AOSL vs. VTSAX
Compare and contrast key facts about Alpha and Omega Semiconductor Limited (AOSL) and Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX).
VTSAX is managed by Vanguard. It was launched on Nov 13, 2000.
Performance
AOSL vs. VTSAX - Performance Comparison
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AOSL vs. VTSAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AOSL Alpha and Omega Semiconductor Limited | 11.86% | -46.50% | 42.10% | -8.79% | -52.82% | 156.18% | 73.57% | 33.66% | -37.71% | -23.08% |
VTSAX Vanguard Total Stock Market Index Fund Admiral Shares | -6.75% | 17.12% | 23.23% | 26.51% | -19.52% | 25.72% | 20.98% | 30.79% | -5.18% | 21.16% |
Returns By Period
In the year-to-date period, AOSL achieves a 11.86% return, which is significantly higher than VTSAX's -6.75% return. Over the past 10 years, AOSL has underperformed VTSAX with an annualized return of 6.42%, while VTSAX has yielded a comparatively higher 13.27% annualized return.
AOSL
- 1D
- 6.39%
- 1M
- 5.47%
- YTD
- 11.86%
- 6M
- -20.74%
- 1Y
- -10.86%
- 3Y*
- -6.31%
- 5Y*
- -8.47%
- 10Y*
- 6.42%
VTSAX
- 1D
- -0.46%
- 1M
- -7.71%
- YTD
- -6.75%
- 6M
- -4.47%
- 1Y
- 14.76%
- 3Y*
- 16.69%
- 5Y*
- 10.11%
- 10Y*
- 13.27%
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Return for Risk
AOSL vs. VTSAX — Risk / Return Rank
AOSL
VTSAX
AOSL vs. VTSAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Alpha and Omega Semiconductor Limited (AOSL) and Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX). 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.
| AOSL | VTSAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.15 | 0.84 | -0.98 |
Sortino ratioReturn per unit of downside risk | 0.30 | 1.29 | -0.99 |
Omega ratioGain probability vs. loss probability | 1.04 | 1.20 | -0.15 |
Calmar ratioReturn relative to maximum drawdown | -0.33 | 1.05 | -1.38 |
Martin ratioReturn relative to average drawdown | -0.63 | 5.08 | -5.71 |
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
| AOSL | VTSAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.15 | 0.84 | -0.98 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.13 | 0.59 | -0.71 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.10 | 0.72 | -0.62 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.03 | 0.43 | -0.41 |
Correlation
The correlation between AOSL and VTSAX is 0.51, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
AOSL vs. VTSAX - Dividend Comparison
AOSL has not paid dividends to shareholders, while VTSAX's dividend yield for the trailing twelve months is around 1.20%.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AOSL Alpha and Omega Semiconductor Limited | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VTSAX Vanguard Total Stock Market Index Fund Admiral Shares | 1.20% | 1.11% | 1.26% | 1.42% | 1.65% | 1.20% | 1.41% | 1.76% | 2.03% | 1.71% | 1.92% | 1.98% |
Drawdowns
AOSL vs. VTSAX - Drawdown Comparison
The maximum AOSL drawdown since its inception was -75.27%, which is greater than VTSAX's maximum drawdown of -55.33%. Use the drawdown chart below to compare losses from any high point for AOSL and VTSAX.
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Drawdown Indicators
| AOSL | VTSAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -75.27% | -55.33% | -19.94% |
Max Drawdown (1Y)Largest decline over 1 year | -45.32% | -12.41% | -32.91% |
Max Drawdown (5Y)Largest decline over 5 years | -75.27% | -25.36% | -49.91% |
Max Drawdown (10Y)Largest decline over 10 years | -75.27% | -34.97% | -40.30% |
Current DrawdownCurrent decline from peak | -66.28% | -8.92% | -57.36% |
Average DrawdownAverage peak-to-trough decline | -43.26% | -9.06% | -34.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 23.71% | 2.56% | +21.15% |
Volatility
AOSL vs. VTSAX - Volatility Comparison
Alpha and Omega Semiconductor Limited (AOSL) has a higher volatility of 15.90% compared to Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX) at 4.39%. This indicates that AOSL's price experiences larger fluctuations and is considered to be riskier than VTSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AOSL | VTSAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.90% | 4.39% | +11.51% |
Volatility (6M)Calculated over the trailing 6-month period | 49.99% | 9.33% | +40.66% |
Volatility (1Y)Calculated over the trailing 1-year period | 73.13% | 18.42% | +54.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 66.58% | 17.32% | +49.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 61.47% | 18.37% | +43.10% |