SSAFX vs. ELFTX
Compare and contrast key facts about State Street Aggregate Bond Index Portfolio (SSAFX) and Elfun Tax Exempt Income Fund (ELFTX).
SSAFX is managed by State Street. It was launched on Sep 19, 2014. ELFTX is managed by State Street. It was launched on Jan 1, 1980.
Performance
SSAFX vs. ELFTX - Performance Comparison
Loading graphics...
SSAFX vs. ELFTX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SSAFX State Street Aggregate Bond Index Portfolio | 0.02% | 6.81% | 1.34% | 5.61% | -13.30% | -1.72% | 978.57% | 8.69% | -0.12% | 3.38% |
ELFTX Elfun Tax Exempt Income Fund | -0.57% | 3.29% | -0.14% | 4.27% | -8.97% | 0.87% | 4.50% | 7.13% | 0.91% | 4.72% |
Returns By Period
In the year-to-date period, SSAFX achieves a 0.02% return, which is significantly higher than ELFTX's -0.57% return. Over the past 10 years, SSAFX has outperformed ELFTX with an annualized return of 27.90%, while ELFTX has yielded a comparatively lower 1.40% annualized return.
SSAFX
- 1D
- 0.20%
- 1M
- -1.32%
- YTD
- 0.02%
- 6M
- 0.78%
- 1Y
- 4.05%
- 3Y*
- 3.49%
- 5Y*
- 0.11%
- 10Y*
- 27.90%
ELFTX
- 1D
- 0.20%
- 1M
- -2.20%
- YTD
- -0.57%
- 6M
- 1.05%
- 1Y
- 3.14%
- 3Y*
- 1.47%
- 5Y*
- -0.19%
- 10Y*
- 1.40%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
SSAFX vs. ELFTX - Expense Ratio Comparison
SSAFX has a 0.02% expense ratio, which is lower than ELFTX's 0.21% 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
SSAFX vs. ELFTX — Risk / Return Rank
SSAFX
ELFTX
SSAFX vs. ELFTX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for State Street Aggregate Bond Index Portfolio (SSAFX) and Elfun Tax Exempt Income Fund (ELFTX). 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.
| SSAFX | ELFTX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.04 | 0.71 | +0.33 |
Sortino ratioReturn per unit of downside risk | 1.49 | 0.96 | +0.53 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.20 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.81 | 0.81 | +1.00 |
Martin ratioReturn relative to average drawdown | 4.96 | 2.44 | +2.52 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| SSAFX | ELFTX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.04 | 0.71 | +0.33 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.02 | -0.05 | +0.07 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.10 | 0.36 | -0.26 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.09 | 0.71 | -0.61 |
Correlation
The correlation between SSAFX and ELFTX is 0.51, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
SSAFX vs. ELFTX - Dividend Comparison
SSAFX's dividend yield for the trailing twelve months is around 3.74%, more than ELFTX's 3.70% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SSAFX State Street Aggregate Bond Index Portfolio | 3.74% | 3.70% | 3.76% | 3.16% | 2.49% | 1.90% | 2.41% | 2.88% | 2.82% | 2.42% | 2.21% | 3.21% |
ELFTX Elfun Tax Exempt Income Fund | 3.70% | 3.99% | 2.66% | 2.88% | 3.09% | 2.61% | 3.24% | 3.78% | 4.09% | 4.00% | 4.00% | 3.82% |
Drawdowns
SSAFX vs. ELFTX - Drawdown Comparison
The maximum SSAFX drawdown since its inception was -18.74%, roughly equal to the maximum ELFTX drawdown of -19.15%. Use the drawdown chart below to compare losses from any high point for SSAFX and ELFTX.
Loading graphics...
Drawdown Indicators
| SSAFX | ELFTX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.74% | -19.15% | +0.41% |
Max Drawdown (1Y)Largest decline over 1 year | -2.52% | -5.23% | +2.71% |
Max Drawdown (5Y)Largest decline over 5 years | -18.10% | -13.59% | -4.51% |
Max Drawdown (10Y)Largest decline over 10 years | -18.74% | -13.59% | -5.15% |
Current DrawdownCurrent decline from peak | -3.00% | -3.24% | +0.24% |
Average DrawdownAverage peak-to-trough decline | -4.44% | -3.42% | -1.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.92% | 1.74% | -0.82% |
Volatility
SSAFX vs. ELFTX - Volatility Comparison
State Street Aggregate Bond Index Portfolio (SSAFX) has a higher volatility of 1.59% compared to Elfun Tax Exempt Income Fund (ELFTX) at 1.09%. This indicates that SSAFX's price experiences larger fluctuations and is considered to be riskier than ELFTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| SSAFX | ELFTX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.59% | 1.09% | +0.50% |
Volatility (6M)Calculated over the trailing 6-month period | 2.50% | 1.66% | +0.84% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.20% | 5.11% | -0.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.93% | 3.86% | +2.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 277.46% | 3.84% | +273.62% |