Tons Lightology historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-28 | 16.600 | 16.850 | 16.350 | 16.450 | 16.450 | 40,813 |
| 2026-04-27 | 16.650 | 16.650 | 16.400 | 16.400 | 16.400 | 44,896 |
| 2026-04-24 | 16.750 | 16.750 | 16.600 | 16.600 | 16.600 | 28,000 |
| 2026-04-23 | 16.900 | 16.900 | 16.650 | 16.850 | 16.850 | 42,200 |
| 2026-04-22 | 16.950 | 16.950 | 16.800 | 16.950 | 16.950 | 44,906 |
| 2026-04-21 | 16.900 | 16.950 | 16.850 | 16.950 | 16.950 | 43,613 |
| 2026-04-20 | 17.000 | 17.050 | 16.900 | 17.000 | 17.000 | 59,030 |
| 2026-04-17 | 17.000 | 17.000 | 16.950 | 16.950 | 16.950 | 43,194 |
| 2026-04-16 | 17.000 | 17.050 | 16.950 | 17.000 | 17.000 | 18,387 |
| 2026-04-15 | 17.000 | 17.050 | 17.000 | 17.000 | 17.000 | 28,010 |
| 2026-04-14 | 17.150 | 17.150 | 16.950 | 16.950 | 16.950 | 41,677 |
| 2026-04-13 | 17.150 | 17.500 | 17.000 | 17.100 | 17.100 | 66,160 |
| 2026-04-10 | 17.450 | 17.450 | 17.100 | 17.150 | 17.150 | 91,097 |
| 2026-04-09 | 17.500 | 17.500 | 17.250 | 17.500 | 17.500 | 35,000 |
| 2026-04-08 | 17.550 | 17.600 | 17.500 | 17.500 | 17.500 | 22,000 |
| 2026-04-07 | 17.600 | 17.600 | 17.500 | 17.550 | 17.550 | 56,000 |
| 2026-04-02 | 17.600 | 17.600 | 17.600 | 17.600 | 17.600 | 7,047 |
| 2026-04-01 | 17.650 | 17.700 | 17.600 | 17.700 | 17.700 | 20,001 |
| 2026-03-31 | 17.750 | 17.750 | 17.550 | 17.700 | 17.700 | 15,010 |
| 2026-03-30 | 17.750 | 17.750 | 17.600 | 17.650 | 17.650 | 40,001 |
| 2026-03-27 | 17.650 | 17.800 | 17.600 | 17.800 | 17.800 | 16,000 |
| 2026-03-26 | 17.850 | 17.850 | 17.650 | 17.650 | 17.650 | 7,001 |
| 2026-03-25 | 17.900 | 17.900 | 17.650 | 17.650 | 17.650 | 29,063 |
| 2026-03-24 | 17.700 | 17.700 | 17.600 | 17.700 | 17.700 | 18,007 |
| 2026-03-23 | 17.650 | 17.700 | 17.600 | 17.700 | 17.700 | 40,032 |
| 2026-03-20 | 17.650 | 17.800 | 17.650 | 17.800 | 17.800 | 15,111 |
| 2026-03-19 | 17.800 | 17.850 | 17.600 | 17.850 | 17.850 | 43,131 |
| 2026-03-18 | 18.000 | 18.000 | 17.800 | 17.800 | 17.800 | 12,002 |
| 2026-03-17 | 18.000 | 18.000 | 17.700 | 17.900 | 17.900 | 16,116 |
| 2026-03-16 | 18.100 | 18.100 | 17.750 | 17.900 | 17.900 | 9,000 |
| 2026-03-13 | 17.800 | 17.900 | 17.650 | 17.900 | 17.900 | 26,015 |
| 2026-03-12 | 18.000 | 18.000 | 17.600 | 17.800 | 17.800 | 18,581 |
| 2026-03-11 | 18.000 | 18.000 | 17.600 | 17.750 | 17.750 | 19,004 |
| 2026-03-10 | 17.600 | 17.900 | 17.400 | 17.700 | 17.700 | 72,058 |
| 2026-03-09 | 17.650 | 17.950 | 17.450 | 17.650 | 17.650 | 86,001 |
| 2026-03-06 | 17.700 | 17.700 | 17.600 | 17.700 | 17.700 | 37,305 |
| 2026-03-05 | 17.700 | 17.800 | 17.650 | 17.650 | 17.650 | 24,000 |
| 2026-03-04 | 17.750 | 17.750 | 17.650 | 17.700 | 17.700 | 38,026 |
| 2026-03-03 | 17.850 | 17.850 | 17.700 | 17.750 | 17.750 | 47,021 |
| 2026-03-02 | 17.800 | 17.850 | 17.800 | 17.850 | 17.850 | 27,101 |
| 2026-02-26 | 17.900 | 17.900 | 17.850 | 17.850 | 17.850 | 29,000 |
| 2026-02-25 | 17.900 | 17.950 | 17.800 | 17.800 | 17.800 | 25,000 |
| 2026-02-24 | 17.850 | 17.850 | 17.800 | 17.800 | 17.800 | 15,112 |
| 2026-02-23 | 18.000 | 18.000 | 17.850 | 17.850 | 17.850 | 26,790 |
| 2026-02-11 | 18.050 | 18.050 | 17.950 | 18.000 | 18.000 | 22,000 |
| 2026-02-10 | 18.000 | 18.100 | 18.000 | 18.050 | 18.050 | 17,000 |
| 2026-02-09 | 18.100 | 18.450 | 18.000 | 18.000 | 18.000 | 11,052 |
| 2026-02-06 | 18.050 | 18.050 | 18.000 | 18.000 | 18.000 | 34,000 |
| 2026-02-05 | 18.000 | 18.050 | 18.000 | 18.050 | 18.050 | 32,030 |
| 2026-02-04 | 18.000 | 18.200 | 17.950 | 18.200 | 18.200 | 34,000 |
| 2026-02-03 | 18.250 | 18.250 | 17.900 | 18.050 | 18.050 | 41,000 |
| 2026-02-02 | 18.050 | 18.350 | 17.750 | 18.150 | 18.150 | 101,000 |
| 2026-01-30 | 18.100 | 18.100 | 18.000 | 18.000 | 18.000 | 23,000 |
| 2026-01-29 | 18.050 | 18.100 | 18.000 | 18.100 | 18.100 | 9,019 |
| 2026-01-28 | 18.100 | 18.450 | 18.100 | 18.200 | 18.200 | 20,372 |
| 2026-01-27 | 18.100 | 18.100 | 18.000 | 18.100 | 18.100 | 8,047 |
| 2026-01-26 | 18.050 | 18.100 | 17.950 | 18.100 | 18.100 | 29,006 |
| 2026-01-23 | 18.000 | 19.000 | 17.800 | 18.200 | 18.200 | 72,118 |
| 2026-01-22 | 18.000 | 18.050 | 17.950 | 17.950 | 17.950 | 32,091 |
| 2026-01-21 | 18.100 | 18.100 | 18.000 | 18.000 | 18.000 | 20,581 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2025-03-21 | 0.8000 TWD |
| 2024-03-28 | 0.7000 TWD |
| 2023-03-23 | 1.6200 TWD |
| 2022-06-15 | 2.1000 TWD |
| 2021-06-16 | 2.4000 TWD |
| 2020-06-16 | 2.2414 TWD |
| 2019-06-14 | 2.3589 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.