MPWR monthly performance report
Explore MPWR's monthly returns, drawdown, and seasonality trends — updated every month.
MPWR monthly report
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Key takeaways
- Monolithic Power Systems (MPWR) closed September 2026 at $1,217.80, down 3.94% for the month and +32.69% over the trailing 12 months.
- Year-to-date, MPWR is +34.36%, outperforming the S&P 500 which has returned +11.70% YTD.
- The stock is trading −2.85% versus its 200-day moving average ($1,253.59), a cautious technical signal.
- Over the past three years, MPWR has outperformed the S&P 500 by +91.22%, with a relative strength index reading of 153.1.
- Win rate over the trailing 39 months stands at 51.3% — 20 positive months versus 19 negative months.
Monolithic Power Systems ended September 2026 at $1,217.80, posting a monthly return of −3.94%. The S&P 500 returned −0.70% over the same window, leaving relative performance at −3.24%.
The current quarter stands at −11.90% (Q3 2026 (QTD)), while medium-term trend remains soft: price is −2.85% versus the 200-day moving average ($1,253.59).
Year-to-date, MPWR is +34.36% against SPY +11.70%, a gap of +22.66%. The stock is currently −28.36% below its 52-week high, with maximum 3-year drawdown at −51.94%.
| Period | MPWR | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | +4.12% | −0.12% | +4.24% |
| 1 Week | −1.35% | −0.34% | −1.01% |
| 1 Month | −3.94% | −0.70% | −3.24% |
| 3 Months | −18.75% | +2.80% | −21.54% |
| 6 Months | +15.70% | +13.85% | +1.85% |
| YTD | +34.36% | +11.70% | +22.66% |
| 12 Months | +32.69% | +15.01% | +17.68% |
| 3 Years | +162.92% | +71.69% | +91.22% |
| Rank | Month | Return |
|---|---|---|
| #1 | Apr 2026 | +47.66% |
| #2 | Nov 2023 | +24.22% |
| #3 | Jan 2026 | +24.03% |
| #4 | Feb 2024 | +19.47% |
| #5 | Aug 2025 | +17.51% |
| Rank | Month | Return |
|---|---|---|
| #1 | Nov 2024 | −25.24% |
| #2 | Oct 2024 | −17.87% |
| #3 | Jun 2026 | −11.74% |
| #4 | Sep 2023 | −11.36% |
| #5 | Aug 2026 | −11.10% |
| Quarter | Return |
|---|---|
| Q2 2025 | +26.10% |
| Q3 2025 | +25.88% |
| Q4 2025 | −1.55% |
| Q1 2026 | +20.63% |
| Q2 2026 | +26.43% |
| Q3 2026 (QTD) | −11.90% |
| Year | Return |
|---|---|
| 2023 | +78.38% |
| 2024 | −6.20% |
| 2025 | +53.18% |
| 2026 | +34.36% |
| Metric | Value |
|---|---|
| 52-Week High | $1,700.00 (2026-05-27) |
| 52-Week Low | $830.00 (2025-09-12) |
| Current Price | $1,217.80 |
| 200-Day Moving Average | $1,253.59 |
| Price vs 200DMA | −2.85% |
| 3-Year Maximum Drawdown | −51.94% (2025-04-08) |
| Current Drawdown from 52W High | −28.36% |
| RS metric | Value |
|---|---|
| RS Index (3-year, rebased to 100) | 153.1 |
| 3-Year Excess Return vs S&P 500 | +91.22% |
| RS Peak | 218.9 (Apr 2026) |
| RS Trough | 87.8 (Apr 2025) |
| Status | Outperforming Benchmark |
Frequently asked questions
What was MPWR's return for this report period?
MPWR returned −3.94% in the latest monthly window ending 2026-09-18.
Has MPWR outperformed SPY year to date?
YTD MPWR: +34.36% vs SPY: +11.70%.
What is MPWR's 12-month return?
+32.69% over the trailing 12 months.
Is MPWR above or below its 200-day moving average?
Price is −2.85% versus 200DMA ($1,253.59).
What is the maximum drawdown in the 3-year window?
−51.94% on 2025-04-08.