SSMKX vs. SSBWX
SSMKX (State Street Small/Mid Cap Equity Index Fund) and SSBWX (State Street Target Retirement 2030 Fund) are both mutual funds - SSMKX is a Mid Cap Blend Equities fund managed by State Street, while SSBWX is a Target Retirement Date fund managed by State Street. Over the past 10 years, SSMKX returned 12.48%/yr vs 9.01%/yr for SSBWX. Their correlation of 0.86 suggests significant overlap in exposure. SSMKX charges 0.04%/yr vs 0.15%/yr for SSBWX.
Performance
SSMKX vs. SSBWX - Performance Comparison
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Returns By Period
In the year-to-date period, SSMKX achieves a 14.17% return, which is significantly higher than SSBWX's 7.96% return. Over the past 10 years, SSMKX has outperformed SSBWX with an annualized return of 12.48%, while SSBWX has yielded a comparatively lower 9.01% annualized return.
SSMKX
- 1D
- 1.00%
- 1M
- 5.71%
- YTD
- 14.17%
- 6M
- 13.00%
- 1Y
- 29.82%
- 3Y*
- 20.36%
- 5Y*
- 7.43%
- 10Y*
- 12.48%
SSBWX
- 1D
- 0.27%
- 1M
- 3.08%
- YTD
- 7.96%
- 6M
- 8.30%
- 1Y
- 19.22%
- 3Y*
- 13.97%
- 5Y*
- 6.52%
- 10Y*
- 9.01%
SSMKX vs. SSBWX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SSMKX State Street Small/Mid Cap Equity Index Fund | 14.17% | 12.77% | 17.20% | 25.20% | -25.49% | 12.38% | 32.41% | 27.82% | -9.02% | 18.16% |
SSBWX State Street Target Retirement 2030 Fund | 7.96% | 15.92% | 9.76% | 15.66% | -17.17% | 10.75% | 17.27% | 22.52% | -6.23% | 16.05% |
Correlation
The correlation between SSMKX and SSBWX is 0.81, 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 | 0.81 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.85 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.87 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.86 |
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016 | 0.86 |
The correlation between SSMKX and SSBWX has been stable across timeframes, ranging from 0.81 to 0.87 - a consistent structural relationship.
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Return for Risk
SSMKX vs. SSBWX — Risk / Return Rank
SSMKX
SSBWX
SSMKX vs. SSBWX - 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 State Street Target Retirement 2030 Fund (SSBWX). 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 | SSBWX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.73 | ||
| Sortino ratioReturn per unit of downside risk | -1.11 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.52 | -0.19 |
| Calmar ratioReturn relative to maximum drawdown | 3.16 | 3.13 | +0.04 |
| Martin ratioReturn relative to average drawdown | 11.48 | 13.90 | -2.41 |
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 | SSBWX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.88 | 2.61 | -0.73 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.34 | 0.62 | -0.28 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.56 | 0.80 | -0.24 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.57 | 0.73 | -0.16 |
Drawdowns
SSMKX vs. SSBWX - Drawdown Comparison
The maximum SSMKX drawdown since its inception was -41.65%, which is greater than SSBWX's maximum drawdown of -23.73%. Use the drawdown chart below to compare losses from any high point for SSMKX and SSBWX.
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Drawdown Indicators
| SSMKX | SSBWX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.65% | -23.73% | -17.92% |
Max Drawdown (1Y)Largest decline over 1 year | -10.03% | -6.20% | -3.83% |
Max Drawdown (3Y)Largest decline over 3 years | -26.31% | -9.73% | -16.58% |
Max Drawdown (5Y)Largest decline over 5 years | -35.19% | -23.73% | -11.46% |
Max Drawdown (10Y)Largest decline over 10 years | -41.65% | -23.73% | -17.92% |
Current DrawdownCurrent decline from peak | 0.00% | 0.00% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -8.70% | -4.17% | -4.53% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.76% | 1.39% | +1.37% |
Volatility
SSMKX vs. SSBWX - Volatility Comparison
State Street Small/Mid Cap Equity Index Fund (SSMKX) has a higher volatility of 4.70% compared to State Street Target Retirement 2030 Fund (SSBWX) at 2.33%. This indicates that SSMKX's price experiences larger fluctuations and is considered to be riskier than SSBWX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SSMKX | SSBWX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.70% | 2.33% | +2.37% |
Volatility (6M)Calculated over the trailing 6-month period | 12.35% | 5.97% | +6.38% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.90% | 7.42% | +9.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.25% | 10.65% | +11.60% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.26% | 11.33% | +10.93% |
SSMKX vs. SSBWX - Expense Ratio Comparison
SSMKX has a 0.05% expense ratio, which is lower than SSBWX's 0.15% 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%.
Dividends
SSMKX vs. SSBWX - Dividend Comparison
SSMKX's dividend yield for the trailing twelve months is around 4.47%, less than SSBWX's 6.40% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SSBWX State Street Target Retirement 2030 Fund | 6.40% | 6.91% | 6.16% | 4.11% | 5.78% | 6.18% | 4.92% | 6.65% | 5.24% | 0.46% | 1.75% | 2.11% |
SSMKX State Street Small/Mid Cap Equity Index Fund | 4.47% | 5.10% | 2.12% | 2.56% | 17.09% | 9.69% | 1.47% | 5.75% | 3.68% | 5.52% | 1.30% | 0.00% |
Frequently Asked Questions
SSMKX and SSBWX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SSMKX has higher volatility (4.70%) compared to SSBWX (2.33%). In terms of maximum drawdown, SSMKX dropped -41.65% vs SSBWX's -23.73%.
SSBWX currently has the higher Sharpe Ratio (2.61 vs 1.88), 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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