VOO vs. VB
VOO (Vanguard S&P 500 ETF) and VB (Vanguard Small-Cap ETF) are both exchange-traded funds - VOO is a S&P 500 fund tracking the S&P 500 Index, while VB is a Small Cap Blend Equities fund tracking the CRSP US Small Cap Index. Both are passively managed. Over the past 10 years, VOO returned 15.77%/yr vs 11.79%/yr for VB. Their correlation of 0.87 suggests significant overlap in exposure. VOO charges 0.03%/yr vs 0.05%/yr for VB.
Performance
VOO vs. VB - Performance Comparison
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Returns By Period
In the year-to-date period, VOO achieves a 9.75% return, which is significantly lower than VB's 15.68% return. Over the past 10 years, VOO has outperformed VB with an annualized return of 15.77%, while VB has yielded a comparatively lower 11.79% annualized return.
VOO
- 1D
- -0.29%
- 1M
- 0.08%
- YTD
- 9.75%
- 6M
- 9.30%
- 1Y
- 26.77%
- 3Y*
- 21.36%
- 5Y*
- 13.58%
- 10Y*
- 15.77%
VB
- 1D
- 0.26%
- 1M
- 2.83%
- YTD
- 15.68%
- 6M
- 13.00%
- 1Y
- 30.17%
- 3Y*
- 17.54%
- 5Y*
- 7.39%
- 10Y*
- 11.79%
VOO vs. VB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VOO Vanguard S&P 500 ETF | 9.75% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
VB Vanguard Small-Cap ETF | 15.68% | 8.87% | 14.17% | 18.22% | -17.51% | 17.57% | 19.19% | 27.34% | -9.34% | 16.26% |
Correlation
The correlation between VOO and VB is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.78 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.80 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.85 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.85 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010 | 0.87 |
The correlation between VOO and VB has been stable across timeframes, ranging from 0.78 to 0.87 - a consistent structural relationship.
VOO vs. VB - Sectors Allocation Comparison
Sectors
VOO
VB
Technology
Financial Services
Communication Services
Consumer Cyclical
Healthcare
Industrials
Consumer Defensive
Energy
Utilities
Real Estate
Basic Materials
Technology
VOO
VB
Financial Services
VOO
VB
Communication Services
VOO
VB
Consumer Cyclical
VOO
VB
Healthcare
VOO
VB
Industrials
VOO
VB
Consumer Defensive
VOO
VB
Energy
VOO
VB
Utilities
VOO
VB
Real Estate
VOO
VB
Basic Materials
VOO
VB
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Return for Risk
VOO vs. VB — Risk / Return Rank
VOO
VB
VOO vs. VB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 ETF (VOO) and Vanguard Small-Cap ETF (VB). 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.
| VOO | VB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.35 | ||
| Sortino ratioReturn per unit of downside risk | +0.34 | ||
| Omega ratioGain probability vs. loss probability | 1.39 | 1.31 | +0.08 |
| Calmar ratioReturn relative to maximum drawdown | 3.02 | 3.38 | -0.35 |
| Martin ratioReturn relative to average drawdown | 13.58 | 12.38 | +1.20 |
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Drawdowns
VOO vs. VB - Drawdown Comparison
The maximum VOO drawdown since its inception was -33.99%, smaller than the maximum VB drawdown of -59.56%. Use the drawdown chart below to compare losses from any high point for VOO and VB.
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Drawdown Indicators
| VOO | VB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.99% | -59.56% | +25.57% |
Max Drawdown (1Y)Largest decline over 1 year | -8.90% | -8.98% | +0.08% |
Max Drawdown (3Y)Largest decline over 3 years | -18.69% | -25.36% | +6.67% |
Max Drawdown (5Y)Largest decline over 5 years | -24.52% | -28.15% | +3.63% |
Max Drawdown (10Y)Largest decline over 10 years | -33.99% | -42.05% | +8.06% |
Current DrawdownCurrent decline from peak | -1.74% | -0.39% | -1.35% |
Average DrawdownAverage peak-to-trough decline | -3.68% | -8.42% | +4.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.98% | 2.44% | -0.46% |
Volatility
VOO vs. VB - Volatility Comparison
The current volatility for Vanguard S&P 500 ETF (VOO) is 4.60%, while Vanguard Small-Cap ETF (VB) has a volatility of 4.92%. This indicates that VOO experiences smaller price fluctuations and is considered to be less risky than VB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VOO | VB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.60% | 4.92% | -0.32% |
Volatility (6M)Calculated over the trailing 6-month period | 9.73% | 12.21% | -2.48% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.39% | 16.66% | -4.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.90% | 20.78% | -3.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.05% | 21.45% | -3.40% |
VOO vs. VB - Expense Ratio Comparison
VOO has a 0.03% expense ratio, which is lower than VB's 0.05% 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%.
Dividends
VOO vs. VB - Dividend Comparison
VOO's dividend yield for the trailing twelve months is around 1.04%, less than VB's 1.18% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VB Vanguard Small-Cap ETF | 1.18% | 1.33% | 1.30% | 1.55% | 1.59% | 1.24% | 1.14% | 1.39% | 1.67% | 1.35% | 1.50% | 1.48% |
VOO Vanguard S&P 500 ETF | 1.04% | 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
VOO and VB have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VB has higher volatility (4.92%) compared to VOO (4.60%). In terms of maximum drawdown, VOO dropped -33.99% vs VB's -59.56%.
On 10-year performance, VOO leads with 15.77% vs 11.79% for VB. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 4.60%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, VOO has performed better with a 15.77% return vs 11.79%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VOO is cheaper with a 0.03% expense ratio, compared with 0.05% for VB.
VB has the higher dividend yield at 1.18%, compared with 1.04% for VOO.
VOO is categorized as S&P 500, while VB is Small Cap Blend Equities. VOO tracks S&P 500 Index, while VB tracks CRSP US Small Cap Index. Their fees differ too: 0.03% for VOO and 0.05% for VB.
VOO currently has the higher Sharpe Ratio (2.17 vs 1.82), 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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