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TER

Teradyne, Inc. · Technology · Semiconductor Equipment & Materials
TECHStrong BuyZACKSHold R500#1 today
$449.04 +8.00% today · +12.72% 1W
Oct 2 close or latest
PreviewWhy it's moving

Outperforming without a clear catalyst yet

Assembled from Wallsti's own signals.
Latest session Big gain +8.0% on the day (line +4.5%)
After its 69 big gains in the past 5 years, TER typically gained 6.0% over the next month (median) and was higher 67% of the time; half the outcomes fell between -3.5% and +11.4%. An ordinary month: +3.1%. Among S&P 500 stocks after big gains, that ranks #22 of 500.
See the aftermath

After each kind of event

EventEvents1 day1 week1 month1 quarter
Any day 1,255 +0.2%#70 H +0.8%#30 H +3.1%#51 H +3.6%#193 M
Big drop (-3.8% or worse) 65 +1.1%#9 H +0.7%#192 H +5.1%#104 H +9.6%#184 M
Big gain latest session (+4.5% or better) 72 -0.2%#312 H -0.3%#347 H +6.0%#22 H +12.3%#166 M
Earnings beat 20 +1.0%#20 H +0.9%#208 H +8.2%#9 H +16.2%#44 M
Earnings miss — — — — —
52-week high 12 -0.1%#245 M +1.1%#118 M +3.1%#189 M +2.0%#219 M
52-week low 2 -1.6%– +0.2%– +2.6%– +16.2%–
Crossed above 200-day avg 7 -0.2%#324 L 0.0%#273 L +6.9%#59 L +9.9%#102 L
Crossed below 200-day avg 8 -0.7%#314 M -1.5%#351 M +3.5%#70 M +11.0%#149 L
RSI oversold 8 +0.9%#62 M +0.1%#274 M +4.2%#190 L +11.3%#39 L
RSI overbought 21 -0.8%#428 H -0.6%#340 H +6.0%#31 M -1.4%#240 M
Reddit spike — — — — —
Analyst upgrade — — — — —
Analyst downgrade — — — — —
Insider buy — — — — —
Insider unplanned sale — — — — —

Median gain from the close of the session the event was known, over each holding period; #rank among the S&P 500 stocks after the same kind of event (#1 = best). "Big" is TER's own: its worst / best 10% of days over the prior 2 years. Highlighted: happening in the latest session.

Big drop (-3.8% or worse)

A daily fall among the stock's own worst 10% of the prior 2 years.

HoldingEventsMedian (likely range)ConfidenceRankUpvs SPYRange of outcomes (worst · 25–75% · median · best)vs S&P 500 stocks (their medians)
1 day 65 +1.11% (+0.6 to +1.5) High #9 of 500 71% +0.96%
1 week 65 +0.69% (-0.7 to +0.9) High #192 of 500 55% +0.51%
1 month 64 ≈41 indep. +5.13% (+0.2 to +8.4) High #104 of 500 59% +1.62%
1 quarter 58 ≈15 indep. +9.64% (-0.2 to +21.6) Medium #184 of 499 62% +4.16%

Range of outcomes: all of TER's big drops in the past 5 years, from the worst to the best result over each holding period; the box holds the middle half, the tick is the median. A wide box means the median alone says little. Hover the median for the average.

Big drop by trend

When it happenedEvents1 day1 week1 month1 quarter
Long trendAbove its 200-day avg now 45 +1.2%H vs +0.2% +0.7%H vs +0.9% +4.5%H vs +2.6% +7.6%M vs +2.7%
Below its 200-day avg 20 +0.9%H vs 0.0% 0.0%H vs +0.5% +6.8%M vs +6.5% +15.6%M vs +12.5%
Medium trendAbove its 50-day avg now 33 +1.5%H vs +0.2% +0.4%H vs +0.9% +5.9%H vs +3.2% +16.2%M vs +5.8%
Below its 50-day avg 32 +0.6%H vs 0.0% +0.8%H vs +0.3% +5.1%H vs +1.1% +8.5%M vs +1.1%
Short trendAbove its 20-day avg now 24 +1.4%H vs 0.0% +1.5%H vs +0.9% +5.0%H vs +3.3% +15.0%M vs +2.0%
Below its 20-day avg 41 +0.6%H vs +0.2% +0.3%H vs +0.5% +5.2%H vs +1.8% +8.9%M vs +4.5%

The same event split by where TER stood against its 200-, 50- and 20-day averages when it happened (a dip in an uptrend vs a falling knife); "vs" is the plain any-day median in that trend; "now" marks where it stands today. Splitting halves the evidence, so watch the confidence letters: H / M / L.

Latest big drops

EventEntry1 day1 week1 month1 quarter
Sep 14, 2026 Sep 14 @ $329.20 -13.3% on the day (line -3.8%) +1.1% +15.9% … …
Aug 28, 2026 Aug 28 @ $354.83 -4.6% on the day (line -3.8%) -1.4% +0.6% +13.6% …
Aug 18, 2026 Aug 18 @ $404.13 -8.8% on the day (line -3.7%) -6.1% -9.4% -12.6% …
Aug 10, 2026 Aug 10 @ $364.96 -3.8% on the day (line -3.7%) +4.0% +21.4% +5.1% …
Jul 24, 2026 Jul 24 @ $349.79 -6.4% on the day (line -3.7%) -4.3% +5.1% +4.3% …
Jul 16, 2026 Jul 16 @ $322.18 -5.8% on the day (line -3.7%) 0.0% +16.0% +29.9% …
Jul 7, 2026 Jul 7 @ $342.98 -9.6% on the day (line -3.7%) +2.5% +3.0% +13.5% …
Jun 26, 2026 Jun 26 @ $436.69 -7.4% on the day (line -3.7%) +6.0% -13.1% -26.6% -8.8%
Jun 16, 2026 Jun 16 @ $409.19 -5.3% on the day (line -3.6%) -0.2% +4.4% -21.3% -16.6%
Jun 5, 2026 Jun 5 @ $357.79 -12.0% on the day (line -3.4%) +4.7% +12.6% -1.8% -0.2%
May 27, 2026 May 27 @ $375.69 -3.4% on the day (line -3.4%) +1.8% +9.0% +16.2% -3.4%
May 15, 2026 May 15 @ $337.62 -5.2% on the day (line -3.3%) -5.0% +6.1% +21.2% +31.2%
May 7, 2026 May 7 @ $353.84 -7.4% on the day (line -3.3%) +1.6% +0.7% +5.9% +7.2%
Apr 27, 2026 Apr 27 @ $401.69 -3.9% on the day (line -3.2%) -5.4% -16.1% -6.5% -20.2%
Mar 30, 2026 Mar 30 @ $276.14 -6.5% on the day (line -3.3%) +7.3% +16.0% +10.8% +75.1%

Aftermath: entry is the close of the first session the event was fully known (the same session for price moves, the reaction session for earnings, the next session for Reddit, analyst and insider events, which are dated by day). Repeats within a few sessions count as one event. Past performance after an event says nothing certain about the next one. Not advice.