Asia Optical Co Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-20 | 143.50 | 144.00 | 141.50 | 143.50 | 139.30 | 4,457,734 |
| 2026-01-19 | 139.50 | 145.00 | 139.00 | 142.50 | 138.32 | 7,332,213 |
| 2026-01-16 | 139.00 | 140.00 | 137.50 | 138.50 | 134.44 | 2,347,442 |
| 2026-01-15 | 139.50 | 140.00 | 136.50 | 137.00 | 132.99 | 2,445,450 |
| 2026-01-14 | 137.00 | 140.50 | 136.50 | 139.50 | 135.41 | 2,372,399 |
| 2026-01-13 | 141.00 | 141.50 | 136.00 | 137.00 | 132.99 | 3,766,452 |
| 2026-01-12 | 141.00 | 142.00 | 140.50 | 140.50 | 136.38 | 2,001,671 |
| 2026-01-09 | 142.50 | 143.50 | 139.50 | 140.50 | 136.38 | 2,571,217 |
| 2026-01-08 | 146.00 | 146.50 | 142.50 | 142.50 | 138.32 | 5,729,703 |
| 2026-01-07 | 144.50 | 148.00 | 141.50 | 148.00 | 143.66 | 11,617,167 |
| 2026-01-06 | 142.50 | 149.50 | 142.00 | 148.00 | 143.66 | 12,601,649 |
| 2026-01-05 | 144.00 | 144.50 | 140.00 | 142.00 | 137.84 | 2,996,905 |
| 2026-01-02 | 140.00 | 145.00 | 139.50 | 143.50 | 139.30 | 4,821,421 |
| 2025-12-31 | 140.00 | 140.00 | 138.00 | 139.00 | 134.93 | 1,532,341 |
| 2025-12-30 | 141.00 | 141.00 | 138.00 | 140.00 | 135.90 | 2,100,412 |
| 2025-12-29 | 140.00 | 143.50 | 140.00 | 141.50 | 137.35 | 4,418,425 |
| 2025-12-26 | 139.00 | 139.50 | 137.00 | 138.50 | 134.44 | 1,493,038 |
| 2025-12-24 | 141.00 | 141.50 | 138.00 | 138.50 | 134.44 | 2,154,597 |
| 2025-12-23 | 140.50 | 142.00 | 139.00 | 139.50 | 135.41 | 2,048,750 |
| 2025-12-22 | 138.00 | 139.50 | 137.50 | 139.00 | 134.93 | 3,152,046 |
| 2025-12-19 | 138.00 | 138.50 | 136.50 | 136.50 | 132.50 | 1,400,187 |
| 2025-12-18 | 139.00 | 140.00 | 136.50 | 136.50 | 132.50 | 2,423,770 |
| 2025-12-17 | 139.50 | 146.00 | 138.50 | 140.00 | 135.90 | 12,308,533 |
| 2025-12-16 | 139.00 | 139.00 | 132.50 | 134.00 | 130.07 | 3,211,621 |
| 2025-12-15 | 136.00 | 137.50 | 135.50 | 137.00 | 132.99 | 994,325 |
| 2025-12-12 | 137.50 | 139.50 | 137.00 | 138.00 | 133.96 | 1,399,215 |
| 2025-12-11 | 139.00 | 139.50 | 136.00 | 137.00 | 132.99 | 1,610,460 |
| 2025-12-10 | 138.50 | 139.50 | 137.00 | 137.00 | 132.99 | 1,437,098 |
| 2025-12-09 | 140.50 | 140.50 | 138.00 | 138.00 | 133.96 | 1,668,625 |
| 2025-12-08 | 139.50 | 140.50 | 137.00 | 140.50 | 136.38 | 2,487,547 |
| 2025-12-05 | 140.50 | 143.00 | 137.00 | 137.50 | 133.47 | 3,868,520 |
| 2025-12-04 | 144.00 | 149.00 | 139.50 | 140.50 | 136.38 | 10,450,290 |
| 2025-12-03 | 138.00 | 139.50 | 137.00 | 138.00 | 133.96 | 1,074,959 |
| 2025-12-02 | 139.00 | 139.50 | 136.50 | 137.00 | 132.99 | 921,889 |
| 2025-12-01 | 140.50 | 140.50 | 137.50 | 138.00 | 133.96 | 1,244,760 |
| 2025-11-28 | 140.50 | 140.50 | 137.50 | 139.00 | 134.93 | 2,189,548 |
| 2025-11-27 | 141.50 | 142.00 | 138.50 | 140.00 | 135.90 | 1,566,300 |
| 2025-11-26 | 136.50 | 140.50 | 136.00 | 140.00 | 135.90 | 3,185,240 |
| 2025-11-25 | 135.50 | 137.00 | 134.50 | 135.50 | 131.53 | 1,955,375 |
| 2025-11-24 | 132.00 | 132.50 | 130.50 | 132.00 | 128.13 | 1,808,168 |
| 2025-11-21 | 132.00 | 134.00 | 130.00 | 131.00 | 127.16 | 2,234,944 |
| 2025-11-20 | 135.00 | 136.00 | 133.50 | 135.50 | 131.53 | 1,678,726 |
| 2025-11-19 | 132.50 | 134.00 | 130.00 | 131.50 | 127.65 | 1,796,302 |
| 2025-11-18 | 134.00 | 136.50 | 131.50 | 131.50 | 127.65 | 3,723,082 |
| 2025-11-17 | 137.00 | 138.00 | 135.00 | 135.50 | 131.53 | 2,381,454 |
| 2025-11-14 | 139.00 | 140.00 | 136.50 | 136.50 | 132.50 | 3,669,967 |
| 2025-11-13 | 141.50 | 143.00 | 139.00 | 141.50 | 137.35 | 3,249,515 |
| 2025-11-12 | 143.00 | 144.50 | 141.50 | 141.50 | 137.35 | 2,655,550 |
| 2025-11-11 | 145.00 | 147.00 | 143.00 | 143.50 | 139.30 | 3,024,949 |
| 2025-11-10 | 145.00 | 147.00 | 143.00 | 143.50 | 139.30 | 3,670,716 |
| 2025-11-07 | 142.00 | 142.50 | 140.50 | 142.00 | 137.84 | 2,739,921 |
| 2025-11-06 | 146.00 | 146.00 | 142.00 | 143.50 | 139.30 | 3,368,717 |
| 2025-11-05 | 141.00 | 145.00 | 140.50 | 144.50 | 140.27 | 3,041,778 |
| 2025-11-04 | 152.50 | 152.50 | 144.00 | 144.00 | 139.78 | 7,594,779 |
| 2025-11-03 | 155.00 | 155.50 | 151.00 | 152.00 | 147.55 | 6,546,547 |
| 2025-10-31 | 151.50 | 159.00 | 151.00 | 157.00 | 152.40 | 10,138,774 |
| 2025-10-30 | 153.50 | 153.50 | 149.00 | 150.00 | 145.61 | 2,550,314 |
| 2025-10-29 | 153.00 | 154.00 | 152.00 | 152.00 | 147.55 | 2,751,209 |
| 2025-10-28 | 152.50 | 153.00 | 150.00 | 151.50 | 147.06 | 2,346,831 |
| 2025-10-27 | 150.50 | 152.50 | 148.50 | 152.00 | 147.55 | 2,844,594 |
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.