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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.

RSI overbought

The 14-day RSI rises above 70.

HoldingEventsMedian (likely range)ConfidenceRankUpvs SPYRange of outcomes (worst · 25–75% · median · best)vs S&P 500 stocks (their medians)
1 day 21 -0.84% (-1.1 to -0.2) High #428 of 501 33% +0.17%
1 week 21 -0.63% (-1.5 to +1.1) High #340 of 501 43% +0.06%
1 month 21 ≈19 indep. +6.03% (+0.3 to +7.0) Medium #31 of 501 67% +4.84%
1 quarter 21 ≈13 indep. -1.38% (-13.2 to +34.3) Medium #240 of 501 48% -5.62%

Range of outcomes: all of TER's overbought readings 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.

RSI overbought by trend

When it happenedEvents1 day1 week1 month1 quarter
Long trendAbove its 200-day avg now 17 -0.2%M vs +0.2% +0.9%M vs +0.9% +6.0%M vs +2.6% -1.4%M vs +2.7%
Below its 200-day avg 2 -1.9%– vs 0.0% -4.7%– vs +0.5% +4.6%– vs +6.5% +29.5%– vs +12.5%
Medium trendAbove its 50-day avg now 20 -0.6%H vs +0.2% -0.5%H vs +0.9% +5.3%M vs +3.2% +3.8%M vs +5.8%
Below its 50-day avg — — — — —
Short trendAbove its 20-day avg now 21 -0.8%H vs 0.0% -0.6%H vs +0.9% +6.0%M vs +3.3% -1.4%M vs +2.0%
Below its 20-day avg — — — — —

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 overbought readings

EventEntry1 day1 week1 month1 quarter
Apr 17, 2026 Apr 17 @ $380.09 RSI 70.8, +4.0% on the day -1.4% +9.9% -15.6% -12.2%
Feb 19, 2026 Feb 19 @ $315.66 RSI 70.2, +0.3% on the day +2.8% +5.3% -7.9% +9.0%
Jan 27, 2026 Jan 27 @ $238.66 RSI 70.2, +3.1% on the day +4.8% +18.4% +39.3% +59.2%
Jan 5, 2026 Jan 5 @ $219.24 RSI 71.9, +5.8% on the day +4.3% +2.2% +22.6% +46.1%
Dec 5, 2025 Dec 5 @ $200.53 RSI 70.5, +1.1% on the day +1.1% -3.7% +10.8% +49.9%
Oct 29, 2025 Oct 29 @ $173.60 RSI 74.9, +20.5% on the day +1.7% +7.8% +4.7% +38.7%
Sep 22, 2025 Sep 22 @ $134.92 RSI 76.5, +12.8% on the day -0.4% -0.6% +6.0% +44.5%
Aug 26, 2025 Aug 26 @ $118.26 RSI 71.2, +1.3% on the day -1.4% +0.9% +12.1% +40.2%
Jul 30, 2025 Jul 30 @ $107.33 RSI 73.4, +18.9% on the day -0.2% -2.6% +9.5% +34.3%
Jul 10, 2025 Jul 10 @ $98.33 RSI 70.9, +6.3% on the day -1.6% -5.9% +9.0% +46.8%
Jan 6, 2025 Jan 6 @ $139.23 RSI 73.3, +7.2% on the day -0.8% -4.2% -18.5% -51.4%
Dec 16, 2024 Dec 16 @ $128.77 RSI 71.3, +5.1% on the day -1.1% -0.8% +6.9% -31.8%
Jul 10, 2024 Jul 10 @ $157.93 RSI 72.4, +3.7% on the day -2.7% -4.3% -22.8% -18.6%
Jun 5, 2024 Jun 5 @ $144.29 RSI 72.1, +4.1% on the day -1.5% +2.4% +6.0% -13.2%
May 14, 2024 May 14 @ $126.04 RSI 70.8, +1.8% on the day +3.8% +10.4% +16.3% -1.4%

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.