Teradyne, Inc. (TER)
NASDAQ: TER · Real-Time Price · USD
349.83
-5.14 (-1.45%)
At close: Aug 31, 2026, 4:00 PM EDT
349.61
-0.22 (-0.06%)
After-hours: Aug 31, 2026, 7:59 PM EDT
Teradyne Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 31, 2026 | 357.36 | 361.83 | 347.81 | 349.83 | 349.83 | -1.45% | 1,903,594 |
| Aug 28, 2026 | 368.54 | 370.58 | 353.25 | 354.97 | 354.97 | -4.59% | 2,400,963 |
| Aug 27, 2026 | 370.20 | 372.68 | 360.44 | 372.06 | 372.06 | 2.47% | 2,447,395 |
| Aug 26, 2026 | 366.17 | 366.52 | 357.03 | 363.10 | 363.10 | -0.91% | 2,225,067 |
| Aug 25, 2026 | 374.28 | 378.75 | 360.65 | 366.43 | 366.43 | 0.42% | 1,680,018 |
| Aug 24, 2026 | 360.12 | 367.82 | 349.01 | 364.90 | 364.90 | -2.88% | 2,663,294 |
| Aug 21, 2026 | 381.80 | 385.57 | 365.01 | 375.74 | 375.74 | -1.93% | 1,910,901 |
| Aug 20, 2026 | 377.34 | 385.93 | 372.90 | 383.15 | 383.15 | 0.92% | 1,995,949 |
| Aug 19, 2026 | 405.19 | 405.19 | 374.01 | 379.65 | 379.65 | -6.09% | 2,765,150 |
| Aug 18, 2026 | 419.15 | 424.76 | 392.18 | 404.29 | 404.29 | -8.77% | 4,293,754 |
| Aug 17, 2026 | 425.00 | 444.17 | 420.22 | 443.14 | 443.14 | 5.81% | 3,107,360 |
| Aug 14, 2026 | 410.51 | 419.00 | 398.42 | 418.79 | 418.79 | 2.01% | 1,842,643 |
| Aug 13, 2026 | 399.40 | 422.32 | 398.00 | 410.52 | 410.52 | 1.93% | 1,880,297 |
| Aug 12, 2026 | 396.50 | 408.55 | 393.16 | 402.74 | 402.74 | 6.11% | 2,957,077 |
| Aug 11, 2026 | 373.79 | 387.81 | 371.20 | 379.56 | 379.56 | 3.96% | 1,810,680 |
| Aug 10, 2026 | 386.66 | 387.00 | 364.26 | 365.10 | 365.10 | -3.75% | 2,377,231 |
| Aug 7, 2026 | 397.60 | 397.60 | 372.80 | 379.31 | 379.31 | -1.45% | 3,737,946 |
| Aug 6, 2026 | 382.01 | 396.59 | 370.00 | 384.89 | 384.89 | -1.16% | 2,629,616 |
| Aug 5, 2026 | 402.47 | 409.40 | 386.08 | 389.39 | 389.39 | -3.51% | 3,183,616 |
| Aug 4, 2026 | 388.61 | 409.72 | 382.87 | 403.56 | 403.56 | 10.32% | 4,144,088 |
| Aug 3, 2026 | 359.92 | 370.40 | 349.31 | 365.80 | 365.80 | -0.51% | 2,698,676 |
| Jul 31, 2026 | 382.99 | 392.00 | 362.23 | 367.69 | 367.69 | 0.60% | 3,771,504 |
| Jul 30, 2026 | 347.90 | 369.00 | 344.50 | 365.49 | 365.49 | 14.43% | 7,313,845 |
| Jul 29, 2026 | 367.90 | 372.23 | 319.19 | 319.41 | 319.41 | -0.39% | 9,221,739 |
| Jul 28, 2026 | 319.34 | 323.96 | 301.00 | 320.65 | 320.65 | -4.22% | 5,795,508 |
| Jul 27, 2026 | 349.93 | 355.25 | 319.60 | 334.77 | 334.77 | -4.33% | 4,149,279 |
| Jul 24, 2026 | 365.00 | 371.36 | 345.47 | 349.92 | 349.92 | -6.38% | 2,945,193 |
| Jul 23, 2026 | 362.97 | 378.50 | 362.67 | 373.75 | 373.75 | 1.16% | 2,092,387 |
| Jul 22, 2026 | 362.65 | 376.37 | 360.80 | 369.46 | 369.46 | -1.22% | 2,143,025 |
| Jul 21, 2026 | 361.00 | 379.19 | 356.01 | 374.04 | 374.04 | 12.07% | 3,997,936 |
| Jul 20, 2026 | 335.22 | 351.23 | 331.28 | 333.76 | 333.76 | 3.54% | 2,940,456 |
| Jul 17, 2026 | 305.89 | 330.68 | 296.82 | 322.36 | 322.36 | 0.02% | 3,518,674 |
| Jul 16, 2026 | 332.24 | 335.39 | 317.74 | 322.30 | 322.30 | -5.79% | 3,623,881 |
| Jul 15, 2026 | 356.30 | 358.00 | 325.14 | 342.12 | 342.12 | -3.15% | 3,182,562 |
| Jul 14, 2026 | 363.57 | 365.00 | 347.16 | 353.23 | 353.23 | 3.55% | 2,111,242 |
| Jul 13, 2026 | 345.00 | 348.59 | 334.35 | 341.11 | 341.11 | -5.14% | 3,104,954 |
| Jul 10, 2026 | 353.46 | 362.55 | 344.97 | 359.60 | 359.60 | -0.87% | 1,571,877 |
| Jul 9, 2026 | 379.24 | 385.00 | 360.66 | 362.75 | 362.75 | 3.18% | 3,708,104 |
| Jul 8, 2026 | 342.99 | 354.27 | 335.06 | 351.57 | 351.57 | 2.47% | 3,194,193 |
| Jul 7, 2026 | 354.06 | 361.05 | 328.28 | 343.11 | 343.11 | -9.59% | 6,405,402 |
| Jul 6, 2026 | 386.58 | 399.80 | 377.17 | 379.52 | 379.52 | 2.83% | 3,447,046 |
| Jul 2, 2026 | 427.41 | 429.74 | 362.01 | 369.09 | 369.09 | -13.63% | 5,938,035 |
| Jul 1, 2026 | 461.00 | 463.66 | 425.11 | 427.34 | 427.34 | -11.68% | 5,465,808 |
| Jun 30, 2026 | 467.50 | 487.91 | 460.00 | 483.84 | 483.84 | 4.45% | 5,022,378 |
| Jun 29, 2026 | 440.62 | 469.11 | 414.93 | 463.21 | 463.21 | 6.03% | 5,089,147 |
| Jun 26, 2026 | 453.74 | 456.24 | 423.07 | 436.86 | 436.86 | -7.44% | 11,486,352 |
| Jun 25, 2026 | 454.00 | 472.37 | 427.09 | 471.96 | 471.96 | 10.48% | 7,039,167 |
| Jun 24, 2026 | 423.07 | 433.00 | 413.77 | 427.20 | 427.20 | 1.69% | 3,256,557 |
| Jun 23, 2026 | 410.17 | 428.67 | 408.77 | 420.12 | 420.12 | -8.07% | 7,671,714 |
| Jun 22, 2026 | 456.14 | 459.19 | 439.61 | 457.00 | 457.00 | 4.36% | 4,338,542 |