IDEV vs. VOO
Compare and contrast key facts about iShares Core MSCI International Developed Markets ETF (IDEV) and Vanguard S&P 500 ETF (VOO).
IDEV and VOO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IDEV is a passively managed fund by iShares that tracks the performance of the MSCI World ex USA Investable Market Index. It was launched on Mar 21, 2017. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010. Both IDEV and VOO 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
IDEV vs. VOO - Performance Comparison
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IDEV vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IDEV iShares Core MSCI International Developed Markets ETF | 1.32% | 32.56% | 4.54% | 17.36% | -14.99% | 13.00% | 8.32% | 23.12% | -14.10% | 17.29% |
VOO Vanguard S&P 500 ETF | -4.42% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 15.85% |
Returns By Period
In the year-to-date period, IDEV achieves a 1.32% return, which is significantly higher than VOO's -4.42% return.
IDEV
- 1D
- 3.16%
- 1M
- -7.78%
- YTD
- 1.32%
- 6M
- 6.19%
- 1Y
- 25.70%
- 3Y*
- 15.12%
- 5Y*
- 8.28%
- 10Y*
- —
VOO
- 1D
- 2.86%
- 1M
- -5.01%
- YTD
- -4.42%
- 6M
- -1.84%
- 1Y
- 17.67%
- 3Y*
- 18.27%
- 5Y*
- 11.75%
- 10Y*
- 14.05%
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IDEV vs. VOO - Expense Ratio Comparison
IDEV has a 0.05% 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%.
Return for Risk
IDEV vs. VOO — Risk / Return Rank
IDEV
VOO
IDEV vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core MSCI International Developed Markets ETF (IDEV) 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.
| IDEV | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.51 | 0.98 | +0.53 |
Sortino ratioReturn per unit of downside risk | 2.11 | 1.50 | +0.62 |
Omega ratioGain probability vs. loss probability | 1.31 | 1.23 | +0.08 |
Calmar ratioReturn relative to maximum drawdown | 2.21 | 1.53 | +0.67 |
Martin ratioReturn relative to average drawdown | 8.73 | 7.29 | +1.44 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| IDEV | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.51 | 0.98 | +0.53 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.52 | 0.70 | -0.19 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.78 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | 0.83 | -0.32 |
Correlation
The correlation between IDEV and VOO is 0.79, 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
IDEV vs. VOO - Dividend Comparison
IDEV's dividend yield for the trailing twelve months is around 3.36%, more than VOO's 1.19% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IDEV iShares Core MSCI International Developed Markets ETF | 3.36% | 3.40% | 3.30% | 3.07% | 2.69% | 3.05% | 2.00% | 3.18% | 3.16% | 1.54% | 0.00% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.19% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Drawdowns
IDEV vs. VOO - Drawdown Comparison
The maximum IDEV drawdown since its inception was -34.77%, roughly equal to the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for IDEV and VOO.
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Drawdown Indicators
| IDEV | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.77% | -33.99% | -0.78% |
Max Drawdown (1Y)Largest decline over 1 year | -11.20% | -11.98% | +0.78% |
Max Drawdown (5Y)Largest decline over 5 years | -29.15% | -24.52% | -4.63% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.99% | — |
Current DrawdownCurrent decline from peak | -7.89% | -6.29% | -1.60% |
Average DrawdownAverage peak-to-trough decline | -6.64% | -3.72% | -2.92% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.83% | 2.52% | +0.31% |
Volatility
IDEV vs. VOO - Volatility Comparison
iShares Core MSCI International Developed Markets ETF (IDEV) has a higher volatility of 7.65% compared to Vanguard S&P 500 ETF (VOO) at 5.29%. This indicates that IDEV'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.
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Volatility by Period
| IDEV | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.65% | 5.29% | +2.36% |
Volatility (6M)Calculated over the trailing 6-month period | 10.90% | 9.44% | +1.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.11% | 18.10% | -0.99% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.12% | 16.82% | -0.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.26% | 17.99% | -0.73% |