YCS historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-20 | 90.800 | 91.300 | 88.500 | 90.700 | 90.326 | 73,574 |
| 2026-01-19 | 93.900 | 93.900 | 90.000 | 91.000 | 90.624 | 133,557 |
| 2026-01-16 | 92.600 | 94.000 | 92.200 | 93.100 | 92.716 | 29,232 |
| 2026-01-15 | 94.000 | 94.300 | 91.700 | 92.400 | 92.019 | 57,736 |
| 2026-01-14 | 94.600 | 94.600 | 92.700 | 94.000 | 93.612 | 19,901 |
| 2026-01-13 | 95.000 | 95.600 | 93.000 | 94.700 | 94.309 | 64,464 |
| 2026-01-12 | 97.900 | 97.900 | 93.500 | 94.800 | 94.409 | 75,048 |
| 2026-01-09 | 93.200 | 97.700 | 92.100 | 97.000 | 96.600 | 44,985 |
| 2026-01-08 | 91.700 | 93.300 | 91.700 | 92.900 | 92.517 | 14,270 |
| 2026-01-07 | 94.200 | 94.200 | 91.100 | 92.400 | 92.019 | 68,103 |
| 2026-01-06 | 100.00 | 100.50 | 89.700 | 94.400 | 94.010 | 175,966 |
| 2026-01-05 | 98.000 | 103.50 | 97.200 | 101.00 | 100.58 | 147,560 |
| 2026-01-02 | 97.300 | 97.700 | 92.000 | 97.200 | 96.799 | 93,225 |
| 2025-12-31 | 96.700 | 98.300 | 95.700 | 97.300 | 96.898 | 118,921 |
| 2025-12-30 | 91.200 | 99.700 | 91.200 | 97.900 | 97.496 | 218,905 |
| 2025-12-29 | 85.500 | 95.700 | 85.500 | 91.300 | 90.923 | 204,684 |
| 2025-12-26 | 86.200 | 86.300 | 84.700 | 85.800 | 85.446 | 23,216 |
| 2025-12-24 | 89.100 | 89.100 | 85.200 | 85.900 | 85.545 | 30,624 |
| 2025-12-23 | 86.000 | 89.500 | 85.500 | 89.200 | 88.832 | 17,329 |
| 2025-12-22 | 84.900 | 86.000 | 83.900 | 86.000 | 85.645 | 16,072 |
| 2025-12-19 | 85.600 | 85.700 | 84.000 | 84.900 | 84.550 | 32,313 |
| 2025-12-18 | 82.200 | 90.000 | 81.900 | 85.800 | 85.446 | 171,251 |
| 2025-12-17 | 80.400 | 82.300 | 80.000 | 82.300 | 81.960 | 28,740 |
| 2025-12-16 | 80.300 | 80.500 | 79.900 | 80.400 | 80.068 | 5,285 |
| 2025-12-15 | 80.700 | 80.800 | 79.300 | 80.200 | 79.869 | 19,228 |
| 2025-12-12 | 80.300 | 81.000 | 80.300 | 80.800 | 80.466 | 5,383 |
| 2025-12-11 | 81.000 | 81.000 | 80.500 | 80.800 | 80.466 | 4,548 |
| 2025-12-10 | 81.000 | 81.000 | 80.300 | 81.000 | 80.666 | 7,098 |
| 2025-12-09 | 80.600 | 81.000 | 80.600 | 81.000 | 80.666 | 3,355 |
| 2025-12-08 | 81.000 | 81.000 | 80.000 | 81.000 | 80.666 | 21,081 |
| 2025-12-05 | 80.600 | 81.500 | 80.200 | 80.800 | 80.466 | 27,344 |
| 2025-12-04 | 80.800 | 81.700 | 80.400 | 81.200 | 80.865 | 34,446 |
| 2025-12-03 | 80.500 | 82.300 | 80.500 | 81.900 | 81.562 | 20,457 |
| 2025-12-02 | 79.300 | 82.300 | 79.300 | 82.200 | 81.861 | 28,492 |
| 2025-12-01 | 78.200 | 79.200 | 78.000 | 79.200 | 78.873 | 67,478 |
| 2025-11-28 | 76.400 | 80.300 | 76.400 | 79.300 | 78.973 | 32,682 |
| 2025-11-27 | 76.000 | 76.500 | 75.700 | 76.500 | 76.184 | 30,213 |
| 2025-11-26 | 75.700 | 76.300 | 75.600 | 75.700 | 75.388 | 14,652 |
| 2025-11-25 | 75.300 | 76.200 | 75.100 | 75.800 | 75.487 | 37,618 |
| 2025-11-24 | 76.500 | 76.500 | 75.100 | 75.500 | 75.188 | 22,129 |
| 2025-11-21 | 78.000 | 78.000 | 75.600 | 76.400 | 76.085 | 41,310 |
| 2025-11-20 | 77.900 | 79.200 | 77.100 | 78.200 | 77.877 | 34,939 |
| 2025-11-19 | 79.100 | 79.100 | 76.200 | 77.700 | 77.379 | 30,610 |
| 2025-11-18 | 79.200 | 79.300 | 78.500 | 79.200 | 78.873 | 16,853 |
| 2025-11-17 | 79.700 | 79.700 | 78.500 | 79.400 | 79.072 | 4,604 |
| 2025-11-14 | 80.100 | 80.200 | 78.100 | 78.400 | 78.076 | 21,214 |
| 2025-11-13 | 80.300 | 80.600 | 78.800 | 80.100 | 79.769 | 72,214 |
| 2025-11-12 | 80.000 | 81.500 | 79.500 | 80.200 | 79.869 | 77,284 |
| 2025-11-11 | 80.100 | 81.900 | 75.000 | 79.900 | 79.570 | 98,676 |
| 2025-11-10 | 81.700 | 81.900 | 78.400 | 79.400 | 79.072 | 67,243 |
| 2025-11-07 | 81.800 | 84.000 | 80.300 | 81.900 | 81.562 | 43,341 |
| 2025-11-06 | 82.200 | 83.900 | 81.400 | 83.000 | 82.657 | 6,757 |
| 2025-11-05 | 81.100 | 84.000 | 81.100 | 82.200 | 81.861 | 11,148 |
| 2025-11-04 | 81.500 | 83.000 | 81.000 | 83.000 | 82.657 | 12,005 |
| 2025-11-03 | 84.200 | 84.200 | 80.000 | 82.500 | 82.159 | 12,455 |
| 2025-10-31 | 84.200 | 84.200 | 84.100 | 84.100 | 83.753 | 3,564 |
| 2025-10-30 | 82.700 | 84.600 | 80.700 | 84.200 | 83.852 | 11,443 |
| 2025-10-29 | 83.000 | 84.500 | 83.000 | 84.000 | 83.653 | 31,735 |
| 2025-10-28 | 82.600 | 83.000 | 81.900 | 82.500 | 82.159 | 28,707 |
| 2025-10-27 | 81.600 | 82.800 | 81.500 | 82.000 | 81.662 | 30,743 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-07-23 | 0.4995 TWD |
| 2025-07-16 | 2.4000 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.