BDBKX vs. AZBIX
Compare and contrast key facts about iShares Russell 2000 Small-Cap Index Fund Class K (BDBKX) and Virtus Small-Cap Fund (AZBIX).
BDBKX is a passively managed fund by iShares that tracks the performance of the Russell 2000 Index. It was launched on Apr 1, 2011. AZBIX is managed by Allianz. It was launched on Jul 1, 2013.
Performance
BDBKX vs. AZBIX - Performance Comparison
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BDBKX vs. AZBIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BDBKX iShares Russell 2000 Small-Cap Index Fund Class K | 0.90% | 12.81% | 11.40% | 17.04% | -20.32% | 14.59% | 20.02% | 25.66% | -11.01% | 14.71% |
AZBIX Virtus Small-Cap Fund | 2.47% | 8.49% | 19.06% | 14.09% | -18.04% | 18.92% | 16.98% | 24.13% | -9.25% | 21.27% |
Returns By Period
In the year-to-date period, BDBKX achieves a 0.90% return, which is significantly lower than AZBIX's 2.47% return. Over the past 10 years, BDBKX has underperformed AZBIX with an annualized return of 9.86%, while AZBIX has yielded a comparatively higher 10.62% annualized return.
BDBKX
- 1D
- 3.44%
- 1M
- -5.85%
- YTD
- 0.90%
- 6M
- 2.84%
- 1Y
- 25.68%
- 3Y*
- 13.03%
- 5Y*
- 3.45%
- 10Y*
- 9.86%
AZBIX
- 1D
- 3.39%
- 1M
- -4.85%
- YTD
- 2.47%
- 6M
- 0.78%
- 1Y
- 21.35%
- 3Y*
- 12.90%
- 5Y*
- 5.52%
- 10Y*
- 10.62%
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BDBKX vs. AZBIX - Expense Ratio Comparison
BDBKX has a 0.07% expense ratio, which is lower than AZBIX's 0.89% expense ratio.
Return for Risk
BDBKX vs. AZBIX — Risk / Return Rank
BDBKX
AZBIX
BDBKX vs. AZBIX - 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 Virtus Small-Cap Fund (AZBIX). 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 | AZBIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.11 | 1.11 | 0.00 |
Sortino ratioReturn per unit of downside risk | 1.66 | 1.66 | 0.00 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.22 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 1.80 | 1.85 | -0.05 |
Martin ratioReturn relative to average drawdown | 6.77 | 6.82 | -0.05 |
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 | AZBIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.11 | 1.11 | 0.00 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.15 | 0.27 | -0.12 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.42 | 0.50 | -0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.39 | 0.49 | -0.10 |
Correlation
The correlation between BDBKX and AZBIX is 0.95, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
BDBKX vs. AZBIX - Dividend Comparison
BDBKX's dividend yield for the trailing twelve months is around 3.15%, less than AZBIX's 4.78% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BDBKX iShares Russell 2000 Small-Cap Index Fund Class K | 3.15% | 3.17% | 4.84% | 2.96% | 1.76% | 7.67% | 1.45% | 3.47% | 4.29% | 3.18% | 4.62% | 3.64% |
AZBIX Virtus Small-Cap Fund | 4.78% | 4.90% | 10.82% | 2.31% | 4.78% | 13.82% | 0.45% | 0.38% | 9.62% | 13.80% | 0.03% | 3.59% |
Drawdowns
BDBKX vs. AZBIX - Drawdown Comparison
The maximum BDBKX drawdown since its inception was -41.66%, roughly equal to the maximum AZBIX drawdown of -40.80%. Use the drawdown chart below to compare losses from any high point for BDBKX and AZBIX.
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Drawdown Indicators
| BDBKX | AZBIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.66% | -40.80% | -0.86% |
Max Drawdown (1Y)Largest decline over 1 year | -13.89% | -11.76% | -2.13% |
Max Drawdown (5Y)Largest decline over 5 years | -31.96% | -29.85% | -2.11% |
Max Drawdown (10Y)Largest decline over 10 years | -41.66% | -40.80% | -0.86% |
Current DrawdownCurrent decline from peak | -7.90% | -5.35% | -2.55% |
Average DrawdownAverage peak-to-trough decline | -8.83% | -7.80% | -1.03% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.70% | 3.19% | +0.51% |
Volatility
BDBKX vs. AZBIX - Volatility Comparison
iShares Russell 2000 Small-Cap Index Fund Class K (BDBKX) and Virtus Small-Cap Fund (AZBIX) have volatilities of 7.51% and 7.23%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BDBKX | AZBIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.51% | 7.23% | +0.28% |
Volatility (6M)Calculated over the trailing 6-month period | 14.50% | 13.00% | +1.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.31% | 19.97% | +3.34% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.20% | 20.54% | +2.66% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.67% | 21.31% | +2.36% |