STFAX vs. SSMKX
Compare and contrast key facts about State Street Equity 500 Index Fund (STFAX) and State Street Small/Mid Cap Equity Index Fund (SSMKX).
STFAX is managed by State Street. It was launched on Apr 18, 2001. SSMKX is managed by State Street. It was launched on Aug 12, 2015.
Performance
STFAX vs. SSMKX - Performance Comparison
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STFAX vs. SSMKX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
STFAX State Street Equity 500 Index Fund | -4.37% | 17.63% | 24.80% | 26.09% | -18.28% | 28.31% | -88.19% | 31.13% | -4.52% | 21.43% |
SSMKX State Street Small/Mid Cap Equity Index Fund | -1.19% | 12.77% | 17.20% | 25.20% | -25.49% | 12.38% | 32.41% | 27.82% | -9.02% | 18.16% |
Returns By Period
In the year-to-date period, STFAX achieves a -4.37% return, which is significantly lower than SSMKX's -1.19% return. Over the past 10 years, STFAX has underperformed SSMKX with an annualized return of -9.57%, while SSMKX has yielded a comparatively higher 11.29% annualized return.
STFAX
- 1D
- 2.92%
- 1M
- -5.04%
- YTD
- -4.37%
- 6M
- -2.22%
- 1Y
- 17.12%
- 3Y*
- 18.11%
- 5Y*
- 11.58%
- 10Y*
- -9.57%
SSMKX
- 1D
- 3.42%
- 1M
- -5.59%
- YTD
- -1.19%
- 6M
- -0.97%
- 1Y
- 20.97%
- 3Y*
- 15.57%
- 5Y*
- 4.63%
- 10Y*
- 11.29%
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STFAX vs. SSMKX - Expense Ratio Comparison
STFAX has a 0.17% expense ratio, which is higher than SSMKX's 0.05% expense ratio. However, 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
STFAX vs. SSMKX — Risk / Return Rank
STFAX
SSMKX
STFAX vs. SSMKX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for State Street Equity 500 Index Fund (STFAX) and State Street Small/Mid Cap Equity Index Fund (SSMKX). 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.
| STFAX | SSMKX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.96 | 0.96 | 0.00 |
Sortino ratioReturn per unit of downside risk | 1.48 | 1.47 | +0.01 |
Omega ratioGain probability vs. loss probability | 1.23 | 1.20 | +0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.51 | 1.46 | +0.04 |
Martin ratioReturn relative to average drawdown | 7.21 | 6.15 | +1.06 |
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
| STFAX | SSMKX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.96 | 0.96 | 0.00 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.69 | 0.21 | +0.48 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.29 | 0.51 | -0.79 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.07 | 0.50 | -0.57 |
Correlation
The correlation between STFAX and SSMKX is 0.86, 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
STFAX vs. SSMKX - Dividend Comparison
STFAX's dividend yield for the trailing twelve months is around 1.35%, less than SSMKX's 5.16% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
STFAX State Street Equity 500 Index Fund | 1.35% | 1.29% | 1.47% | 1.63% | 2.01% | 2.61% | 1.71% | 4.28% | 5.02% | 5.78% | 1.92% | 1.69% |
SSMKX State Street Small/Mid Cap Equity Index Fund | 5.16% | 5.10% | 2.12% | 2.56% | 17.09% | 9.69% | 1.47% | 5.75% | 3.68% | 5.52% | 1.30% | 0.00% |
Drawdowns
STFAX vs. SSMKX - Drawdown Comparison
The maximum STFAX drawdown since its inception was -91.92%, which is greater than SSMKX's maximum drawdown of -41.65%. Use the drawdown chart below to compare losses from any high point for STFAX and SSMKX.
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Drawdown Indicators
| STFAX | SSMKX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -91.92% | -41.65% | -50.27% |
Max Drawdown (1Y)Largest decline over 1 year | -12.10% | -14.48% | +2.38% |
Max Drawdown (5Y)Largest decline over 5 years | -24.57% | -35.19% | +10.62% |
Max Drawdown (10Y)Largest decline over 10 years | -91.92% | -41.65% | -50.27% |
Current DrawdownCurrent decline from peak | -79.13% | -6.96% | -72.17% |
Average DrawdownAverage peak-to-trough decline | -29.33% | -8.81% | -20.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.53% | 3.44% | -0.91% |
Volatility
STFAX vs. SSMKX - Volatility Comparison
The current volatility for State Street Equity 500 Index Fund (STFAX) is 5.34%, while State Street Small/Mid Cap Equity Index Fund (SSMKX) has a volatility of 6.97%. This indicates that STFAX experiences smaller price fluctuations and is considered to be less risky than SSMKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| STFAX | SSMKX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.34% | 6.97% | -1.63% |
Volatility (6M)Calculated over the trailing 6-month period | 9.53% | 13.21% | -3.68% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.29% | 22.65% | -4.36% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.89% | 22.27% | -5.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.65% | 22.23% | +11.42% |