Test Research Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-29 | 331.00 | 345.00 | 323.00 | 344.50 | 344.50 | 6,558,281 |
| 2026-04-28 | 314.50 | 340.00 | 309.00 | 327.50 | 327.50 | 6,005,800 |
| 2026-04-27 | 320.00 | 321.50 | 302.00 | 313.00 | 313.00 | 4,784,802 |
| 2026-04-24 | 323.00 | 324.50 | 310.00 | 315.50 | 315.50 | 6,890,005 |
| 2026-04-23 | 360.50 | 367.50 | 322.50 | 322.50 | 322.50 | 11,755,365 |
| 2026-04-22 | 345.00 | 374.50 | 342.00 | 358.00 | 358.00 | 9,018,062 |
| 2026-04-21 | 344.00 | 348.00 | 325.00 | 341.00 | 341.00 | 8,482,279 |
| 2026-04-20 | 347.00 | 357.50 | 336.50 | 342.00 | 342.00 | 11,103,383 |
| 2026-04-17 | 309.00 | 338.50 | 308.50 | 338.50 | 338.50 | 6,875,234 |
| 2026-04-16 | 309.00 | 310.50 | 303.50 | 308.00 | 308.00 | 3,205,575 |
| 2026-04-15 | 303.00 | 314.50 | 300.00 | 308.00 | 308.00 | 5,657,018 |
| 2026-04-14 | 318.00 | 318.00 | 297.00 | 303.00 | 303.00 | 7,444,325 |
| 2026-04-13 | 308.00 | 324.00 | 301.00 | 310.50 | 310.50 | 14,867,114 |
| 2026-04-10 | 290.00 | 303.00 | 284.50 | 303.00 | 303.00 | 14,882,629 |
| 2026-04-09 | 275.00 | 281.00 | 268.00 | 275.50 | 275.50 | 7,552,544 |
| 2026-04-08 | 268.00 | 276.00 | 256.50 | 272.50 | 272.50 | 10,516,496 |
| 2026-04-07 | 250.00 | 259.00 | 243.00 | 254.00 | 254.00 | 5,214,606 |
| 2026-04-02 | 255.50 | 261.50 | 247.50 | 247.50 | 247.50 | 5,292,875 |
| 2026-04-01 | 268.00 | 271.50 | 255.50 | 256.50 | 256.50 | 5,969,157 |
| 2026-03-31 | 263.50 | 272.00 | 253.00 | 255.50 | 255.50 | 7,064,731 |
| 2026-03-30 | 255.00 | 272.50 | 253.50 | 267.50 | 267.50 | 7,545,296 |
| 2026-03-27 | 248.50 | 261.50 | 242.00 | 260.00 | 260.00 | 3,481,470 |
| 2026-03-26 | 255.50 | 260.50 | 247.50 | 253.00 | 253.00 | 3,756,549 |
| 2026-03-25 | 243.00 | 256.00 | 241.50 | 251.00 | 251.00 | 3,255,748 |
| 2026-03-24 | 250.00 | 250.00 | 233.50 | 234.50 | 234.50 | 3,162,156 |
| 2026-03-23 | 244.00 | 252.00 | 241.00 | 241.50 | 241.50 | 3,466,785 |
| 2026-03-20 | 268.50 | 271.00 | 255.00 | 255.50 | 255.50 | 5,173,038 |
| 2026-03-19 | 258.50 | 275.50 | 256.00 | 263.50 | 263.50 | 5,570,460 |
| 2026-03-18 | 258.00 | 264.50 | 252.00 | 260.50 | 260.50 | 4,653,401 |
| 2026-03-17 | 251.00 | 260.00 | 242.50 | 254.50 | 254.50 | 7,710,599 |
| 2026-03-16 | 280.00 | 281.00 | 250.00 | 250.00 | 250.00 | 9,958,079 |
| 2026-03-13 | 275.00 | 281.50 | 268.00 | 277.50 | 277.50 | 11,319,760 |
| 2026-03-12 | 253.50 | 278.00 | 251.50 | 278.00 | 278.00 | 9,272,026 |
| 2026-03-11 | 248.00 | 256.00 | 246.00 | 253.00 | 253.00 | 9,176,931 |
| 2026-03-10 | 241.50 | 251.50 | 237.50 | 245.00 | 245.00 | 6,087,514 |
| 2026-03-09 | 220.50 | 232.00 | 220.50 | 231.50 | 231.50 | 6,359,138 |
| 2026-03-06 | 246.00 | 264.00 | 240.50 | 245.00 | 245.00 | 12,095,907 |
| 2026-03-05 | 251.00 | 258.00 | 238.00 | 249.00 | 249.00 | 10,623,792 |
| 2026-03-04 | 241.00 | 246.00 | 226.50 | 237.50 | 237.50 | 10,705,720 |
| 2026-03-03 | 250.00 | 261.50 | 231.50 | 236.50 | 236.50 | 14,346,488 |
| 2026-03-02 | 219.00 | 245.50 | 218.50 | 245.50 | 245.50 | 8,441,626 |
| 2026-02-26 | 206.50 | 223.50 | 205.50 | 223.50 | 223.50 | 9,950,204 |
| 2026-02-25 | 203.00 | 204.00 | 196.50 | 203.50 | 203.50 | 3,600,050 |
| 2026-02-24 | 200.00 | 204.00 | 196.00 | 203.00 | 203.00 | 4,853,072 |
| 2026-02-23 | 188.00 | 200.00 | 187.50 | 196.50 | 196.50 | 5,952,264 |
| 2026-02-11 | 184.00 | 186.50 | 182.00 | 185.00 | 185.00 | 1,496,538 |
| 2026-02-10 | 187.00 | 187.50 | 184.00 | 184.00 | 184.00 | 1,052,639 |
| 2026-02-09 | 187.50 | 189.50 | 184.50 | 186.50 | 186.50 | 1,755,265 |
| 2026-02-06 | 188.00 | 190.50 | 180.50 | 182.50 | 182.50 | 4,102,448 |
| 2026-02-05 | 187.00 | 195.00 | 186.50 | 188.00 | 188.00 | 6,293,821 |
| 2026-02-04 | 180.00 | 187.00 | 180.00 | 187.00 | 187.00 | 2,168,508 |
| 2026-02-03 | 189.50 | 194.00 | 180.00 | 181.50 | 181.50 | 7,706,406 |
| 2026-02-02 | 178.50 | 185.00 | 176.00 | 183.50 | 183.50 | 4,505,873 |
| 2026-01-30 | 182.00 | 182.00 | 176.50 | 180.00 | 180.00 | 2,525,869 |
| 2026-01-29 | 182.50 | 182.50 | 179.00 | 181.50 | 181.50 | 2,191,619 |
| 2026-01-28 | 189.00 | 189.00 | 178.00 | 182.00 | 182.00 | 5,175,675 |
| 2026-01-27 | 183.50 | 190.00 | 182.00 | 188.00 | 188.00 | 3,905,365 |
| 2026-01-26 | 181.50 | 186.50 | 181.00 | 183.50 | 183.50 | 3,263,943 |
| 2026-01-23 | 181.50 | 183.50 | 179.00 | 181.50 | 181.50 | 2,854,079 |
| 2026-01-22 | 184.00 | 184.50 | 179.00 | 180.50 | 180.50 | 3,274,494 |
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.