Test Research Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-27 | 153.00 | 157.00 | 151.50 | 156.50 | 156.50 | 1,852,518 |
| 2025-10-23 | 150.00 | 152.50 | 149.50 | 151.00 | 151.00 | 658,070 |
| 2025-10-22 | 151.50 | 154.00 | 151.00 | 151.50 | 151.50 | 744,140 |
| 2025-10-21 | 152.00 | 154.00 | 151.50 | 152.00 | 152.00 | 1,164,132 |
| 2025-10-20 | 150.50 | 151.50 | 148.50 | 150.50 | 150.50 | 865,620 |
| 2025-10-17 | 151.00 | 151.50 | 149.00 | 149.50 | 149.50 | 1,044,200 |
| 2025-10-16 | 152.50 | 154.00 | 149.00 | 151.50 | 151.50 | 1,761,100 |
| 2025-10-15 | 151.00 | 154.00 | 150.00 | 152.00 | 152.00 | 2,132,724 |
| 2025-10-14 | 155.00 | 156.00 | 149.00 | 149.00 | 149.00 | 2,405,675 |
| 2025-10-13 | 149.00 | 155.50 | 148.50 | 153.50 | 153.50 | 2,069,412 |
| 2025-10-09 | 159.00 | 159.50 | 155.50 | 156.00 | 156.00 | 2,016,725 |
| 2025-10-08 | 158.00 | 158.00 | 154.00 | 155.00 | 155.00 | 3,104,442 |
| 2025-10-07 | 161.00 | 162.50 | 159.00 | 159.50 | 159.50 | 3,042,197 |
| 2025-10-03 | 166.50 | 166.50 | 161.50 | 162.50 | 162.50 | 3,386,816 |
| 2025-10-02 | 171.00 | 173.00 | 166.50 | 166.50 | 166.50 | 9,665,947 |
| 2025-10-01 | 179.50 | 191.00 | 179.50 | 185.00 | 185.00 | 4,006,246 |
| 2025-09-30 | 175.50 | 179.00 | 175.00 | 178.50 | 178.50 | 1,202,000 |
| 2025-09-29 | 175.50 | 175.50 | 175.50 | 175.50 | 175.50 | 0 |
| 2025-09-26 | 182.50 | 182.50 | 175.50 | 175.50 | 175.50 | 2,706,919 |
| 2025-09-25 | 187.50 | 188.50 | 183.00 | 183.50 | 183.50 | 1,442,269 |
| 2025-09-24 | 189.50 | 191.00 | 183.00 | 186.00 | 186.00 | 1,658,045 |
| 2025-09-23 | 188.50 | 196.00 | 188.00 | 189.00 | 189.00 | 3,434,300 |
| 2025-09-22 | 182.50 | 195.00 | 181.50 | 189.50 | 189.50 | 3,723,547 |
| 2025-09-19 | 184.50 | 185.00 | 181.00 | 181.50 | 181.50 | 1,460,805 |
| 2025-09-18 | 186.50 | 188.00 | 179.50 | 183.50 | 183.50 | 3,163,189 |
| 2025-09-17 | 186.00 | 188.50 | 184.00 | 185.50 | 185.50 | 1,698,100 |
| 2025-09-16 | 185.50 | 189.00 | 183.50 | 187.50 | 187.50 | 2,590,230 |
| 2025-09-15 | 187.00 | 188.00 | 181.50 | 183.50 | 183.50 | 1,834,565 |
| 2025-09-12 | 190.50 | 190.50 | 184.00 | 186.50 | 186.50 | 2,507,173 |
| 2025-09-11 | 192.50 | 194.50 | 187.50 | 188.00 | 188.00 | 2,500,250 |
| 2025-09-10 | 192.00 | 196.00 | 189.50 | 193.50 | 193.50 | 2,582,305 |
| 2025-09-09 | 194.00 | 194.00 | 187.50 | 189.50 | 189.50 | 4,054,562 |
| 2025-09-08 | 200.00 | 200.00 | 193.00 | 193.00 | 193.00 | 2,639,020 |
| 2025-09-05 | 194.50 | 198.00 | 192.50 | 194.50 | 194.50 | 2,256,747 |
| 2025-09-04 | 205.50 | 207.00 | 192.50 | 193.50 | 193.50 | 4,536,806 |
| 2025-09-03 | 203.00 | 203.00 | 198.00 | 200.00 | 200.00 | 1,627,562 |
| 2025-09-02 | 206.00 | 207.00 | 195.50 | 200.00 | 200.00 | 3,674,276 |
| 2025-09-01 | 214.00 | 214.00 | 195.00 | 199.00 | 199.00 | 6,354,839 |
| 2025-08-29 | 209.00 | 218.00 | 206.50 | 215.00 | 215.00 | 6,611,546 |
| 2025-08-28 | 210.00 | 210.00 | 205.50 | 206.00 | 206.00 | 3,329,863 |
| 2025-08-27 | 213.50 | 216.50 | 208.50 | 209.50 | 209.50 | 3,763,543 |
| 2025-08-26 | 208.50 | 212.50 | 203.50 | 211.00 | 211.00 | 3,767,551 |
| 2025-08-25 | 210.00 | 221.00 | 208.00 | 210.00 | 210.00 | 6,341,582 |
| 2025-08-22 | 199.00 | 206.00 | 193.00 | 201.50 | 201.50 | 6,880,173 |
| 2025-08-21 | 197.00 | 203.00 | 193.50 | 197.50 | 197.50 | 6,264,698 |
| 2025-08-20 | 197.00 | 200.50 | 191.00 | 193.50 | 193.50 | 5,752,771 |
| 2025-08-19 | 206.00 | 207.50 | 198.00 | 198.50 | 198.50 | 7,661,105 |
| 2025-08-18 | 193.00 | 206.50 | 191.00 | 204.00 | 204.00 | 12,056,804 |
| 2025-08-15 | 184.50 | 190.50 | 182.50 | 188.00 | 188.00 | 5,826,576 |
| 2025-08-14 | 178.50 | 187.50 | 178.50 | 184.50 | 184.50 | 8,857,368 |
| 2025-08-13 | 181.00 | 181.00 | 171.50 | 176.50 | 176.50 | 6,126,750 |
| 2025-08-12 | 179.00 | 181.50 | 175.50 | 179.00 | 179.00 | 5,317,632 |
| 2025-08-11 | 167.00 | 179.00 | 166.00 | 178.50 | 178.50 | 7,693,178 |
| 2025-08-08 | 166.00 | 174.00 | 165.00 | 166.00 | 166.00 | 8,867,838 |
| 2025-08-07 | 155.00 | 161.00 | 154.00 | 160.50 | 160.50 | 6,210,458 |
| 2025-08-06 | 154.00 | 155.00 | 152.00 | 153.00 | 153.00 | 2,232,384 |
| 2025-08-05 | 153.50 | 156.00 | 151.00 | 154.50 | 154.50 | 5,649,890 |
| 2025-08-04 | 150.50 | 152.00 | 146.50 | 152.00 | 152.00 | 3,831,300 |
| 2025-08-01 | 143.50 | 151.50 | 142.50 | 151.00 | 151.00 | 4,950,729 |
| 2025-07-31 | 141.50 | 146.00 | 141.00 | 145.50 | 145.50 | 3,026,412 |
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.