Test Research Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-23 | 300.00 | 302.50 | 292.50 | 296.50 | 296.50 | 900,015 |
| 2026-07-22 | 296.00 | 303.00 | 296.00 | 298.50 | 298.50 | 1,023,328 |
| 2026-07-21 | 287.00 | 292.00 | 285.00 | 291.50 | 291.50 | 1,218,312 |
| 2026-07-20 | 289.00 | 294.00 | 270.50 | 283.00 | 283.00 | 2,753,001 |
| 2026-07-17 | 299.00 | 306.00 | 288.00 | 288.00 | 288.00 | 2,298,420 |
| 2026-07-16 | 301.50 | 317.00 | 295.00 | 310.00 | 310.00 | 1,535,283 |
| 2026-07-15 | 295.00 | 303.00 | 291.50 | 302.00 | 302.00 | 988,650 |
| 2026-07-14 | 299.50 | 299.50 | 280.00 | 291.50 | 291.50 | 3,377,819 |
| 2026-07-13 | 301.00 | 302.50 | 292.50 | 299.00 | 299.00 | 1,879,654 |
| 2026-07-10 | 299.00 | 299.00 | 299.00 | 299.00 | 299.00 | 0 |
| 2026-07-09 | 305.00 | 305.50 | 299.00 | 299.00 | 299.00 | 1,133,120 |
| 2026-07-08 | 304.50 | 311.00 | 298.00 | 304.50 | 304.50 | 2,081,988 |
| 2026-07-07 | 310.00 | 310.50 | 294.50 | 296.00 | 296.00 | 3,172,338 |
| 2026-07-06 | 322.50 | 324.00 | 308.50 | 310.00 | 310.00 | 2,530,531 |
| 2026-07-03 | 319.00 | 322.00 | 311.00 | 321.50 | 321.50 | 2,595,631 |
| 2026-07-02 | 325.50 | 328.50 | 318.50 | 319.00 | 319.00 | 8,276,362 |
| 2026-07-01 | 336.00 | 360.00 | 334.00 | 353.50 | 353.50 | 7,120,914 |
| 2026-06-30 | 325.50 | 334.00 | 325.50 | 327.50 | 327.50 | 2,164,372 |
| 2026-06-29 | 319.00 | 326.50 | 316.00 | 321.50 | 321.50 | 1,801,600 |
| 2026-06-26 | 328.50 | 330.00 | 313.00 | 315.00 | 315.00 | 2,623,913 |
| 2026-06-25 | 332.50 | 336.50 | 328.50 | 330.00 | 330.00 | 1,514,006 |
| 2026-06-24 | 331.00 | 335.00 | 327.50 | 332.50 | 332.50 | 1,344,102 |
| 2026-06-23 | 351.00 | 351.00 | 336.00 | 338.00 | 338.00 | 1,877,951 |
| 2026-06-22 | 348.00 | 356.00 | 347.50 | 350.00 | 350.00 | 2,088,194 |
| 2026-06-18 | 333.50 | 344.00 | 333.00 | 340.50 | 340.50 | 1,601,613 |
| 2026-06-17 | 325.00 | 336.00 | 322.50 | 332.50 | 332.50 | 1,087,224 |
| 2026-06-16 | 341.00 | 344.50 | 330.00 | 330.50 | 330.50 | 1,702,710 |
| 2026-06-15 | 327.00 | 346.50 | 326.00 | 336.00 | 336.00 | 2,691,268 |
| 2026-06-12 | 336.50 | 336.50 | 318.00 | 322.50 | 322.50 | 1,700,390 |
| 2026-06-11 | 318.00 | 326.00 | 293.00 | 313.00 | 313.00 | 4,290,898 |
| 2026-06-10 | 340.00 | 345.00 | 323.00 | 323.00 | 316.00 | 3,348,764 |
| 2026-06-09 | 352.00 | 352.00 | 344.00 | 344.00 | 336.54 | 2,534,076 |
| 2026-06-08 | 330.00 | 357.00 | 330.00 | 351.00 | 343.39 | 3,155,066 |
| 2026-06-05 | 365.00 | 367.50 | 347.50 | 366.00 | 358.07 | 2,843,259 |
| 2026-06-04 | 370.00 | 377.00 | 363.00 | 365.00 | 365.00 | 2,752,615 |
| 2026-06-03 | 373.00 | 376.50 | 363.50 | 372.50 | 372.50 | 3,524,290 |
| 2026-06-02 | 403.00 | 403.00 | 368.00 | 371.00 | 371.00 | 8,435,950 |
| 2026-06-01 | 415.00 | 417.50 | 401.00 | 408.00 | 408.00 | 3,438,309 |
| 2026-05-29 | 428.00 | 428.00 | 405.00 | 405.00 | 405.00 | 4,823,752 |
| 2026-05-28 | 410.00 | 433.50 | 405.50 | 409.00 | 409.00 | 6,834,778 |
| 2026-05-27 | 415.50 | 420.00 | 395.00 | 399.50 | 399.50 | 5,616,151 |
| 2026-05-26 | 424.00 | 426.00 | 405.00 | 409.50 | 409.50 | 4,003,713 |
| 2026-05-25 | 446.00 | 457.50 | 415.50 | 418.00 | 418.00 | 8,007,540 |
| 2026-05-22 | 395.00 | 419.50 | 395.00 | 419.50 | 419.50 | 5,433,897 |
| 2026-05-21 | 362.00 | 381.50 | 361.00 | 381.50 | 381.50 | 1,944,147 |
| 2026-05-20 | 349.00 | 354.00 | 338.00 | 347.00 | 347.00 | 2,233,070 |
| 2026-05-19 | 386.50 | 386.50 | 348.50 | 361.00 | 361.00 | 2,480,289 |
| 2026-05-18 | 385.50 | 388.00 | 377.50 | 387.00 | 387.00 | 1,006,277 |
| 2026-05-15 | 408.50 | 412.00 | 395.00 | 395.00 | 395.00 | 1,434,993 |
| 2026-05-14 | 419.00 | 419.00 | 402.50 | 402.50 | 402.50 | 1,093,164 |
| 2026-05-13 | 399.00 | 416.00 | 395.00 | 414.00 | 414.00 | 1,350,648 |
| 2026-05-12 | 399.50 | 410.00 | 391.00 | 408.00 | 408.00 | 1,343,070 |
| 2026-05-11 | 397.50 | 398.00 | 386.00 | 397.00 | 397.00 | 1,638,320 |
| 2026-05-08 | 410.00 | 421.00 | 383.00 | 389.50 | 389.50 | 3,210,545 |
| 2026-05-07 | 420.00 | 430.50 | 410.00 | 417.50 | 417.50 | 6,137,230 |
| 2026-05-06 | 426.00 | 435.50 | 400.00 | 413.00 | 413.00 | 13,099,806 |
| 2026-05-05 | 398.00 | 414.00 | 398.00 | 414.00 | 414.00 | 5,799,359 |
| 2026-05-04 | 347.00 | 376.50 | 345.00 | 376.50 | 376.50 | 9,377,606 |
| 2026-04-30 | 356.00 | 358.00 | 339.50 | 342.50 | 342.50 | 6,823,667 |
| 2026-04-29 | 331.00 | 345.00 | 323.00 | 344.50 | 344.50 | 6,558,281 |
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.