MPWRMonolithic Power Systems

$1,218.91
On our screens:R&D leaders

What is the market doing?

What the tape says about MPWR

Monolithic Power Systems is +48% over the past year while the S&P 500 is +20%: 28 points ahead of the market.

+48%

1-year return · S&P 500 +20%

vs 200-day average
−0.49%

vs 200-day average · below trend, but not far

RSI (14)
18

RSI (14) · oversold, sold harder than it has been bought

Below its 52-week high
28%

Below its 52-week high

2024-08-14$451.76 – $1,689.89 · dashed line: 200-day average2026-09-08
Details
Last close2026-09-08
$1,218.91
1 monthS&P 500 −0.30%
−10%
1 yearS&P 500 +20%
+48%
5 yearsS&P 500 +85%
+175%
vs 50-day average$1,374.02
−11%
52-week high
$1,689.89
52-week low
$816.28
Annualised volatility
58%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-06-30
−$324M
Calendar-year price return
YearReturn
2026 (year to date)+35%
2025+54%
2024−5.6%
2023+80%
2022−28%
2021+35%
2020+107%
2019+55%
2018+4.5%
2017+38%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+4.4%
Feb107 of 10+4.8%
Mar105 of 10+0.07%
Apr106 of 10+5.9%
May107 of 10+3.4%
Jun107 of 10+4.9%
Jul118 of 11+6.3%
Aug117 of 11+4.1%
Sep115 of 11−2.2%
Oct104 of 10+0.56%
Nov107 of 10+3.0%
Dec105 of 10+0.86%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.