TOUS vs. VOO

Last updated Jun 23, 2026

TOUS (T. Rowe Price International Equity ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - TOUS is a Foreign Large Cap Equities fund actively managed by T. Rowe Price, while VOO is a S&P 500 fund tracking the S&P 500 Index. TOUS is actively managed, while VOO is passively managed. Over the past 3 years, TOUS returned 18.35%/yr vs 21.36%/yr for VOO. A 0.72 correlation means they provide meaningful diversification when combined. TOUS charges 0.50%/yr vs 0.03%/yr for VOO.

Performance

TOUS vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price International Equity ETF (TOUS) 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, TOUS achieves a 11.45% return, which is significantly higher than VOO's 9.75% return.

TOUS

• 1D: 0.18%
• 1M: 2.51%
• YTD: 11.45%
• 6M: 12.07%
• 1Y: 25.27%
• 3Y*: 18.35%
• 5Y*: —
• 10Y*: —

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)

TOUS vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
TOUS T. Rowe Price International Equity ETF	11.45%	34.00%	3.63%	3.45%
VOO Vanguard S&P 500 ETF	9.75%	17.82%	24.98%	10.06%

Correlation

The correlation between TOUS and VOO is 0.75, 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	0.75
Correlation (3Y) Calculated over the trailing 3-year period	0.72
Correlation (All Time) Calculated using the full available price history since Jun 15, 2023	0.72

The correlation between TOUS and VOO has been stable across timeframes, ranging from 0.72 to 0.75 - a consistent structural relationship.

TOUS vs. VOO - Sectors Allocation Comparison

Sectors	TOUS	VOO
Financial Services	21.8%	10.9%
Industrials	19.1%	7.6%
Technology	15.0%	39.1%
Healthcare	9.7%	8.3%
Consumer Cyclical	7.4%	9.8%
Consumer Defensive	7.2%	4.5%
Basic Materials	5.4%	1.7%
Energy	4.9%	3.2%
Communication Services	4.9%	10.5%
Utilities	3.1%	2.5%
Real Estate	1.7%	1.8%

Return for Risk

TOUS vs. VOO — Risk / Return Rank

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

TOUS

TOUS Risk / Return Rank: 47
TOUS Sharpe Ratio Rank: 48
TOUS Sortino Ratio Rank: 48
TOUS Omega Ratio Rank: 48
TOUS Calmar Ratio Rank: 43
TOUS Martin Ratio Rank: 47

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.

TOUS vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price International Equity ETF (TOUS) 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.

	TOUS	VOO	Difference
Sharpe ratio: Return per unit of total volatility	1.61	2.17	-0.56
Sortino ratio: Return per unit of downside risk	2.34	2.93	-0.59
Omega ratio: Gain probability vs. loss probability	1.30	1.39	-0.10
Calmar ratio: Return relative to maximum drawdown	2.08	3.02	-0.95
Martin ratio: Return relative to average drawdown	7.54	13.58	-6.04

TOUS vs. VOO - Sharpe Ratio Comparison

The current TOUS Sharpe Ratio is 1.61, which is comparable to the VOO Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of TOUS 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

TOUS vs. VOO - Drawdown Comparison

The maximum TOUS drawdown since its inception was -14.29%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for TOUS and VOO.

Drawdown Indicators

	TOUS	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-14.29%	-33.99%	+19.70%
Max Drawdown (1Y) Largest decline over 1 year	-12.23%	-8.90%	-3.33%
Max Drawdown (3Y) Largest decline over 3 years	-14.29%	-18.69%	+4.40%
Max Drawdown (5Y) Largest decline over 5 years	—	-24.52%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.99%	—
Current Drawdown Current decline from peak	0.00%	-1.74%	+1.74%
Average Drawdown Average peak-to-trough decline	-2.80%	-3.68%	+0.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.36%	1.98%	+1.38%

Volatility

TOUS vs. VOO - Volatility Comparison

T. Rowe Price International Equity ETF (TOUS) and Vanguard S&P 500 ETF (VOO) have volatilities of 4.80% and 4.60%, 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

	TOUS	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.80%	4.60%	+0.20%
Volatility (6M) Calculated over the trailing 6-month period	13.59%	9.73%	+3.86%
Volatility (1Y) Calculated over the trailing 1-year period	15.80%	12.39%	+3.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.27%	16.90%	-1.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.27%	18.05%	-2.78%

TOUS vs. VOO - Expense Ratio Comparison

TOUS has a 0.50% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

TOUS vs. VOO - Dividend Comparison

TOUS's dividend yield for the trailing twelve months is around 1.56%, more than VOO's 1.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TOUS T. Rowe Price International Equity ETF	1.56%	1.74%	3.01%	0.50%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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 TOUS and VOO in my portfolio?

TOUS and VOO have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TOUS or VOO?

TOUS has higher volatility (4.80%) compared to VOO (4.60%). In terms of maximum drawdown, TOUS dropped -14.29% vs VOO's -33.99%.

Which ETF is better, TOUS or VOO?

On 3-year performance, VOO leads with 21.36% vs 18.35% for TOUS. 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, TOUS or VOO?

Over the 3-year period, VOO has performed better with a 21.36% return vs 18.35%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TOUS or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.50% for TOUS.

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

TOUS has the higher dividend yield at 1.56%, compared with 1.04% for VOO.

What is the main difference between TOUS and VOO?

TOUS is categorized as Foreign Large Cap Equities, while VOO is S&P 500. They also come from different issuers: T. Rowe Price and Vanguard. Their fees differ too: 0.50% for TOUS and 0.03% for VOO.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.17 vs 1.61), 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.