IWB vs. IEFA
IWB (iShares Russell 1000 ETF) and IEFA (iShares Core MSCI EAFE ETF) are both exchange-traded funds - IWB is a Large Cap Blend Equities fund tracking the Russell 1000 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, IWB returned 14.97%/yr vs 9.37%/yr for IEFA. A 0.79 correlation means they provide meaningful diversification when combined. IWB charges 0.15%/yr vs 0.07%/yr for IEFA.
Performance
IWB vs. IEFA - Performance Comparison
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Returns By Period
In the year-to-date period, IWB achieves a 8.46% return, which is significantly higher than IEFA's 7.49% return. Over the past 10 years, IWB has outperformed IEFA with an annualized return of 14.97%, while IEFA has yielded a comparatively lower 9.37% annualized return.
IWB
- 1D
- 0.26%
- 1M
- 0.43%
- YTD
- 8.46%
- 6M
- 8.45%
- 1Y
- 23.94%
- 3Y*
- 21.07%
- 5Y*
- 12.59%
- 10Y*
- 14.97%
IEFA
- 1D
- 0.63%
- 1M
- -1.17%
- YTD
- 7.49%
- 6M
- 10.04%
- 1Y
- 19.61%
- 3Y*
- 16.13%
- 5Y*
- 7.82%
- 10Y*
- 9.37%
IWB vs. IEFA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IWB iShares Russell 1000 ETF | 8.46% | 17.18% | 24.32% | 26.39% | -19.19% | 26.32% | 20.77% | 31.06% | -4.90% | 21.52% |
IEFA iShares Core MSCI EAFE ETF | 7.49% | 32.08% | 3.26% | 17.95% | -15.24% | 11.63% | 8.18% | 22.64% | -14.14% | 26.57% |
Correlation
The correlation between IWB and IEFA is 0.77, 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 | 0.77 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.73 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.77 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.78 |
Correlation (All Time) Calculated using the full available price history since Oct 25, 2012 | 0.79 |
The correlation between IWB and IEFA has been stable across timeframes, ranging from 0.73 to 0.79 - a consistent structural relationship.
IWB vs. IEFA - Sectors Allocation Comparison
Sectors
IWB
IEFA
Technology
Financial Services
Communication Services
Consumer Cyclical
Industrials
Healthcare
Consumer Defensive
Energy
Utilities
Real Estate
Basic Materials
Technology
IWB
IEFA
Financial Services
IWB
IEFA
Communication Services
IWB
IEFA
Consumer Cyclical
IWB
IEFA
Industrials
IWB
IEFA
Healthcare
IWB
IEFA
Consumer Defensive
IWB
IEFA
Energy
IWB
IEFA
Utilities
IWB
IEFA
Real Estate
IWB
IEFA
Basic Materials
IWB
IEFA
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Return for Risk
IWB vs. IEFA — Risk / Return Rank
IWB
IEFA
IWB vs. IEFA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell 1000 ETF (IWB) 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.
| IWB | IEFA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.68 | ||
| Sortino ratioReturn per unit of downside risk | +0.80 | ||
| Omega ratioGain probability vs. loss probability | 1.36 | 1.24 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | 2.71 | 1.71 | +1.00 |
| Martin ratioReturn relative to average drawdown | 12.38 | 6.52 | +5.87 |
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
| IWB | IEFA | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.98 | 1.30 | +0.68 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.74 | 0.47 | +0.26 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.83 | 0.54 | +0.28 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.45 | 0.50 | -0.06 |
Drawdowns
IWB vs. IEFA - Drawdown Comparison
The maximum IWB drawdown since its inception was -55.38%, which is greater than IEFA's maximum drawdown of -34.78%. Use the drawdown chart below to compare losses from any high point for IWB and IEFA.
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Drawdown Indicators
| IWB | IEFA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.38% | -34.78% | -20.60% |
Max Drawdown (1Y)Largest decline over 1 year | -8.86% | -11.50% | +2.64% |
Max Drawdown (3Y)Largest decline over 3 years | -19.09% | -13.76% | -5.33% |
Max Drawdown (5Y)Largest decline over 5 years | -25.20% | -30.41% | +5.21% |
Max Drawdown (10Y)Largest decline over 10 years | -34.60% | -34.78% | +0.18% |
Current DrawdownCurrent decline from peak | -2.58% | -2.44% | -0.14% |
Average DrawdownAverage peak-to-trough decline | -10.85% | -6.69% | -4.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.94% | 3.02% | -1.08% |
Volatility
IWB vs. IEFA - Volatility Comparison
The current volatility for iShares Russell 1000 ETF (IWB) is 3.74%, while iShares Core MSCI EAFE ETF (IEFA) has a volatility of 4.54%. This indicates that IWB experiences smaller price fluctuations and is considered to be less risky 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
| IWB | IEFA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.74% | 4.54% | -0.80% |
Volatility (6M)Calculated over the trailing 6-month period | 9.37% | 12.74% | -3.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.20% | 15.22% | -3.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.14% | 16.55% | +0.59% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.16% | 17.32% | +0.84% |
IWB vs. IEFA - Expense Ratio Comparison
IWB has a 0.15% 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
IWB vs. IEFA - Dividend Comparison
IWB's dividend yield for the trailing twelve months is around 0.93%, less than IEFA's 3.30% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEFA iShares Core MSCI EAFE ETF | 3.30% | 3.55% | 3.47% | 3.20% | 2.70% | 3.32% | 1.90% | 3.18% | 3.46% | 2.57% | 2.96% | 2.63% |
IWB iShares Russell 1000 ETF | 0.93% | 1.00% | 1.14% | 1.31% | 1.56% | 1.09% | 1.37% | 1.71% | 2.06% | 1.64% | 1.89% | 1.95% |
Frequently Asked Questions
IWB and IEFA have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IEFA has higher volatility (4.54%) compared to IWB (3.74%). In terms of maximum drawdown, IWB dropped -55.38% vs IEFA's -34.78%.
On 10-year performance, IWB leads with 14.97% vs 9.37% for IEFA. On fees, IEFA is cheaper at 0.07% per year. On volatility, IWB has been the lower-risk option at 3.74%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IWB has performed better with a 14.97% return vs 9.37%. 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 0.15% for IWB.
IEFA has the higher dividend yield at 3.30%, compared with 0.93% for IWB.
IWB is categorized as Large Cap Blend Equities, while IEFA is Foreign Large Cap Equities. IWB tracks Russell 1000 Index, while IEFA tracks MSCI EAFE IMI Index (Net). Their fees differ too: 0.15% for IWB and 0.07% for IEFA.
IWB currently has the higher Sharpe Ratio (1.98 vs 1.30), 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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