OIIEX vs. VOO
Compare and contrast key facts about Optimum International Fund (OIIEX) and Vanguard S&P 500 ETF (VOO).
OIIEX is managed by Delaware Funds. It was launched on Aug 1, 2003. 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
OIIEX vs. VOO - Performance Comparison
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OIIEX vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OIIEX Optimum International Fund | -3.43% | 25.99% | 8.41% | 17.37% | -23.04% | 8.52% | 12.57% | 19.60% | -13.98% | 30.46% |
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, OIIEX achieves a -3.43% return, which is significantly higher than VOO's -4.42% return. Over the past 10 years, OIIEX has underperformed VOO with an annualized return of 7.51%, while VOO has yielded a comparatively higher 14.05% annualized return.
OIIEX
- 1D
- 0.46%
- 1M
- -11.52%
- YTD
- -3.43%
- 6M
- -0.27%
- 1Y
- 16.97%
- 3Y*
- 12.39%
- 5Y*
- 4.08%
- 10Y*
- 7.51%
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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OIIEX vs. VOO - Expense Ratio Comparison
OIIEX has a 1.04% expense ratio, which is higher than VOO's 0.03% expense ratio.
Return for Risk
OIIEX vs. VOO — Risk / Return Rank
OIIEX
VOO
OIIEX vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Optimum International Fund (OIIEX) 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.
| OIIEX | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.91 | 0.98 | -0.07 |
Sortino ratioReturn per unit of downside risk | 1.29 | 1.50 | -0.21 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.23 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.13 | 1.53 | -0.41 |
Martin ratioReturn relative to average drawdown | 4.35 | 7.29 | -2.94 |
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
| OIIEX | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.91 | 0.98 | -0.07 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.25 | 0.70 | -0.45 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.78 | -0.34 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.34 | 0.83 | -0.49 |
Correlation
The correlation between OIIEX and VOO is 0.77, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
OIIEX vs. VOO - Dividend Comparison
OIIEX's dividend yield for the trailing twelve months is around 1.45%, more than VOO's 1.19% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OIIEX Optimum International Fund | 1.45% | 1.40% | 1.62% | 1.37% | 3.08% | 15.53% | 3.16% | 2.10% | 8.98% | 2.06% | 1.16% | 0.80% |
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
OIIEX vs. VOO - Drawdown Comparison
The maximum OIIEX drawdown since its inception was -58.10%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for OIIEX and VOO.
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Drawdown Indicators
| OIIEX | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.10% | -33.99% | -24.11% |
Max Drawdown (1Y)Largest decline over 1 year | -11.93% | -11.98% | +0.05% |
Max Drawdown (5Y)Largest decline over 5 years | -37.09% | -24.52% | -12.57% |
Max Drawdown (10Y)Largest decline over 10 years | -37.43% | -33.99% | -3.44% |
Current DrawdownCurrent decline from peak | -11.52% | -6.29% | -5.23% |
Average DrawdownAverage peak-to-trough decline | -12.52% | -3.72% | -8.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.09% | 2.52% | +0.57% |
Volatility
OIIEX vs. VOO - Volatility Comparison
Optimum International Fund (OIIEX) has a higher volatility of 7.29% compared to Vanguard S&P 500 ETF (VOO) at 5.29%. This indicates that OIIEX's price experiences larger fluctuations and is considered to be riskier 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
| OIIEX | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.29% | 5.29% | +2.00% |
Volatility (6M)Calculated over the trailing 6-month period | 11.26% | 9.44% | +1.82% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.65% | 18.10% | -1.45% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.54% | 16.82% | -0.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.02% | 17.99% | -0.97% |