Test Research, Inc. (TPE:3030)
389.50
-28.00 (-6.71%)
May 8, 2026, 1:30 PM CST
Test Research Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 8, 2026 | 410.00 | 421.00 | 383.00 | 389.50 | 389.50 | -6.71% | 3,349,873 |
| May 7, 2026 | 420.00 | 430.50 | 410.00 | 417.50 | 417.50 | 1.09% | 6,278,649 |
| May 6, 2026 | 426.00 | 435.50 | 400.00 | 413.00 | 413.00 | -0.24% | 13,353,660 |
| May 5, 2026 | 398.00 | 414.00 | 398.00 | 414.00 | 414.00 | 9.96% | 5,957,365 |
| May 4, 2026 | 347.00 | 376.50 | 345.00 | 376.50 | 376.50 | 9.93% | 9,600,169 |
| Apr 30, 2026 | 356.00 | 358.00 | 339.50 | 342.50 | 342.50 | -0.58% | 6,994,340 |
| Apr 29, 2026 | 331.00 | 345.00 | 323.00 | 344.50 | 344.50 | 5.19% | 6,718,600 |
| Apr 28, 2026 | 314.50 | 340.00 | 309.00 | 327.50 | 327.50 | 4.63% | 6,146,876 |
| Apr 27, 2026 | 320.00 | 321.50 | 302.00 | 313.00 | 313.00 | -0.79% | 4,952,679 |
| Apr 24, 2026 | 323.00 | 324.50 | 310.00 | 315.50 | 315.50 | -2.17% | 7,115,951 |
| Apr 23, 2026 | 360.50 | 367.50 | 322.50 | 322.50 | 322.50 | -9.92% | 12,275,596 |
| Apr 22, 2026 | 345.00 | 374.50 | 342.00 | 358.00 | 358.00 | 4.99% | 9,209,405 |
| Apr 21, 2026 | 344.00 | 348.00 | 325.00 | 341.00 | 341.00 | -0.29% | 8,737,148 |
| Apr 20, 2026 | 347.00 | 357.50 | 336.50 | 342.00 | 342.00 | 1.03% | 11,324,920 |
| Apr 17, 2026 | 309.00 | 338.50 | 308.50 | 338.50 | 338.50 | 9.90% | 7,021,696 |
| Apr 16, 2026 | 309.00 | 310.50 | 303.50 | 308.00 | 308.00 | - | 3,301,971 |
| Apr 15, 2026 | 303.00 | 314.50 | 300.00 | 308.00 | 308.00 | 1.65% | 5,788,121 |
| Apr 14, 2026 | 318.00 | 318.00 | 297.00 | 303.00 | 303.00 | -2.42% | 7,665,560 |
| Apr 13, 2026 | 308.00 | 324.00 | 301.00 | 310.50 | 310.50 | 2.48% | 15,103,500 |
| Apr 10, 2026 | 290.00 | 303.00 | 284.50 | 303.00 | 303.00 | 9.98% | 15,159,210 |
| Apr 9, 2026 | 275.00 | 281.00 | 268.00 | 275.50 | 275.50 | 1.10% | 7,709,562 |
| Apr 8, 2026 | 268.00 | 276.00 | 256.50 | 272.50 | 272.50 | 7.28% | 10,735,760 |
| Apr 7, 2026 | 250.00 | 259.00 | 243.00 | 254.00 | 254.00 | 2.63% | 5,295,626 |
| Apr 2, 2026 | 255.50 | 261.50 | 247.50 | 247.50 | 247.50 | -3.51% | 5,401,950 |
| Apr 1, 2026 | 268.00 | 271.50 | 255.50 | 256.50 | 256.50 | 0.39% | 6,083,316 |
| Mar 31, 2026 | 263.50 | 272.00 | 253.00 | 255.50 | 255.50 | -4.49% | 7,180,054 |
| Mar 30, 2026 | 255.00 | 272.50 | 253.50 | 267.50 | 267.50 | 2.88% | 7,679,732 |
| Mar 27, 2026 | 248.50 | 261.50 | 242.00 | 260.00 | 260.00 | 2.77% | 3,568,735 |
| Mar 26, 2026 | 255.50 | 260.50 | 247.50 | 253.00 | 253.00 | 0.80% | 3,859,511 |
| Mar 25, 2026 | 243.00 | 256.00 | 241.50 | 251.00 | 251.00 | 7.04% | 3,331,771 |
| Mar 24, 2026 | 250.00 | 250.00 | 233.50 | 234.50 | 234.50 | -2.90% | 3,269,195 |
| Mar 23, 2026 | 244.00 | 252.00 | 241.00 | 241.50 | 241.50 | -5.48% | 3,598,439 |
| Mar 20, 2026 | 268.50 | 271.00 | 255.00 | 255.50 | 255.50 | -3.04% | 5,293,426 |
| Mar 19, 2026 | 258.50 | 275.50 | 256.00 | 263.50 | 263.50 | 1.15% | 5,706,630 |
| Mar 18, 2026 | 258.00 | 264.50 | 252.00 | 260.50 | 260.50 | 2.36% | 4,779,444 |
| Mar 17, 2026 | 251.00 | 260.00 | 242.50 | 254.50 | 254.50 | 1.80% | 7,876,825 |
| Mar 16, 2026 | 280.00 | 281.00 | 250.00 | 250.00 | 250.00 | -9.91% | 10,239,200 |
| Mar 13, 2026 | 275.00 | 281.50 | 268.00 | 277.50 | 277.50 | -0.18% | 11,319,760 |
| Mar 12, 2026 | 253.50 | 278.00 | 251.50 | 278.00 | 278.00 | 9.88% | 9,272,026 |
| Mar 11, 2026 | 248.00 | 256.00 | 246.00 | 253.00 | 253.00 | 3.27% | 9,176,931 |
| Mar 10, 2026 | 241.50 | 251.50 | 237.50 | 245.00 | 245.00 | 5.83% | 6,087,514 |
| Mar 9, 2026 | 220.50 | 232.00 | 220.50 | 231.50 | 231.50 | -5.51% | 6,359,138 |
| Mar 6, 2026 | 246.00 | 264.00 | 240.50 | 245.00 | 245.00 | -1.61% | 12,266,730 |
| Mar 5, 2026 | 251.00 | 258.00 | 238.00 | 249.00 | 249.00 | 4.84% | 10,769,330 |
| Mar 4, 2026 | 241.00 | 246.00 | 226.50 | 237.50 | 237.50 | 0.42% | 10,896,000 |
| Mar 3, 2026 | 250.00 | 261.50 | 231.50 | 236.50 | 236.50 | -3.67% | 14,590,630 |
| Mar 2, 2026 | 219.00 | 245.50 | 218.50 | 245.50 | 245.50 | 9.84% | 8,576,693 |
| Feb 26, 2026 | 206.50 | 223.50 | 205.50 | 223.50 | 223.50 | 9.83% | 10,139,590 |
| Feb 25, 2026 | 203.00 | 204.00 | 196.50 | 203.50 | 203.50 | 0.25% | 3,691,248 |
| Feb 24, 2026 | 200.00 | 204.00 | 196.00 | 203.00 | 203.00 | 3.31% | 4,962,816 |