BSPPX vs. MDIIX
BSPPX (iShares S&P 500 Index Fund Investor P Shares) and MDIIX (iShares MSCI EAFE International Index Fund) are both mutual funds - BSPPX is a S&P 500 fund tracking the S&P 500 Index, while MDIIX is a Foreign Large Cap Equities fund tracking the MSCI EAFE Index (Net). Both are passively managed. Over the past 5 years, BSPPX returned 13.01%/yr vs 9.24%/yr for MDIIX. Their 0.78 correlation means they have sometimes moved together and sometimes differently. Both charge a 0.35% expense ratio.
Performance
BSPPX vs. MDIIX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with BSPPX having a 13.52% return and MDIIX slightly higher at 13.65%.
BSPPX
- 1D
- 1.79%
- 1M
- 2.67%
- 6M
- 12.85%
- YTD
- 13.52%
- 1Y
- 23.81%
- 3Y*
- 21.16%
- 5Y*
- 13.01%
- 10Y*
- —
- ALL TIME*
- 14.64%
MDIIX
- 1D
- 1.21%
- 1M
- 1.82%
- 6M
- 7.43%
- YTD
- 13.65%
- 1Y
- 25.49%
- 3Y*
- 17.72%
- 5Y*
- 9.24%
- 10Y*
- 9.44%
- ALL TIME*
- 5.75%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
BSPPX vs. MDIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
BSPPX iShares S&P 500 Index Fund Investor P Shares | 13.52% | 17.46% | 24.54% | 25.85% | -18.40% | 28.23% | 18.05% | 31.02% | -13.57% |
MDIIX iShares MSCI EAFE International Index Fund | 13.65% | 31.36% | 3.36% | 18.04% | -14.33% | 10.98% | 7.68% | 21.55% | -13.11% |
Correlation
The correlation between BSPPX and MDIIX is 0.78, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.78 |
Correlation (3Y) Balances recent behavior with more history. | 0.72 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.76 |
Correlation (All Time) Calculated using the full available price history since Sep 28, 2018 | 0.78 |
The correlation between BSPPX and MDIIX has been stable across timeframes, ranging from 0.72 to 0.78 - a consistent structural relationship.
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Return for Risk
BSPPX vs. MDIIX — Risk / Return Rank
BSPPX
MDIIX
BSPPX vs. MDIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Index Fund Investor P Shares (BSPPX) 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.
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.
| BSPPX | MDIIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.18 | ||
| Sortino ratioReturn per unit of downside risk | +0.18 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.29 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.61 | 2.26 | +0.34 |
| Martin ratioReturn relative to average drawdown | 11.15 | 8.52 | +2.63 |
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Drawdowns
BSPPX vs. MDIIX - Drawdown Comparison
The maximum BSPPX drawdown since its inception was -33.76%, smaller than the maximum MDIIX drawdown of -61.26%. Use the drawdown chart below to compare losses from any high point for BSPPX and MDIIX.
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Drawdown Indicators
| BSPPX | MDIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.76% | -61.26% | +27.50% |
Max Drawdown (1Y)Largest decline over 1 year | -8.95% | -11.32% | +2.37% |
Max Drawdown (3Y)Largest decline over 3 years | -18.77% | -13.67% | -5.10% |
Max Drawdown (5Y)Largest decline over 5 years | -24.70% | -29.43% | +4.73% |
Max Drawdown (10Y)Largest decline over 10 years | — | -34.34% | — |
Current DrawdownCurrent decline from peak | 0.00% | 0.00% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -5.15% | -15.48% | +10.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.09% | 3.00% | -0.91% |
Volatility
BSPPX vs. MDIIX - Volatility Comparison
The current volatility for iShares S&P 500 Index Fund Investor P Shares (BSPPX) is 4.13%, while iShares MSCI EAFE International Index Fund (MDIIX) has a volatility of 4.43%. This indicates that BSPPX experiences smaller price fluctuations and is considered to be less risky 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
| BSPPX | MDIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.13% | 4.43% | -0.30% |
Volatility (6M)Calculated over the trailing 6-month period | 10.32% | 13.41% | -3.09% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.93% | 15.75% | -2.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.02% | 16.32% | +0.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.65% | 16.40% | +3.25% |
BSPPX vs. MDIIX - Expense Ratio Comparison
Both BSPPX and MDIIX have an expense ratio of 0.35%.
Dividends
BSPPX vs. MDIIX - Dividend Comparison
BSPPX's dividend yield for the trailing twelve months is around 1.32%, less than MDIIX's 3.07% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSPPX iShares S&P 500 Index Fund Investor P Shares | 1.32% | 1.43% | 1.12% | 1.22% | 1.67% | 1.53% | 1.38% | 1.70% | 1.35% | 0.00% | 0.00% | 0.00% |
MDIIX iShares MSCI EAFE International Index Fund | 3.07% | 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
BSPPX and MDIIX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MDIIX has higher volatility (4.43%) compared to BSPPX (4.13%). In terms of maximum drawdown, BSPPX dropped -33.76% vs MDIIX's -61.26%.
BSPPX currently has the higher Sharpe Ratio (1.81 vs 1.63), 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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