SSFEX vs. SSCNX
SSFEX (State Street Aggregate Bond Index Fund Class K) and SSCNX (State Street Target Retirement 2040 Fund) are both mutual funds - SSFEX is a Total Bond Market fund managed by State Street, while SSCNX is a Target Retirement Date fund managed by State Street. Over the past 10 years, SSFEX returned -19.31%/yr vs 10.26%/yr for SSCNX. At a 0.09 correlation, their price movements are largely independent. SSFEX charges 0.03%/yr vs 0.20%/yr for SSCNX.
Performance
SSFEX vs. SSCNX - Performance Comparison
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Returns By Period
In the year-to-date period, SSFEX achieves a 0.42% return, which is significantly lower than SSCNX's 10.08% return. Over the past 10 years, SSFEX has underperformed SSCNX with an annualized return of -19.31%, while SSCNX has yielded a comparatively higher 10.26% annualized return.
SSFEX
- 1D
- 0.05%
- 1M
- 0.49%
- YTD
- 0.42%
- 6M
- 0.33%
- 1Y
- 5.39%
- 3Y*
- 3.90%
- 5Y*
- 0.11%
- 10Y*
- -19.31%
SSCNX
- 1D
- 0.41%
- 1M
- 4.29%
- YTD
- 10.08%
- 6M
- 10.69%
- 1Y
- 24.06%
- 3Y*
- 16.53%
- 5Y*
- 7.69%
- 10Y*
- 10.26%
SSFEX vs. SSCNX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SSFEX State Street Aggregate Bond Index Fund Class K | 0.42% | 6.80% | 1.35% | 5.61% | -13.19% | -1.78% | -89.22% | 9.45% | -0.10% | 3.30% |
SSCNX State Street Target Retirement 2040 Fund | 10.08% | 19.00% | 11.21% | 17.68% | -18.55% | 11.75% | 18.72% | 24.61% | -7.45% | 18.32% |
Correlation
The correlation between SSFEX and SSCNX is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.44 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.41 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.31 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.14 |
Correlation (All Time) Calculated using the full available price history since Oct 2, 2014 | 0.09 |
Over the past year, SSFEX and SSCNX have become more correlated (0.44) than their long-term average of 0.09, meaning their price movements have been converging.
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Return for Risk
SSFEX vs. SSCNX — Risk / Return Rank
SSFEX
SSCNX
SSFEX vs. SSCNX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for State Street Aggregate Bond Index Fund Class K (SSFEX) and State Street Target Retirement 2040 Fund (SSCNX). 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.
| SSFEX | SSCNX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.09 | ||
| Sortino ratioReturn per unit of downside risk | -1.43 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.49 | -0.23 |
| Calmar ratioReturn relative to maximum drawdown | 1.96 | 3.07 | -1.11 |
| Martin ratioReturn relative to average drawdown | 6.01 | 13.19 | -7.18 |
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
| SSFEX | SSCNX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.44 | 2.54 | -1.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.02 | 0.61 | -0.59 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.61 | 0.76 | -1.37 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.55 | 0.69 | -1.25 |
Drawdowns
SSFEX vs. SSCNX - Drawdown Comparison
The maximum SSFEX drawdown since its inception was -92.70%, which is greater than SSCNX's maximum drawdown of -27.49%. Use the drawdown chart below to compare losses from any high point for SSFEX and SSCNX.
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Drawdown Indicators
| SSFEX | SSCNX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -92.70% | -27.49% | -65.21% |
Max Drawdown (1Y)Largest decline over 1 year | -2.75% | -7.96% | +5.21% |
Max Drawdown (3Y)Largest decline over 3 years | -6.09% | -12.72% | +6.63% |
Max Drawdown (5Y)Largest decline over 5 years | -17.99% | -26.14% | +8.15% |
Max Drawdown (10Y)Largest decline over 10 years | -92.70% | -27.49% | -65.21% |
Current DrawdownCurrent decline from peak | -90.05% | 0.00% | -90.05% |
Average DrawdownAverage peak-to-trough decline | -48.00% | -4.77% | -43.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.90% | 1.85% | -0.95% |
Volatility
SSFEX vs. SSCNX - Volatility Comparison
The current volatility for State Street Aggregate Bond Index Fund Class K (SSFEX) is 1.30%, while State Street Target Retirement 2040 Fund (SSCNX) has a volatility of 3.08%. This indicates that SSFEX experiences smaller price fluctuations and is considered to be less risky than SSCNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SSFEX | SSCNX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.30% | 3.08% | -1.78% |
Volatility (6M)Calculated over the trailing 6-month period | 2.66% | 7.75% | -5.09% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.74% | 9.63% | -5.89% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.93% | 12.73% | -6.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.84% | 13.47% | +18.37% |
SSFEX vs. SSCNX - Expense Ratio Comparison
SSFEX has a 0.03% expense ratio, which is lower than SSCNX's 0.20% 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
SSFEX vs. SSCNX - Dividend Comparison
SSFEX's dividend yield for the trailing twelve months is around 4.12%, less than SSCNX's 6.55% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SSCNX State Street Target Retirement 2040 Fund | 6.55% | 7.21% | 4.97% | 3.78% | 5.39% | 5.58% | 4.63% | 6.31% | 5.11% | 0.38% | 1.77% | 1.96% |
SSFEX State Street Aggregate Bond Index Fund Class K | 4.12% | 3.66% | 3.76% | 3.14% | 2.48% | 3.32% | 9.59% | 3.56% | 2.79% | 2.43% | 2.19% | 4.67% |
Frequently Asked Questions
SSFEX and SSCNX have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SSCNX has higher volatility (3.08%) compared to SSFEX (1.30%). In terms of maximum drawdown, SSFEX dropped -92.70% vs SSCNX's -27.49%.
SSCNX currently has the higher Sharpe Ratio (2.54 vs 1.44), 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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