Asia Optical Co Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-19 | 132.50 | 132.50 | 128.50 | 130.50 | 130.50 | 2,379,310 |
| 2026-10-16 | 133.50 | 138.50 | 133.00 | 134.50 | 134.50 | 2,961,784 |
| 2026-10-15 | 133.50 | 135.50 | 132.50 | 133.00 | 133.00 | 2,603,428 |
| 2026-10-14 | 138.00 | 140.00 | 135.50 | 136.50 | 136.50 | 2,056,427 |
| 2026-10-13 | 138.00 | 139.00 | 135.00 | 137.00 | 137.00 | 2,200,566 |
| 2026-10-12 | 136.50 | 140.00 | 135.00 | 139.00 | 139.00 | 2,174,070 |
| 2026-10-08 | 138.50 | 139.00 | 137.00 | 137.00 | 137.00 | 1,581,575 |
| 2026-10-07 | 140.00 | 141.00 | 137.50 | 138.00 | 138.00 | 2,837,660 |
| 2026-10-06 | 143.00 | 143.50 | 139.50 | 141.00 | 141.00 | 2,568,975 |
| 2026-10-05 | 140.00 | 143.00 | 140.00 | 141.50 | 141.50 | 4,613,163 |
| 2026-10-02 | 137.00 | 139.00 | 136.00 | 139.00 | 139.00 | 2,031,401 |
| 2026-10-01 | 136.50 | 137.50 | 135.50 | 137.00 | 137.00 | 1,823,487 |
| 2026-09-30 | 136.00 | 137.00 | 136.00 | 136.50 | 136.50 | 1,280,082 |
| 2026-09-29 | 135.00 | 137.50 | 134.50 | 135.50 | 135.50 | 1,537,704 |
| 2026-09-24 | 138.50 | 138.50 | 134.00 | 135.00 | 135.00 | 6,204,684 |
| 2026-09-23 | 135.50 | 137.00 | 133.00 | 135.00 | 135.00 | 2,442,601 |
| 2026-09-22 | 138.00 | 138.00 | 135.00 | 135.00 | 135.00 | 1,840,511 |
| 2026-09-21 | 138.50 | 138.50 | 136.00 | 136.00 | 136.00 | 1,431,202 |
| 2026-09-18 | 138.50 | 139.00 | 136.50 | 137.00 | 137.00 | 2,219,339 |
| 2026-09-17 | 138.00 | 139.00 | 135.50 | 136.50 | 136.50 | 2,081,752 |
| 2026-09-16 | 132.50 | 139.00 | 132.50 | 137.50 | 137.50 | 5,990,381 |
| 2026-09-15 | 133.00 | 134.50 | 131.00 | 132.00 | 132.00 | 2,250,062 |
| 2026-09-14 | 136.50 | 138.00 | 132.00 | 134.00 | 134.00 | 3,220,368 |
| 2026-09-11 | 136.50 | 141.50 | 135.50 | 137.50 | 137.50 | 2,655,681 |
| 2026-09-10 | 141.50 | 141.50 | 139.00 | 139.00 | 139.00 | 2,147,335 |
| 2026-09-09 | 139.50 | 143.50 | 139.00 | 142.50 | 142.50 | 3,387,495 |
| 2026-09-08 | 141.50 | 143.50 | 138.50 | 138.50 | 138.50 | 3,661,164 |
| 2026-09-07 | 145.50 | 145.50 | 141.00 | 142.00 | 142.00 | 5,023,661 |
| 2026-09-04 | 146.00 | 147.00 | 140.50 | 144.50 | 144.50 | 7,791,003 |
| 2026-09-03 | 162.00 | 163.00 | 143.00 | 143.00 | 143.00 | 33,236,390 |
| 2026-09-02 | 143.00 | 157.50 | 141.50 | 157.50 | 157.50 | 24,168,834 |
| 2026-09-01 | 143.50 | 152.00 | 142.50 | 143.50 | 143.50 | 8,362,687 |
| 2026-08-31 | 136.50 | 145.00 | 136.50 | 143.00 | 143.00 | 5,783,469 |
| 2026-08-28 | 140.50 | 140.50 | 136.50 | 138.50 | 138.50 | 2,426,451 |
| 2026-08-27 | 137.00 | 143.00 | 137.00 | 138.00 | 138.00 | 6,035,786 |
| 2026-08-26 | 133.00 | 137.50 | 132.50 | 136.00 | 136.00 | 2,815,674 |
| 2026-08-25 | 133.00 | 135.00 | 129.00 | 133.00 | 133.00 | 2,571,301 |
| 2026-08-24 | 136.00 | 138.00 | 133.00 | 133.00 | 133.00 | 1,527,660 |
| 2026-08-21 | 136.50 | 137.00 | 133.50 | 135.50 | 135.50 | 1,531,143 |
| 2026-08-20 | 138.50 | 141.50 | 135.50 | 136.00 | 136.00 | 1,954,669 |
| 2026-08-19 | 133.50 | 139.00 | 133.00 | 136.50 | 136.50 | 2,331,626 |
| 2026-08-18 | 140.00 | 142.00 | 135.50 | 137.50 | 137.50 | 2,244,670 |
| 2026-08-17 | 137.50 | 144.00 | 137.50 | 141.00 | 141.00 | 5,096,473 |
| 2026-08-14 | 140.00 | 140.00 | 137.00 | 137.00 | 137.00 | 1,504,322 |
| 2026-08-13 | 138.50 | 140.50 | 138.50 | 139.00 | 139.00 | 2,413,272 |
| 2026-08-12 | 137.00 | 138.50 | 134.50 | 137.50 | 137.50 | 3,158,933 |
| 2026-08-11 | 135.00 | 141.00 | 132.50 | 138.00 | 138.00 | 4,417,025 |
| 2026-08-10 | 132.00 | 135.00 | 130.50 | 134.50 | 134.50 | 2,311,082 |
| 2026-08-07 | 131.50 | 133.00 | 128.50 | 129.50 | 129.50 | 2,185,391 |
| 2026-08-06 | 131.00 | 131.50 | 128.50 | 131.50 | 131.50 | 3,165,310 |
| 2026-08-05 | 134.00 | 136.00 | 134.00 | 134.00 | 134.00 | 2,798,543 |
| 2026-08-04 | 130.00 | 132.00 | 128.00 | 131.00 | 131.00 | 3,405,929 |
| 2026-08-03 | 127.00 | 134.50 | 127.00 | 133.00 | 133.00 | 2,490,522 |
| 2026-07-31 | 127.00 | 130.50 | 126.00 | 128.00 | 128.00 | 3,766,690 |
| 2026-07-30 | 122.00 | 125.50 | 118.50 | 119.00 | 119.00 | 3,042,040 |
| 2026-07-29 | 126.50 | 128.50 | 118.00 | 123.00 | 123.00 | 5,628,718 |
| 2026-07-28 | 129.00 | 130.50 | 126.00 | 126.00 | 126.00 | 2,967,165 |
| 2026-07-27 | 133.00 | 137.00 | 131.50 | 133.50 | 133.50 | 2,414,715 |
| 2026-07-24 | 135.00 | 136.00 | 130.50 | 132.50 | 132.50 | 3,606,875 |
| 2026-07-23 | 140.50 | 141.00 | 135.50 | 136.50 | 136.50 | 2,109,011 |
Page 1 of 2 · 63 trading daysOlder →
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-06-24 | 4.6000 TWD |
| 2025-06-24 | 4.0000 TWD |
| 2024-06-20 | 1.8000 TWD |
| 2023-06-30 | 1.9000 TWD |
| 2022-07-07 | 3.7000 TWD |
| 2021-08-04 | 1.0000 TWD |
| 2020-07-07 | 2.0000 TWD |
| 2019-07-04 | 2.3000 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.