SSMKX vs. IWM
Compare and contrast key facts about State Street Small/Mid Cap Equity Index Fund (SSMKX) and iShares Russell 2000 ETF (IWM).
SSMKX is managed by State Street. It was launched on Aug 12, 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
SSMKX vs. IWM - Performance Comparison
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SSMKX vs. IWM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SSMKX State Street Small/Mid Cap Equity Index Fund | -4.46% | 12.77% | 17.20% | 25.20% | -25.49% | 12.38% | 32.41% | 27.82% | -9.02% | 18.16% |
IWM iShares Russell 2000 ETF | 0.93% | 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, SSMKX achieves a -4.46% return, which is significantly lower than IWM's 0.93% return. Over the past 10 years, SSMKX has outperformed IWM with an annualized return of 10.91%, while IWM has yielded a comparatively lower 9.76% annualized return.
SSMKX
- 1D
- -0.92%
- 1M
- -8.01%
- YTD
- -4.46%
- 6M
- -4.04%
- 1Y
- 17.62%
- 3Y*
- 14.28%
- 5Y*
- 4.29%
- 10Y*
- 10.91%
IWM
- 1D
- 3.50%
- 1M
- -4.96%
- YTD
- 0.93%
- 6M
- 3.02%
- 1Y
- 25.66%
- 3Y*
- 12.94%
- 5Y*
- 3.34%
- 10Y*
- 9.76%
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SSMKX vs. IWM - Expense Ratio Comparison
SSMKX has a 0.05% 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
SSMKX vs. IWM — Risk / Return Rank
SSMKX
IWM
SSMKX vs. IWM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for State Street Small/Mid Cap Equity Index Fund (SSMKX) 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.
| SSMKX | IWM | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.77 | 1.11 | -0.34 |
Sortino ratioReturn per unit of downside risk | 1.22 | 1.66 | -0.44 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.21 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.01 | 1.82 | -0.81 |
Martin ratioReturn relative to average drawdown | 4.29 | 6.76 | -2.47 |
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
| SSMKX | IWM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.77 | 1.11 | -0.34 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.19 | 0.15 | +0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.49 | 0.43 | +0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 0.34 | +0.15 |
Correlation
The correlation between SSMKX and IWM is 0.96, 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
SSMKX vs. IWM - Dividend Comparison
SSMKX's dividend yield for the trailing twelve months is around 5.34%, more than IWM's 1.02% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SSMKX State Street Small/Mid Cap Equity Index Fund | 5.34% | 5.10% | 2.12% | 2.56% | 17.09% | 9.69% | 1.47% | 5.75% | 3.68% | 5.52% | 1.30% | 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
SSMKX vs. IWM - Drawdown Comparison
The maximum SSMKX drawdown since its inception was -41.65%, smaller than the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for SSMKX and IWM.
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Drawdown Indicators
| SSMKX | IWM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.65% | -59.05% | +17.40% |
Max Drawdown (1Y)Largest decline over 1 year | -14.48% | -13.74% | -0.74% |
Max Drawdown (5Y)Largest decline over 5 years | -35.19% | -31.91% | -3.28% |
Max Drawdown (10Y)Largest decline over 10 years | -41.65% | -41.13% | -0.52% |
Current DrawdownCurrent decline from peak | -10.03% | -7.91% | -2.12% |
Average DrawdownAverage peak-to-trough decline | -8.81% | -10.83% | +2.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.42% | 3.70% | -0.28% |
Volatility
SSMKX vs. IWM - Volatility Comparison
The current volatility for State Street Small/Mid Cap Equity Index Fund (SSMKX) is 5.96%, while iShares Russell 2000 ETF (IWM) has a volatility of 7.47%. This indicates that SSMKX experiences smaller price fluctuations and is considered to be less risky than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SSMKX | IWM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.96% | 7.47% | -1.51% |
Volatility (6M)Calculated over the trailing 6-month period | 12.77% | 14.47% | -1.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.44% | 23.18% | -0.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.22% | 22.55% | -0.33% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.20% | 22.99% | -0.79% |