VB vs. VIOO

Last updated Aug 1, 2026

VB (Vanguard Small-Cap ETF) and VIOO (Vanguard S&P Small-Cap 600 ETF) are both Small Cap Blend Equities funds from Vanguard - VB tracks the CRSP US Small Cap Index while VIOO tracks the S&P SmallCap 600 Index. Both are passively managed. Over the past 10 years, VB returned 11.08%/yr vs 10.87%/yr for VIOO. Their correlation of 0.94 means they have usually moved in the same direction. VB charges 0.03%/yr vs 0.07%/yr for VIOO.

Performance

VB vs. VIOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Small-Cap ETF (VB) and Vanguard S&P Small-Cap 600 ETF (VIOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VB achieves a 15.19% return, which is significantly lower than VIOO's 21.54% return. Both investments have delivered pretty close results over the past 10 years, with VB having a 11.08% annualized return and VIOO not far behind at 10.87%.

VB

• 1D: -0.22%
• 1M: -2.11%
• 6M: 10.09%
• YTD: 15.19%
• 1Y: 23.84%
• 3Y*: 14.02%
• 5Y*: 7.45%
• 10Y*: 11.08%
• ALL TIME*: 9.88%

VIOO

• 1D: -0.01%
• 1M: -0.56%
• 6M: 15.04%
• YTD: 21.54%
• 1Y: 35.81%
• 3Y*: 13.37%
• 5Y*: 7.42%
• 10Y*: 10.87%
• ALL TIME*: 12.46%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
VB Vanguard Small-Cap ETF	$121.48M	$119.40M	$165.11M
VIOO Vanguard S&P Small-Cap 600 ETF	$8.61M	$8.65M	$9.93M

VB vs. VIOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VB Vanguard Small-Cap ETF	15.19%	8.87%	14.17%	18.22%	-17.51%	17.57%	19.19%	27.34%	-9.34%	16.26%
VIOO Vanguard S&P Small-Cap 600 ETF	21.54%	6.04%	8.48%	16.16%	-16.26%	26.79%	11.47%	22.68%	-8.65%	13.16%

Correlation

The correlation between VB and VIOO is 0.94, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.94
Correlation (3Y) Balances recent behavior with more history.	0.96
Correlation (5Y) Shows whether the relationship held over a longer period.	0.97
Correlation (10Y) Provides a long-term view across more market conditions.	0.96
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.94

The correlation between VB and VIOO has been stable across timeframes, ranging from 0.94 to 0.97 - a consistent structural relationship.

VB vs. VIOO - Sectors Allocation Comparison

Sectors	VB	VIOO
Industrials	19.9%	15.6%
Technology	17.9%	15.6%
Healthcare	12.5%	12.2%
Financial Services	12.4%	17.1%
Consumer Cyclical	11.6%	13.2%
Real Estate	7.9%	7.6%
Basic Materials	4.4%	4.7%
Energy	3.9%	4.9%
Consumer Defensive	3.3%	4.2%
Utilities	3.3%	1.8%
Communication Services	2.9%	3.2%

Return for Risk

VB vs. VIOO — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

VB

VB Risk / Return Rank: 69
VB Sharpe Ratio Rank: 63
VB Sortino Ratio Rank: 65
VB Omega Ratio Rank: 60
VB Calmar Ratio Rank: 76
VB Martin Ratio Rank: 78

VIOO

VIOO Risk / Return Rank: 86
VIOO Sharpe Ratio Rank: 84
VIOO Sortino Ratio Rank: 86
VIOO Omega Ratio Rank: 81
VIOO Calmar Ratio Rank: 90
VIOO Martin Ratio Rank: 88

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

VB vs. VIOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Small-Cap ETF (VB) and Vanguard S&P Small-Cap 600 ETF (VIOO). 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.

	VB	VIOO	Difference
Sharpe ratio: Return per unit of total volatility	1.46	1.95	-0.49
Sortino ratio: Return per unit of downside risk	2.13	2.85	-0.72
Omega ratio: Gain probability vs. loss probability	1.26	1.34	-0.08
Calmar ratio: Return relative to maximum drawdown	2.67	3.85	-1.19
Martin ratio: Return relative to average drawdown	9.73	13.20	-3.46

VB vs. VIOO - Sharpe Ratio Comparison

The current VB Sharpe Ratio is 1.46, which is comparable to the VIOO Sharpe Ratio of 1.95. The chart below compares the historical Sharpe Ratios of VB and VIOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

VB vs. VIOO - Drawdown Comparison

The maximum VB drawdown since its inception was -59.56%, which is greater than VIOO's maximum drawdown of -44.15%. Use the drawdown chart below to compare losses from any high point for VB and VIOO.

Drawdown Indicators

	VB	VIOO	Difference
Max Drawdown Largest peak-to-trough decline	-59.56%	-44.15%	-15.41%
Max Drawdown (1Y) Largest decline over 1 year	-8.98%	-8.77%	-0.21%
Max Drawdown (3Y) Largest decline over 3 years	-25.36%	-27.93%	+2.57%
Max Drawdown (5Y) Largest decline over 5 years	-28.15%	-27.93%	-0.22%
Max Drawdown (10Y) Largest decline over 10 years	-42.05%	-44.15%	+2.10%
Current Drawdown Current decline from peak	-2.63%	-1.95%	-0.68%
Average Drawdown Average peak-to-trough decline	-8.39%	-7.27%	-1.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.46%	2.56%	-0.10%

Volatility

VB vs. VIOO - Volatility Comparison

Vanguard Small-Cap ETF (VB) and Vanguard S&P Small-Cap 600 ETF (VIOO) have volatilities of 3.36% and 3.46%, 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.

Volatility by Period

	VB	VIOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.36%	3.46%	-0.10%
Volatility (6M) Calculated over the trailing 6-month period	12.01%	11.66%	+0.35%
Volatility (1Y) Calculated over the trailing 1-year period	16.47%	17.41%	-0.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.69%	21.25%	-0.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.37%	22.94%	-1.57%

VB vs. VIOO - Expense Ratio Comparison

VB has a 0.03% expense ratio, which is lower than VIOO's 0.07% 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

VB vs. VIOO - Dividend Comparison

VB's dividend yield for the trailing twelve months is around 1.22%, more than VIOO's 1.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VB Vanguard Small-Cap ETF	1.22%	1.33%	1.30%	1.55%	1.59%	1.24%	1.14%	1.39%	1.67%	1.35%	1.50%	1.48%
VIOO Vanguard S&P Small-Cap 600 ETF	1.12%	1.36%	1.48%	1.47%	1.51%	1.16%	1.09%	1.37%	1.32%	1.11%	1.06%	1.26%

Frequently Asked Questions

Can I hold both VB and VIOO in my portfolio?

With a correlation of 0.94, VB and VIOO 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.

Which is riskier, VB or VIOO?

VIOO has higher volatility (3.46%) compared to VB (3.36%). In terms of maximum drawdown, VB dropped -59.56% vs VIOO's -44.15%.

Which ETF is better, VB or VIOO?

On 10-year performance, VB leads with 11.08% vs 10.87% for VIOO. On fees, VB is cheaper at 0.03% per year. On volatility, VB has been the lower-risk option at 3.36%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, VB or VIOO?

Over the 10-year period, VB has performed better with a 11.08% return vs 10.87%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, VB or VIOO?

VB is cheaper with a 0.03% expense ratio, compared with 0.07% for VIOO.

Which ETF pays a higher dividend yield, VB or VIOO?

VB has the higher dividend yield at 1.22%, compared with 1.12% for VIOO.

What is the main difference between VB and VIOO?

VB tracks CRSP US Small Cap Index, while VIOO tracks S&P SmallCap 600 Index. Their fees differ too: 0.03% for VB and 0.07% for VIOO.

Which has better risk-adjusted returns?

VIOO currently has the higher Sharpe Ratio (1.95 vs 1.46), 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.