05-28 | 47.050 | 47.400 | 45.000 | 46.500 | 46.500 | 136,000 |
| 2025-05-27 | 48.100 | 48.650 | 46.150 | 46.200 | 46.200 | 154,200 |
| 2025-05-26 | 47.800 | 48.500 | 47.250 | 48.400 | 48.400 | 168,300 |
| 2025-05-23 | 47.900 | 49.100 | 46.550 | 47.600 | 47.600 | 105,740 |
| 2025-05-22 | 46.250 | 46.400 | 45.300 | 45.850 | 45.850 | 43,270 |
| 2025-05-21 | 46.100 | 46.950 | 46.000 | 46.700 | 46.700 | 129,000 |
| 2025-05-20 | 47.000 | 47.000 | 44.650 | 45.250 | 45.250 | 122,034 |
| 2025-05-19 | 47.400 | 47.800 | 46.150 | 46.150 | 46.150 | 167,271 |
| 2025-05-16 | 48.400 | 48.400 | 47.250 | 47.300 | 47.300 | 194,220 |
| 2025-05-15 | 51.500 | 51.500 | 46.500 | 47.500 | 47.500 | 971,000 |
| 2025-05-14 | 49.050 | 51.000 | 49.000 | 50.600 | 50.600 | 194,010 |
| 2025-05-13 | 51.900 | 51.900 | 48.000 | 48.700 | 48.700 | 298,000 |
| 2025-05-12 | 47.700 | 50.600 | 47.700 | 49.300 | 49.300 | 125,009 |
| 2025-05-09 | 48.600 | 48.700 | 47.600 | 48.100 | 48.100 | 74,300 |
| 2025-05-08 | 48.300 | 48.800 | 48.100 | 48.550 | 48.550 | 83,050 |
| 2025-05-07 | 48.100 | 48.500 | 47.400 | 47.400 | 47.400 | 75,050 |
| 2025-05-06 | 46.650 | 49.250 | 46.650 | 48.500 | 48.500 | 129,056 |
| 2025-05-05 | 53.200 | 53.200 | 48.200 | 48.800 | 48.800 | 285,034 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-08-24 | 0.5000 TWD |
| 2026-04-09 | 1.0000 TWD |
| 2025-08-20 | 0.4859 TWD |
| 2025-04-01 | 0.4859 TWD |
| 2024-08-28 | 0.9718 TWD |
| 2024-04-02 | 1.4578 TWD |
| 2023-04-12 | 1.4578 TWD |
| 2022-04-07 | 1.4578 TWD |
| 2021-08-05 | 0.9718 TWD |
| 2020-07-03 | 0.9718 TWD |
| 2019-07-10 | 1.9437 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.