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MPWR

Monolithic Power Systems, Inc. · Technology · Semiconductors
TECHStrong BuyZACKSBuy R500#5 today
$1,439.73 +5.79% today · +5.44% 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 +5.8% on the day (line +4.3%)
After its 63 big gains in the past 5 years, MPWR typically gained 1.2% over the next month (median) and was higher 56% of the time; half the outcomes fell between -5.0% and +10.2%. An ordinary month: +1.9%. Among S&P 500 stocks after big gains, that ranks #250 of 500.
See the aftermath

After each kind of event

EventEvents1 day1 week1 month1 quarter
Any day 1,255 +0.1%#79 H +0.6%#110 H +1.9%#118 H +7.7%#39 M
Big drop (-4.1% or worse) 57 +0.4%#142 H +1.6%#77 H +1.2%#252 H +12.2%#67 M
Big gain latest session (+4.4% or better) 65 +0.1%#264 H -0.5%#340 H +1.2%#250 H +8.3%#153 M
Earnings beat 20 -0.4%#328 H +0.4%#263 H +0.9%#265 H +1.9%#238 M
Earnings miss — — — — —
52-week high 12 +0.4%#134 M -1.8%#344 M -0.8%#365 M +1.5%#229 M
52-week low 2 -4.5%– -5.5%– +14.6%– +31.0%–
Crossed above 200-day avg 10 0.0%#243 M +1.2%#203 M +3.5%#209 M +12.0%#149 L
Crossed below 200-day avg 8 -0.3%#430 M -2.1%#413 M +7.7%#146 M +20.5%#146 L
RSI oversold 7 -0.6%#340 L -3.8%#360 L +4.8%#211 L +8.4%#207 L
RSI overbought 15 +0.2%#226 M +0.5%#168 M +1.6%#191 M +6.0%#141 M
Mention spike (Trendy) — — — — —
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 MPWR's own: its worst / best 10% of days over the prior 2 years. Highlighted: happening in the latest session.

Crossed below 200-day avg

The close moves below its 200-day moving average.

HoldingEventsMedian (likely range)ConfidenceRankUpvs SPYRange of outcomes (worst · 25–75% · median · best)vs S&P 500 stocks (their medians)
1 day 8 -0.28% (-1.4 to -0.2) Medium #430 of 497 25% -0.35%
1 week 8 -2.11% (-3.2 to +2.1) Medium #413 of 497 38% -1.84%
1 month 8 +7.74% (-2.3 to +12.6) Medium #146 of 496 62% +6.99%
1 quarter 7 ≈6 indep. +20.53% (-13.4 to +32.0) Low #146 of 493 57% +12.65%

Range of outcomes: all of MPWR's crosses below the 200-day average 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.

Crossed below 200-day avg by trend

When it happenedEvents1 day1 week1 month1 quarter
Medium trendAbove its 50-day avg now 2 -0.9%– vs +0.1% +2.0%– vs +0.4% +5.7%– vs +1.0% -3.3%– vs +6.4%
Below its 50-day avg 6 -0.2%L vs +0.3% -2.4%L vs +0.8% +7.7%L vs +3.6% +28.4%L vs +13.2%
Short trendAbove its 20-day avg now 3 -1.4%L vs +0.1% -2.4%L vs +0.4% +12.6%L vs +0.8% +20.5%L vs +5.9%
Below its 20-day avg 5 -0.2%L vs +0.2% -1.8%L vs +0.6% +4.3%L vs +2.9% +11.0%L vs +12.3%

The same event split by where MPWR 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 crosses below the 200-day average

EventEntry1 day1 week1 month1 quarter
Sep 1, 2026 Sep 1 @ $1,224.15 -3.3% on the day -0.5% -1.8% +11.2% …
May 19, 2025 May 19 @ $695.00 -1.8% on the day -0.3% -2.4% -1.3% +20.5%
Oct 31, 2024 Oct 31 @ $747.74 -17.4% on the day 0.0% +2.1% -23.6% -13.4%
Oct 17, 2023 Oct 17 @ $466.34 -1.4% on the day -3.3% -12.3% +14.9% +28.4%
Sep 15, 2023 Sep 15 @ $453.24 -3.1% on the day -0.2% -3.2% +4.3% +37.6%
May 5, 2023 May 5 @ $400.77 -10.4% on the day +1.8% -2.9% +20.9% +32.0%
Sep 1, 2022 Sep 1 @ $412.04 -6.1% on the day -0.2% +5.1% -11.2% -10.0%
Jul 22, 2022 Jul 22 @ $422.66 -4.3% on the day -1.4% +6.5% +12.6% -27.1%

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.