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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in iShares Russell 2000 Small-Cap Index Fund Class K, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Returns By Period
iShares Russell 2000 Small-Cap Index Fund Class K (BDBKX) has returned -2.46% so far this year and 21.55% over the past 12 months. Over the last ten years, BDBKX has returned 9.49% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
iShares Russell 2000 Small-Cap Index Fund Class K
- 1D
- -1.43%
- 1M
- -8.15%
- YTD
- -2.46%
- 6M
- -0.33%
- 1Y
- 21.55%
- 3Y*
- 11.76%
- 5Y*
- 3.06%
- 10Y*
- 9.49%
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Mar 31, 2011, BDBKX's average daily return is +0.04%, while the average monthly return is +0.85%. At this rate, your investment would double in approximately 6.8 years.
Historically, 62% of months were positive and 38% were negative. The best month was Nov 2020 with a return of +18.4%, while the worst month was Mar 2020 at -21.6%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 5 months.
On a daily basis, BDBKX closed higher 52% of trading days. The best single day was Mar 24, 2020 with a return of +9.4%, while the worst single day was Mar 16, 2020 at -14.1%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5.38% | 0.78% | -8.15% | -2.46% | |||||||||
| 2025 | 2.61% | -5.33% | -6.81% | -2.30% | 5.36% | 5.43% | 1.72% | 7.16% | 3.09% | 1.81% | 0.98% | -0.61% | 12.81% |
| 2024 | -3.92% | 5.66% | 3.56% | -7.04% | 5.03% | -0.93% | 10.14% | -1.52% | 0.71% | -1.45% | 10.96% | -8.30% | 11.40% |
| 2023 | 9.73% | -1.67% | -4.76% | -1.78% | -0.93% | 8.10% | 6.13% | -5.00% | -5.89% | -6.84% | 9.05% | 12.32% | 17.04% |
| 2022 | -9.64% | 1.07% | 1.31% | -9.91% | 0.14% | -8.21% | 10.42% | -2.02% | -9.60% | 11.04% | 2.38% | -6.47% | -20.32% |
| 2021 | 5.03% | 6.20% | 1.00% | 2.12% | 0.21% | 1.89% | -3.60% | 2.23% | -2.93% | 4.27% | -4.20% | 2.08% | 14.59% |
Benchmark Metrics
iShares Russell 2000 Small-Cap Index Fund Class K has an annualized alpha of -2.70%, beta of 1.14, and R² of 0.75 versus S&P 500 Index. Calculated based on daily prices since April 01, 2011.
- This fund participated in 118.27% of S&P 500 Index downside but only 106.47% of its upside — more exposed to losses than it benefited from rallies.
- This fund had an annualized alpha of -2.70% versus S&P 500 Index — delivering less than market exposure alone would predict.
- With beta of 1.14 and R² of 0.75, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- -2.70%
- Beta
- 1.14
- R²
- 0.75
- Upside Capture
- 106.47%
- Downside Capture
- 118.27%
Expense Ratio
BDBKX has an expense ratio of 0.07%, which is considered low.
Return for Risk
Risk / Return Rank
BDBKX ranks 46 for risk / return — on par with similar mutual funds. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iShares Russell 2000 Small-Cap Index Fund Class K (BDBKX) and compare them to a chosen benchmark (S&P 500 Index).
| BDBKX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.91 | 0.90 | +0.01 |
Sortino ratioReturn per unit of downside risk | 1.40 | 1.39 | +0.01 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.21 | -0.03 |
Calmar ratioReturn relative to maximum drawdown | 1.33 | 1.40 | -0.07 |
Martin ratioReturn relative to average drawdown | 5.03 | 6.61 | -1.58 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore BDBKX risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
iShares Russell 2000 Small-Cap Index Fund Class K provided a 3.25% dividend yield over the last twelve months, with an annual payout of $0.85 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.85 | $0.85 | $1.18 | $0.68 | $0.36 | $1.98 | $0.35 | $0.71 | $0.73 | $0.63 | $0.82 | $0.56 |
Dividend yield | 3.25% | 3.17% | 4.84% | 2.96% | 1.76% | 7.67% | 1.45% | 3.47% | 4.29% | 3.18% | 4.62% | 3.64% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares Russell 2000 Small-Cap Index Fund Class K. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.00 | |||||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.02 | $0.00 | $0.00 | $0.00 | $0.00 | $0.83 | $0.85 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.08 | $0.00 | $0.00 | $0.00 | $0.00 | $1.10 | $1.18 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.68 | $0.68 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.07 | $0.00 | $0.00 | $0.00 | $0.00 | $0.29 | $0.36 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.10 | $0.00 | $0.00 | $0.00 | $0.00 | $1.88 | $1.98 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the iShares Russell 2000 Small-Cap Index Fund Class K. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the iShares Russell 2000 Small-Cap Index Fund Class K was 41.66%, occurring on Mar 18, 2020. Recovery took 164 trading sessions.
The current iShares Russell 2000 Small-Cap Index Fund Class K drawdown is 10.97%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -41.66% | Jan 17, 2020 | 42 | Mar 18, 2020 | 164 | Nov 9, 2020 | 206 |
| -31.96% | Nov 9, 2021 | 152 | Jun 16, 2022 | 602 | Nov 6, 2024 | 754 |
| -29.29% | May 2, 2011 | 108 | Oct 3, 2011 | 240 | Sep 14, 2012 | 348 |
| -27.53% | Nov 26, 2024 | 90 | Apr 8, 2025 | 107 | Sep 11, 2025 | 197 |
| -26.9% | Sep 4, 2018 | 78 | Dec 24, 2018 | 267 | Jan 16, 2020 | 345 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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