BDBKX vs. HASCX
BDBKX (iShares Russell 2000 Small-Cap Index Fund Class K) and HASCX (Harbor Small Cap Value Fund) are both Small Cap Blend Equities funds. Over the past 10 years, BDBKX returned 11.18%/yr vs 11.62%/yr for HASCX. Their correlation of 0.94 suggests significant overlap in exposure. BDBKX charges 0.07%/yr vs 0.87%/yr for HASCX.
Performance
BDBKX vs. HASCX - Performance Comparison
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Returns By Period
In the year-to-date period, BDBKX achieves a 18.66% return, which is significantly lower than HASCX's 26.15% return. Both investments have delivered pretty close results over the past 10 years, with BDBKX having a 11.18% annualized return and HASCX not far ahead at 11.62%.
BDBKX
- 1D
- 0.92%
- 1M
- 4.99%
- YTD
- 18.66%
- 6M
- 17.35%
- 1Y
- 41.13%
- 3Y*
- 18.59%
- 5Y*
- 6.60%
- 10Y*
- 11.18%
HASCX
- 1D
- 1.68%
- 1M
- 1.58%
- YTD
- 26.15%
- 6M
- 23.98%
- 1Y
- 42.29%
- 3Y*
- 16.23%
- 5Y*
- 8.73%
- 10Y*
- 11.62%
BDBKX vs. HASCX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BDBKX iShares Russell 2000 Small-Cap Index Fund Class K | 18.66% | 12.81% | 11.40% | 17.04% | -20.32% | 14.59% | 20.02% | 25.66% | -11.01% | 14.71% |
HASCX Harbor Small Cap Value Fund | 26.15% | 3.78% | 10.93% | 15.18% | -9.59% | 14.55% | 13.15% | 28.97% | -16.16% | 21.63% |
Correlation
The correlation between BDBKX and HASCX is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.88 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.91 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.92 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Apr 1, 2011 | 0.94 |
The correlation between BDBKX and HASCX has been stable across timeframes, ranging from 0.88 to 0.94 - a consistent structural relationship.
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Return for Risk
BDBKX vs. HASCX — Risk / Return Rank
BDBKX
HASCX
BDBKX vs. HASCX - 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 Harbor Small Cap Value Fund (HASCX). 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 | HASCX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.04 | ||
| Sortino ratioReturn per unit of downside risk | -0.14 | ||
| Omega ratioGain probability vs. loss probability | 1.37 | 1.40 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 3.97 | 4.55 | -0.58 |
| Martin ratioReturn relative to average drawdown | 14.10 | 15.62 | -1.52 |
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 | HASCX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.28 | 2.32 | -0.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.29 | 0.42 | -0.14 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.47 | 0.51 | -0.04 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.44 | 0.46 | -0.02 |
Drawdowns
BDBKX vs. HASCX - Drawdown Comparison
The maximum BDBKX drawdown since its inception was -41.66%, smaller than the maximum HASCX drawdown of -58.90%. Use the drawdown chart below to compare losses from any high point for BDBKX and HASCX.
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Drawdown Indicators
| BDBKX | HASCX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.66% | -58.90% | +17.24% |
Max Drawdown (1Y)Largest decline over 1 year | -10.97% | -9.89% | -1.08% |
Max Drawdown (3Y)Largest decline over 3 years | -27.53% | -28.34% | +0.81% |
Max Drawdown (5Y)Largest decline over 5 years | -31.96% | -28.34% | -3.62% |
Max Drawdown (10Y)Largest decline over 10 years | -41.66% | -42.15% | +0.49% |
Current DrawdownCurrent decline from peak | -0.13% | -1.37% | +1.24% |
Average DrawdownAverage peak-to-trough decline | -8.74% | -8.14% | -0.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.08% | 2.87% | +0.21% |
Volatility
BDBKX vs. HASCX - Volatility Comparison
The current volatility for iShares Russell 2000 Small-Cap Index Fund Class K (BDBKX) is 5.56%, while Harbor Small Cap Value Fund (HASCX) has a volatility of 6.16%. This indicates that BDBKX experiences smaller price fluctuations and is considered to be less risky than HASCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BDBKX | HASCX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.56% | 6.16% | -0.60% |
Volatility (6M)Calculated over the trailing 6-month period | 13.55% | 14.54% | -0.99% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.09% | 19.37% | -0.28% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.17% | 20.74% | +2.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.71% | 22.91% | +0.80% |
BDBKX vs. HASCX - Expense Ratio Comparison
BDBKX has a 0.07% expense ratio, which is lower than HASCX's 0.87% expense ratio.
Dividends
BDBKX vs. HASCX - Dividend Comparison
BDBKX's dividend yield for the trailing twelve months is around 2.67%, less than HASCX's 2.71% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BDBKX iShares Russell 2000 Small-Cap Index Fund Class K | 2.67% | 3.17% | 4.84% | 2.96% | 1.76% | 7.67% | 1.45% | 3.47% | 4.29% | 3.18% | 4.62% | 3.64% |
HASCX Harbor Small Cap Value Fund | 2.71% | 3.41% | 0.62% | 6.99% | 7.25% | 5.64% | 0.43% | 1.41% | 11.18% | 1.98% | 0.36% | 3.98% |
Frequently Asked Questions
BDBKX and HASCX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
HASCX has higher volatility (6.16%) compared to BDBKX (5.56%). In terms of maximum drawdown, BDBKX dropped -41.66% vs HASCX's -58.90%.
HASCX currently has the higher Sharpe Ratio (2.32 vs 2.28), 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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