VITSX vs. VOO
VITSX (Vanguard Total Stock Market Index Fund Institutional Shares) and VOO (Vanguard S&P 500 ETF) are both funds - VITSX is a Large Cap Blend Equities fund tracking the CRSP US Total Market Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, VITSX returned 14.48%/yr vs 15.14%/yr for VOO. Their 0.99 correlation means they have historically moved very closely together. Both charge a 0.03% expense ratio.
Performance
VITSX vs. VOO - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with VITSX having a 9.87% return and VOO slightly higher at 10.16%. Both investments have delivered pretty close results over the past 10 years, with VITSX having a 14.48% annualized return and VOO not far ahead at 15.14%.
VITSX
- 1D
- 1.62%
- 1M
- -0.78%
- 6M
- 8.16%
- YTD
- 9.87%
- 1Y
- 21.11%
- 3Y*
- 18.59%
- 5Y*
- 11.62%
- 10Y*
- 14.48%
- ALL TIME*
- 9.47%
VOO
- 1D
- 0.71%
- 1M
- 0.26%
- 6M
- 8.58%
- YTD
- 10.16%
- 1Y
- 21.58%
- 3Y*
- 19.42%
- 5Y*
- 12.83%
- 10Y*
- 15.14%
- ALL TIME*
- 14.78%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $3.82B | $3.78B | $5.44B |
VITSX vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VITSX Vanguard Total Stock Market Index Fund Institutional Shares | 9.87% | 17.14% | 23.25% | 26.51% | -19.51% | 25.74% | 20.99% | 30.80% | -5.18% | 21.16% |
VOO Vanguard S&P 500 ETF | 10.16% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Correlation
The correlation between VITSX and VOO is 0.99 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.99 |
Correlation (3Y) Balances recent behavior with more history. | 0.99 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.99 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.99 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010 | 0.99 |
The correlation between VITSX and VOO has been stable across timeframes, ranging from 0.99 to 0.99 - a consistent structural relationship.
VITSX vs. VOO - Sectors Allocation Comparison
Sectors
VITSX
VOO
Technology
Financial Services
Industrials
Healthcare
Consumer Cyclical
Communication Services
Consumer Defensive
Energy
Real Estate
Utilities
Basic Materials
Technology
VITSX
VOO
Financial Services
VITSX
VOO
Industrials
VITSX
VOO
Healthcare
VITSX
VOO
Consumer Cyclical
VITSX
VOO
Communication Services
VITSX
VOO
Consumer Defensive
VITSX
VOO
Energy
VITSX
VOO
Real Estate
VITSX
VOO
Utilities
VITSX
VOO
Basic Materials
VITSX
VOO
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Return for Risk
VITSX vs. VOO — Risk / Return Rank
VITSX
VOO
VITSX vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Stock Market Index Fund Institutional Shares (VITSX) 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| VITSX | VOO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.11 | ||
| Sortino ratioReturn per unit of downside risk | -0.13 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.28 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 2.10 | 2.21 | -0.11 |
| Martin ratioReturn relative to average drawdown | 9.09 | 9.44 | -0.35 |
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Drawdowns
VITSX vs. VOO - Drawdown Comparison
The maximum VITSX drawdown since its inception was -55.30%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for VITSX and VOO.
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Drawdown Indicators
| VITSX | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.30% | -33.99% | -21.31% |
Max Drawdown (1Y)Largest decline over 1 year | -8.92% | -8.90% | -0.02% |
Max Drawdown (3Y)Largest decline over 3 years | -19.36% | -18.69% | -0.67% |
Max Drawdown (5Y)Largest decline over 5 years | -25.36% | -24.52% | -0.84% |
Max Drawdown (10Y)Largest decline over 10 years | -34.97% | -33.99% | -0.98% |
Current DrawdownCurrent decline from peak | -1.89% | -1.38% | -0.51% |
Average DrawdownAverage peak-to-trough decline | -10.02% | -3.67% | -6.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.06% | 2.08% | -0.02% |
Volatility
VITSX vs. VOO - Volatility Comparison
Vanguard Total Stock Market Index Fund Institutional Shares (VITSX) and Vanguard S&P 500 ETF (VOO) have volatilities of 3.40% and 3.54%, 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
| VITSX | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.40% | 3.54% | -0.14% |
Volatility (6M)Calculated over the trailing 6-month period | 10.27% | 10.10% | +0.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.13% | 12.82% | +0.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.47% | 16.93% | +0.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.41% | 18.01% | +0.40% |
VITSX vs. VOO - Expense Ratio Comparison
Both VITSX and VOO have an expense ratio of 0.03%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
VITSX vs. VOO - Dividend Comparison
VITSX's dividend yield for the trailing twelve months is around 1.06%, which matches VOO's 1.07% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VITSX Vanguard Total Stock Market Index Fund Institutional Shares | 1.06% | 1.12% | 1.27% | 1.43% | 1.66% | 1.21% | 1.42% | 1.77% | 2.04% | 1.71% | 1.93% | 1.99% |
VOO Vanguard S&P 500 ETF | 1.07% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Frequently Asked Questions
With a correlation of 0.99, VITSX and VOO move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
VOO has higher volatility (3.54%) compared to VITSX (3.40%). In terms of maximum drawdown, VITSX dropped -55.30% vs VOO's -33.99%.
VOO currently has the higher Sharpe Ratio (1.53 vs 1.43), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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