MPWR

Monolithic Power Systems, Inc. $1234.46 1M -13.4% 3M -22.3% YTD +31.8% as of 2026-09-11

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Model view — historical tendencies for the days ahead, not a forecast

Next 1 day

+0.5%

Next 1 week

+0.8%

Next 1 month

+0.7%

Seasonality

Mildly positive window

Next 30 days (to Oct 13): +1.4% median, 52% of the last 21 years finished up.

20-year seasonality chart →

Mean reversion

Neutral — RSI(2) at 78

RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought. Its dip-buy edge in history is -0.15%/day.

Mean-reversion stats →

1-month breakdown — Market · β 2.50 +0.5% · Seasonal tilt +0.2%

$60.2B market cap (#355 US) $754M/day volume 53% volatility +44% 1-year -28% from ATH

52-week range · 46% of the way up · -28% from the high

$830.00$1714.09

Congressional trades in MPWR Full tracker →

6 members · 7 buys / 9 sells · $58K–$345K disclosed · latest filing Aug 5, 2026.

SELL	TT Thomas H Tuberville · traded May 3, 2024	$1K–$15K
SELL	BD Byron Donalds · traded Jun 5, 2026	$1K–$15K
BUY	MM Markwayne Mullin · traded Feb 4, 2026	$15K–$50K
BUY	MM Markwayne Mullin · traded Jan 5, 2026	$15K–$50K
BUY	MM Markwayne Mullin · traded Jan 5, 2026	$15K–$50K
BUY	MG Michael Patrick Guest · traded Oct 20, 2025	$1K–$15K
BUY	RB Rob Bresnahan · traded Apr 8, 2025	$1K–$15K
SELL	RB Rob Bresnahan · traded Jan 13, 2025	$1K–$15K