SSGLX vs. GMGEX

Last updated Jun 4, 2026

SSGLX (State Street Global All Cap Equity ex-U.S. Index Fund Class K) and GMGEX (GMO Global Equity Allocation Fund) are both Global Equities funds. Over the past 10 years, SSGLX returned 9.82%/yr vs 11.33%/yr for GMGEX. Their correlation of 0.86 suggests significant overlap in exposure. SSGLX charges 0.07%/yr vs 0.01%/yr for GMGEX.

Performance

SSGLX vs. GMGEX - 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 GMO Global Equity Allocation Fund (GMGEX). 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 lower than GMGEX's 19.85% return. Over the past 10 years, SSGLX has underperformed GMGEX with an annualized return of 9.82%, while GMGEX has yielded a comparatively higher 11.33% 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%

GMGEX

• 1D: 0.65%
• 1M: 7.86%
• YTD: 19.85%
• 6M: 21.91%
• 1Y: 42.42%
• 3Y*: 21.98%
• 5Y*: 10.11%
• 10Y*: 11.33%

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

SSGLX vs. GMGEX - 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%
GMGEX GMO Global Equity Allocation Fund	19.85%	29.14%	4.12%	22.27%	-17.07%	14.99%	9.55%	25.45%	-13.04%	26.39%

Correlation

The correlation between SSGLX and GMGEX is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.81
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Sep 19, 2014	0.86

The correlation between SSGLX and GMGEX has been stable across timeframes, ranging from 0.78 to 0.86 - a consistent structural relationship.

Return for Risk

SSGLX vs. GMGEX — 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

GMGEX

GMGEX Risk / Return Rank: 91
GMGEX Sharpe Ratio Rank: 95
GMGEX Sortino Ratio Rank: 92
GMGEX Omega Ratio Rank: 88
GMGEX Calmar Ratio Rank: 90
GMGEX Martin Ratio Rank: 90

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. GMGEX - 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 GMO Global Equity Allocation Fund (GMGEX). 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	GMGEX	Difference
Sharpe ratio: Return per unit of total volatility	2.40	3.37	-0.97
Sortino ratio: Return per unit of downside risk	3.35	4.59	-1.24
Omega ratio: Gain probability vs. loss probability	1.46	1.62	-0.16
Calmar ratio: Return relative to maximum drawdown	2.89	4.61	-1.72
Martin ratio: Return relative to average drawdown	11.22	18.29	-7.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SSGLX vs. GMGEX - Sharpe Ratio Comparison

The current SSGLX Sharpe Ratio is 2.40, which is comparable to the GMGEX Sharpe Ratio of 3.37. The chart below compares the historical Sharpe Ratios of SSGLX and GMGEX, 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	GMGEX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.40	3.37	-0.97
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.59	0.69	-0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.71	-0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.45	0.25	+0.19

Drawdowns

SSGLX vs. GMGEX - Drawdown Comparison

The maximum SSGLX drawdown since its inception was -35.88%, smaller than the maximum GMGEX drawdown of -58.47%. Use the drawdown chart below to compare losses from any high point for SSGLX and GMGEX.

Drawdown Indicators

	SSGLX	GMGEX	Difference
Max Drawdown Largest peak-to-trough decline	-35.88%	-58.47%	+22.59%
Max Drawdown (1Y) Largest decline over 1 year	-11.22%	-9.24%	-1.98%
Max Drawdown (3Y) Largest decline over 3 years	-13.56%	-17.12%	+3.56%
Max Drawdown (5Y) Largest decline over 5 years	-30.08%	-28.58%	-1.50%
Max Drawdown (10Y) Largest decline over 10 years	-35.88%	-34.98%	-0.90%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-8.23%	-16.75%	+8.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.88%	2.32%	+0.56%

Volatility

SSGLX vs. GMGEX - 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 GMO Global Equity Allocation Fund (GMGEX) at 4.04%. This indicates that SSGLX's price experiences larger fluctuations and is considered to be riskier than GMGEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSGLX	GMGEX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.55%	4.04%	+0.51%
Volatility (6M) Calculated over the trailing 6-month period	11.38%	9.91%	+1.47%
Volatility (1Y) Calculated over the trailing 1-year period	13.56%	12.65%	+0.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.74%	14.81%	-0.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.24%	16.06%	+0.18%

SSGLX vs. GMGEX - Expense Ratio Comparison

SSGLX has a 0.07% expense ratio, which is higher than GMGEX's 0.01% 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. GMGEX - Dividend Comparison

SSGLX's dividend yield for the trailing twelve months is around 3.84%, less than GMGEX's 3.91% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GMGEX GMO Global Equity Allocation Fund	3.91%	4.69%	0.29%	5.62%	7.81%	7.76%	3.83%	3.14%	3.14%	2.90%	3.71%	4.20%
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 GMGEX in my portfolio?

SSGLX and GMGEX have a correlation of 0.78, 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 GMGEX?

SSGLX has higher volatility (4.55%) compared to GMGEX (4.04%). In terms of maximum drawdown, SSGLX dropped -35.88% vs GMGEX's -58.47%.

Which has better risk-adjusted returns?

GMGEX currently has the higher Sharpe Ratio (3.37 vs 2.40), 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.