IEFA vs. VSS
IEFA (iShares Core MSCI EAFE ETF) and VSS (Vanguard FTSE All-World ex-US Small-Cap ETF) are both exchange-traded funds - IEFA is a Foreign Large Cap Equities fund tracking the MSCI EAFE IMI Index (Net), while VSS is a Foreign Small & Mid Cap Equities fund tracking the FTSE Global Small Cap ex US Index. Both are passively managed. Over the past 10 years, IEFA returned 9.22%/yr vs 8.07%/yr for VSS. Their correlation of 0.92 suggests significant overlap in exposure. Both charge a 0.07% expense ratio.
Performance
IEFA vs. VSS - Performance Comparison
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Returns By Period
In the year-to-date period, IEFA achieves a 8.85% return, which is significantly lower than VSS's 10.57% return. Over the past 10 years, IEFA has outperformed VSS with an annualized return of 9.22%, while VSS has yielded a comparatively lower 8.07% annualized return.
IEFA
- 1D
- -0.78%
- 1M
- 3.43%
- YTD
- 8.85%
- 6M
- 11.45%
- 1Y
- 22.00%
- 3Y*
- 16.72%
- 5Y*
- 8.07%
- 10Y*
- 9.22%
VSS
- 1D
- -1.12%
- 1M
- 1.27%
- YTD
- 10.57%
- 6M
- 13.10%
- 1Y
- 27.32%
- 3Y*
- 16.67%
- 5Y*
- 5.76%
- 10Y*
- 8.07%
IEFA vs. VSS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IEFA iShares Core MSCI EAFE ETF | 8.85% | 32.08% | 3.26% | 17.95% | -15.24% | 11.63% | 8.18% | 22.64% | -14.14% | 26.57% |
VSS Vanguard FTSE All-World ex-US Small-Cap ETF | 10.57% | 29.61% | 2.94% | 15.52% | -21.48% | 13.05% | 11.81% | 21.36% | -18.48% | 30.61% |
Correlation
The correlation between IEFA and VSS is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.90 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Oct 25, 2012 | 0.92 |
The correlation between IEFA and VSS has been stable across timeframes, ranging from 0.90 to 0.93 - a consistent structural relationship.
IEFA vs. VSS - Sectors Allocation Comparison
Sectors
IEFA
VSS
Financial Services
Industrials
Technology
Healthcare
Consumer Cyclical
Basic Materials
Consumer Defensive
Communication Services
Energy
Utilities
Real Estate
Financial Services
IEFA
VSS
Industrials
IEFA
VSS
Technology
IEFA
VSS
Healthcare
IEFA
VSS
Consumer Cyclical
IEFA
VSS
Basic Materials
IEFA
VSS
Consumer Defensive
IEFA
VSS
Communication Services
IEFA
VSS
Energy
IEFA
VSS
Utilities
IEFA
VSS
Real Estate
IEFA
VSS
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Return for Risk
IEFA vs. VSS — Risk / Return Rank
IEFA
VSS
IEFA vs. VSS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core MSCI EAFE ETF (IEFA) and Vanguard FTSE All-World ex-US Small-Cap ETF (VSS). 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.
| IEFA | VSS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.37 | ||
| Sortino ratioReturn per unit of downside risk | -0.40 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.34 | -0.07 |
| Calmar ratioReturn relative to maximum drawdown | 1.92 | 2.36 | -0.44 |
| Martin ratioReturn relative to average drawdown | 7.34 | 9.13 | -1.79 |
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
| IEFA | VSS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.48 | 1.85 | -0.37 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.49 | 0.35 | +0.14 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.53 | 0.47 | +0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | 0.55 | -0.04 |
Drawdowns
IEFA vs. VSS - Drawdown Comparison
The maximum IEFA drawdown since its inception was -34.78%, smaller than the maximum VSS drawdown of -43.51%. Use the drawdown chart below to compare losses from any high point for IEFA and VSS.
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Drawdown Indicators
| IEFA | VSS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.78% | -43.51% | +8.73% |
Max Drawdown (1Y)Largest decline over 1 year | -11.50% | -11.62% | +0.12% |
Max Drawdown (3Y)Largest decline over 3 years | -13.76% | -15.73% | +1.97% |
Max Drawdown (5Y)Largest decline over 5 years | -30.41% | -33.93% | +3.52% |
Max Drawdown (10Y)Largest decline over 10 years | -34.78% | -43.51% | +8.73% |
Current DrawdownCurrent decline from peak | -1.20% | -2.58% | +1.38% |
Average DrawdownAverage peak-to-trough decline | -6.69% | -9.64% | +2.95% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.01% | 3.00% | +0.01% |
Volatility
IEFA vs. VSS - Volatility Comparison
The current volatility for iShares Core MSCI EAFE ETF (IEFA) is 4.86%, while Vanguard FTSE All-World ex-US Small-Cap ETF (VSS) has a volatility of 5.33%. This indicates that IEFA experiences smaller price fluctuations and is considered to be less risky than VSS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IEFA | VSS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.86% | 5.33% | -0.47% |
Volatility (6M)Calculated over the trailing 6-month period | 12.42% | 12.64% | -0.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.96% | 14.81% | +0.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.51% | 16.46% | +0.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.30% | 17.27% | +0.03% |
IEFA vs. VSS - Expense Ratio Comparison
Both IEFA and VSS have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IEFA vs. VSS - Dividend Comparison
IEFA's dividend yield for the trailing twelve months is around 3.26%, more than VSS's 3.07% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEFA iShares Core MSCI EAFE ETF | 3.26% | 3.55% | 3.47% | 3.20% | 2.70% | 3.32% | 1.90% | 3.18% | 3.46% | 2.57% | 2.96% | 2.63% |
VSS Vanguard FTSE All-World ex-US Small-Cap ETF | 3.07% | 3.39% | 3.44% | 3.14% | 2.30% | 2.74% | 1.90% | 3.25% | 2.80% | 2.83% | 2.93% | 2.66% |
Frequently Asked Questions
With a correlation of 0.90, IEFA and VSS 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.
VSS has higher volatility (5.33%) compared to IEFA (4.86%). In terms of maximum drawdown, IEFA dropped -34.78% vs VSS's -43.51%.
On 10-year performance, IEFA leads with 9.22% vs 8.07% for VSS. Both ETFs have the same 0.07% expense ratio. On volatility, IEFA has been the lower-risk option at 4.86%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IEFA has performed better with a 9.22% return vs 8.07%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IEFA and VSS have the same expense ratio: 0.07% per year.
IEFA has the higher dividend yield at 3.26%, compared with 3.07% for VSS.
IEFA is categorized as Foreign Large Cap Equities, while VSS is Foreign Small & Mid Cap Equities. IEFA tracks MSCI EAFE IMI Index (Net), while VSS tracks FTSE Global Small Cap ex US Index. They also come from different issuers: iShares and Vanguard.
VSS currently has the higher Sharpe Ratio (1.85 vs 1.48), 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.
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