SSGLX vs. SSAFX

Last updated Jun 4, 2026

SSGLX (State Street Global All Cap Equity ex-U.S. Index Fund Class K) and SSAFX (State Street Aggregate Bond Index Portfolio) are both mutual funds - SSGLX is a Global Equities fund tracking the MSCI ACWI ex USA Investable Market Index, while SSAFX is a Intermediate Core Bond fund managed by State Street. Over the past 10 years, SSGLX returned 9.82%/yr vs 27.83%/yr for SSAFX. At a correlation of -0.00, they often move in opposite directions. SSGLX charges 0.07%/yr vs 0.02%/yr for SSAFX.

Performance

SSGLX vs. SSAFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX) and State Street Aggregate Bond Index Portfolio (SSAFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SSGLX achieves a 14.98% return, which is significantly higher than SSAFX's 0.42% return. Over the past 10 years, SSGLX has underperformed SSAFX with an annualized return of 9.82%, while SSAFX has yielded a comparatively higher 27.83% annualized return.

SSGLX

• 1D: 0.67%
• 1M: 4.89%
• YTD: 14.98%
• 6M: 18.09%
• 1Y: 32.74%
• 3Y*: 19.68%
• 5Y*: 8.65%
• 10Y*: 9.82%

SSAFX

• 1D: 0.05%
• 1M: 0.49%
• YTD: 0.42%
• 6M: 0.33%
• 1Y: 5.39%
• 3Y*: 3.90%
• 5Y*: 0.09%
• 10Y*: 27.83%

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

SSGLX vs. SSAFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	14.98%	32.64%	4.98%	15.67%	-16.44%	8.36%	11.11%	21.52%	-14.05%	27.12%
SSAFX State Street Aggregate Bond Index Portfolio	0.42%	6.81%	1.34%	5.61%	-13.30%	-1.72%	978.57%	8.69%	-0.12%	3.38%

Correlation

The correlation between SSGLX and SSAFX is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.34
Correlation (3Y) Calculated over the trailing 3-year period	0.26
Correlation (5Y) Calculated over the trailing 5-year period	0.19
Correlation (10Y) Calculated over the trailing 10-year period	0.04
Correlation (All Time) Calculated using the full available price history since Sep 23, 2014	-0.00

The correlation between SSGLX and SSAFX shifts across timeframes, from -0.00 (all time) to 0.34 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

SSGLX vs. SSAFX — Risk / Return Rank

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

SSGLX

SSGLX Risk / Return Rank: 62
SSGLX Sharpe Ratio Rank: 67
SSGLX Sortino Ratio Rank: 64
SSGLX Omega Ratio Rank: 67
SSGLX Calmar Ratio Rank: 57
SSGLX Martin Ratio Rank: 56

SSAFX

SSAFX Risk / Return Rank: 26
SSAFX Sharpe Ratio Rank: 26
SSAFX Sortino Ratio Rank: 27
SSAFX Omega Ratio Rank: 24
SSAFX Calmar Ratio Rank: 27
SSAFX Martin Ratio Rank: 24

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.

SSGLX vs. SSAFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX) and State Street Aggregate Bond Index Portfolio (SSAFX). 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.

	SSGLX	SSAFX	Difference
Sharpe ratio Return per unit of total volatility	2.40	1.45	+0.95
Sortino ratio Return per unit of downside risk	3.35	2.17	+1.18
Omega ratio Gain probability vs. loss probability	1.46	1.26	+0.20
Calmar ratio Return relative to maximum drawdown	2.89	1.96	+0.93
Martin ratio Return relative to average drawdown	11.22	6.00	+5.22
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SSGLX vs. SSAFX - Sharpe Ratio Comparison

The current SSGLX Sharpe Ratio is 2.40, which is higher than the SSAFX Sharpe Ratio of 1.45. The chart below compares the historical Sharpe Ratios of SSGLX and SSAFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SSGLX	SSAFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.40	1.45	+0.95
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.59	0.01	+0.58
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.10	+0.51
Sharpe Ratio (All Time) Calculated using the full available price history	0.45	0.09	+0.35

Drawdowns

SSGLX vs. SSAFX - Drawdown Comparison

The maximum SSGLX drawdown since its inception was -35.88%, which is greater than SSAFX's maximum drawdown of -18.74%. Use the drawdown chart below to compare losses from any high point for SSGLX and SSAFX.

Drawdown Indicators

	SSGLX	SSAFX	Difference
Max Drawdown Largest peak-to-trough decline	-35.88%	-18.74%	-17.14%
Max Drawdown (1Y) Largest decline over 1 year	-11.22%	-2.74%	-8.48%
Max Drawdown (3Y) Largest decline over 3 years	-13.56%	-6.09%	-7.47%
Max Drawdown (5Y) Largest decline over 5 years	-30.08%	-18.10%	-11.98%
Max Drawdown (10Y) Largest decline over 10 years	-35.88%	-18.74%	-17.14%
Current Drawdown Current decline from peak	0.00%	-2.62%	+2.62%
Average Drawdown Average peak-to-trough decline	-8.23%	-4.41%	-3.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.88%	0.90%	+1.98%

Volatility

SSGLX vs. SSAFX - Volatility Comparison

State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX) has a higher volatility of 4.55% compared to State Street Aggregate Bond Index Portfolio (SSAFX) at 1.29%. This indicates that SSGLX's price experiences larger fluctuations and is considered to be riskier than SSAFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSGLX	SSAFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.55%	1.29%	+3.26%
Volatility (6M) Calculated over the trailing 6-month period	11.38%	2.65%	+8.73%
Volatility (1Y) Calculated over the trailing 1-year period	13.56%	3.74%	+9.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.74%	5.95%	+8.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.24%	277.51%	-261.27%

SSGLX vs. SSAFX - Expense Ratio Comparison

SSGLX has a 0.07% expense ratio, which is higher than SSAFX's 0.02% 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%.

Dividends

SSGLX vs. SSAFX - Dividend Comparison

SSGLX's dividend yield for the trailing twelve months is around 3.84%, less than SSAFX's 4.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSAFX State Street Aggregate Bond Index Portfolio	4.16%	3.70%	3.76%	3.16%	2.49%	1.90%	2.41%	2.88%	2.82%	2.42%	2.21%	3.21%
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	3.84%	4.41%	4.46%	2.98%	2.85%	4.20%	1.72%	4.80%	8.32%	3.98%	1.52%	2.09%

Frequently Asked Questions

Can I hold both SSGLX and SSAFX in my portfolio?

SSGLX and SSAFX have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SSGLX or SSAFX?

SSGLX has higher volatility (4.55%) compared to SSAFX (1.29%). In terms of maximum drawdown, SSGLX dropped -35.88% vs SSAFX's -18.74%.

Which has better risk-adjusted returns?

SSGLX currently has the higher Sharpe Ratio (2.40 vs 1.45), 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.