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Teradyne, Inc (TER) stock

TERNasdaqInstruments For Meas & Testing of Electricity & Elec SignalsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 27, 2026Last filing: 10-Q on Oct 30, 2026Score 20/307% below fair value
$274.37−21.86 (-7.38%)

Close on Oct 30, 2026Market cap $42.90BP/E 31.5Yield 0.17%

Price history

Teradyne share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$274.37
-7.38% on the day
52-week range
$151.52 – $487.91
-43.8% from the high
Change over 52 weeks
+55.1%
From $176.88 on Oct 30, 2025
Average volume
3.33M
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$277.54$284.16$266.36$274.37-7.38%8,625,039
Oct 29, 2026$303.23$304.78$288.67$296.23-5.43%4,226,864
Oct 28, 2026$302.68$317.00$295.00$313.24-3.23%5,108,917
Oct 27, 2026$318.04$328.83$312.28$323.68+4.75%4,105,491
Oct 26, 2026$314.33$320.00$306.44$309.00+0.05%3,042,481
Oct 23, 2026$306.35$317.79$304.27$308.85+0.03%2,669,856
Oct 22, 2026$323.66$324.45$306.84$308.75-10.63%5,873,859
Oct 21, 2026$345.55$351.95$341.51$345.49+2.64%2,139,640
Oct 20, 2026$328.03$342.98$322.33$336.59+0.32%2,415,336
Oct 19, 2026$341.50$348.38$333.00$335.53+3.24%3,406,289
Oct 16, 2026$339.14$341.01$324.09$325.00-5.31%3,207,626
Oct 15, 2026$341.80$344.88$331.89$343.21-4.52%4,534,999
Oct 14, 2026$368.04$371.71$354.74$359.44-5.48%3,774,499
Oct 13, 2026$371.50$381.10$362.54$380.29-0.93%2,738,493
Oct 12, 2026$394.09$394.68$381.74$383.85-4.68%2,733,016
Oct 9, 2026$405.19$414.26$399.31$402.68+0.99%1,814,320
Oct 8, 2026$405.00$410.73$388.85$398.72-3.17%3,394,260
Oct 7, 2026$415.18$416.69$404.80$411.78-4.31%2,403,997
Oct 6, 2026$445.07$448.00$427.04$430.32-3.20%2,011,086
Oct 5, 2026$447.09$447.71$435.50$444.53-1.00%1,679,186
Oct 2, 2026$430.80$451.86$427.03$449.04+8.00%3,401,925
Oct 1, 2026$402.90$419.37$401.24$415.79+3.71%1,709,169
Sep 30, 2026$402.60$404.46$393.14$400.91-0.52%1,524,169
Sep 29, 2026$410.85$415.61$399.84$403.02+0.43%2,568,728
Sep 28, 2026$394.70$401.97$383.50$401.30+0.73%2,027,704
Sep 25, 2026$394.85$400.46$388.38$398.38+2.75%1,606,820
Sep 24, 2026$383.08$388.54$376.02$387.70-0.37%1,333,468
Sep 23, 2026$398.00$398.68$378.31$389.14-2.40%2,011,537
Sep 22, 2026$373.00$399.40$370.45$398.69+4.49%2,318,879
Sep 21, 2026$378.71$384.99$370.88$381.54+2.71%3,394,386

Seasonality

TER return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average2.1%5.1%-2.2%0.9%6.7%6.8%4.3%-2.6%-0.1%2.2%7.4%5.3%
Months up5 of 106 of 105 of 106 of 109 of 108 of 107 of 103 of 104 of 106 of 108 of 97 of 9
202624.5%32.8%-7.4%15.9%9.0%29.3%-24.0%-4.9%14.6%-31.6%
2025-8.0%-5.0%-24.8%-10.2%6.1%14.4%19.5%10.1%16.5%32.1%0.1%6.4%
2024-11.0%7.4%8.9%3.1%21.3%5.2%-11.6%4.2%-2.0%-20.7%3.7%14.5%
202316.4%-0.4%6.3%-15.0%9.8%11.1%1.4%-4.4%-6.9%-17.1%10.9%17.7%
2022-28.2%0.5%0.3%-10.8%3.7%-18.0%12.7%-16.0%-11.2%8.3%15.0%-6.5%
2021-5.3%13.4%-5.4%2.8%5.9%1.2%-5.2%-4.3%-10.1%26.6%10.7%7.0%
2020-3.2%-10.8%-7.8%15.5%7.3%26.1%5.3%-4.5%-6.4%10.6%25.7%8.7%
201914.7%13.7%-2.4%23.0%-13.8%13.7%16.3%-5.0%9.5%5.7%2.4%8.9%
20189.5%-0.8%0.7%-28.8%16.7%0.4%13.6%-4.8%-10.0%-6.8%3.9%-12.1%
201711.7%0.5%9.4%13.4%1.0%-15.5%15.2%2.9%4.9%15.0%-5.5%3.5%