OOSAX vs. VOO
Compare and contrast key facts about Invesco Senior Floating Rate Fund (OOSAX) and Vanguard S&P 500 ETF (VOO).
OOSAX is managed by Invesco. It was launched on Sep 7, 1999. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010.
Performance
OOSAX vs. VOO - Performance Comparison
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OOSAX vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OOSAX Invesco Senior Floating Rate Fund | -2.34% | 3.78% | 7.76% | 10.67% | -0.94% | 8.66% | -4.46% | 2.36% | -0.86% | 3.79% |
VOO Vanguard S&P 500 ETF | -4.42% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Returns By Period
In the year-to-date period, OOSAX achieves a -2.34% return, which is significantly higher than VOO's -4.42% return. Over the past 10 years, OOSAX has underperformed VOO with an annualized return of 3.86%, while VOO has yielded a comparatively higher 14.05% annualized return.
OOSAX
- 1D
- 0.16%
- 1M
- -0.48%
- YTD
- -2.34%
- 6M
- -3.07%
- 1Y
- 1.39%
- 3Y*
- 5.79%
- 5Y*
- 4.91%
- 10Y*
- 3.86%
VOO
- 1D
- 2.86%
- 1M
- -5.01%
- YTD
- -4.42%
- 6M
- -1.84%
- 1Y
- 17.67%
- 3Y*
- 18.27%
- 5Y*
- 11.75%
- 10Y*
- 14.05%
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OOSAX vs. VOO - Expense Ratio Comparison
OOSAX has a 1.04% expense ratio, which is higher than VOO's 0.03% expense ratio.
Return for Risk
OOSAX vs. VOO — Risk / Return Rank
OOSAX
VOO
OOSAX vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco Senior Floating Rate Fund (OOSAX) and Vanguard S&P 500 ETF (VOO). 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.
| OOSAX | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.63 | 0.98 | -0.35 |
Sortino ratioReturn per unit of downside risk | 1.03 | 1.50 | -0.47 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.23 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 0.35 | 1.53 | -1.19 |
Martin ratioReturn relative to average drawdown | 0.89 | 7.29 | -6.40 |
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
| OOSAX | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.63 | 0.98 | -0.35 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.41 | 0.70 | +0.71 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.95 | 0.78 | +0.17 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.29 | 0.83 | +0.46 |
Correlation
The correlation between OOSAX and VOO is 0.22, 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
OOSAX vs. VOO - Dividend Comparison
OOSAX's dividend yield for the trailing twelve months is around 4.65%, more than VOO's 1.19% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OOSAX Invesco Senior Floating Rate Fund | 4.65% | 6.68% | 8.38% | 7.76% | 7.42% | 4.37% | 4.84% | 5.24% | 4.65% | 4.08% | 4.78% | 4.65% |
VOO Vanguard S&P 500 ETF | 1.19% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Drawdowns
OOSAX vs. VOO - Drawdown Comparison
The maximum OOSAX drawdown since its inception was -32.12%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for OOSAX and VOO.
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Drawdown Indicators
| OOSAX | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -32.12% | -33.99% | +1.87% |
Max Drawdown (1Y)Largest decline over 1 year | -3.23% | -11.98% | +8.75% |
Max Drawdown (5Y)Largest decline over 5 years | -6.52% | -24.52% | +18.00% |
Max Drawdown (10Y)Largest decline over 10 years | -23.53% | -33.99% | +10.46% |
Current DrawdownCurrent decline from peak | -3.07% | -6.29% | +3.22% |
Average DrawdownAverage peak-to-trough decline | -2.15% | -3.72% | +1.57% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.24% | 2.52% | -1.28% |
Volatility
OOSAX vs. VOO - Volatility Comparison
The current volatility for Invesco Senior Floating Rate Fund (OOSAX) is 0.70%, while Vanguard S&P 500 ETF (VOO) has a volatility of 5.29%. This indicates that OOSAX experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OOSAX | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.70% | 5.29% | -4.59% |
Volatility (6M)Calculated over the trailing 6-month period | 1.89% | 9.44% | -7.55% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.45% | 18.10% | -14.65% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.56% | 16.82% | -13.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.12% | 17.99% | -13.87% |