Wallsti
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TDG

Transdigm Group Incorporated · Industrials · Aerospace & Defense
TECHSellZACKSHold R500#384 today
$1,090.38 -0.63% today · -2.31% 1W
Oct 2 close or latest
PreviewWhy it's moving

Underperforming without a clear catalyst yet

Assembled from Wallsti's own signals.

After each kind of event

EventEvents1 day1 week1 month1 quarter
Any day 1,255 +0.2%#16 H +0.5%#105 H +1.6%#87 H +4.3%#131 M
Big drop (-1.7% or worse) 59 -0.1%#468 H +0.8%#102 H +2.3%#89 H +5.5%#120 M
Big gain (+1.8% or better) 56 +0.1%#292 H 0.0%#419 H +0.9%#320 H +3.5%#263 M
Earnings beat 18 +0.3%#204 M +0.2%#290 M -0.2%#464 M +5.3%#34 M
Earnings miss 2 -0.2%– +0.6%– -2.6%– -7.1%–
52-week high 17 +0.4%#15 M +0.5%#115 M +3.9%#20 M +6.8%#92 M
52-week low 2 -0.5%– -1.4%– +0.6%– +15.0%–
Crossed above 200-day avg 11 +1.2%#97 M +1.5%#11 M -0.3%#367 M +4.3%#221 L
Crossed below 200-day avg 9 +0.9%#64 M +0.8%#221 M +4.6%#29 M +8.3%#111 L
RSI oversold 7 +0.1%#256 L -0.4%#332 L +4.5%#140 L +9.0%#158 L
RSI overbought 17 +0.7%#8 M +1.0%#57 M -0.1%#361 M +7.2%#104 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 TDG's own: its worst / best 10% of days over the prior 2 years. Highlighted: happening in the latest session.

Big gain (+1.8% or better)

A daily rise among the stock's own best 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 56 +0.07% (-0.3 to +0.2) High #292 of 500 52% -0.07%
1 week 56 -0.03% (-0.5 to +0.5) High #419 of 500 48% +0.19%
1 month 55 ≈32 indep. +0.88% (-0.2 to +3.5) High #320 of 500 56% +0.75%
1 quarter 53 ≈14 indep. +3.48% (+1.2 to +9.4) Medium #263 of 499 68% -1.27%

Range of outcomes: all of TDG's big gains 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 gain by trend

When it happenedEvents1 day1 week1 month1 quarter
Long trendAbove its 200-day avg 43 0.0%H vs +0.2% -0.4%H vs +0.5% -0.1%H vs +2.0% +3.3%M vs +6.4%
Below its 200-day avg now 13 +0.2%M vs +0.1% +1.4%M vs +0.3% +3.4%L vs +1.9% +4.3%L vs +2.3%
Medium trendAbove its 50-day avg 37 +0.1%H vs +0.2% -0.2%H vs +0.6% +0.9%H vs +1.7% +3.3%M vs +2.3%
Below its 50-day avg now 19 -0.3%M vs +0.1% +0.5%M vs +0.3% +1.1%M vs +1.8% +4.3%M vs +8.3%
Short trendAbove its 20-day avg 41 0.0%H vs +0.2% -0.2%H vs +0.5% +0.4%H vs +1.6% +2.7%M vs +2.8%
Below its 20-day avg now 15 +0.2%M vs +0.1% +0.5%M vs +0.5% +2.6%M vs +1.7% +10.3%M vs +6.7%

The same event split by where TDG 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 gains

EventEntry1 day1 week1 month1 quarter
Sep 21, 2026 Sep 21 @ $1,109.65 +2.2% on the day (line +1.8%) +0.2% 0.0% … …
Aug 3, 2026 Aug 3 @ $1,285.56 +2.5% on the day (line +1.9%) -0.8% -4.8% -10.1% …
Jul 24, 2026 Jul 24 @ $1,236.71 +1.9% on the day (line +1.9%) +4.0% +1.4% -3.0% …
Jul 2, 2026 Jul 2 @ $1,348.49 +3.0% on the day (line +1.9%) -0.2% -4.2% -4.7% -18.6%
Jun 24, 2026 Jun 24 @ $1,322.67 +1.9% on the day (line +1.9%) +0.7% -1.0% -6.5% -16.4%
Jun 9, 2026 Jun 9 @ $1,257.24 +4.2% on the day (line +1.9%) -3.6% +3.5% +2.7% -10.5%
May 28, 2026 May 28 @ $1,265.06 +1.9% on the day (line +1.9%) -0.5% -2.9% +4.6% -6.2%
May 18, 2026 May 18 @ $1,182.35 +2.9% on the day (line +1.8%) -0.3% +3.7% +11.4% +4.3%
May 5, 2026 May 5 @ $1,191.33 +3.6% on the day (line +1.8%) +3.5% 0.0% +3.1% +5.3%
Apr 13, 2026 Apr 13 @ $1,233.11 +2.1% on the day (line +1.8%) +5.1% +3.4% -3.4% -1.4%
Mar 31, 2026 Mar 31 @ $1,158.96 +2.3% on the day (line +1.8%) +1.2% +5.3% +0.1% +13.0%
Mar 16, 2026 Mar 16 @ $1,247.82 +2.7% on the day (line +1.8%) -1.2% -7.6% +2.2% +2.4%
Jan 14, 2026 Jan 14 @ $1,423.84 +3.0% on the day (line +1.8%) +0.7% -0.2% -9.6% -13.7%
Jan 2, 2026 Jan 2 @ $1,358.55 +2.2% on the day (line +1.8%) +0.7% +2.5% -4.2% -12.4%
Dec 22, 2025 Dec 22 @ $1,301.79 +1.9% on the day (line +1.8%) +1.0% +1.1% +9.0% -11.2%

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.