VIOG vs. VIOO

Last updated Apr 1, 2026

Compare and contrast key facts about Vanguard S&P Small-Cap 600 Growth ETF (VIOG) and Vanguard S&P Small-Cap 600 ETF (VIOO).

VIOG and VIOO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. VIOG is a passively managed fund by Vanguard that tracks the performance of the S&P SmallCap 600 Growth Index. It was launched on Sep 7, 2010. VIOO is a passively managed fund by Vanguard that tracks the performance of the S&P SmallCap 600 Index. It was launched on Sep 7, 2010. Both VIOG and VIOO are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

VIOG vs. VIOO - Performance Comparison

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

VIOG vs. VIOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VIOG Vanguard S&P Small-Cap 600 Growth ETF	2.81%	5.40%	9.23%	16.92%	-21.14%	22.49%	19.68%	21.16%	-4.57%	14.70%
VIOO Vanguard S&P Small-Cap 600 ETF	3.49%	6.04%	8.48%	16.16%	-16.26%	26.79%	11.47%	22.68%	-8.65%	13.16%

Returns By Period

In the year-to-date period, VIOG achieves a 2.81% return, which is significantly lower than VIOO's 3.49% return. Both investments have delivered pretty close results over the past 10 years, with VIOG having a 9.89% annualized return and VIOO not far behind at 9.84%.

VIOG

• 1D: 3.50%
• 1M: -4.59%
• YTD: 2.81%
• 6M: 2.72%
• 1Y: 17.58%
• 3Y*: 10.75%
• 5Y*: 3.16%
• 10Y*: 9.89%

VIOO

• 1D: 2.80%
• 1M: -4.04%
• YTD: 3.49%
• 6M: 5.34%
• 1Y: 20.57%
• 3Y*: 10.51%
• 5Y*: 4.09%
• 10Y*: 9.84%

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

VIOG vs. VIOO - Expense Ratio Comparison

VIOG has a 0.15% expense ratio, which is higher than VIOO's 0.10% 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%.

VIOG

Vanguard S&P Small-Cap 600 Growth ETF

VIOO

Vanguard S&P Small-Cap 600 ETF

Return for Risk

VIOG vs. VIOO — Risk / Return Rank

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

VIOG

VIOG Risk / Return Rank: 51
VIOG Sharpe Ratio Rank: 47
VIOG Sortino Ratio Rank: 50
VIOG Omega Ratio Rank: 45
VIOG Calmar Ratio Rank: 56
VIOG Martin Ratio Rank: 58

VIOO

VIOO Risk / Return Rank: 58
VIOO Sharpe Ratio Rank: 55
VIOO Sortino Ratio Rank: 58
VIOO Omega Ratio Rank: 52
VIOO Calmar Ratio Rank: 62
VIOO Martin Ratio Rank: 63

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.

VIOG vs. VIOO - Risk-Adjusted Trends Comparison

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

	VIOG	VIOO	Difference
Sharpe ratio Return per unit of total volatility	0.80	0.91	-0.11
Sortino ratio Return per unit of downside risk	1.28	1.41	-0.14
Omega ratio Gain probability vs. loss probability	1.17	1.19	-0.02
Calmar ratio Return relative to maximum drawdown	1.33	1.45	-0.12
Martin ratio Return relative to average drawdown	5.39	5.78	-0.39
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VIOG vs. VIOO - Sharpe Ratio Comparison

The current VIOG Sharpe Ratio is 0.80, which is comparable to the VIOO Sharpe Ratio of 0.91. The chart below compares the historical Sharpe Ratios of VIOG and VIOO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	VIOG	VIOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.80	0.91	-0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.15	0.19	-0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	0.43	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.56	0.54	+0.02

Correlation

The correlation between VIOG and VIOO is 0.94, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

VIOG vs. VIOO - Dividend Comparison

VIOG's dividend yield for the trailing twelve months is around 0.94%, less than VIOO's 1.31% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VIOG Vanguard S&P Small-Cap 600 Growth ETF	0.94%	1.04%	1.03%	1.15%	1.17%	0.69%	0.68%	1.09%	0.76%	0.87%	0.92%	1.04%
VIOO Vanguard S&P Small-Cap 600 ETF	1.31%	1.36%	1.48%	1.47%	1.51%	1.16%	1.09%	1.37%	1.32%	1.11%	1.06%	1.26%

Drawdowns

VIOG vs. VIOO - Drawdown Comparison

The maximum VIOG drawdown since its inception was -41.73%, smaller than the maximum VIOO drawdown of -44.15%. Use the drawdown chart below to compare losses from any high point for VIOG and VIOO.

Drawdown Indicators

	VIOG	VIOO	Difference
Max Drawdown Largest peak-to-trough decline	-41.73%	-44.15%	+2.42%
Max Drawdown (1Y) Largest decline over 1 year	-13.82%	-14.66%	+0.84%
Max Drawdown (5Y) Largest decline over 5 years	-29.15%	-27.93%	-1.22%
Max Drawdown (10Y) Largest decline over 10 years	-41.73%	-44.15%	+2.42%
Current Drawdown Current decline from peak	-5.85%	-5.80%	-0.05%
Average Drawdown Average peak-to-trough decline	-7.69%	-7.40%	-0.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.41%	3.67%	-0.26%

Volatility

VIOG vs. VIOO - Volatility Comparison

Vanguard S&P Small-Cap 600 Growth ETF (VIOG) has a higher volatility of 7.21% compared to Vanguard S&P Small-Cap 600 ETF (VIOO) at 6.34%. This indicates that VIOG's price experiences larger fluctuations and is considered to be riskier than VIOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VIOG	VIOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.21%	6.34%	+0.87%
Volatility (6M) Calculated over the trailing 6-month period	13.04%	13.10%	-0.06%
Volatility (1Y) Calculated over the trailing 1-year period	22.01%	22.67%	-0.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.54%	21.51%	+0.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.82%	22.98%	-0.16%