VIOG vs. VOO

Last updated Jun 23, 2026

VIOG (Vanguard S&P Small-Cap 600 Growth ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - VIOG is a Small Cap Growth Equities fund tracking the S&P SmallCap 600 Growth Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, VIOG returned 11.72%/yr vs 15.77%/yr for VOO. A 0.79 correlation means they provide meaningful diversification when combined. VIOG charges 0.15%/yr vs 0.03%/yr for VOO.

Performance

VIOG vs. VOO - 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 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VIOG achieves a 21.75% return, which is significantly higher than VOO's 9.75% return. Over the past 10 years, VIOG has underperformed VOO with an annualized return of 11.72%, while VOO has yielded a comparatively higher 15.77% annualized return.

VIOG

• 1D: 0.24%
• 1M: 5.94%
• YTD: 21.75%
• 6M: 17.76%
• 1Y: 34.28%
• 3Y*: 16.88%
• 5Y*: 6.57%
• 10Y*: 11.72%

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%

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

VIOG vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VIOG Vanguard S&P Small-Cap 600 Growth ETF	21.75%	5.40%	9.23%	16.92%	-21.14%	22.49%	19.68%	21.16%	-4.57%	14.70%
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%

Correlation

The correlation between VIOG and VOO is 0.77, 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	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.80
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.79

The correlation between VIOG and VOO has been stable across timeframes, ranging from 0.77 to 0.82 - a consistent structural relationship.

VIOG vs. VOO - Sectors Allocation Comparison

Sectors	VIOG	VOO
Technology	19.7%	39.1%
Industrials	19.5%	7.6%
Healthcare	14.6%	8.3%
Financial Services	13.7%	10.9%
Consumer Cyclical	10.9%	9.8%
Real Estate	6.6%	1.8%
Energy	4.1%	3.2%
Consumer Defensive	3.3%	4.5%
Basic Materials	3.1%	1.7%
Communication Services	2.7%	10.5%
Utilities	1.7%	2.5%

Return for Risk

VIOG vs. VOO — Risk / Return Rank

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

VIOG

VIOG Risk / Return Rank: 65
VIOG Sharpe Ratio Rank: 59
VIOG Sortino Ratio Rank: 62
VIOG Omega Ratio Rank: 55
VIOG Calmar Ratio Rank: 77
VIOG Martin Ratio Rank: 72

VOO

VOO Risk / Return Rank: 68
VOO Sharpe Ratio Rank: 70
VOO Sortino Ratio Rank: 67
VOO Omega Ratio Rank: 69
VOO Calmar Ratio Rank: 63
VOO Martin Ratio Rank: 74

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. VOO - 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 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.

	VIOG	VOO	Difference
Sharpe ratio: Return per unit of total volatility	1.92	2.17	-0.25
Sortino ratio: Return per unit of downside risk	2.80	2.93	-0.13
Omega ratio: Gain probability vs. loss probability	1.33	1.39	-0.06
Calmar ratio: Return relative to maximum drawdown	3.81	3.02	+0.79
Martin ratio: Return relative to average drawdown	13.14	13.58	-0.44

VIOG vs. VOO - Sharpe Ratio Comparison

The current VIOG Sharpe Ratio is 1.92, which is comparable to the VOO Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of VIOG and VOO, 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

VIOG vs. VOO - Drawdown Comparison

The maximum VIOG drawdown since its inception was -41.73%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for VIOG and VOO.

Drawdown Indicators

	VIOG	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-41.73%	-33.99%	-7.74%
Max Drawdown (1Y) Largest decline over 1 year	-9.03%	-8.90%	-0.13%
Max Drawdown (3Y) Largest decline over 3 years	-27.35%	-18.69%	-8.66%
Max Drawdown (5Y) Largest decline over 5 years	-29.15%	-24.52%	-4.63%
Max Drawdown (10Y) Largest decline over 10 years	-41.73%	-33.99%	-7.74%
Current Drawdown Current decline from peak	0.00%	-1.74%	+1.74%
Average Drawdown Average peak-to-trough decline	-7.60%	-3.68%	-3.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.62%	1.98%	+0.64%

Volatility

VIOG vs. VOO - Volatility Comparison

Vanguard S&P Small-Cap 600 Growth ETF (VIOG) has a higher volatility of 5.42% compared to Vanguard S&P 500 ETF (VOO) at 4.60%. This indicates that VIOG's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VIOG	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.42%	4.60%	+0.82%
Volatility (6M) Calculated over the trailing 6-month period	13.01%	9.73%	+3.28%
Volatility (1Y) Calculated over the trailing 1-year period	17.95%	12.39%	+5.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.53%	16.90%	+4.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.88%	18.05%	+4.83%

VIOG vs. VOO - Expense Ratio Comparison

VIOG has a 0.15% expense ratio, which is higher than VOO's 0.03% 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

VIOG vs. VOO - Dividend Comparison

VIOG's dividend yield for the trailing twelve months is around 0.79%, less than VOO's 1.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VIOG Vanguard S&P Small-Cap 600 Growth ETF	0.79%	1.04%	1.03%	1.15%	1.17%	0.69%	0.68%	1.09%	0.76%	0.87%	0.92%	1.04%
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

Can I hold both VIOG and VOO in my portfolio?

VIOG and VOO have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VIOG or VOO?

VIOG has higher volatility (5.42%) compared to VOO (4.60%). In terms of maximum drawdown, VIOG dropped -41.73% vs VOO's -33.99%.

Which ETF is better, VIOG or VOO?

On 10-year performance, VOO leads with 15.77% vs 11.72% for VIOG. 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.

Which ETF has performed better, VIOG or VOO?

Over the 10-year period, VOO has performed better with a 15.77% return vs 11.72%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, VIOG or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.15% for VIOG.

Which ETF pays a higher dividend yield, VIOG or VOO?

VOO has the higher dividend yield at 1.04%, compared with 0.79% for VIOG.

What is the main difference between VIOG and VOO?

VIOG is categorized as Small Cap Growth Equities, while VOO is S&P 500. VIOG tracks S&P SmallCap 600 Growth Index, while VOO tracks S&P 500 Index. Their fees differ too: 0.15% for VIOG and 0.03% for VOO.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.17 vs 1.92), 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.