MPWR
Monolithic Power Systems Inc. Technology - Semiconductors Investor Relations →
Monolithic Power Systems Inc. (MPWR) closed at $1229.82 as of 2026-02-02, trading 98.4% above its 200-week moving average of $619.91. The stock moved further from the line this week, up from 82.6% last week. With a 14-week RSI of 70, MPWR is in overbought territory.
Over the past 1059 weeks of data, MPWR has crossed below its 200-week moving average 6 times. On average, these episodes lasted 22 weeks. Historically, investors who bought MPWR at the start of these episodes saw an average one-year return of +42.0%.
With a market cap of $59.9 billion, MPWR is a large-cap stock. Return on equity stands at 17.9%, a solid level. The stock trades at 16.1x book value.
Share count has increased 3.4% over three years, indicating dilution.
Over the past 20.4 years, a hypothetical investment of $100 in MPWR would have grown to $11188, compared to $837 for the S&P 500. That represents an annualized return of 26.0% vs 11.0% for the index — confirming MPWR as a market-beating investment and the kind of quality company where buying during 200-week moving average touches has historically been rewarded.
Free cash flow has been growing at a 41.9% compound annual rate, with 4 consecutive years of positive cash generation.
Growth of $100: MPWR vs S&P 500
Monthly data normalized to $100 at start. Vertical dashed lines mark 200-week MA touches.
What Happens After MPWR Crosses Below the Line?
Across 6 historical episodes, buying MPWR when it crossed below its 200-week moving average produced an average return of +42.4% after 12 months (median +18.0%), compared to +18.0% for the S&P 500 over the same periods. 60% of those episodes were profitable after one year. After 24 months, the average return was +51.8% vs +14.2% for the index.
Each line shows $100 invested at the moment MPWR crossed below its 200-week MA. Bold blue = stock average. Gray dashed = S&P 500 average over same periods.
Historical Touches
MPWR has crossed below its 200-week MA 6 times with an average 1-year return of +42.0% after recovery.
| Crossed Below | Recovered | Weeks | Max Depth | 1-Year Return | Return Since Touch |
|---|---|---|---|---|---|
| Jul 2006 | Oct 2006 | 14 | 28.7% | +64.5% | +13237.9% |
| Oct 2006 | Jan 2007 | 10 | 11.4% | +116.6% | +14293.7% |
| Oct 2008 | Mar 2009 | 23 | 48.0% | +64.3% | +10790.8% |
| Jun 2010 | Jul 2010 | 1 | 3.3% | -12.0% | +8075.8% |
| Jul 2010 | Feb 2012 | 81 | 44.0% | -23.4% | +8052.6% |
| Mar 2025 | Apr 2025 | 3 | 11.2% | N/A | +159.8% |
| Average | 22 | — | +42.0% | — |
Not financial advice. This is an educational tool. Past performance does not guarantee future results. Do your own research before making investment decisions.
Data as of Friday close, 2026-02-02