Test Research Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-20 | 283.00 | 291.50 | 279.50 | 280.00 | 280.00 | 1,966,115 |
| 2026-10-19 | 282.00 | 291.50 | 278.00 | 288.00 | 288.00 | 1,513,844 |
| 2026-10-16 | 290.00 | 296.00 | 286.00 | 289.50 | 289.50 | 1,136,291 |
| 2026-10-15 | 300.50 | 301.50 | 284.50 | 285.00 | 285.00 | 1,938,869 |
| 2026-10-14 | 312.00 | 312.00 | 306.50 | 307.00 | 307.00 | 1,022,209 |
| 2026-10-13 | 312.50 | 318.00 | 304.00 | 306.00 | 306.00 | 1,978,271 |
| 2026-10-12 | 315.00 | 322.00 | 313.50 | 316.00 | 316.00 | 3,194,345 |
| 2026-10-08 | 311.00 | 316.00 | 307.00 | 313.50 | 313.50 | 2,164,055 |
| 2026-10-07 | 306.00 | 317.00 | 302.50 | 313.50 | 313.50 | 2,858,924 |
| 2026-10-06 | 310.00 | 318.00 | 307.50 | 308.00 | 308.00 | 5,129,519 |
| 2026-10-05 | 309.50 | 312.00 | 302.00 | 305.50 | 305.50 | 3,360,715 |
| 2026-10-02 | 283.00 | 301.00 | 277.00 | 300.00 | 300.00 | 3,840,193 |
| 2026-10-01 | 281.50 | 290.00 | 278.50 | 289.00 | 289.00 | 1,603,726 |
| 2026-09-30 | 279.00 | 284.50 | 275.00 | 279.00 | 279.00 | 939,425 |
| 2026-09-29 | 270.50 | 280.50 | 269.00 | 276.00 | 276.00 | 1,381,017 |
| 2026-09-24 | 264.00 | 270.00 | 261.50 | 270.00 | 270.00 | 436,234 |
| 2026-09-23 | 270.50 | 272.00 | 263.50 | 264.50 | 264.50 | 613,162 |
| 2026-09-22 | 272.00 | 273.00 | 267.00 | 268.00 | 268.00 | 548,061 |
| 2026-09-21 | 268.50 | 272.00 | 267.50 | 268.50 | 268.50 | 357,000 |
| 2026-09-18 | 269.00 | 269.00 | 265.50 | 267.00 | 267.00 | 489,079 |
| 2026-09-17 | 268.00 | 268.00 | 264.00 | 264.00 | 264.00 | 413,295 |
| 2026-09-16 | 260.50 | 263.50 | 259.50 | 262.50 | 262.50 | 301,100 |
| 2026-09-15 | 258.50 | 262.00 | 258.50 | 258.50 | 258.50 | 361,640 |
| 2026-09-14 | 263.00 | 263.00 | 258.00 | 259.00 | 259.00 | 542,279 |
| 2026-09-11 | 264.50 | 264.50 | 261.00 | 263.00 | 263.00 | 589,557 |
| 2026-09-10 | 271.00 | 272.00 | 266.00 | 266.50 | 266.50 | 693,557 |
| 2026-09-09 | 272.00 | 276.50 | 270.50 | 271.00 | 271.00 | 635,221 |
| 2026-09-08 | 277.00 | 278.00 | 268.50 | 270.00 | 270.00 | 1,693,796 |
| 2026-09-07 | 284.00 | 285.50 | 281.00 | 282.00 | 282.00 | 812,682 |
| 2026-09-04 | 299.50 | 300.50 | 278.50 | 284.00 | 284.00 | 2,575,510 |
| 2026-09-03 | 292.00 | 306.50 | 287.50 | 293.50 | 293.50 | 2,674,488 |
| 2026-09-02 | 293.50 | 294.50 | 288.00 | 288.50 | 288.50 | 1,079,710 |
| 2026-09-01 | 294.00 | 304.50 | 294.00 | 297.50 | 297.50 | 1,342,453 |
| 2026-08-31 | 295.00 | 297.50 | 285.00 | 290.50 | 290.50 | 642,394 |
| 2026-08-28 | 298.50 | 299.50 | 292.50 | 293.50 | 293.50 | 667,004 |
| 2026-08-27 | 289.50 | 300.50 | 289.00 | 296.50 | 296.50 | 804,680 |
| 2026-08-26 | 285.00 | 290.50 | 282.00 | 288.50 | 288.50 | 493,138 |
| 2026-08-25 | 284.00 | 284.00 | 273.50 | 282.50 | 282.50 | 662,300 |
| 2026-08-24 | 287.00 | 290.00 | 281.00 | 281.50 | 281.50 | 493,212 |
| 2026-08-21 | 289.50 | 290.50 | 283.50 | 285.00 | 285.00 | 509,770 |
| 2026-08-20 | 288.50 | 290.00 | 282.00 | 289.50 | 289.50 | 736,305 |
| 2026-08-19 | 283.00 | 290.50 | 281.00 | 285.00 | 285.00 | 754,030 |
| 2026-08-18 | 298.50 | 301.50 | 289.50 | 289.50 | 289.50 | 738,323 |
| 2026-08-17 | 294.50 | 301.00 | 292.50 | 299.50 | 299.50 | 708,617 |
| 2026-08-14 | 307.00 | 307.00 | 293.00 | 295.00 | 295.00 | 1,034,040 |
| 2026-08-13 | 309.00 | 313.50 | 303.00 | 303.50 | 303.50 | 1,183,101 |
| 2026-08-12 | 302.50 | 311.00 | 302.50 | 307.50 | 307.50 | 1,650,912 |
| 2026-08-11 | 297.50 | 304.50 | 294.00 | 302.50 | 302.50 | 1,535,939 |
| 2026-08-10 | 295.00 | 302.50 | 293.00 | 296.50 | 296.50 | 1,036,202 |
| 2026-08-07 | 298.00 | 301.00 | 288.00 | 290.00 | 290.00 | 1,018,143 |
| 2026-08-06 | 297.50 | 298.50 | 288.50 | 295.50 | 295.50 | 962,345 |
| 2026-08-05 | 304.00 | 309.00 | 297.00 | 297.50 | 297.50 | 1,363,482 |
| 2026-08-04 | 296.50 | 304.00 | 291.00 | 296.50 | 296.50 | 1,897,177 |
| 2026-08-03 | 266.50 | 292.50 | 266.00 | 286.50 | 286.50 | 1,510,340 |
| 2026-07-31 | 267.00 | 273.00 | 265.00 | 268.50 | 268.50 | 1,436,850 |
| 2026-07-30 | 252.00 | 261.00 | 245.00 | 249.00 | 249.00 | 1,975,333 |
| 2026-07-29 | 274.50 | 276.00 | 246.50 | 255.00 | 255.00 | 4,178,432 |
| 2026-07-28 | 286.00 | 287.50 | 272.50 | 273.50 | 273.50 | 2,012,358 |
| 2026-07-27 | 292.00 | 298.50 | 283.50 | 296.50 | 296.50 | 1,166,208 |
| 2026-07-24 | 291.00 | 309.00 | 289.50 | 292.50 | 292.50 | 1,271,768 |
Page 1 of 2 · 63 trading daysOlder →
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.