$1,333.18−$82.81 (-5.85%)as of market close, Aug 18, 2026
☾ After hours:$1,339.00+0.44%7:59 PM ET
MPWR weekly returns
Monolithic Power Systems Inc. has averaged 0.64% per week, positive in 55% of weeks. Week-by-week returns for Monolithic Power Systems Inc. (MPWR) below, through August 17, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.
Average week
+0.6%
1135 weeks
Best week
+31.9%
Dec 12, 2008
Worst week
-26.5%
Nov 21, 2008
Positive weeks
55%
of all weeks
Monolithic Power Systems Inc. weekly returns#
| Week ending | Path | Total return |
|---|---|---|
| Aug 17, 2026 | +1.0% | |
| Aug 14, 2026 | +0.0% | |
| Aug 7, 2026 | -1.7% | |
| Jul 31, 2026 | +6.9% | |
| Jul 24, 2026 | +1.7% | |
| Jul 17, 2026 | -3.0% | |
| Jul 10, 2026 | +5.0% | |
| Jul 2, 2026 | -1.8% | |
| Jun 26, 2026 | -16.1% | |
| Jun 18, 2026 | -0.9% | |
| Jun 12, 2026 | +6.5% | |
| Jun 5, 2026 | -5.4% | |
| May 29, 2026 | -1.5% | |
| May 22, 2026 | +2.6% | |
| May 15, 2026 | -3.2% |
Weekly total return (since Aug 30, 2024)
-20%-10%+0%+10%+20%
20252026
Methodology#
Weekly returns are total returns (dividends reinvested), computed from MPWR's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum
FAQ#
- What is Monolithic Power Systems Inc.'s average weekly return?
- Monolithic Power Systems Inc. (MPWR) has averaged about 0.64% per week, positive in roughly 55% of weeks. The best week was Dec 12, 2008 (+31.9%) and the worst was Nov 21, 2008 (-26.5%).