APH vs. MPWR
APH (Amphenol Corporation) and MPWR (Monolithic Power Systems, Inc.) are both stocks. Both are in the Technology sector — APH in Electronic Components, MPWR in Semiconductors. Over the past 10 years, APH returned 28.28%/yr vs 36.06%/yr for MPWR. Their 0.53 correlation means they have sometimes moved together and sometimes differently.
Performance
APH vs. MPWR - Performance Comparison
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Returns By Period
In the year-to-date period, APH achieves a 19.33% return, which is significantly lower than MPWR's 57.89% return. Over the past 10 years, APH has underperformed MPWR with an annualized return of 28.28%, while MPWR has yielded a comparatively higher 36.06% annualized return.
APH
- 1D
- 0.55%
- 1M
- -6.69%
- 6M
- 11.92%
- YTD
- 19.33%
- 1Y
- 51.91%
- 3Y*
- 54.89%
- 5Y*
- 35.99%
- 10Y*
- 28.28%
- ALL TIME*
- 22.91%
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%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.19B | $1.10B | $1.42B | |
| $1.37B | $1.27B | $1.35B |
APH vs. MPWR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
APH Amphenol Corporation | 19.33% | 96.08% | 41.30% | 31.85% | -11.96% | 35.25% | 22.09% | 34.91% | -6.82% | 31.81% |
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% |
Correlation
The correlation between APH and MPWR is 0.51, 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. | 0.51 |
Correlation (3Y) Balances recent behavior with more history. | 0.57 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.62 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.60 |
Correlation (All Time) Calculated using the full available price history since Nov 19, 2004 | 0.53 |
The correlation between APH and MPWR shifts across timeframes, from 0.51 (1 year) to 0.62 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
APH:
$197.70B
MPWR:
$70.06B
APH:
$4.00
MPWR:
$16.33
APH:
40.15
MPWR:
87.33
APH:
1.34
MPWR:
1.10
APH:
7.13
MPWR:
21.32
APH:
13.38
MPWR:
18.03
APH:
$29.01B
MPWR:
$3.27B
APH:
$11.17B
MPWR:
$1.81B
APH:
$9.37B
MPWR:
$1.01B
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Return for Risk
APH vs. MPWR — Risk / Return Rank
APH
MPWR
APH vs. MPWR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amphenol Corporation (APH) and Monolithic Power Systems, Inc. (MPWR). 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.
| APH | MPWR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.72 | ||
| Sortino ratioReturn per unit of downside risk | -0.76 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.30 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 1.85 | 3.94 | -2.09 |
| Martin ratioReturn relative to average drawdown | 4.55 | 9.44 | -4.89 |
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Drawdowns
APH vs. MPWR - Drawdown Comparison
The maximum APH drawdown since its inception was -63.41%, smaller than the maximum MPWR drawdown of -72.27%. Use the drawdown chart below to compare losses from any high point for APH and MPWR.
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Drawdown Indicators
| APH | MPWR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -63.41% | -72.27% | +8.86% |
Max Drawdown (1Y)Largest decline over 1 year | -28.19% | -25.99% | -2.20% |
Max Drawdown (3Y)Largest decline over 3 years | -28.19% | -51.65% | +23.46% |
Max Drawdown (5Y)Largest decline over 5 years | -28.73% | -51.65% | +22.92% |
Max Drawdown (10Y)Largest decline over 10 years | -37.56% | -51.65% | +14.09% |
Current DrawdownCurrent decline from peak | -8.86% | -15.49% | +6.63% |
Average DrawdownAverage peak-to-trough decline | -13.54% | -17.71% | +4.17% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.44% | 10.83% | +0.61% |
Volatility
APH vs. MPWR - Volatility Comparison
The current volatility for Amphenol Corporation (APH) is 13.69%, while Monolithic Power Systems, Inc. (MPWR) has a volatility of 18.57%. This indicates that APH experiences smaller price fluctuations and is considered to be less risky than MPWR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| APH | MPWR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.69% | 18.57% | -4.88% |
Volatility (6M)Calculated over the trailing 6-month period | 35.63% | 44.07% | -8.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 44.23% | 54.05% | -9.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 31.52% | 54.63% | -23.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 28.33% | 47.86% | -19.53% |
Dividends
APH vs. MPWR - Dividend Comparison
APH's dividend yield for the trailing twelve months is around 0.57%, more than MPWR's 0.50% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
APH Amphenol Corporation | 0.57% | 0.55% | 0.79% | 1.07% | 1.06% | 0.89% | 0.80% | 0.89% | 1.09% | 0.80% | 0.86% | 1.01% |
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
APH vs. MPWR - Financials Comparison
This section allows you to compare key financial metrics between Amphenol Corporation and Monolithic Power Systems, Inc.. 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
APH vs. MPWR - Profitability Comparison
APH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Amphenol Corporation reported a gross profit of 3.55B and revenue of 8.76B. Therefore, the gross margin over that period was 40.5%.
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%.
APH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Amphenol Corporation reported an operating income of 2.58B and revenue of 8.76B, resulting in an operating margin of 29.5%.
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%.
APH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Amphenol Corporation reported a net income of 1.77B and revenue of 8.76B, resulting in a net margin of 20.2%.
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%.
Frequently Asked Questions
APH and MPWR have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MPWR has higher volatility (18.57%) compared to APH (13.69%). In terms of maximum drawdown, APH dropped -63.41% vs MPWR's -72.27%.
MPWR currently has the higher Sharpe Ratio (1.90 vs 1.18), 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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