Teradyne, Inc. (TER)
NASDAQ: TER · Real-Time Price · USD
274.37
-21.86 (-7.38%)
At close: Oct 30, 2026, 4:00 PM EDT
275.50
+1.13 (0.41%)
After-hours: Oct 30, 2026, 7:59 PM EDT
Teradyne Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 30, 2026 | 277.54 | 284.16 | 266.36 | 274.37 | 274.37 | -7.38% | 8,625,021 |
| Oct 29, 2026 | 303.23 | 304.78 | 288.67 | 296.23 | 296.23 | -5.43% | 4,226,864 |
| Oct 28, 2026 | 302.68 | 317.00 | 295.00 | 313.24 | 313.24 | -3.23% | 5,108,917 |
| Oct 27, 2026 | 318.04 | 328.83 | 312.28 | 323.68 | 323.68 | 4.75% | 4,105,491 |
| Oct 26, 2026 | 314.33 | 320.00 | 306.44 | 309.00 | 309.00 | 0.05% | 3,042,481 |
| Oct 23, 2026 | 306.35 | 317.79 | 304.27 | 308.85 | 308.85 | 0.03% | 2,669,856 |
| Oct 22, 2026 | 323.66 | 324.45 | 306.84 | 308.75 | 308.75 | -10.63% | 5,873,859 |
| Oct 21, 2026 | 345.55 | 351.95 | 341.51 | 345.49 | 345.49 | 2.64% | 2,139,640 |
| Oct 20, 2026 | 328.03 | 342.98 | 322.33 | 336.59 | 336.59 | 0.32% | 2,415,336 |
| Oct 19, 2026 | 341.50 | 348.38 | 333.00 | 335.53 | 335.53 | 3.24% | 3,406,289 |
| Oct 16, 2026 | 339.14 | 341.02 | 324.09 | 325.00 | 325.00 | -5.31% | 3,207,626 |
| Oct 15, 2026 | 341.80 | 344.88 | 331.89 | 343.21 | 343.21 | -4.52% | 4,534,999 |
| Oct 14, 2026 | 368.04 | 371.71 | 354.74 | 359.44 | 359.44 | -5.48% | 3,774,499 |
| Oct 13, 2026 | 371.50 | 381.10 | 362.54 | 380.29 | 380.29 | -0.93% | 2,738,493 |
| Oct 12, 2026 | 394.09 | 394.68 | 381.74 | 383.85 | 383.85 | -4.68% | 2,733,016 |
| Oct 9, 2026 | 405.19 | 414.26 | 399.31 | 402.68 | 402.68 | 0.99% | 1,814,320 |
| Oct 8, 2026 | 405.00 | 410.73 | 388.85 | 398.72 | 398.72 | -3.17% | 3,394,260 |
| Oct 7, 2026 | 415.18 | 416.69 | 404.80 | 411.78 | 411.78 | -4.31% | 2,403,997 |
| Oct 6, 2026 | 445.07 | 448.00 | 427.04 | 430.32 | 430.32 | -3.20% | 2,011,086 |
| Oct 5, 2026 | 447.09 | 447.71 | 435.50 | 444.53 | 444.53 | -1.00% | 1,679,186 |
| Oct 2, 2026 | 430.80 | 451.86 | 427.03 | 449.04 | 449.04 | 8.00% | 3,401,925 |
| Oct 1, 2026 | 402.90 | 419.37 | 401.24 | 415.79 | 415.79 | 3.71% | 1,709,169 |
| Sep 30, 2026 | 402.60 | 404.46 | 393.14 | 400.91 | 400.91 | -0.52% | 1,524,169 |
| Sep 29, 2026 | 410.85 | 415.61 | 399.84 | 403.02 | 403.02 | 0.43% | 2,568,728 |
| Sep 28, 2026 | 394.70 | 401.97 | 383.50 | 401.30 | 401.30 | 0.73% | 2,027,704 |
| Sep 25, 2026 | 394.85 | 400.46 | 388.38 | 398.38 | 398.38 | 2.75% | 1,606,820 |
| Sep 24, 2026 | 383.08 | 388.54 | 376.02 | 387.70 | 387.70 | -0.37% | 1,333,468 |
| Sep 23, 2026 | 398.00 | 398.68 | 378.31 | 389.14 | 389.14 | -2.40% | 2,011,537 |
| Sep 22, 2026 | 373.00 | 399.40 | 370.45 | 398.69 | 398.69 | 4.49% | 2,318,879 |
| Sep 21, 2026 | 378.71 | 384.99 | 370.88 | 381.54 | 381.54 | 2.71% | 3,394,386 |
| Sep 18, 2026 | 359.24 | 371.71 | 356.97 | 371.47 | 371.47 | 5.19% | 4,292,952 |
| Sep 17, 2026 | 352.86 | 360.26 | 350.00 | 353.13 | 353.13 | 3.51% | 2,598,550 |
| Sep 16, 2026 | 340.51 | 347.00 | 336.57 | 341.15 | 341.15 | 2.49% | 2,550,159 |
| Sep 15, 2026 | 337.83 | 338.48 | 326.37 | 332.85 | 332.85 | 1.11% | 2,692,589 |
| Sep 14, 2026 | 347.12 | 349.46 | 328.59 | 329.20 | 329.20 | -13.30% | 4,889,699 |
| Sep 11, 2026 | 380.37 | 385.68 | 374.38 | 379.72 | 379.72 | 2.57% | 2,394,327 |
| Sep 10, 2026 | 372.21 | 375.00 | 365.82 | 370.19 | 370.19 | -3.52% | 2,312,767 |
| Sep 9, 2026 | 368.48 | 384.45 | 368.48 | 383.69 | 383.69 | 3.13% | 2,286,055 |
| Sep 8, 2026 | 365.03 | 377.76 | 364.42 | 372.06 | 372.06 | 4.21% | 2,791,345 |
| Sep 4, 2026 | 345.89 | 359.00 | 342.29 | 357.03 | 357.03 | 5.49% | 2,247,433 |
| Sep 3, 2026 | 332.86 | 341.61 | 326.00 | 338.59 | 338.46 | -0.89% | 1,692,777 |
| Sep 2, 2026 | 334.01 | 347.00 | 330.12 | 341.62 | 341.49 | 1.84% | 1,817,055 |
| Sep 1, 2026 | 341.30 | 342.31 | 328.10 | 335.46 | 335.33 | -4.11% | 2,586,783 |
| Aug 31, 2026 | 357.36 | 361.83 | 347.81 | 349.83 | 349.70 | -1.45% | 1,904,598 |
| Aug 28, 2026 | 368.54 | 370.58 | 353.25 | 354.97 | 354.83 | -4.59% | 2,400,963 |
| Aug 27, 2026 | 370.20 | 372.68 | 360.44 | 372.06 | 371.92 | 2.47% | 2,447,395 |
| Aug 26, 2026 | 366.17 | 366.52 | 357.03 | 363.10 | 362.96 | -0.91% | 2,225,067 |
| Aug 25, 2026 | 374.28 | 378.75 | 360.65 | 366.43 | 366.29 | 0.42% | 1,680,018 |
| Aug 24, 2026 | 360.12 | 367.82 | 349.01 | 364.90 | 364.76 | -2.88% | 2,663,294 |
| Aug 21, 2026 | 381.80 | 385.57 | 365.01 | 375.74 | 375.60 | -1.93% | 1,910,901 |