SSKEX vs. ELFNX

Last updated Apr 1, 2026

Compare and contrast key facts about State Street Emerging Markets Equity Index Fund (SSKEX) and Elfun Trusts (ELFNX).

SSKEX is managed by State Street. It was launched on Dec 17, 2015. ELFNX is managed by State Street. It was launched on May 27, 1935.

Performance

SSKEX vs. ELFNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Emerging Markets Equity Index Fund (SSKEX) and Elfun Trusts (ELFNX). The values are adjusted to include any dividend payments, if applicable.

SSKEX vs. ELFNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSKEX State Street Emerging Markets Equity Index Fund	1.08%	33.79%	7.00%	9.50%	-20.23%	-2.80%	18.20%	18.16%	-14.78%	37.18%
ELFNX Elfun Trusts	-9.40%	16.64%	26.91%	34.50%	-19.91%	24.46%	25.18%	35.57%	-3.25%	25.60%

Returns By Period

In the year-to-date period, SSKEX achieves a 1.08% return, which is significantly higher than ELFNX's -9.40% return. Over the past 10 years, SSKEX has underperformed ELFNX with an annualized return of 7.79%, while ELFNX has yielded a comparatively higher 14.84% annualized return.

SSKEX

• 1D: -0.06%
• 1M: -11.97%
• YTD: 1.08%
• 6M: 5.80%
• 1Y: 30.40%
• 3Y*: 15.02%
• 5Y*: 3.75%
• 10Y*: 7.79%

ELFNX

• 1D: -0.21%
• 1M: -7.68%
• YTD: -9.40%
• 6M: -6.55%
• 1Y: 12.68%
• 3Y*: 18.88%
• 5Y*: 10.93%
• 10Y*: 14.84%

*Multi-year figures are annualized to reflect compound growth (CAGR)

SSKEX vs. ELFNX - Expense Ratio Comparison

SSKEX has a 0.17% expense ratio, which is lower than ELFNX's 0.18% 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%.

ELFNX

Elfun Trusts

SSKEX

State Street Emerging Markets Equity Index Fund

Return for Risk

SSKEX vs. ELFNX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SSKEX

SSKEX Risk / Return Rank: 86
SSKEX Sharpe Ratio Rank: 89
SSKEX Sortino Ratio Rank: 87
SSKEX Omega Ratio Rank: 85
SSKEX Calmar Ratio Rank: 87
SSKEX Martin Ratio Rank: 84

ELFNX

ELFNX Risk / Return Rank: 34
ELFNX Sharpe Ratio Rank: 32
ELFNX Sortino Ratio Rank: 34
ELFNX Omega Ratio Rank: 35
ELFNX Calmar Ratio Rank: 34
ELFNX Martin Ratio Rank: 33

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SSKEX vs. ELFNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Emerging Markets Equity Index Fund (SSKEX) and Elfun Trusts (ELFNX). 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.

	SSKEX	ELFNX	Difference
Sharpe ratio Return per unit of total volatility	1.84	0.71	+1.12
Sortino ratio Return per unit of downside risk	2.37	1.13	+1.24
Omega ratio Gain probability vs. loss probability	1.35	1.16	+0.18
Calmar ratio Return relative to maximum drawdown	2.22	0.93	+1.29
Martin ratio Return relative to average drawdown	8.63	3.55	+5.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SSKEX vs. ELFNX - Sharpe Ratio Comparison

The current SSKEX Sharpe Ratio is 1.84, which is higher than the ELFNX Sharpe Ratio of 0.71. The chart below compares the historical Sharpe Ratios of SSKEX and ELFNX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SSKEX	ELFNX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.84	0.71	+1.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.23	0.61	-0.38
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	0.81	-0.35
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.58	-0.09

Correlation

The correlation between SSKEX and ELFNX is 0.56, 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

SSKEX vs. ELFNX - Dividend Comparison

SSKEX's dividend yield for the trailing twelve months is around 2.82%, less than ELFNX's 10.89% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSKEX State Street Emerging Markets Equity Index Fund	2.82%	2.85%	2.90%	3.26%	3.90%	1.95%	1.84%	2.84%	3.01%	2.55%	2.29%	0.00%
ELFNX Elfun Trusts	10.89%	9.87%	10.43%	2.90%	9.01%	11.62%	8.60%	9.39%	16.18%	10.80%	8.85%	8.22%

Drawdowns

SSKEX vs. ELFNX - Drawdown Comparison

The maximum SSKEX drawdown since its inception was -39.23%, smaller than the maximum ELFNX drawdown of -50.28%. Use the drawdown chart below to compare losses from any high point for SSKEX and ELFNX.

Drawdown Indicators

	SSKEX	ELFNX	Difference
Max Drawdown Largest peak-to-trough decline	-39.23%	-50.28%	+11.05%
Max Drawdown (1Y) Largest decline over 1 year	-12.44%	-11.48%	-0.96%
Max Drawdown (5Y) Largest decline over 5 years	-37.16%	-26.39%	-10.77%
Max Drawdown (10Y) Largest decline over 10 years	-39.23%	-32.44%	-6.79%
Current Drawdown Current decline from peak	-12.44%	-11.40%	-1.04%
Average Drawdown Average peak-to-trough decline	-13.46%	-7.65%	-5.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.21%	3.01%	+0.20%

Volatility

SSKEX vs. ELFNX - Volatility Comparison

State Street Emerging Markets Equity Index Fund (SSKEX) has a higher volatility of 7.57% compared to Elfun Trusts (ELFNX) at 4.40%. This indicates that SSKEX's price experiences larger fluctuations and is considered to be riskier than ELFNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSKEX	ELFNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.57%	4.40%	+3.17%
Volatility (6M) Calculated over the trailing 6-month period	12.01%	9.57%	+2.44%
Volatility (1Y) Calculated over the trailing 1-year period	16.37%	18.37%	-2.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.10%	17.87%	-1.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.09%	18.35%	-1.26%