MPWR
$1,210.86-3.07%
as of close, Oct 16, 2026
☾ AH $1,210.86 -3.07%
Monolithic Power Systems Inc.Stock · TechnologyNasdaq-100 0.3%S&P 500 Equal Weight 0.2%Nasdaq Composite 0.2%S&P 500 0.1%Russell 1000 0.09%Russell 3000 0.09%US Stock Market 0.09%MSCI World 0.08%MSCI ACWI 0.07%
Monolithic Power Systems Inc. monthly returns
Monolithic Power Systems Inc. has averaged 2.62% per month, positive in 60% of months. Month-by-month returns for Monolithic Power Systems Inc. (MPWR) below, through October 16, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+2.6%
262 months
Best month
+51.1%
Oct 2005
Worst month
-43.7%
Nov 2008
Positive months
60%
of all months
Monolithic Power Systems Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | -10.1% | |
| Sep 2026 | +6.4% | |
| Aug 2026 | -11.1% | |
| Jul 2026 | +4.4% | |
| Jun 2026 | -12.6% | |
| May 2026 | -3.0% | |
| Apr 2026 | +47.7% | |
| Mar 2026 | -4.1% | |
| Feb 2026 | +1.7% | |
| Jan 2026 | +24.0% | |
| Dec 2025 | -2.2% | |
| Nov 2025 | -7.6% | |
| Oct 2025 | +9.2% | |
| Sep 2025 | +10.4% | |
| Aug 2025 | +17.5% | |
| Jul 2025 | -2.8% | |
| Jun 2025 | +10.7% | |
| May 2025 | +11.6% | |
| Apr 2025 | +2.3% | |
| Mar 2025 | -4.8% | |
| Feb 2025 | -4.1% | |
| Jan 2025 | +7.7% | |
| Dec 2024 | +4.5% | |
| Nov 2024 | -25.2% | |
| Oct 2024 | -17.9% | |
| Sep 2024 | -1.0% | |
| Aug 2024 | +8.3% | |
| Jul 2024 | +5.0% | |
| Jun 2024 | +11.9% | |
| May 2024 | +9.9% | |
| Apr 2024 | -1.2% | |
| Mar 2024 | -5.7% | |
| Feb 2024 | +19.5% | |
| Jan 2024 | -4.4% | |
| Dec 2023 | +15.1% | |
| Nov 2023 | +24.2% | |
| Oct 2023 | -4.4% | |
| Sep 2023 | -11.2% | |
| Aug 2023 | -6.8% | |
| Jul 2023 | +3.6% | |
| Jun 2023 | +10.5% | |
| May 2023 | +6.0% | |
| Apr 2023 | -7.7% | |
| Mar 2023 | +3.6% | |
| Feb 2023 | +13.5% | |
| Jan 2023 | +20.6% | |
| Dec 2022 | -7.2% | |
| Nov 2022 | +12.5% | |
| Oct 2022 | -6.6% | |
| Sep 2022 | -19.7% | |
| Aug 2022 | -2.5% | |
| Jul 2022 | +21.0% | |
| Jun 2022 | -14.6% | |
| May 2022 | +14.8% | |
| Apr 2022 | -19.2% | |
| Mar 2022 | +6.0% | |
| Feb 2022 | +13.8% | |
| Jan 2022 | -18.3% | |
| Dec 2021 | -10.8% | |
| Nov 2021 | +5.3% | |
| Oct 2021 | +8.4% | |
| Sep 2021 | -2.0% | |
| Aug 2021 | +10.2% | |
| Jul 2021 | +20.3% | |
| Jun 2021 | +9.0% | |
| May 2021 | -5.1% | |
| Apr 2021 | +2.3% | |
| Mar 2021 | -5.5% | |
| Feb 2021 | +5.4% | |
| Jan 2021 | -3.0% | |
| Dec 2020 | +14.6% | |
| Nov 2020 | +0.1% | |
| Oct 2020 | +14.3% | |
| Sep 2020 | +4.9% | |
| Aug 2020 | +0.8% | |
| Jul 2020 | +11.8% | |
| Jun 2020 | +13.2% | |
| May 2020 | +4.9% | |
| Apr 2020 | +19.4% | |
| Mar 2020 | +5.9% | |
| Feb 2020 | -7.3% | |
| Jan 2020 | -3.8% | |
| Dec 2019 | +11.0% | |
| Nov 2019 | +7.2% | |
| Oct 2019 | -3.7% | |
| Sep 2019 | +3.6% | |
| Aug 2019 | +1.6% | |
| Jul 2019 | +9.1% | |
| Jun 2019 | +17.0% | |
| May 2019 | -25.2% | |
| Apr 2019 | +14.9% | |
| Mar 2019 | +1.3% | |
| Feb 2019 | +6.0% | |
| Jan 2019 | +8.9% | |
| Dec 2018 | -11.7% | |
| Nov 2018 | +11.8% | |
| Oct 2018 | -5.9% | |
| Sep 2018 | -16.0% | |
| Aug 2018 | +13.0% | |
| Jul 2018 | -0.7% | |
| Jun 2018 | +1.6% | |
| May 2018 | +12.6% | |
| Apr 2018 | +1.1% | |
| Mar 2018 | -0.8% | |
| Feb 2018 | -1.7% | |
| Jan 2018 | +6.0% | |
| Dec 2017 | -4.9% | |
| Nov 2017 | -2.7% | |
| Oct 2017 | +14.2% | |
| Sep 2017 | +5.4% | |
| Aug 2017 | -1.0% | |
| Jul 2017 | +6.1% | |
| Jun 2017 | -1.6% | |
| May 2017 | +7.3% | |
| Apr 2017 | -0.7% | |
| Mar 2017 | +4.9% | |
| Feb 2017 | +0.8% | |
| Jan 2017 | +6.5% | |
| Dec 2016 | +0.1% | |
| Nov 2016 | +4.1% |
Monthly total return (since Nov 2021)#
-40%-20%0%20%40%
Nov 2021+5.3%
Dec 2021-11%
Jan 2022-18%2022
Feb 2022+14%
Mar 2022+6.0%
Apr 2022-19%
May 2022+15%
Jun 2022-15%
Jul 2022+21%
Aug 2022-2.5%
Sep 2022-20%
Oct 2022-6.6%
Nov 2022+13%
Dec 2022-7.2%
Jan 2023+21%2023
Feb 2023+14%
Mar 2023+3.6%
Apr 2023-7.7%
May 2023+6.0%
Jun 2023+10%
Jul 2023+3.6%
Aug 2023-6.8%
Sep 2023-11%
Oct 2023-4.4%
Nov 2023+24%
Dec 2023+15%
Jan 2024-4.4%2024
Feb 2024+19%
Mar 2024-5.7%
Apr 2024-1.2%
May 2024+9.9%
Jun 2024+12%
Jul 2024+5.0%
Aug 2024+8.3%
Sep 2024-0.96%
Oct 2024-18%
Nov 2024-25%
Dec 2024+4.5%
Jan 2025+7.7%2025
Feb 2025-4.1%
Mar 2025-4.8%
Apr 2025+2.3%
May 2025+12%
Jun 2025+11%
Jul 2025-2.8%
Aug 2025+18%
Sep 2025+10%
Oct 2025+9.2%
Nov 2025-7.6%
Dec 2025-2.2%
Jan 2026+24%2026
Feb 2026+1.7%
Mar 2026-4.1%
Apr 2026+48%
May 2026-3.0%
Jun 2026-13%
Jul 2026+4.4%
Aug 2026-11%
Sep 2026+6.4%
Oct 2026-10%
Monolithic Power Systems Inc. returns by calendar month#
Every month of every year since 2005, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: -10.12% — 19th of 22 Octobers since 2005 at the last close; the average October returned +3.8%.
| Month | −55%0+55% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | -0.2% | -2.4% | 45% | +24.0% 2026 | -27.2% 2008 | |
| Feb | +3.9% | +5.4% | 68% | +19.5% 2024 | -13.4% 2005 | |
| Mar | +4.5% | +4.2% | 68% | +38.2% 2005 | -8.2% 2011 | |
| Apr | +5.9% | +1.7% | 55% | +47.7% 2026 | -19.2% 2022 | |
| May | +1.9% | +5.6% | 68% | +24.0% 2007 | -25.2% 2019 | |
| Jun | +1.5% | +2.4% | 59% | +19.7% 2005 | -19.2% 2006 | |
| Jul | +2.5% | +2.5% | 59% | +21.0% 2022 | -20.0% 2006 | |
| Aug | +3.6% | +1.6% | 59% | +22.5% 2007 | -12.0% 2005 | |
| Sep | -1.6% | +1.6% | 50% | +24.0% 2007 | -28.6% 2008 | |
| Oct | +3.8% | -1.6% | 48% | +51.1% 2005 | -17.9% 2024 | |
| Nov | +0.9% | +4.9% | 71% | +24.2% 2023 | -43.7% 2008 | |
| Dec | +5.5% | +4.3% | 71% | +31.8% 2008 | -11.7% 2018 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from MPWR's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is Monolithic Power Systems Inc.'s average monthly return?
- Monolithic Power Systems Inc. (MPWR) has averaged about 2.62% per month, positive in roughly 60% of months. The best month was Oct 2005 (+51.1%) and the worst was Nov 2008 (-43.7%).
More on Monolithic Power Systems Inc.
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