Asia Optical Co Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-07-29 | 135.00 | 136.50 | 130.00 | 131.50 | 127.65 | 9,054,879 |
| 2025-07-28 | 134.50 | 135.00 | 132.50 | 133.00 | 129.10 | 3,216,889 |
| 2025-07-25 | 135.00 | 135.00 | 132.50 | 133.50 | 129.59 | 5,309,460 |
| 2025-07-24 | 132.50 | 134.50 | 130.50 | 134.50 | 130.56 | 6,817,926 |
| 2025-07-23 | 128.50 | 131.50 | 128.50 | 131.00 | 127.16 | 4,694,128 |
| 2025-07-22 | 132.00 | 133.00 | 126.50 | 126.50 | 122.79 | 5,247,286 |
| 2025-07-21 | 132.00 | 133.50 | 130.50 | 132.00 | 128.13 | 4,773,302 |
| 2025-07-18 | 133.00 | 136.00 | 130.00 | 132.00 | 128.13 | 12,767,184 |
| 2025-07-17 | 128.00 | 134.00 | 127.50 | 132.00 | 128.13 | 12,017,433 |
| 2025-07-16 | 126.00 | 129.00 | 125.00 | 126.50 | 122.79 | 3,846,638 |
| 2025-07-15 | 124.50 | 126.00 | 124.00 | 126.00 | 122.31 | 2,752,709 |
| 2025-07-14 | 126.00 | 126.00 | 124.00 | 124.00 | 120.37 | 2,661,991 |
| 2025-07-11 | 125.50 | 128.50 | 125.50 | 126.50 | 122.79 | 5,504,785 |
| 2025-07-10 | 126.00 | 127.00 | 124.50 | 125.00 | 121.34 | 2,880,238 |
| 2025-07-09 | 123.50 | 126.00 | 122.00 | 126.00 | 122.31 | 3,476,292 |
| 2025-07-08 | 123.50 | 124.50 | 121.50 | 123.50 | 119.88 | 5,260,042 |
| 2025-07-07 | 126.00 | 127.50 | 122.00 | 124.50 | 120.85 | 9,503,161 |
| 2025-07-04 | 134.00 | 134.00 | 125.00 | 126.00 | 122.31 | 21,684,342 |
| 2025-07-03 | 135.50 | 137.00 | 134.50 | 135.00 | 131.04 | 3,748,339 |
| 2025-07-02 | 134.50 | 136.00 | 133.50 | 134.00 | 130.07 | 4,113,241 |
| 2025-07-01 | 137.50 | 139.00 | 135.00 | 135.00 | 131.04 | 5,443,966 |
| 2025-06-30 | 138.50 | 139.00 | 135.50 | 137.00 | 132.99 | 5,047,694 |
| 2025-06-27 | 142.50 | 143.00 | 138.00 | 138.00 | 133.96 | 9,600,625 |
| 2025-06-26 | 141.00 | 144.00 | 141.00 | 141.00 | 136.87 | 16,725,693 |
| 2025-06-25 | 142.50 | 143.00 | 139.50 | 140.00 | 135.90 | 11,152,310 |
| 2025-06-24 | 138.00 | 143.00 | 137.00 | 141.50 | 137.35 | 18,747,278 |
| 2025-06-23 | 135.00 | 136.50 | 133.50 | 135.00 | 127.16 | 6,216,621 |
| 2025-06-20 | 138.00 | 144.00 | 138.00 | 138.00 | 129.99 | 14,543,868 |
| 2025-06-19 | 140.00 | 140.50 | 136.50 | 136.50 | 128.57 | 4,326,398 |
| 2025-06-18 | 139.50 | 141.00 | 138.50 | 139.00 | 130.93 | 5,433,397 |
| 2025-06-17 | 142.50 | 143.00 | 138.50 | 139.50 | 131.40 | 9,727,233 |
| 2025-06-16 | 142.50 | 142.50 | 140.00 | 141.50 | 133.28 | 8,250,628 |
| 2025-06-13 | 148.50 | 149.00 | 142.00 | 142.50 | 134.23 | 24,042,294 |
| 2025-06-12 | 142.00 | 154.00 | 140.00 | 150.00 | 141.29 | 39,550,924 |
| 2025-06-11 | 142.50 | 143.50 | 139.00 | 141.00 | 132.81 | 12,160,090 |
| 2025-06-10 | 138.50 | 141.00 | 137.00 | 140.00 | 131.87 | 14,214,516 |
| 2025-06-09 | 136.50 | 138.50 | 134.50 | 137.00 | 129.05 | 7,928,940 |
| 2025-06-06 | 138.00 | 138.00 | 133.00 | 134.50 | 126.69 | 9,485,400 |
| 2025-06-05 | 139.50 | 142.00 | 136.50 | 138.00 | 129.99 | 18,207,572 |
| 2025-06-04 | 132.50 | 138.50 | 132.50 | 138.00 | 129.99 | 16,555,388 |
| 2025-06-03 | 132.50 | 133.50 | 130.50 | 131.00 | 123.39 | 6,582,422 |
| 2025-06-02 | 132.50 | 133.50 | 129.00 | 131.50 | 123.87 | 7,060,735 |
| 2025-05-29 | 132.50 | 135.00 | 129.50 | 134.00 | 126.22 | 8,032,602 |
| 2025-05-28 | 136.50 | 137.00 | 129.00 | 130.00 | 122.45 | 11,450,750 |
| 2025-05-27 | 137.50 | 140.00 | 132.00 | 134.00 | 126.22 | 8,597,942 |
| 2025-05-26 | 137.00 | 139.00 | 136.00 | 137.00 | 129.05 | 4,946,663 |
| 2025-05-23 | 140.50 | 141.00 | 136.50 | 137.00 | 129.05 | 10,205,741 |
| 2025-05-22 | 136.00 | 141.00 | 133.50 | 139.50 | 131.40 | 16,823,325 |
| 2025-05-21 | 136.50 | 137.00 | 134.00 | 136.50 | 128.57 | 6,980,713 |
| 2025-05-20 | 139.00 | 140.50 | 135.50 | 136.00 | 128.10 | 9,081,218 |
| 2025-05-19 | 143.00 | 145.00 | 136.00 | 136.50 | 128.57 | 19,418,990 |
| 2025-05-16 | 144.00 | 145.00 | 141.00 | 141.50 | 133.28 | 17,295,995 |
| 2025-05-15 | 142.50 | 147.00 | 140.50 | 142.50 | 134.23 | 27,547,230 |
| 2025-05-14 | 142.00 | 142.50 | 139.00 | 141.50 | 133.28 | 15,585,238 |
| 2025-05-13 | 144.50 | 145.50 | 137.00 | 141.00 | 132.81 | 27,795,983 |
| 2025-05-12 | 134.50 | 141.50 | 133.50 | 139.50 | 131.40 | 31,810,008 |
| 2025-05-09 | 126.00 | 134.50 | 124.00 | 133.00 | 125.28 | 18,754,286 |
| 2025-05-08 | 125.50 | 126.50 | 123.00 | 125.00 | 117.74 | 7,791,961 |
| 2025-05-07 | 126.00 | 126.50 | 121.50 | 124.50 | 117.27 | 9,095,790 |
| 2025-05-06 | 123.50 | 127.50 | 123.50 | 125.00 | 117.74 | 11,013,037 |
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.