NASDAQ · MPWR

Monolithic Power Systems, Inc.

Technology · Semiconductors

$1,211.22

Down-$0.67 (-0.06%)

Updated Oct 29, 2026, 1:05 PM

SID Score

6.5/10

Composite research score

Smart Money

58/100

Neutral

Price performance · MPWR

MPWR price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 28, 2026

Daily close

View OHLC price history

MPWR OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 28, 2026	$1,224.14	$1,224.14	$1,188.925	$1,211.22	645.06K
Oct 27, 2026	$1,183.43	$1,220.77	$1,173.9501	$1,211.89	813.38K
Oct 26, 2026	$1,141.84	$1,178.3825	$1,135.18	$1,167.27	921.17K
Oct 23, 2026	$1,156.39	$1,169.06	$1,126.568	$1,140.12	669.69K
Oct 22, 2026	$1,227.18	$1,230.415	$1,147.17	$1,167.93	1.48M
Oct 21, 2026	$1,265.58	$1,288.265	$1,259.87	$1,283.32	610.89K
Oct 20, 2026	$1,232.85	$1,284.87	$1,222.2909	$1,248.74	509.75K
Oct 19, 2026	$1,255.41	$1,283.59	$1,236.255	$1,253.66	862.34K
Oct 16, 2026	$1,223.32	$1,249.00	$1,207.20	$1,210.86	835.01K
Oct 15, 2026	$1,198.15	$1,260.24	$1,195.00	$1,249.20	991.56K
Oct 14, 2026	$1,295.00	$1,300.76	$1,234.36	$1,243.11	1.12M
Oct 13, 2026	$1,294.29	$1,322.40	$1,283.81	$1,319.55	731.79K
Oct 12, 2026	$1,365.36	$1,365.36	$1,314.52	$1,319.23	870.27K
Oct 9, 2026	$1,396.53	$1,401.76	$1,351.26	$1,386.29	433.75K
Oct 8, 2026	$1,405.99	$1,416.62	$1,349.39	$1,369.80	848.19K
Oct 7, 2026	$1,447.64	$1,450.705	$1,412.68	$1,425.98	481.96K
Oct 6, 2026	$1,487.88	$1,491.64	$1,458.79	$1,473.69	375.08K
Oct 5, 2026	$1,444.412	$1,482.97	$1,432.38	$1,479.89	685.46K
Oct 2, 2026	$1,406.00	$1,455.99	$1,393.132	$1,439.73	705.81K
Oct 1, 2026	$1,359.98	$1,368.665	$1,331.00	$1,360.97	492.35K
Sep 30, 2026	$1,353.765	$1,361.44	$1,324.96	$1,347.22	465.26K