POWI vs. SIMO
Compare and contrast key facts about Power Integrations, Inc. (POWI) and Silicon Motion Technology Corporation (SIMO).
Performance
POWI vs. SIMO - Performance Comparison
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POWI vs. SIMO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
POWI Power Integrations, Inc. | 44.71% | -41.33% | -23.97% | 15.56% | -22.09% | 14.12% | 66.77% | 63.64% | -16.32% | 9.26% |
SIMO Silicon Motion Technology Corporation | 21.60% | 76.91% | -8.94% | -4.91% | -30.38% | 101.83% | -1.81% | 51.81% | -33.11% | 27.14% |
Fundamentals
POWI:
$0.39
SIMO:
$21.91
POWI:
129.68
SIMO:
5.12
POWI:
6.46
SIMO:
0.71
POWI:
$443.50M
SIMO:
$885.63M
POWI:
$241.65M
SIMO:
$427.51M
POWI:
$34.16M
SIMO:
$123.21M
Returns By Period
In the year-to-date period, POWI achieves a 44.71% return, which is significantly higher than SIMO's 21.60% return. Over the past 10 years, POWI has underperformed SIMO with an annualized return of 8.51%, while SIMO has yielded a comparatively higher 14.06% annualized return.
POWI
- 1D
- 6.93%
- 1M
- 6.84%
- YTD
- 44.71%
- 6M
- 28.70%
- 1Y
- 3.37%
- 3Y*
- -14.24%
- 5Y*
- -8.69%
- 10Y*
- 8.51%
SIMO
- 1D
- 6.49%
- 1M
- -13.11%
- YTD
- 21.60%
- 6M
- 19.58%
- 1Y
- 127.84%
- 3Y*
- 22.70%
- 5Y*
- 14.57%
- 10Y*
- 14.06%
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Return for Risk
POWI vs. SIMO — Risk / Return Rank
POWI
SIMO
POWI vs. SIMO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Power Integrations, Inc. (POWI) and Silicon Motion Technology Corporation (SIMO). 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.
| POWI | SIMO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.06 | 2.45 | -2.39 |
Sortino ratioReturn per unit of downside risk | 0.53 | 2.83 | -2.30 |
Omega ratioGain probability vs. loss probability | 1.06 | 1.39 | -0.32 |
Calmar ratioReturn relative to maximum drawdown | 0.05 | 4.84 | -4.79 |
Martin ratioReturn relative to average drawdown | 0.10 | 13.26 | -13.16 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| POWI | SIMO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.06 | 2.45 | -2.39 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.20 | 0.33 | -0.53 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.21 | 0.34 | -0.13 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.23 | 0.26 | -0.03 |
Correlation
The correlation between POWI and SIMO is 0.38, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
POWI vs. SIMO - Dividend Comparison
POWI's dividend yield for the trailing twelve months is around 1.65%, less than SIMO's 1.78% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
POWI Power Integrations, Inc. | 1.65% | 2.36% | 1.31% | 0.94% | 1.00% | 0.58% | 0.51% | 0.71% | 1.05% | 0.76% | 0.77% | 0.99% |
SIMO Silicon Motion Technology Corporation | 1.78% | 2.16% | 3.70% | 0.82% | 2.31% | 1.62% | 2.89% | 2.45% | 3.45% | 1.68% | 1.51% | 1.88% |
Drawdowns
POWI vs. SIMO - Drawdown Comparison
The maximum POWI drawdown since its inception was -85.76%, smaller than the maximum SIMO drawdown of -93.19%. Use the drawdown chart below to compare losses from any high point for POWI and SIMO.
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Drawdown Indicators
| POWI | SIMO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -85.76% | -93.19% | +7.43% |
Max Drawdown (1Y)Largest decline over 1 year | -47.83% | -26.26% | -21.57% |
Max Drawdown (5Y)Largest decline over 5 years | -70.68% | -56.49% | -14.19% |
Max Drawdown (10Y)Largest decline over 10 years | -70.68% | -56.49% | -14.19% |
Current DrawdownCurrent decline from peak | -50.92% | -21.48% | -29.44% |
Average DrawdownAverage peak-to-trough decline | -38.68% | -32.63% | -6.05% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 24.35% | 9.59% | +14.76% |
Volatility
POWI vs. SIMO - Volatility Comparison
Power Integrations, Inc. (POWI) and Silicon Motion Technology Corporation (SIMO) have volatilities of 15.66% and 15.94%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| POWI | SIMO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.66% | 15.94% | -0.28% |
Volatility (6M)Calculated over the trailing 6-month period | 39.92% | 39.62% | +0.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 54.88% | 52.50% | +2.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 42.68% | 44.79% | -2.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 40.62% | 42.05% | -1.43% |
Financials
POWI vs. SIMO - Financials Comparison
This section allows you to compare key financial metrics between Power Integrations, Inc. and Silicon Motion Technology 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
POWI vs. SIMO - Profitability Comparison
POWI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Power Integrations, Inc. reported a gross profit of 54.61M and revenue of 103.20M. Therefore, the gross margin over that period was 52.9%.
SIMO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Silicon Motion Technology Corporation reported a gross profit of 136.77M and revenue of 278.46M. Therefore, the gross margin over that period was 49.1%.
POWI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Power Integrations, Inc. reported an operating income of -5.51M and revenue of 103.20M, resulting in an operating margin of -5.3%.
SIMO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Silicon Motion Technology Corporation reported an operating income of 31.71M and revenue of 278.46M, resulting in an operating margin of 11.4%.
POWI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Power Integrations, Inc. reported a net income of 13.29M and revenue of 103.20M, resulting in a net margin of 12.9%.
SIMO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Silicon Motion Technology Corporation reported a net income of 47.75M and revenue of 278.46M, resulting in a net margin of 17.2%.