IWM vs. IEFA
IWM (iShares Russell 2000 ETF) and IEFA (iShares Core MSCI EAFE ETF) are both exchange-traded funds - IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index, while IEFA is a Foreign Large Cap Equities fund tracking the MSCI EAFE IMI Index (Net). Both are passively managed. Over the past 10 years, IWM returned 11.27%/yr vs 9.90%/yr for IEFA. A 0.72 correlation means they provide meaningful diversification when combined. IWM charges 0.19%/yr vs 0.07%/yr for IEFA.
Performance
IWM vs. IEFA - Performance Comparison
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Returns By Period
In the year-to-date period, IWM achieves a 19.22% return, which is significantly higher than IEFA's 9.51% return. Over the past 10 years, IWM has outperformed IEFA with an annualized return of 11.27%, while IEFA has yielded a comparatively lower 9.90% annualized return.
IWM
- 1D
- 0.87%
- 1M
- 3.64%
- YTD
- 19.22%
- 6M
- 16.00%
- 1Y
- 39.16%
- 3Y*
- 17.23%
- 5Y*
- 6.07%
- 10Y*
- 11.27%
IEFA
- 1D
- 0.18%
- 1M
- 0.85%
- YTD
- 9.51%
- 6M
- 11.08%
- 1Y
- 20.89%
- 3Y*
- 16.31%
- 5Y*
- 8.10%
- 10Y*
- 9.90%
IWM vs. IEFA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IWM iShares Russell 2000 ETF | 19.22% | 12.66% | 11.38% | 16.83% | -20.48% | 14.54% | 20.03% | 25.39% | -11.12% | 14.58% |
IEFA iShares Core MSCI EAFE ETF | 9.51% | 32.08% | 3.26% | 17.95% | -15.24% | 11.63% | 8.18% | 22.64% | -14.14% | 26.57% |
Correlation
The correlation between IWM and IEFA is 0.72, 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 | 0.72 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.70 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.73 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.72 |
Correlation (All Time) Calculated using the full available price history since Oct 24, 2012 | 0.72 |
The correlation between IWM and IEFA has been stable across timeframes, ranging from 0.70 to 0.73 - a consistent structural relationship.
IWM vs. IEFA - Sectors Allocation Comparison
Sectors
IWM
IEFA
Technology
Industrials
Healthcare
Financial Services
Consumer Cyclical
Energy
Real Estate
Basic Materials
Utilities
Consumer Defensive
Communication Services
Technology
IWM
IEFA
Industrials
IWM
IEFA
Healthcare
IWM
IEFA
Financial Services
IWM
IEFA
Consumer Cyclical
IWM
IEFA
Energy
IWM
IEFA
Real Estate
IWM
IEFA
Basic Materials
IWM
IEFA
Utilities
IWM
IEFA
Consumer Defensive
IWM
IEFA
Communication Services
IWM
IEFA
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Return for Risk
IWM vs. IEFA — Risk / Return Rank
IWM
IEFA
IWM vs. IEFA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 ETF (IWM) and iShares Core MSCI EAFE ETF (IEFA). 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.
| IWM | IEFA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.64 | ||
| Sortino ratioReturn per unit of downside risk | +0.78 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.25 | +0.08 |
| Calmar ratioReturn relative to maximum drawdown | 3.57 | 1.83 | +1.74 |
| Martin ratioReturn relative to average drawdown | 12.63 | 6.93 | +5.69 |
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Drawdowns
IWM vs. IEFA - Drawdown Comparison
The maximum IWM drawdown since its inception was -59.05%, which is greater than IEFA's maximum drawdown of -34.78%. Use the drawdown chart below to compare losses from any high point for IWM and IEFA.
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Drawdown Indicators
| IWM | IEFA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.05% | -34.78% | -24.27% |
Max Drawdown (1Y)Largest decline over 1 year | -11.03% | -11.50% | +0.47% |
Max Drawdown (3Y)Largest decline over 3 years | -27.50% | -13.76% | -13.74% |
Max Drawdown (5Y)Largest decline over 5 years | -31.91% | -30.41% | -1.50% |
Max Drawdown (10Y)Largest decline over 10 years | -41.13% | -34.78% | -6.35% |
Current DrawdownCurrent decline from peak | 0.00% | -0.60% | +0.60% |
Average DrawdownAverage peak-to-trough decline | -10.76% | -6.68% | -4.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.12% | 3.03% | +0.09% |
Volatility
IWM vs. IEFA - Volatility Comparison
iShares Russell 2000 ETF (IWM) has a higher volatility of 7.16% compared to iShares Core MSCI EAFE ETF (IEFA) at 5.50%. This indicates that IWM's price experiences larger fluctuations and is considered to be riskier than IEFA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IWM | IEFA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.16% | 5.50% | +1.66% |
Volatility (6M)Calculated over the trailing 6-month period | 14.29% | 13.11% | +1.18% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.73% | 15.54% | +4.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.61% | 16.61% | +6.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.08% | 17.31% | +5.77% |
IWM vs. IEFA - Expense Ratio Comparison
IWM has a 0.19% expense ratio, which is higher than IEFA's 0.07% 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
IWM vs. IEFA - Dividend Comparison
IWM's dividend yield for the trailing twelve months is around 0.87%, less than IEFA's 3.24% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEFA iShares Core MSCI EAFE ETF | 3.24% | 3.55% | 3.47% | 3.20% | 2.70% | 3.32% | 1.90% | 3.18% | 3.46% | 2.57% | 2.96% | 2.63% |
IWM iShares Russell 2000 ETF | 0.87% | 1.04% | 1.15% | 1.35% | 1.48% | 0.94% | 1.04% | 1.26% | 1.40% | 1.26% | 1.38% | 1.54% |
Frequently Asked Questions
IWM and IEFA have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IWM has higher volatility (7.16%) compared to IEFA (5.50%). In terms of maximum drawdown, IWM dropped -59.05% vs IEFA's -34.78%.
On 10-year performance, IWM leads with 11.27% vs 9.90% for IEFA. On fees, IEFA is cheaper at 0.07% per year. On volatility, IEFA has been the lower-risk option at 5.50%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IWM has performed better with a 11.27% return vs 9.90%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IEFA is cheaper with a 0.07% expense ratio, compared with 0.19% for IWM.
IEFA has the higher dividend yield at 3.24%, compared with 0.87% for IWM.
IWM is categorized as Small Cap Blend Equities, while IEFA is Foreign Large Cap Equities. IWM tracks Russell 2000 Index, while IEFA tracks MSCI EAFE IMI Index (Net). Their fees differ too: 0.19% for IWM and 0.07% for IEFA.
IWM currently has the higher Sharpe Ratio (1.99 vs 1.35), 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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