Test Research Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-07-30 | 146.50 | 147.00 | 141.00 | 141.00 | 141.00 | 2,888,473 |
| 2025-07-29 | 151.00 | 151.00 | 145.00 | 145.50 | 145.50 | 2,703,350 |
| 2025-07-28 | 145.00 | 152.00 | 144.00 | 149.00 | 149.00 | 3,300,201 |
| 2025-07-25 | 143.50 | 145.00 | 142.50 | 144.50 | 144.50 | 863,280 |
| 2025-07-24 | 143.50 | 145.50 | 142.00 | 144.00 | 144.00 | 1,475,944 |
| 2025-07-23 | 145.00 | 146.00 | 142.00 | 142.50 | 142.50 | 2,242,214 |
| 2025-07-22 | 148.00 | 148.50 | 140.50 | 142.00 | 142.00 | 4,281,866 |
| 2025-07-21 | 150.00 | 150.00 | 147.00 | 148.00 | 148.00 | 1,285,808 |
| 2025-07-18 | 153.50 | 154.00 | 148.00 | 149.50 | 149.50 | 3,017,372 |
| 2025-07-17 | 149.00 | 152.50 | 148.00 | 152.00 | 152.00 | 3,418,624 |
| 2025-07-16 | 148.00 | 155.00 | 147.50 | 148.50 | 148.50 | 6,572,486 |
| 2025-07-15 | 145.00 | 147.00 | 145.00 | 147.00 | 147.00 | 1,282,564 |
| 2025-07-14 | 147.00 | 147.00 | 144.00 | 144.50 | 144.50 | 1,718,822 |
| 2025-07-11 | 150.00 | 151.00 | 145.50 | 148.00 | 148.00 | 5,578,486 |
| 2025-07-10 | 146.00 | 148.50 | 146.00 | 148.50 | 148.50 | 1,793,494 |
| 2025-07-09 | 146.00 | 148.50 | 145.50 | 147.00 | 147.00 | 3,359,208 |
| 2025-07-08 | 143.00 | 149.00 | 142.00 | 145.50 | 145.50 | 4,014,031 |
| 2025-07-07 | 144.00 | 146.50 | 142.00 | 143.50 | 143.50 | 2,636,606 |
| 2025-07-04 | 146.50 | 148.00 | 144.00 | 144.00 | 144.00 | 3,408,438 |
| 2025-07-03 | 146.50 | 148.00 | 145.00 | 146.50 | 146.50 | 3,675,618 |
| 2025-07-02 | 143.00 | 146.50 | 142.50 | 145.50 | 145.50 | 4,310,308 |
| 2025-07-01 | 147.00 | 147.50 | 142.00 | 143.00 | 143.00 | 6,910,208 |
| 2025-06-30 | 153.00 | 153.00 | 145.00 | 146.00 | 146.00 | 8,615,477 |
| 2025-06-27 | 149.50 | 152.50 | 144.00 | 149.50 | 149.50 | 12,354,668 |
| 2025-06-26 | 143.00 | 150.00 | 142.00 | 148.00 | 148.00 | 10,498,787 |
| 2025-06-25 | 142.00 | 145.50 | 141.50 | 142.00 | 142.00 | 7,374,337 |
| 2025-06-24 | 143.50 | 147.50 | 140.00 | 142.50 | 142.50 | 14,394,480 |
| 2025-06-23 | 132.00 | 145.50 | 131.00 | 142.50 | 142.50 | 12,347,423 |
| 2025-06-20 | 135.50 | 138.00 | 129.50 | 136.00 | 136.00 | 7,970,848 |
| 2025-06-19 | 138.50 | 139.50 | 134.50 | 135.00 | 135.00 | 5,602,958 |
| 2025-06-18 | 135.00 | 143.00 | 133.50 | 138.50 | 138.50 | 15,236,333 |
| 2025-06-17 | 128.00 | 132.50 | 127.00 | 132.50 | 132.50 | 5,610,100 |
| 2025-06-16 | 127.50 | 131.00 | 127.00 | 127.00 | 127.00 | 2,414,320 |
| 2025-06-13 | 128.00 | 129.50 | 126.00 | 127.00 | 127.00 | 3,170,175 |
| 2025-06-12 | 134.50 | 139.00 | 131.50 | 132.00 | 127.00 | 7,780,835 |
| 2025-06-11 | 130.00 | 134.50 | 129.50 | 133.00 | 127.96 | 3,845,565 |
| 2025-06-10 | 131.00 | 135.00 | 128.50 | 129.50 | 124.59 | 5,282,394 |
| 2025-06-09 | 133.00 | 133.50 | 127.00 | 129.50 | 124.59 | 5,366,955 |
| 2025-06-06 | 130.50 | 132.50 | 129.50 | 132.50 | 132.50 | 2,966,688 |
| 2025-06-05 | 130.50 | 133.50 | 129.50 | 131.00 | 131.00 | 5,790,410 |
| 2025-06-04 | 124.50 | 132.50 | 122.50 | 131.50 | 131.50 | 16,950,742 |
| 2025-06-03 | 124.50 | 124.50 | 119.00 | 124.50 | 124.50 | 15,595,777 |
| 2025-06-02 | 113.00 | 115.50 | 112.00 | 113.50 | 113.50 | 1,280,101 |
| 2025-05-29 | 115.00 | 116.00 | 113.00 | 113.00 | 113.00 | 989,000 |
| 2025-05-28 | 113.50 | 115.50 | 112.00 | 113.00 | 113.00 | 1,392,000 |
| 2025-05-27 | 112.50 | 116.50 | 111.50 | 112.50 | 112.50 | 1,782,091 |
| 2025-05-26 | 112.50 | 113.00 | 111.00 | 111.50 | 111.50 | 585,034 |
| 2025-05-23 | 114.50 | 115.00 | 112.00 | 112.50 | 112.50 | 511,104 |
| 2025-05-22 | 111.50 | 114.00 | 111.00 | 113.50 | 113.50 | 476,200 |
| 2025-05-21 | 111.00 | 113.00 | 111.00 | 113.00 | 113.00 | 689,152 |
| 2025-05-20 | 112.50 | 113.00 | 110.50 | 111.00 | 111.00 | 589,000 |
| 2025-05-19 | 115.50 | 115.50 | 110.50 | 111.00 | 111.00 | 1,443,763 |
| 2025-05-16 | 117.00 | 117.50 | 115.00 | 115.50 | 115.50 | 1,286,341 |
| 2025-05-15 | 113.50 | 120.50 | 113.00 | 116.50 | 116.50 | 3,678,200 |
| 2025-05-14 | 111.50 | 113.00 | 110.50 | 112.00 | 112.00 | 1,937,350 |
| 2025-05-13 | 113.00 | 113.50 | 109.50 | 109.50 | 109.50 | 1,251,228 |
| 2025-05-12 | 105.00 | 109.50 | 105.00 | 109.00 | 109.00 | 1,559,200 |
| 2025-05-09 | 103.50 | 104.00 | 102.00 | 104.00 | 104.00 | 1,073,185 |
| 2025-05-08 | 103.00 | 105.00 | 102.50 | 104.50 | 104.50 | 969,012 |
| 2025-05-07 | 102.00 | 102.00 | 99.600 | 100.50 | 100.50 | 589,265 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2023-06-15 | 4.5000 TWD |
| 2022-06-10 | 3.3000 TWD |
| 2021-07-22 | 3.3000 TWD |
| 2020-06-11 | 3.3000 TWD |
| 2019-06-14 | 3.7000 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.