Asia Optical Co Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-23 | 150.00 | 150.50 | 148.00 | 148.50 | 144.15 | 2,395,229 |
| 2025-10-22 | 150.50 | 154.00 | 150.00 | 152.00 | 147.55 | 2,174,104 |
| 2025-10-21 | 150.50 | 154.00 | 150.50 | 151.50 | 147.06 | 4,096,552 |
| 2025-10-20 | 147.00 | 149.00 | 146.00 | 149.00 | 144.63 | 2,075,637 |
| 2025-10-17 | 149.00 | 150.50 | 146.50 | 146.50 | 142.21 | 2,891,865 |
| 2025-10-16 | 147.00 | 151.50 | 146.50 | 149.00 | 144.63 | 4,268,602 |
| 2025-10-15 | 146.00 | 147.50 | 144.00 | 145.50 | 141.24 | 4,020,565 |
| 2025-10-14 | 156.00 | 156.50 | 144.00 | 144.50 | 140.27 | 8,717,291 |
| 2025-10-13 | 150.00 | 155.00 | 149.50 | 154.00 | 149.49 | 5,178,591 |
| 2025-10-09 | 162.50 | 162.50 | 159.00 | 159.50 | 154.83 | 4,499,432 |
| 2025-10-08 | 159.50 | 162.50 | 157.50 | 162.50 | 157.74 | 4,095,321 |
| 2025-10-07 | 159.00 | 163.50 | 158.00 | 161.00 | 156.28 | 7,828,541 |
| 2025-10-03 | 156.00 | 157.50 | 155.00 | 155.00 | 150.46 | 2,408,228 |
| 2025-10-02 | 159.00 | 159.00 | 155.50 | 155.50 | 150.94 | 2,876,617 |
| 2025-10-01 | 159.50 | 161.00 | 157.00 | 157.00 | 152.40 | 3,377,842 |
| 2025-09-30 | 156.50 | 159.50 | 154.50 | 158.50 | 153.86 | 4,286,633 |
| 2025-09-29 | 155.50 | 155.50 | 155.50 | 155.50 | 150.94 | 0 |
| 2025-09-26 | 161.00 | 161.00 | 153.00 | 155.50 | 150.94 | 9,201,687 |
| 2025-09-25 | 161.00 | 164.00 | 161.00 | 161.50 | 156.77 | 4,213,471 |
| 2025-09-24 | 162.00 | 162.50 | 158.50 | 161.00 | 156.28 | 4,730,783 |
| 2025-09-23 | 165.00 | 166.00 | 161.00 | 161.50 | 156.77 | 6,690,047 |
| 2025-09-22 | 164.00 | 166.00 | 161.50 | 165.00 | 160.17 | 10,475,736 |
| 2025-09-19 | 159.50 | 163.50 | 157.50 | 162.50 | 157.74 | 5,868,477 |
| 2025-09-18 | 159.00 | 160.00 | 157.50 | 158.00 | 153.37 | 3,986,416 |
| 2025-09-17 | 159.50 | 161.50 | 157.00 | 157.50 | 152.89 | 6,535,659 |
| 2025-09-16 | 162.00 | 164.00 | 159.00 | 161.00 | 156.28 | 7,222,637 |
| 2025-09-15 | 169.00 | 169.50 | 159.50 | 161.50 | 156.77 | 11,541,420 |
| 2025-09-12 | 169.00 | 173.00 | 166.00 | 167.00 | 162.11 | 17,414,469 |
| 2025-09-11 | 169.00 | 171.50 | 165.00 | 165.50 | 160.65 | 13,059,983 |
| 2025-09-10 | 170.50 | 172.50 | 167.00 | 167.00 | 162.11 | 12,104,933 |
| 2025-09-09 | 175.50 | 180.00 | 167.00 | 169.00 | 164.05 | 44,292,693 |
| 2025-09-08 | 170.00 | 171.50 | 166.00 | 171.50 | 166.48 | 14,481,910 |
| 2025-09-05 | 167.50 | 170.00 | 166.00 | 167.50 | 162.59 | 16,435,590 |
| 2025-09-04 | 169.00 | 172.00 | 162.00 | 164.00 | 159.19 | 23,601,475 |
| 2025-09-03 | 161.50 | 167.50 | 160.00 | 167.50 | 162.59 | 22,513,995 |
| 2025-09-02 | 162.00 | 163.50 | 155.00 | 158.50 | 153.86 | 7,925,328 |
| 2025-09-01 | 164.00 | 166.00 | 159.00 | 159.50 | 154.83 | 9,466,523 |
| 2025-08-29 | 167.00 | 168.00 | 164.00 | 165.00 | 160.17 | 8,867,723 |
| 2025-08-28 | 166.00 | 171.00 | 164.00 | 164.00 | 159.19 | 14,759,588 |
| 2025-08-27 | 166.50 | 171.00 | 165.00 | 165.50 | 160.65 | 21,502,787 |
| 2025-08-26 | 164.50 | 166.50 | 161.50 | 164.50 | 159.68 | 13,942,843 |
| 2025-08-25 | 160.00 | 167.00 | 160.00 | 164.50 | 159.68 | 21,383,248 |
| 2025-08-22 | 158.50 | 159.50 | 155.00 | 155.50 | 150.94 | 7,696,566 |
| 2025-08-21 | 157.00 | 162.00 | 156.50 | 159.00 | 154.34 | 12,143,610 |
| 2025-08-20 | 158.50 | 161.50 | 153.00 | 154.50 | 149.97 | 17,694,629 |
| 2025-08-19 | 165.00 | 165.00 | 157.50 | 158.50 | 153.86 | 16,129,181 |
| 2025-08-18 | 164.50 | 167.50 | 163.00 | 164.50 | 159.68 | 17,346,126 |
| 2025-08-15 | 161.50 | 166.00 | 159.50 | 164.50 | 159.68 | 26,006,897 |
| 2025-08-14 | 171.50 | 173.00 | 159.50 | 160.50 | 155.80 | 80,627,950 |
| 2025-08-13 | 156.00 | 168.50 | 155.50 | 168.50 | 163.56 | 86,276,945 |
| 2025-08-12 | 150.50 | 154.50 | 149.50 | 153.50 | 149.00 | 15,677,331 |
| 2025-08-11 | 151.50 | 151.50 | 148.00 | 150.50 | 146.09 | 11,421,002 |
| 2025-08-08 | 149.50 | 153.50 | 148.00 | 152.00 | 147.55 | 25,619,053 |
| 2025-08-07 | 153.50 | 153.50 | 147.00 | 147.00 | 142.69 | 23,262,107 |
| 2025-08-06 | 155.00 | 155.50 | 151.00 | 152.50 | 148.03 | 16,848,361 |
| 2025-08-05 | 155.00 | 162.00 | 153.00 | 154.00 | 149.49 | 78,382,234 |
| 2025-08-04 | 143.00 | 151.00 | 143.00 | 151.00 | 146.58 | 52,152,574 |
| 2025-08-01 | 130.50 | 130.50 | 130.50 | 130.50 | 126.68 | 0 |
| 2025-07-31 | 131.50 | 132.00 | 130.50 | 130.50 | 126.68 | 2,305,920 |
| 2025-07-30 | 132.00 | 132.50 | 129.00 | 130.50 | 126.68 | 2,534,911 |
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.