BIDAX vs. DFSMX
Compare and contrast key facts about iShares Municipal Bond Index Fund (BIDAX) and DFA Short Term Municipal Bond Portfolio (DFSMX).
BIDAX is managed by BlackRock. It was launched on Dec 17, 2000. DFSMX is managed by Dimensional. It was launched on Aug 19, 2002.
Performance
BIDAX vs. DFSMX - Performance Comparison
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BIDAX vs. DFSMX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
BIDAX iShares Municipal Bond Index Fund | -0.75% | 4.52% | 1.44% | 5.74% | -9.41% | 1.38% | 4.70% | 7.56% | 1.44% |
DFSMX DFA Short Term Municipal Bond Portfolio | 0.55% | 2.30% | 2.84% | 2.98% | -0.36% | -0.11% | 0.83% | 1.62% | 0.37% |
Returns By Period
In the year-to-date period, BIDAX achieves a -0.75% return, which is significantly lower than DFSMX's 0.55% return.
BIDAX
- 1D
- 0.18%
- 1M
- -2.77%
- YTD
- -0.75%
- 6M
- 0.57%
- 1Y
- 3.58%
- 3Y*
- 2.68%
- 5Y*
- 0.54%
- 10Y*
- —
DFSMX
- 1D
- 0.04%
- 1M
- -0.05%
- YTD
- 0.55%
- 6M
- 1.10%
- 1Y
- 2.45%
- 3Y*
- 2.60%
- 5Y*
- 1.63%
- 10Y*
- 1.23%
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BIDAX vs. DFSMX - Expense Ratio Comparison
BIDAX has a 0.50% expense ratio, which is higher than DFSMX's 0.20% expense ratio.
Return for Risk
BIDAX vs. DFSMX — Risk / Return Rank
BIDAX
DFSMX
BIDAX vs. DFSMX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Municipal Bond Index Fund (BIDAX) and DFA Short Term Municipal Bond Portfolio (DFSMX). 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.
| BIDAX | DFSMX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.90 | 3.68 | -2.78 |
Sortino ratioReturn per unit of downside risk | 1.22 | 6.50 | -5.28 |
Omega ratioGain probability vs. loss probability | 1.26 | 3.20 | -1.94 |
Calmar ratioReturn relative to maximum drawdown | 0.97 | 4.59 | -3.62 |
Martin ratioReturn relative to average drawdown | 3.38 | 21.83 | -18.45 |
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
| BIDAX | DFSMX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.90 | 3.68 | -2.78 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.13 | 2.11 | -1.97 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 1.60 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.48 | 1.78 | -1.30 |
Correlation
The correlation between BIDAX and DFSMX is 0.32, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
BIDAX vs. DFSMX - Dividend Comparison
BIDAX's dividend yield for the trailing twelve months is around 3.14%, more than DFSMX's 2.43% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BIDAX iShares Municipal Bond Index Fund | 3.14% | 4.09% | 3.25% | 2.16% | 1.92% | 2.36% | 2.35% | 3.64% | 0.48% | 0.00% | 0.00% | 0.00% |
DFSMX DFA Short Term Municipal Bond Portfolio | 2.43% | 2.08% | 2.80% | 1.94% | 0.63% | 0.19% | 0.83% | 1.22% | 1.11% | 0.95% | 0.94% | 0.95% |
Drawdowns
BIDAX vs. DFSMX - Drawdown Comparison
The maximum BIDAX drawdown since its inception was -14.39%, which is greater than DFSMX's maximum drawdown of -2.66%. Use the drawdown chart below to compare losses from any high point for BIDAX and DFSMX.
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Drawdown Indicators
| BIDAX | DFSMX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.39% | -2.66% | -11.73% |
Max Drawdown (1Y)Largest decline over 1 year | -4.83% | -0.39% | -4.44% |
Max Drawdown (5Y)Largest decline over 5 years | -14.39% | -1.67% | -12.72% |
Max Drawdown (10Y)Largest decline over 10 years | — | -1.69% | — |
Current DrawdownCurrent decline from peak | -2.77% | -0.06% | -2.71% |
Average DrawdownAverage peak-to-trough decline | -3.56% | -0.24% | -3.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.39% | 0.10% | +1.29% |
Volatility
BIDAX vs. DFSMX - Volatility Comparison
iShares Municipal Bond Index Fund (BIDAX) has a higher volatility of 1.08% compared to DFA Short Term Municipal Bond Portfolio (DFSMX) at 0.11%. This indicates that BIDAX's price experiences larger fluctuations and is considered to be riskier than DFSMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BIDAX | DFSMX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.08% | 0.11% | +0.97% |
Volatility (6M)Calculated over the trailing 6-month period | 1.66% | 0.37% | +1.29% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.82% | 0.68% | +4.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.04% | 0.78% | +3.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.46% | 0.77% | +3.69% |