VIOV vs. VIOO

Last updated Jun 9, 2026

VIOV (Vanguard S&P Small-Cap 600 Value ETF) and VIOO (Vanguard S&P Small-Cap 600 ETF) are both exchange-traded funds - VIOV is a Small Cap Value Equities fund tracking the S&P SmallCap 600 Value Index, while VIOO is a Small Cap Blend Equities fund tracking the S&P SmallCap 600 Index. Both are passively managed. Over the past 10 years, VIOV returned 10.22%/yr vs 10.63%/yr for VIOO. Their correlation of 0.93 suggests significant overlap in exposure. VIOV charges 0.10%/yr vs 0.07%/yr for VIOO.

Performance

VIOV vs. VIOO - Performance Comparison

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

Returns By Period

The year-to-date returns for both stocks are quite close, with VIOV having a 15.63% return and VIOO slightly lower at 15.44%. Both investments have delivered pretty close results over the past 10 years, with VIOV having a 10.22% annualized return and VIOO not far ahead at 10.63%.

VIOV

• 1D: 0.77%
• 1M: 0.98%
• YTD: 15.63%
• 6M: 16.09%
• 1Y: 36.39%
• 3Y*: 13.67%
• 5Y*: 5.54%
• 10Y*: 10.22%

VIOO

• 1D: 0.60%
• 1M: 0.16%
• YTD: 15.44%
• 6M: 15.12%
• 1Y: 30.51%
• 3Y*: 13.80%
• 5Y*: 5.39%
• 10Y*: 10.63%

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

VIOV vs. VIOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VIOV Vanguard S&P Small-Cap 600 Value ETF	15.63%	6.63%	7.44%	15.36%	-11.37%	30.67%	2.81%	24.44%	-12.85%	11.54%
VIOO Vanguard S&P Small-Cap 600 ETF	15.44%	6.04%	8.48%	16.16%	-16.26%	26.79%	11.47%	22.68%	-8.65%	13.16%

Correlation

The correlation between VIOV and VIOO is 0.97 - 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.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.97
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (10Y) Calculated over the trailing 10-year period	0.98
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.93

The correlation between VIOV and VIOO has been stable across timeframes, ranging from 0.93 to 0.98 - a consistent structural relationship.

VIOV vs. VIOO - Sectors Allocation Comparison

Sectors	VIOV	VIOO
Financial Services	19.8%	16.9%
Consumer Cyclical	15.4%	13.4%
Industrials	12.7%	15.5%
Technology	10.6%	15.5%
Energy	9.1%	5.9%
Real Estate	8.8%	7.7%
Healthcare	7.5%	11.0%
Basic Materials	6.3%	5.1%
Consumer Defensive	3.8%	3.5%
Communication Services	3.4%	3.6%
Utilities	1.9%	2.0%

Return for Risk

VIOV vs. VIOO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VIOV

VIOV Risk / Return Rank: 71
VIOV Sharpe Ratio Rank: 67
VIOV Sortino Ratio Rank: 70
VIOV Omega Ratio Rank: 62
VIOV Calmar Ratio Rank: 82
VIOV Martin Ratio Rank: 74

VIOO

VIOO Risk / Return Rank: 63
VIOO Sharpe Ratio Rank: 57
VIOO Sortino Ratio Rank: 60
VIOO Omega Ratio Rank: 53
VIOO Calmar Ratio Rank: 76
VIOO Martin Ratio Rank: 69

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VIOV vs. VIOO - Risk-Adjusted Trends Comparison

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

	VIOV	VIOO	Difference
Sharpe ratio: Return per unit of total volatility	1.99	1.74	+0.25
Sortino ratio: Return per unit of downside risk	2.85	2.53	+0.32
Omega ratio: Gain probability vs. loss probability	1.34	1.30	+0.04
Calmar ratio: Return relative to maximum drawdown	3.92	3.49	+0.43
Martin ratio: Return relative to average drawdown	12.76	11.68	+1.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VIOV vs. VIOO - Sharpe Ratio Comparison

The current VIOV Sharpe Ratio is 1.99, which is comparable to the VIOO Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of VIOV 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.

Sharpe Ratios by Period

	VIOV	VIOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.99	1.74	+0.25
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.25	0.25	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	0.46	-0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.57	-0.04

Drawdowns

VIOV vs. VIOO - Drawdown Comparison

The maximum VIOV drawdown since its inception was -47.36%, which is greater than VIOO's maximum drawdown of -44.15%. Use the drawdown chart below to compare losses from any high point for VIOV and VIOO.

Drawdown Indicators

	VIOV	VIOO	Difference
Max Drawdown Largest peak-to-trough decline	-47.36%	-44.15%	-3.21%
Max Drawdown (1Y) Largest decline over 1 year	-9.33%	-8.77%	-0.56%
Max Drawdown (3Y) Largest decline over 3 years	-28.44%	-27.93%	-0.51%
Max Drawdown (5Y) Largest decline over 5 years	-28.44%	-27.93%	-0.51%
Max Drawdown (10Y) Largest decline over 10 years	-47.36%	-44.15%	-3.21%
Current Drawdown Current decline from peak	-0.99%	-1.13%	+0.14%
Average Drawdown Average peak-to-trough decline	-7.37%	-7.33%	-0.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.86%	2.62%	+0.24%

Volatility

VIOV vs. VIOO - Volatility Comparison

Vanguard S&P Small-Cap 600 Value ETF (VIOV) and Vanguard S&P Small-Cap 600 ETF (VIOO) have volatilities of 4.83% and 4.63%, 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

	VIOV	VIOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.83%	4.63%	+0.20%
Volatility (6M) Calculated over the trailing 6-month period	11.71%	11.84%	-0.13%
Volatility (1Y) Calculated over the trailing 1-year period	18.45%	17.66%	+0.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.96%	21.41%	+0.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.90%	23.00%	+0.90%

VIOV vs. VIOO - Expense Ratio Comparison

VIOV has a 0.10% expense ratio, which is higher than VIOO's 0.07% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

VIOV vs. VIOO - Dividend Comparison

VIOV's dividend yield for the trailing twelve months is around 1.59%, more than VIOO's 1.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VIOO Vanguard S&P Small-Cap 600 ETF	1.18%	1.36%	1.48%	1.47%	1.51%	1.16%	1.09%	1.37%	1.32%	1.11%	1.06%	1.26%
VIOV Vanguard S&P Small-Cap 600 Value ETF	1.59%	1.69%	1.78%	2.18%	1.81%	1.59%	1.42%	1.60%	1.76%	1.43%	1.17%	1.32%

Frequently Asked Questions

Can I hold both VIOV and VIOO in my portfolio?

With a correlation of 0.97, VIOV 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, VIOV or VIOO?

VIOV has higher volatility (4.83%) compared to VIOO (4.63%). In terms of maximum drawdown, VIOV dropped -47.36% vs VIOO's -44.15%.

Which ETF is better, VIOV or VIOO?

On 10-year performance, VIOO leads with 10.63% vs 10.22% for VIOV. On fees, VIOO is cheaper at 0.07% per year. On volatility, VIOO has been the lower-risk option at 4.63%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, VIOV or VIOO?

Over the 10-year period, VIOO has performed better with a 10.63% return vs 10.22%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, VIOV or VIOO?

VIOO is cheaper with a 0.07% expense ratio, compared with 0.10% for VIOV.

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

VIOV has the higher dividend yield at 1.59%, compared with 1.18% for VIOO.

What is the main difference between VIOV and VIOO?

VIOV is categorized as Small Cap Value Equities, while VIOO is Small Cap Blend Equities. VIOV tracks S&P SmallCap 600 Value Index, while VIOO tracks S&P SmallCap 600 Index. Their fees differ too: 0.10% for VIOV and 0.07% for VIOO.

Which has better risk-adjusted returns?

VIOV currently has the higher Sharpe Ratio (1.99 vs 1.74), 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.