VOO vs. VTWIX
Compare and contrast key facts about Vanguard S&P 500 ETF (VOO) and Vanguard Total World Stock Index Fund Institutional Shares (VTWIX).
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. VTWIX is managed by Vanguard. It was launched on Oct 9, 2008.
Performance
VOO vs. VTWIX - Performance Comparison
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Returns By Period
In the year-to-date period, VOO achieves a -3.55% return, which is significantly lower than VTWIX's -1.00% return. Over the past 10 years, VOO has outperformed VTWIX with an annualized return of 14.19%, while VTWIX has yielded a comparatively lower 11.65% annualized return.
VOO
- 1D
- 0.11%
- 1M
- -4.01%
- YTD
- -3.55%
- 6M
- -1.41%
- 1Y
- 23.49%
- 3Y*
- 18.47%
- 5Y*
- 11.96%
- 10Y*
- 14.19%
VTWIX
- 1D
- -0.16%
- 1M
- -3.75%
- YTD
- -1.00%
- 6M
- 1.24%
- 1Y
- 26.26%
- 3Y*
- 16.98%
- 5Y*
- 9.39%
- 10Y*
- 11.65%
VOO vs. VTWIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VOO Vanguard S&P 500 ETF | -3.55% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
VTWIX Vanguard Total World Stock Index Fund Institutional Shares | -1.00% | 22.43% | 16.47% | 21.87% | -18.00% | 18.21% | 16.70% | 26.77% | -9.68% | 24.21% |
Correlation
The correlation between VOO and VTWIX is 0.95 — these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk. Consider pairing with a less correlated asset class instead.
VOO vs. VTWIX - Expense Ratio Comparison
VOO has a 0.03% expense ratio, which is lower than VTWIX's 0.08% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
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Return for Risk
VOO vs. VTWIX — Risk / Return Rank
VOO
VTWIX
VOO vs. VTWIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 ETF (VOO) and Vanguard Total World Stock Index Fund Institutional Shares (VTWIX). 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.
| VOO | VTWIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.98 | 1.27 | -0.30 |
Sortino ratioReturn per unit of downside risk | 1.49 | 1.85 | -0.36 |
Omega ratioGain probability vs. loss probability | 1.23 | 1.28 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 1.53 | 1.88 | -0.35 |
Martin ratioReturn relative to average drawdown | 7.13 | 8.50 | -1.37 |
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
| VOO | VTWIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.98 | 1.27 | -0.30 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.71 | 0.60 | +0.11 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.79 | 0.70 | +0.09 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.83 | 0.43 | +0.41 |
Drawdowns
VOO vs. VTWIX - Drawdown Comparison
The maximum VOO drawdown since its inception was -33.99%, smaller than the maximum VTWIX drawdown of -50.16%. Use the drawdown chart below to compare losses from any high point for VOO and VTWIX.
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Drawdown Indicators
| VOO | VTWIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.99% | -50.16% | +16.17% |
Max Drawdown (1Y)Largest decline over 1 year | -8.90% | -9.64% | +0.74% |
Max Drawdown (5Y)Largest decline over 5 years | -24.52% | -26.39% | +1.87% |
Max Drawdown (10Y)Largest decline over 10 years | -33.99% | -34.20% | +0.21% |
Current DrawdownCurrent decline from peak | -5.44% | -6.16% | +0.72% |
Average DrawdownAverage peak-to-trough decline | -3.72% | -7.02% | +3.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.57% | 2.59% | -0.02% |
Volatility
VOO vs. VTWIX - Volatility Comparison
The current volatility for Vanguard S&P 500 ETF (VOO) is 5.27%, while Vanguard Total World Stock Index Fund Institutional Shares (VTWIX) has a volatility of 5.87%. This indicates that VOO experiences smaller price fluctuations and is considered to be less risky than VTWIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VOO | VTWIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.27% | 5.87% | -0.60% |
Volatility (6M)Calculated over the trailing 6-month period | 9.46% | 9.79% | -0.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.11% | 16.79% | +1.32% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.81% | 15.65% | +1.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.98% | 16.72% | +1.26% |
Dividends
VOO vs. VTWIX - Dividend Comparison
VOO's dividend yield for the trailing twelve months is around 1.18%, less than VTWIX's 1.80% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VOO Vanguard S&P 500 ETF | 1.18% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
VTWIX Vanguard Total World Stock Index Fund Institutional Shares | 1.80% | 1.82% | 1.94% | 2.07% | 2.19% | 1.81% | 1.66% | 2.32% | 2.55% | 2.11% | 2.40% | 2.46% |