BSMIX vs. IWM
Compare and contrast key facts about iShares Russell Small/Mid-Cap Index Fund (BSMIX) and iShares Russell 2000 ETF (IWM).
BSMIX is managed by BlackRock. It was launched on Aug 13, 2015. IWM is a passively managed fund by iShares that tracks the performance of the Russell 2000 Index. It was launched on May 22, 2000.
Performance
BSMIX vs. IWM - Performance Comparison
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BSMIX vs. IWM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BSMIX iShares Russell Small/Mid-Cap Index Fund | 2.02% | 11.92% | 12.04% | 17.15% | -18.39% | 18.00% | 20.28% | 27.62% | -10.22% | 16.75% |
IWM iShares Russell 2000 ETF | 1.56% | 12.66% | 11.38% | 16.83% | -20.48% | 14.54% | 20.03% | 25.39% | -11.12% | 14.58% |
Returns By Period
In the year-to-date period, BSMIX achieves a 2.02% return, which is significantly higher than IWM's 1.56% return. Over the past 10 years, BSMIX has outperformed IWM with an annualized return of 10.48%, while IWM has yielded a comparatively lower 9.83% annualized return.
BSMIX
- 1D
- 3.44%
- 1M
- -5.81%
- YTD
- 2.02%
- 6M
- 3.97%
- 1Y
- 23.03%
- 3Y*
- 13.17%
- 5Y*
- 5.06%
- 10Y*
- 10.48%
IWM
- 1D
- 0.63%
- 1M
- -5.23%
- YTD
- 1.56%
- 6M
- 3.44%
- 1Y
- 26.43%
- 3Y*
- 13.18%
- 5Y*
- 3.47%
- 10Y*
- 9.83%
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BSMIX vs. IWM - Expense Ratio Comparison
BSMIX has a 0.12% expense ratio, which is lower than IWM's 0.19% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
BSMIX vs. IWM — Risk / Return Rank
BSMIX
IWM
BSMIX vs. IWM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell Small/Mid-Cap Index Fund (BSMIX) and iShares Russell 2000 ETF (IWM). 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.
| BSMIX | IWM | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.07 | 1.15 | -0.08 |
Sortino ratioReturn per unit of downside risk | 1.60 | 1.70 | -0.10 |
Omega ratioGain probability vs. loss probability | 1.22 | 1.22 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 1.64 | 1.93 | -0.29 |
Martin ratioReturn relative to average drawdown | 7.05 | 7.08 | -0.03 |
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
| BSMIX | IWM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.07 | 1.15 | -0.08 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.24 | 0.15 | +0.09 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.49 | 0.43 | +0.06 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 0.34 | +0.14 |
Correlation
The correlation between BSMIX and IWM is 0.98, 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
BSMIX vs. IWM - Dividend Comparison
BSMIX's dividend yield for the trailing twelve months is around 2.84%, more than IWM's 1.02% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSMIX iShares Russell Small/Mid-Cap Index Fund | 2.84% | 2.90% | 2.04% | 1.37% | 4.94% | 4.77% | 4.42% | 2.83% | 4.33% | 2.83% | 1.45% | 0.00% |
IWM iShares Russell 2000 ETF | 1.02% | 1.04% | 1.15% | 1.35% | 1.48% | 0.94% | 1.04% | 1.26% | 1.40% | 1.26% | 1.38% | 1.54% |
Drawdowns
BSMIX vs. IWM - Drawdown Comparison
The maximum BSMIX drawdown since its inception was -41.32%, smaller than the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for BSMIX and IWM.
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Drawdown Indicators
| BSMIX | IWM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.32% | -59.05% | +17.73% |
Max Drawdown (1Y)Largest decline over 1 year | -14.24% | -13.74% | -0.50% |
Max Drawdown (5Y)Largest decline over 5 years | -28.33% | -31.91% | +3.58% |
Max Drawdown (10Y)Largest decline over 10 years | -41.32% | -41.13% | -0.19% |
Current DrawdownCurrent decline from peak | -6.28% | -7.33% | +1.05% |
Average DrawdownAverage peak-to-trough decline | -7.52% | -10.83% | +3.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.31% | 3.73% | -0.42% |
Volatility
BSMIX vs. IWM - Volatility Comparison
iShares Russell Small/Mid-Cap Index Fund (BSMIX) and iShares Russell 2000 ETF (IWM) have volatilities of 7.34% and 7.36%, 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
| BSMIX | IWM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.34% | 7.36% | -0.02% |
Volatility (6M)Calculated over the trailing 6-month period | 13.15% | 14.48% | -1.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.14% | 23.18% | -1.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.16% | 22.54% | -1.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.66% | 22.99% | -1.33% |