BDBKX vs. DFISX
Compare and contrast key facts about iShares Russell 2000 Small-Cap Index Fund Class K (BDBKX) and DFA International Small Company Portfolio (DFISX).
BDBKX is a passively managed fund by iShares that tracks the performance of the Russell 2000 Index. It was launched on Apr 1, 2011. DFISX is managed by Dimensional. It was launched on Sep 30, 1996.
Performance
BDBKX vs. DFISX - Performance Comparison
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BDBKX vs. DFISX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BDBKX iShares Russell 2000 Small-Cap Index Fund Class K | -2.46% | 12.81% | 11.40% | 17.04% | -20.32% | 14.59% | 20.02% | 25.66% | -11.01% | 14.71% |
DFISX DFA International Small Company Portfolio | -1.97% | 36.35% | 3.76% | 14.46% | -17.13% | 10.71% | 9.27% | 24.18% | -19.42% | 24.78% |
Returns By Period
In the year-to-date period, BDBKX achieves a -2.46% return, which is significantly lower than DFISX's -1.97% return. Over the past 10 years, BDBKX has outperformed DFISX with an annualized return of 9.49%, while DFISX has yielded a comparatively lower 7.66% annualized return.
BDBKX
- 1D
- -1.43%
- 1M
- -8.15%
- YTD
- -2.46%
- 6M
- -0.33%
- 1Y
- 21.55%
- 3Y*
- 11.76%
- 5Y*
- 3.06%
- 10Y*
- 9.49%
DFISX
- 1D
- -0.34%
- 1M
- -11.77%
- YTD
- -1.97%
- 6M
- 2.11%
- 1Y
- 26.89%
- 3Y*
- 14.28%
- 5Y*
- 6.58%
- 10Y*
- 7.66%
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BDBKX vs. DFISX - Expense Ratio Comparison
BDBKX has a 0.07% expense ratio, which is lower than DFISX's 0.39% expense ratio.
Return for Risk
BDBKX vs. DFISX — Risk / Return Rank
BDBKX
DFISX
BDBKX vs. DFISX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 Small-Cap Index Fund Class K (BDBKX) and DFA International Small Company Portfolio (DFISX). 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.
| BDBKX | DFISX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.91 | 1.66 | -0.75 |
Sortino ratioReturn per unit of downside risk | 1.40 | 2.15 | -0.75 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.33 | -0.15 |
Calmar ratioReturn relative to maximum drawdown | 1.33 | 2.04 | -0.71 |
Martin ratioReturn relative to average drawdown | 5.03 | 7.97 | -2.94 |
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
| BDBKX | DFISX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.91 | 1.66 | -0.75 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.13 | 0.42 | -0.29 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.40 | 0.48 | -0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.38 | 0.44 | -0.06 |
Correlation
The correlation between BDBKX and DFISX is 0.69, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
BDBKX vs. DFISX - Dividend Comparison
BDBKX's dividend yield for the trailing twelve months is around 3.25%, more than DFISX's 3.21% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BDBKX iShares Russell 2000 Small-Cap Index Fund Class K | 3.25% | 3.17% | 4.84% | 2.96% | 1.76% | 7.67% | 1.45% | 3.47% | 4.29% | 3.18% | 4.62% | 3.64% |
DFISX DFA International Small Company Portfolio | 3.21% | 3.19% | 3.39% | 3.01% | 3.51% | 3.06% | 1.71% | 4.54% | 7.74% | 1.27% | 4.44% | 4.47% |
Drawdowns
BDBKX vs. DFISX - Drawdown Comparison
The maximum BDBKX drawdown since its inception was -41.66%, smaller than the maximum DFISX drawdown of -60.66%. Use the drawdown chart below to compare losses from any high point for BDBKX and DFISX.
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Drawdown Indicators
| BDBKX | DFISX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.66% | -60.66% | +19.00% |
Max Drawdown (1Y)Largest decline over 1 year | -13.89% | -11.96% | -1.93% |
Max Drawdown (5Y)Largest decline over 5 years | -31.96% | -35.06% | +3.10% |
Max Drawdown (10Y)Largest decline over 10 years | -41.66% | -43.00% | +1.34% |
Current DrawdownCurrent decline from peak | -10.97% | -11.77% | +0.80% |
Average DrawdownAverage peak-to-trough decline | -8.83% | -11.69% | +2.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.67% | 3.06% | +0.61% |
Volatility
BDBKX vs. DFISX - Volatility Comparison
iShares Russell 2000 Small-Cap Index Fund Class K (BDBKX) has a higher volatility of 6.59% compared to DFA International Small Company Portfolio (DFISX) at 5.90%. This indicates that BDBKX's price experiences larger fluctuations and is considered to be riskier than DFISX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BDBKX | DFISX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.59% | 5.90% | +0.69% |
Volatility (6M)Calculated over the trailing 6-month period | 14.10% | 10.04% | +4.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.12% | 15.38% | +7.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.15% | 15.75% | +7.40% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.65% | 16.11% | +7.54% |