MPWRMonolithic Power Systems
What is the market doing?
No clear lean: nothing decisive, though in an uptrend.
In an uptrend, above its rising 50- and 200-day averages. Price is +9% vs its 200-day average.
Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).
Moderately shorted, settled Sep 15, 2026, about a week of normal trading to cover. Down 4.6% since the previous count, down from 4.8% of shares outstanding three months ago.
Against the whole market›
Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How MPWR is trading
Monolithic Power Systems is +52% over the past year while the S&P 500 is +18%: 34 points ahead of the market.
1-year return · S&P 500 +18%
- vs 200-day average
- +9.3%
vs 200-day average · close to trend
- RSI (14)
- 62
RSI (14) · neutral
- Below its 52-week high
- 18%
Below its 52-week high
Details›
- Last close2026-10-09
- $1,385.63
- 1 monthS&P 500 +2.7%
- +17%
- 1 yearS&P 500 +18%
- +52%
- 5 yearsS&P 500 +88%
- +193%
- vs 50-day average$1,314.63
- +5.4%
- 52-week high
- $1,689.89
- 52-week low
- $853.81
- Annualised volatility
- 57%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- −$154M
| Year | Return |
|---|---|
| 2026 (year to date) | +53% |
| 2025 | +54% |
| 2024 | −5.6% |
| 2023 | +80% |
| 2022 | −28% |
| 2021 | +35% |
| 2020 | +107% |
| 2019 | +55% |
| 2018 | +4.5% |
| 2017 | +38% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 6 of 10 | +4.4% |
| Feb | 10 | 7 of 10 | +4.8% |
| Mar | 10 | 5 of 10 | +0.07% |
| Apr | 10 | 6 of 10 | +5.9% |
| May | 10 | 7 of 10 | +3.4% |
| Jun | 10 | 7 of 10 | +4.9% |
| Jul | 11 | 8 of 11 | +6.3% |
| Aug | 11 | 7 of 11 | +4.1% |
| Sep | 11 | 6 of 11 | −1.3% |
| Oct | 11 | 5 of 11 | +0.79% |
| Nov | 10 | 7 of 10 | +3.0% |
| Dec | 10 | 5 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.
Semiconductors
The closest names by size in the same industry