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TOUS vs. IDEV
Performance
Return for Risk
Drawdowns
Volatility
Dividends

TOUS vs. IDEV

Last updated Jun 5, 2026

TOUS (T. Rowe Price International Equity ETF) and IDEV (iShares Core MSCI International Developed Markets ETF) are both Foreign Large Cap Equities funds. TOUS is actively managed, while IDEV is passively managed. Over the past year, TOUS returned 21.92% vs 23.60% for IDEV. With a 0.97 correlation, they move nearly in lockstep. TOUS charges 0.50%/yr vs 0.05%/yr for IDEV.

Performance

TOUS vs. IDEV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price International Equity ETF (TOUS) and iShares Core MSCI International Developed Markets ETF (IDEV). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

The year-to-date returns for both stocks are quite close, with TOUS having a 10.20% return and IDEV slightly lower at 9.80%.

TOUS

1D
0.80%
1M
4.65%
YTD
10.20%
6M
12.42%
1Y
21.92%
3Y*
—
5Y*
—
10Y*
—

IDEV

1D
0.80%
1M
2.86%
YTD
9.80%
6M
12.08%
1Y
23.60%
3Y*
17.92%
5Y*
8.66%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

TOUS vs. IDEV - Yearly Performance Comparison

2026 (YTD)202520242023
TOUS
T. Rowe Price International Equity ETF		10.20%34.00%3.63%3.38%
IDEV
iShares Core MSCI International Developed Markets ETF		9.80%32.56%4.54%4.18%

Correlation

The correlation between TOUS and IDEV is 0.98 - 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

0.98

Correlation (All Time)
Calculated using the full available price history since Jun 16, 2023

0.97

The correlation between TOUS and IDEV has been stable across timeframes, ranging from 0.97 to 0.98 - a consistent structural relationship.

TOUS vs. IDEV - Sectors Allocation Comparison

Sectors
TOUS
IDEV

Financial Services

22.2%
24.2%

Industrials

19.7%
19.1%

Technology

13.0%
9.9%

Healthcare

10.1%
8.6%

Consumer Cyclical

7.3%
7.7%

Consumer Defensive

6.9%
6.0%

Basic Materials

5.5%
8.0%

Energy

5.5%
5.9%

Communication Services

4.6%
4.0%

Utilities

3.4%
3.7%

Real Estate

1.9%
2.9%

Financial Services

TOUS
22.2%
IDEV
24.2%

Industrials

TOUS
19.7%
IDEV
19.1%

Technology

TOUS
13.0%
IDEV
9.9%

Healthcare

TOUS
10.1%
IDEV
8.6%

Consumer Cyclical

TOUS
7.3%
IDEV
7.7%

Consumer Defensive

TOUS
6.9%
IDEV
6.0%

Basic Materials

TOUS
5.5%
IDEV
8.0%

Energy

TOUS
5.5%
IDEV
5.9%

Communication Services

TOUS
4.6%
IDEV
4.0%

Utilities

TOUS
3.4%
IDEV
3.7%

Real Estate

TOUS
1.9%
IDEV
2.9%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

T. Rowe Price International Equity ETF

iShares Core MSCI International Developed Markets ETF

Often compared with TOUS:
TOUS vs. VXUSTOUS vs. GPIQTOUS vs. PRWCXTOUS vs. VOOTOUS vs. VYMITOUS vs. TSPATOUS vs. TCAF
Often compared with IDEV:
IDEV vs. VYMIIDEV vs. VEAIDEV vs. IEFAIDEV vs. IXUSIDEV vs. SCHFIDEV vs. FDEVIDEV vs. VEU

Return for Risk

TOUS vs. IDEV — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
TOUS
TOUS Risk / Return Rank: 4141
Overall Rank
TOUS Sharpe Ratio Rank: 4242
Sharpe Ratio Rank
TOUS Sortino Ratio Rank: 4242
Sortino Ratio Rank
TOUS Omega Ratio Rank: 4242
Omega Ratio Rank
TOUS Calmar Ratio Rank: 3737
Calmar Ratio Rank
TOUS Martin Ratio Rank: 4141
Martin Ratio Rank
IDEV
IDEV Risk / Return Rank: 4747
Overall Rank
IDEV Sharpe Ratio Rank: 4848
Sharpe Ratio Rank
IDEV Sortino Ratio Rank: 4848
Sortino Ratio Rank
IDEV Omega Ratio Rank: 4848
Omega Ratio Rank
IDEV Calmar Ratio Rank: 4343
Calmar Ratio Rank
IDEV Martin Ratio Rank: 5050
Martin Ratio Rank
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. IDEV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price International Equity ETF (TOUS) and iShares Core MSCI International Developed Markets ETF (IDEV). 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.

TOUSIDEVDifference
Sharpe ratioReturn per unit of total volatility
1.44
1.63

-0.20

Sortino ratioReturn per unit of downside risk
2.12
2.32

-0.21

Omega ratioGain probability vs. loss probability

1.27

1.29

-0.03

Calmar ratioReturn relative to maximum drawdown

1.80

2.12

-0.32

Martin ratioReturn relative to average drawdown

6.55

8.30

-1.74

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TOUS vs. IDEV - Sharpe Ratio Comparison

The current TOUS Sharpe Ratio is 1.44, which is comparable to the IDEV Sharpe Ratio of 1.63. The chart below compares the historical Sharpe Ratios of TOUS and IDEV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

TOUSIDEVDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.44

1.63

-0.20

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

—

0.54

—

Sharpe Ratio (All Time)

Calculated using the full available price history

1.11

0.55

+0.56

Drawdowns

TOUS vs. IDEV - Drawdown Comparison

The maximum TOUS drawdown since its inception was -14.29%, smaller than the maximum IDEV drawdown of -34.77%. Use the drawdown chart below to compare losses from any high point for TOUS and IDEV.

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Drawdown Indicators

TOUSIDEVDifference

Max Drawdown

Largest peak-to-trough decline

-14.29%

-34.77%

+20.48%

Max Drawdown (1Y)

Largest decline over 1 year

-12.23%

-11.20%

-1.03%

Max Drawdown (3Y)

Largest decline over 3 years

—

-13.41%

—

Max Drawdown (5Y)

Largest decline over 5 years

—

-29.15%

—

Current Drawdown

Current decline from peak

-0.21%

-0.19%

-0.02%

Average Drawdown

Average peak-to-trough decline

-2.83%

-6.56%

+3.73%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.35%

2.85%

+0.50%

Volatility

TOUS vs. IDEV - Volatility Comparison

T. Rowe Price International Equity ETF (TOUS) has a higher volatility of 5.12% compared to iShares Core MSCI International Developed Markets ETF (IDEV) at 4.53%. This indicates that TOUS's price experiences larger fluctuations and is considered to be riskier than IDEV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

TOUSIDEVDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.12%

4.53%

+0.59%

Volatility (6M)

Calculated over the trailing 6-month period

13.02%

12.12%

+0.90%

Volatility (1Y)

Calculated over the trailing 1-year period

15.30%

14.50%

+0.80%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.18%

16.26%

-1.08%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

15.18%

17.27%

-2.09%

TOUS vs. IDEV - Expense Ratio Comparison

TOUS has a 0.50% expense ratio, which is higher than IDEV's 0.05% expense ratio.

Dividends

TOUS vs. IDEV - Dividend Comparison

TOUS's dividend yield for the trailing twelve months is around 1.58%, less than IDEV's 3.10% yield.

PositionTTM202520242023202220212020201920182017
IDEV
iShares Core MSCI International Developed Markets ETF		3.10%3.40%3.30%3.07%2.69%3.05%2.00%3.18%3.16%1.54%
TOUS
T. Rowe Price International Equity ETF		1.58%1.74%3.01%0.50%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

With a correlation of 0.98, TOUS and IDEV 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.

TOUS has higher volatility (5.12%) compared to IDEV (4.53%). In terms of maximum drawdown, TOUS dropped -14.29% vs IDEV's -34.77%.

On 1-year performance, IDEV leads with 23.60% vs 21.92% for TOUS. On fees, IDEV is cheaper at 0.05% per year. On volatility, IDEV has been the lower-risk option at 4.53%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 1-year period, IDEV has performed better with a 23.60% return vs 21.92%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

IDEV is cheaper with a 0.05% expense ratio, compared with 0.50% for TOUS.

IDEV has the higher dividend yield at 3.10%, compared with 1.58% for TOUS.

They also come from different issuers: T. Rowe Price and iShares. Their fees differ too: 0.50% for TOUS and 0.05% for IDEV.

IDEV currently has the higher Sharpe Ratio (1.63 vs 1.44), 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.

Portfolio Optimizer

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