Formosa Optical Technology Co Ltd historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-07-28 | 132.50 | 132.50 | 130.00 | 130.00 | 121.25 | 99,145 |
| 2025-07-25 | 134.00 | 134.00 | 132.00 | 132.50 | 123.58 | 44,735 |
| 2025-07-24 | 135.00 | 135.50 | 134.50 | 134.50 | 125.45 | 21,007 |
| 2025-07-23 | 134.00 | 136.00 | 134.00 | 135.00 | 125.92 | 22,033 |
| 2025-07-22 | 140.00 | 142.00 | 134.00 | 134.00 | 124.98 | 138,000 |
| 2025-07-21 | 139.50 | 139.50 | 139.00 | 139.00 | 129.65 | 12,025 |
| 2025-07-18 | 139.00 | 140.00 | 138.50 | 138.50 | 129.18 | 44,007 |
| 2025-07-17 | 139.00 | 140.00 | 139.00 | 139.00 | 129.65 | 52,050 |
| 2025-07-16 | 138.00 | 141.00 | 138.00 | 141.00 | 131.51 | 53,009 |
| 2025-07-15 | 138.50 | 139.50 | 138.50 | 138.50 | 129.18 | 25,014 |
| 2025-07-14 | 140.00 | 140.00 | 138.00 | 138.50 | 129.18 | 71,732 |
| 2025-07-11 | 140.50 | 141.50 | 138.00 | 140.00 | 130.58 | 85,007 |
| 2025-07-10 | 138.50 | 141.00 | 138.50 | 139.00 | 129.65 | 42,000 |
| 2025-07-09 | 139.50 | 140.50 | 138.50 | 138.50 | 129.18 | 43,006 |
| 2025-07-08 | 138.50 | 139.50 | 136.50 | 138.50 | 129.18 | 91,150 |
| 2025-07-07 | 138.50 | 140.00 | 136.50 | 138.50 | 129.18 | 79,006 |
| 2025-07-04 | 141.00 | 142.50 | 140.00 | 140.00 | 130.58 | 48,024 |
| 2025-07-03 | 140.50 | 143.50 | 140.50 | 142.50 | 132.91 | 60,059 |
| 2025-07-02 | 137.50 | 141.50 | 137.50 | 140.50 | 131.05 | 70,746 |
| 2025-07-01 | 141.50 | 142.50 | 139.00 | 139.00 | 129.65 | 189,006 |
| 2025-06-30 | 145.50 | 147.00 | 143.00 | 143.50 | 133.84 | 86,000 |
| 2025-06-27 | 147.00 | 147.00 | 144.00 | 145.00 | 135.24 | 76,066 |
| 2025-06-26 | 144.50 | 150.50 | 144.50 | 145.50 | 135.71 | 189,100 |
| 2025-06-25 | 149.50 | 153.50 | 149.50 | 150.50 | 133.38 | 268,329 |
| 2025-06-24 | 149.50 | 150.50 | 148.50 | 148.50 | 131.61 | 143,082 |
| 2025-06-23 | 145.50 | 150.50 | 145.50 | 149.50 | 132.49 | 84,100 |
| 2025-06-20 | 154.50 | 154.50 | 152.50 | 152.50 | 135.15 | 33,070 |
| 2025-06-19 | 155.50 | 156.50 | 151.50 | 154.50 | 136.92 | 151,030 |
| 2025-06-18 | 158.50 | 160.00 | 156.00 | 157.50 | 139.58 | 54,100 |
| 2025-06-17 | 157.00 | 158.00 | 155.50 | 157.50 | 139.58 | 73,005 |
| 2025-06-16 | 156.00 | 158.50 | 155.00 | 155.50 | 137.81 | 129,005 |
| 2025-06-13 | 162.00 | 162.00 | 158.00 | 158.00 | 140.02 | 131,222 |
| 2025-06-12 | 161.50 | 164.00 | 161.50 | 162.50 | 144.01 | 94,000 |
| 2025-06-11 | 158.00 | 164.50 | 158.00 | 162.50 | 144.01 | 86,005 |
| 2025-06-10 | 165.00 | 165.00 | 160.50 | 161.50 | 143.13 | 95,010 |
| 2025-06-09 | 162.00 | 166.00 | 160.00 | 164.00 | 145.34 | 263,300 |
| 2025-06-06 | 158.50 | 159.50 | 158.00 | 159.00 | 140.91 | 49,012 |
| 2025-06-05 | 158.50 | 159.50 | 156.00 | 158.50 | 140.47 | 68,030 |
| 2025-06-04 | 159.00 | 160.50 | 158.50 | 158.50 | 140.47 | 74,000 |
| 2025-06-03 | 158.00 | 160.00 | 158.00 | 158.50 | 140.47 | 80,157 |
| 2025-06-02 | 157.00 | 159.50 | 156.00 | 156.50 | 138.70 | 89,019 |
| 2025-05-29 | 162.00 | 163.50 | 157.50 | 160.00 | 141.80 | 233,050 |
| 2025-05-28 | 167.50 | 167.50 | 162.00 | 163.00 | 144.46 | 121,244 |
| 2025-05-27 | 167.50 | 167.50 | 163.00 | 165.00 | 146.23 | 207,004 |
| 2025-05-26 | 167.50 | 168.50 | 162.50 | 166.00 | 147.11 | 324,024 |
| 2025-05-23 | 160.50 | 171.00 | 160.50 | 167.50 | 148.44 | 222,750 |
| 2025-05-22 | 162.50 | 163.00 | 157.50 | 160.00 | 141.80 | 265,011 |
| 2025-05-21 | 151.50 | 160.00 | 151.50 | 160.00 | 141.80 | 436,172 |
| 2025-05-20 | 148.50 | 151.50 | 148.50 | 150.50 | 133.38 | 209,110 |
| 2025-05-19 | 150.00 | 152.00 | 145.00 | 147.00 | 130.28 | 207,100 |
| 2025-05-16 | 146.00 | 148.50 | 145.50 | 148.00 | 131.16 | 176,020 |
| 2025-05-15 | 145.00 | 149.00 | 144.50 | 147.50 | 130.72 | 391,437 |
| 2025-05-14 | 144.50 | 145.50 | 142.00 | 143.50 | 127.17 | 193,100 |
| 2025-05-13 | 142.00 | 144.50 | 140.50 | 143.50 | 127.17 | 172,010 |
| 2025-05-12 | 139.00 | 142.50 | 139.00 | 140.50 | 124.52 | 118,100 |
| 2025-05-09 | 142.00 | 142.50 | 140.00 | 141.00 | 124.96 | 52,010 |
| 2025-05-08 | 139.00 | 143.00 | 139.00 | 141.50 | 125.40 | 180,012 |
| 2025-05-07 | 139.00 | 140.50 | 138.00 | 139.00 | 123.19 | 43,085 |
| 2025-05-06 | 137.50 | 140.00 | 137.50 | 139.00 | 123.19 | 90,020 |
| 2025-05-05 | 138.00 | 140.50 | 133.50 | 137.00 | 121.41 | 113,085 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-06-25 | 6.5000 TWD |
| 2025-06-26 | 7.5000 TWD |
| 2024-06-26 | 6.0000 TWD |
| 2023-08-01 | 4.3000 TWD |
| 2022-08-02 | 4.3000 TWD |
| 2021-09-01 | 4.0000 TWD |
| 2020-08-04 | 4.0000 TWD |
| 2019-08-01 | 3.8000 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.