Test Research Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-20 | 176.50 | 179.00 | 173.50 | 175.00 | 175.00 | 2,808,172 |
| 2026-01-19 | 173.50 | 176.00 | 173.00 | 176.00 | 176.00 | 1,990,587 |
| 2026-01-16 | 174.50 | 175.50 | 171.50 | 173.50 | 173.50 | 1,765,211 |
| 2026-01-15 | 174.50 | 175.50 | 172.00 | 172.50 | 172.50 | 1,070,455 |
| 2026-01-14 | 174.00 | 179.00 | 174.00 | 174.50 | 174.50 | 1,932,071 |
| 2026-01-13 | 178.00 | 178.00 | 171.50 | 174.00 | 174.00 | 2,798,279 |
| 2026-01-12 | 175.50 | 179.00 | 170.50 | 176.50 | 176.50 | 2,594,619 |
| 2026-01-09 | 172.50 | 176.50 | 169.50 | 173.00 | 173.00 | 2,675,116 |
| 2026-01-08 | 174.00 | 175.50 | 169.00 | 169.50 | 169.50 | 2,464,621 |
| 2026-01-07 | 180.00 | 180.00 | 172.50 | 173.00 | 173.00 | 4,642,800 |
| 2026-01-06 | 185.50 | 185.50 | 179.00 | 179.50 | 179.50 | 2,725,383 |
| 2026-01-05 | 192.00 | 192.50 | 181.50 | 183.50 | 183.50 | 5,479,468 |
| 2026-01-02 | 192.00 | 192.50 | 187.00 | 192.50 | 192.50 | 3,464,498 |
| 2025-12-31 | 193.50 | 194.50 | 190.50 | 191.50 | 191.50 | 2,812,642 |
| 2025-12-30 | 195.00 | 197.50 | 189.50 | 192.00 | 192.00 | 4,546,308 |
| 2025-12-29 | 200.00 | 205.00 | 195.50 | 196.00 | 196.00 | 5,065,767 |
| 2025-12-26 | 195.50 | 201.00 | 193.50 | 199.00 | 199.00 | 6,627,799 |
| 2025-12-24 | 194.50 | 197.50 | 193.00 | 193.00 | 193.00 | 7,122,527 |
| 2025-12-23 | 192.50 | 196.00 | 186.50 | 192.50 | 192.50 | 7,021,667 |
| 2025-12-22 | 191.00 | 196.50 | 188.50 | 192.50 | 192.50 | 14,023,886 |
| 2025-12-19 | 174.00 | 188.00 | 172.50 | 188.00 | 188.00 | 14,871,482 |
| 2025-12-18 | 171.50 | 172.50 | 165.50 | 171.00 | 171.00 | 6,153,145 |
| 2025-12-17 | 168.00 | 176.00 | 168.00 | 172.50 | 172.50 | 9,448,015 |
| 2025-12-16 | 167.00 | 172.50 | 163.00 | 166.50 | 166.50 | 5,317,652 |
| 2025-12-15 | 163.00 | 173.00 | 163.00 | 169.50 | 169.50 | 5,660,357 |
| 2025-12-12 | 170.00 | 170.00 | 165.50 | 166.00 | 166.00 | 2,164,557 |
| 2025-12-11 | 165.50 | 170.00 | 164.50 | 168.00 | 168.00 | 4,469,555 |
| 2025-12-10 | 165.00 | 166.50 | 163.00 | 163.50 | 163.50 | 1,761,277 |
| 2025-12-09 | 170.50 | 170.50 | 164.00 | 164.50 | 164.50 | 3,905,851 |
| 2025-12-08 | 170.00 | 171.00 | 166.00 | 169.50 | 169.50 | 3,453,651 |
| 2025-12-05 | 170.50 | 172.00 | 167.00 | 167.50 | 167.50 | 4,199,190 |
| 2025-12-04 | 161.50 | 173.50 | 160.50 | 171.50 | 171.50 | 8,855,026 |
| 2025-12-03 | 159.50 | 162.00 | 159.00 | 160.50 | 160.50 | 3,085,362 |
| 2025-12-02 | 165.00 | 166.00 | 158.00 | 158.50 | 158.50 | 8,459,120 |
| 2025-12-01 | 155.50 | 157.50 | 154.00 | 156.00 | 156.00 | 1,871,666 |
| 2025-11-28 | 155.00 | 155.00 | 152.50 | 154.50 | 154.50 | 1,223,659 |
| 2025-11-27 | 155.50 | 156.00 | 151.00 | 153.50 | 153.50 | 1,527,574 |
| 2025-11-26 | 148.50 | 156.00 | 148.50 | 154.00 | 154.00 | 2,550,990 |
| 2025-11-25 | 147.50 | 151.00 | 146.50 | 148.00 | 148.00 | 1,404,165 |
| 2025-11-24 | 145.00 | 147.00 | 142.50 | 145.50 | 145.50 | 1,981,541 |
| 2025-11-21 | 142.50 | 144.00 | 140.50 | 142.50 | 142.50 | 1,651,306 |
| 2025-11-20 | 145.00 | 146.00 | 142.50 | 145.00 | 145.00 | 4,925,233 |
| 2025-11-19 | 144.00 | 144.00 | 139.50 | 142.50 | 142.50 | 3,350,070 |
| 2025-11-18 | 151.00 | 152.00 | 143.00 | 144.50 | 144.50 | 3,749,534 |
| 2025-11-17 | 152.00 | 155.00 | 151.00 | 152.50 | 152.50 | 1,572,943 |
| 2025-11-14 | 149.00 | 155.00 | 148.50 | 150.50 | 150.50 | 2,851,100 |
| 2025-11-13 | 151.00 | 153.00 | 149.00 | 152.50 | 152.50 | 1,064,770 |
| 2025-11-12 | 150.50 | 151.50 | 148.50 | 151.00 | 151.00 | 1,574,147 |
| 2025-11-11 | 152.50 | 154.00 | 150.00 | 151.00 | 151.00 | 913,002 |
| 2025-11-10 | 155.00 | 155.50 | 149.50 | 152.00 | 152.00 | 1,516,314 |
| 2025-11-07 | 157.00 | 157.50 | 152.50 | 154.00 | 154.00 | 1,780,682 |
| 2025-11-06 | 152.00 | 159.00 | 146.00 | 158.00 | 158.00 | 4,877,689 |
| 2025-11-05 | 149.00 | 151.00 | 145.50 | 151.00 | 151.00 | 3,379,801 |
| 2025-11-04 | 156.00 | 157.00 | 149.00 | 152.00 | 152.00 | 5,887,956 |
| 2025-11-03 | 157.50 | 166.50 | 156.00 | 165.50 | 165.50 | 3,931,640 |
| 2025-10-31 | 156.50 | 158.50 | 156.00 | 156.50 | 156.50 | 1,223,221 |
| 2025-10-30 | 158.00 | 159.00 | 155.50 | 156.50 | 156.50 | 1,276,000 |
| 2025-10-29 | 157.50 | 159.00 | 156.00 | 157.50 | 157.50 | 1,594,106 |
| 2025-10-28 | 157.00 | 157.50 | 154.00 | 155.50 | 155.50 | 1,665,250 |
| 2025-10-27 | 153.00 | 157.00 | 151.50 | 156.50 | 156.50 | 1,852,518 |
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.