GWOAX vs. SSGLX

Last updated Apr 2, 2026

Compare and contrast key facts about GMO Global Developed Equity Allocation Fund (GWOAX) and State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX).

GWOAX is managed by GMO. It was launched on Jun 15, 2005. SSGLX is a passively managed fund by State Street that tracks the performance of the MSCI ACWI ex USA Investable Market Index. It was launched on Sep 17, 2014.

Performance

GWOAX vs. SSGLX - Performance Comparison

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

GWOAX vs. SSGLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GWOAX GMO Global Developed Equity Allocation Fund	3.10%	28.37%	6.14%	22.49%	-14.10%	18.53%	10.53%	26.56%	-12.95%	25.63%
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	1.29%	32.64%	4.98%	15.67%	-16.44%	8.36%	11.11%	21.52%	-14.05%	27.12%

Returns By Period

In the year-to-date period, GWOAX achieves a 3.10% return, which is significantly higher than SSGLX's 1.29% return. Over the past 10 years, GWOAX has outperformed SSGLX with an annualized return of 11.04%, while SSGLX has yielded a comparatively lower 8.79% annualized return.

GWOAX

• 1D: 2.74%
• 1M: -5.28%
• YTD: 3.10%
• 6M: 9.71%
• 1Y: 28.87%
• 3Y*: 17.19%
• 5Y*: 9.50%
• 10Y*: 11.04%

SSGLX

• 1D: 1.94%
• 1M: -7.37%
• YTD: 1.29%
• 6M: 5.27%
• 1Y: 26.80%
• 3Y*: 15.14%
• 5Y*: 7.06%
• 10Y*: 8.79%

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

GWOAX vs. SSGLX - Expense Ratio Comparison

GWOAX has a 0.01% expense ratio, which is lower than SSGLX's 0.07% 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%.

SSGLX

State Street Global All Cap Equity ex-U.S. Index Fund Class K

GWOAX

GMO Global Developed Equity Allocation Fund

Return for Risk

GWOAX vs. SSGLX — Risk / Return Rank

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

GWOAX

GWOAX Risk / Return Rank: 88
GWOAX Sharpe Ratio Rank: 87
GWOAX Sortino Ratio Rank: 87
GWOAX Omega Ratio Rank: 86
GWOAX Calmar Ratio Rank: 87
GWOAX Martin Ratio Rank: 91

SSGLX

SSGLX Risk / Return Rank: 84
SSGLX Sharpe Ratio Rank: 85
SSGLX Sortino Ratio Rank: 84
SSGLX Omega Ratio Rank: 84
SSGLX Calmar Ratio Rank: 84
SSGLX Martin Ratio Rank: 82

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.

GWOAX vs. SSGLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GMO Global Developed Equity Allocation Fund (GWOAX) and State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX). 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.

	GWOAX	SSGLX	Difference
Sharpe ratio Return per unit of total volatility	1.83	1.76	+0.06
Sortino ratio Return per unit of downside risk	2.51	2.37	+0.14
Omega ratio Gain probability vs. loss probability	1.37	1.36	+0.01
Calmar ratio Return relative to maximum drawdown	2.52	2.35	+0.17
Martin ratio Return relative to average drawdown	11.23	9.17	+2.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GWOAX vs. SSGLX - Sharpe Ratio Comparison

The current GWOAX Sharpe Ratio is 1.83, which is comparable to the SSGLX Sharpe Ratio of 1.76. The chart below compares the historical Sharpe Ratios of GWOAX and SSGLX, 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

	GWOAX	SSGLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.83	1.76	+0.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.63	0.49	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.67	0.55	+0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	0.38	+0.06

Correlation

The correlation between GWOAX and SSGLX is 0.84, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

GWOAX vs. SSGLX - Dividend Comparison

GWOAX's dividend yield for the trailing twelve months is around 4.33%, which matches SSGLX's 4.36% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GWOAX GMO Global Developed Equity Allocation Fund	4.33%	4.46%	0.60%	6.10%	7.27%	12.75%	3.85%	4.33%	3.02%	3.05%	6.43%	12.47%
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	4.36%	4.41%	4.46%	2.98%	2.85%	4.20%	1.72%	4.80%	8.32%	3.98%	1.52%	2.09%

Drawdowns

GWOAX vs. SSGLX - Drawdown Comparison

The maximum GWOAX drawdown since its inception was -49.84%, which is greater than SSGLX's maximum drawdown of -35.88%. Use the drawdown chart below to compare losses from any high point for GWOAX and SSGLX.

Drawdown Indicators

	GWOAX	SSGLX	Difference
Max Drawdown Largest peak-to-trough decline	-49.84%	-35.88%	-13.96%
Max Drawdown (1Y) Largest decline over 1 year	-11.43%	-11.22%	-0.21%
Max Drawdown (5Y) Largest decline over 5 years	-26.21%	-30.08%	+3.87%
Max Drawdown (10Y) Largest decline over 10 years	-35.28%	-35.88%	+0.60%
Current Drawdown Current decline from peak	-6.28%	-9.15%	+2.87%
Average Drawdown Average peak-to-trough decline	-9.06%	-8.32%	-0.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.56%	2.87%	-0.31%

Volatility

GWOAX vs. SSGLX - Volatility Comparison

The current volatility for GMO Global Developed Equity Allocation Fund (GWOAX) is 5.89%, while State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX) has a volatility of 6.71%. This indicates that GWOAX experiences smaller price fluctuations and is considered to be less risky than SSGLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GWOAX	SSGLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.89%	6.71%	-0.82%
Volatility (6M) Calculated over the trailing 6-month period	9.70%	10.18%	-0.48%
Volatility (1Y) Calculated over the trailing 1-year period	15.92%	15.57%	+0.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.21%	14.51%	+0.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.48%	16.15%	+0.33%