BDOAX vs. MDIIX
BDOAX (iShares MSCI Total International Index Fund Class A) and MDIIX (iShares MSCI EAFE International Index Fund) are both mutual funds - BDOAX is a International Equity fund tracking the MSCI All Country World ex US Index (Net TR) (USD), while MDIIX is a Foreign Large Cap Equities fund tracking the MSCI EAFE Index (Net). Both are passively managed. Over the past 10 years, BDOAX returned 9.36%/yr vs 9.08%/yr for MDIIX. With a 0.97 correlation, they move nearly in lockstep. BDOAX charges 0.41%/yr vs 0.35%/yr for MDIIX.
Performance
BDOAX vs. MDIIX - Performance Comparison
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Returns By Period
In the year-to-date period, BDOAX achieves a 15.78% return, which is significantly higher than MDIIX's 9.48% return. Both investments have delivered pretty close results over the past 10 years, with BDOAX having a 9.36% annualized return and MDIIX not far behind at 9.08%.
BDOAX
- 1D
- 0.77%
- 1M
- 6.17%
- YTD
- 15.78%
- 6M
- 18.44%
- 1Y
- 33.46%
- 3Y*
- 19.64%
- 5Y*
- 8.45%
- 10Y*
- 9.36%
MDIIX
- 1D
- 0.33%
- 1M
- 4.11%
- YTD
- 9.48%
- 6M
- 11.87%
- 1Y
- 22.11%
- 3Y*
- 16.86%
- 5Y*
- 8.60%
- 10Y*
- 9.08%
BDOAX vs. MDIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BDOAX iShares MSCI Total International Index Fund Class A | 15.78% | 32.20% | 5.02% | 14.81% | -16.63% | 7.36% | 10.47% | 20.81% | -14.19% | 26.16% |
MDIIX iShares MSCI EAFE International Index Fund | 9.48% | 31.36% | 3.36% | 18.04% | -14.33% | 10.98% | 7.68% | 21.55% | -13.62% | 24.84% |
Correlation
The correlation between BDOAX and MDIIX is 0.95 - 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 | 0.95 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.96 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.97 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.96 |
Correlation (All Time) Calculated using the full available price history since Jul 1, 2011 | 0.97 |
The correlation between BDOAX and MDIIX has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.
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Return for Risk
BDOAX vs. MDIIX — Risk / Return Rank
BDOAX
MDIIX
BDOAX vs. MDIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares MSCI Total International Index Fund Class A (BDOAX) and iShares MSCI EAFE International Index Fund (MDIIX). 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.
| BDOAX | MDIIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.85 | ||
| Sortino ratioReturn per unit of downside risk | +1.03 | ||
| Omega ratioGain probability vs. loss probability | 1.42 | 1.26 | +0.16 |
| Calmar ratioReturn relative to maximum drawdown | 2.90 | 1.88 | +1.03 |
| Martin ratioReturn relative to average drawdown | 11.40 | 7.01 | +4.39 |
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
| BDOAX | MDIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.26 | 1.41 | +0.85 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.55 | 0.53 | +0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.58 | 0.55 | +0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.36 | 0.30 | +0.06 |
Drawdowns
BDOAX vs. MDIIX - Drawdown Comparison
The maximum BDOAX drawdown since its inception was -35.53%, smaller than the maximum MDIIX drawdown of -61.26%. Use the drawdown chart below to compare losses from any high point for BDOAX and MDIIX.
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Drawdown Indicators
| BDOAX | MDIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.53% | -61.26% | +25.73% |
Max Drawdown (1Y)Largest decline over 1 year | -11.37% | -11.32% | -0.05% |
Max Drawdown (3Y)Largest decline over 3 years | -13.54% | -13.67% | +0.13% |
Max Drawdown (5Y)Largest decline over 5 years | -30.54% | -29.43% | -1.11% |
Max Drawdown (10Y)Largest decline over 10 years | -35.53% | -34.34% | -1.19% |
Current DrawdownCurrent decline from peak | 0.00% | -0.47% | +0.47% |
Average DrawdownAverage peak-to-trough decline | -8.72% | -15.57% | +6.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.89% | 3.03% | -0.14% |
Volatility
BDOAX vs. MDIIX - Volatility Comparison
iShares MSCI Total International Index Fund Class A (BDOAX) has a higher volatility of 5.03% compared to iShares MSCI EAFE International Index Fund (MDIIX) at 4.67%. This indicates that BDOAX's price experiences larger fluctuations and is considered to be riskier than MDIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BDOAX | MDIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.03% | 4.67% | +0.36% |
Volatility (6M)Calculated over the trailing 6-month period | 12.26% | 12.20% | +0.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.62% | 15.06% | -0.44% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.45% | 16.17% | -0.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.26% | 16.65% | -0.39% |
BDOAX vs. MDIIX - Expense Ratio Comparison
BDOAX has a 0.41% expense ratio, which is higher than MDIIX's 0.35% expense ratio.
Dividends
BDOAX vs. MDIIX - Dividend Comparison
BDOAX's dividend yield for the trailing twelve months is around 2.32%, less than MDIIX's 3.19% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BDOAX iShares MSCI Total International Index Fund Class A | 2.32% | 2.84% | 2.62% | 2.74% | 2.61% | 2.46% | 1.79% | 2.85% | 3.05% | 1.65% | 3.33% | 3.78% |
MDIIX iShares MSCI EAFE International Index Fund | 3.19% | 3.49% | 3.15% | 2.94% | 2.52% | 2.78% | 1.72% | 3.05% | 4.24% | 2.21% | 2.60% | 1.94% |
Frequently Asked Questions
With a correlation of 0.95, BDOAX and MDIIX 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.
BDOAX has higher volatility (5.03%) compared to MDIIX (4.67%). In terms of maximum drawdown, BDOAX dropped -35.53% vs MDIIX's -61.26%.
BDOAX currently has the higher Sharpe Ratio (2.26 vs 1.41), 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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