MPWR vs. AMSC
MPWR (Monolithic Power Systems, Inc.) and AMSC (American Superconductor Corporation) are both stocks. MPWR operates in Semiconductors (Technology), while AMSC operates in Specialty Industrial Machinery (Industrials). Over the past 10 years, MPWR returned 36.06%/yr vs 12.68%/yr for AMSC. Their 0.35 correlation means their historical movements had little consistent relationship.
Performance
MPWR vs. AMSC - Performance Comparison
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Returns By Period
In the year-to-date period, MPWR achieves a 57.89% return, which is significantly higher than AMSC's 2.05% return. Over the past 10 years, MPWR has outperformed AMSC with an annualized return of 36.06%, while AMSC has yielded a comparatively lower 12.68% annualized return.
MPWR
- 1D
- 8.35%
- 1M
- 7.08%
- 6M
- 27.30%
- YTD
- 57.89%
- 1Y
- 101.90%
- 3Y*
- 38.39%
- 5Y*
- 26.91%
- 10Y*
- 36.06%
- ALL TIME*
- 27.19%
AMSC
- 1D
- -0.27%
- 1M
- -26.43%
- 6M
- -1.84%
- YTD
- 2.05%
- 1Y
- -48.34%
- 3Y*
- 22.11%
- 5Y*
- 15.89%
- 10Y*
- 12.68%
- ALL TIME*
- -3.05%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $27.27M | $25.36M | $48.11M | |
| $1.37B | $1.27B | $1.35B |
MPWR vs. AMSC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MPWR Monolithic Power Systems, Inc. | 57.89% | 54.45% | -5.55% | 79.78% | -27.78% | 35.49% | 107.49% | 54.80% | 4.49% | 38.23% |
AMSC American Superconductor Corporation | 2.05% | 16.85% | 121.10% | 202.72% | -66.18% | -53.54% | 198.34% | -29.60% | 207.16% | -50.75% |
Correlation
The correlation between MPWR and AMSC is 0.56, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.56 |
Correlation (3Y) Balances recent behavior with more history. | 0.47 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.45 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.39 |
Correlation (All Time) Calculated using the full available price history since Nov 19, 2004 | 0.35 |
Over the past year, MPWR and AMSC have become more correlated (0.56) than their long-term average of 0.35, meaning their price movements have been converging.
Fundamentals
MPWR:
$70.06B
AMSC:
$1.42B
MPWR:
$16.33
AMSC:
$2.95
MPWR:
87.33
AMSC:
9.94
MPWR:
1.10
AMSC:
0.02
MPWR:
21.32
AMSC:
4.45
MPWR:
18.03
AMSC:
2.47
MPWR:
$3.27B
AMSC:
$299.15M
MPWR:
$1.81B
AMSC:
$91.38M
MPWR:
$1.01B
AMSC:
$19.29M
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Return for Risk
MPWR vs. AMSC — Risk / Return Rank
MPWR
AMSC
MPWR vs. AMSC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Monolithic Power Systems, Inc. (MPWR) and American Superconductor Corporation (AMSC). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| MPWR | AMSC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.49 | ||
| Sortino ratioReturn per unit of downside risk | +2.90 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 0.94 | +0.36 |
| Calmar ratioReturn relative to maximum drawdown | 3.94 | -0.79 | +4.74 |
| Martin ratioReturn relative to average drawdown | 9.44 | -1.21 | +10.65 |
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Drawdowns
MPWR vs. AMSC - Drawdown Comparison
The maximum MPWR drawdown since its inception was -72.27%, smaller than the maximum AMSC drawdown of -99.57%. Use the drawdown chart below to compare losses from any high point for MPWR and AMSC.
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Drawdown Indicators
| MPWR | AMSC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -72.27% | -99.57% | +27.30% |
Max Drawdown (1Y)Largest decline over 1 year | -25.99% | -61.08% | +35.09% |
Max Drawdown (3Y)Largest decline over 3 years | -51.65% | -61.08% | +9.43% |
Max Drawdown (5Y)Largest decline over 5 years | -51.65% | -82.94% | +31.29% |
Max Drawdown (10Y)Largest decline over 10 years | -51.65% | -89.06% | +37.41% |
Current DrawdownCurrent decline from peak | -15.49% | -95.76% | +80.27% |
Average DrawdownAverage peak-to-trough decline | -17.71% | -75.83% | +58.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.83% | 40.10% | -29.27% |
Volatility
MPWR vs. AMSC - Volatility Comparison
The current volatility for Monolithic Power Systems, Inc. (MPWR) is 18.57%, while American Superconductor Corporation (AMSC) has a volatility of 22.38%. This indicates that MPWR experiences smaller price fluctuations and is considered to be less risky than AMSC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MPWR | AMSC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 18.57% | 22.38% | -3.81% |
Volatility (6M)Calculated over the trailing 6-month period | 44.07% | 57.61% | -13.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 54.05% | 87.44% | -33.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 54.63% | 87.66% | -33.03% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 47.86% | 79.49% | -31.63% |
Dividends
MPWR vs. AMSC - Dividend Comparison
MPWR's dividend yield for the trailing twelve months is around 0.50%, while AMSC has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMSC American Superconductor Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
MPWR Monolithic Power Systems, Inc. | 0.50% | 0.69% | 0.85% | 0.63% | 0.85% | 0.49% | 0.55% | 0.90% | 1.03% | 0.71% | 0.98% | 1.26% |
Financials
MPWR vs. AMSC - Financials Comparison
This section allows you to compare key financial metrics between Monolithic Power Systems, Inc. and American Superconductor Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
MPWR vs. AMSC - Profitability Comparison
MPWR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Monolithic Power Systems, Inc. reported a gross profit of 541.07M and revenue of 980.64M. Therefore, the gross margin over that period was 55.2%.
AMSC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, American Superconductor Corporation reported a gross profit of 23.60M and revenue of 86.41M. Therefore, the gross margin over that period was 27.3%.
MPWR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Monolithic Power Systems, Inc. reported an operating income of 303.89M and revenue of 980.64M, resulting in an operating margin of 31.0%.
AMSC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, American Superconductor Corporation reported an operating income of -522.00K and revenue of 86.41M, resulting in an operating margin of -0.6%.
MPWR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Monolithic Power Systems, Inc. reported a net income of 257.30M and revenue of 980.64M, resulting in a net margin of 26.2%.
AMSC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, American Superconductor Corporation reported a net income of 4.53M and revenue of 86.41M, resulting in a net margin of 5.2%.
Frequently Asked Questions
MPWR and AMSC have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AMSC has higher volatility (22.38%) compared to MPWR (18.57%). In terms of maximum drawdown, MPWR dropped -72.27% vs AMSC's -99.57%.
MPWR currently has the higher Sharpe Ratio (1.90 vs -0.59), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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