GWOAX vs. GIOTX

Last updated Jun 23, 2026

GWOAX (GMO Global Developed Equity Allocation Fund) and GIOTX (GMO International Developed Equity Allocation Fund) are both mutual funds - GWOAX is a Global Equities fund managed by GMO, while GIOTX is a Foreign Large Cap Equities fund managed by GMO. Over the past 10 years, GWOAX returned 12.19%/yr vs 12.13%/yr for GIOTX. With a 0.95 correlation, they move nearly in lockstep. GWOAX charges 0.01%/yr vs 0.00%/yr for GIOTX.

Performance

GWOAX vs. GIOTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in GMO Global Developed Equity Allocation Fund (GWOAX) and GMO International Developed Equity Allocation Fund (GIOTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GWOAX achieves a 15.54% return, which is significantly lower than GIOTX's 19.20% return. Both investments have delivered pretty close results over the past 10 years, with GWOAX having a 12.19% annualized return and GIOTX not far behind at 12.13%.

GWOAX

• 1D: 0.62%
• 1M: 1.05%
• YTD: 15.54%
• 6M: 15.31%
• 1Y: 37.05%
• 3Y*: 19.46%
• 5Y*: 11.54%
• 10Y*: 12.19%

GIOTX

• 1D: 0.44%
• 1M: 2.17%
• YTD: 19.20%
• 6M: 19.41%
• 1Y: 44.26%
• 3Y*: 26.69%
• 5Y*: 14.85%
• 10Y*: 12.13%

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

GWOAX vs. GIOTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GWOAX GMO Global Developed Equity Allocation Fund	15.54%	28.37%	6.14%	22.49%	-14.10%	18.53%	10.53%	26.56%	-12.95%	25.63%
GIOTX GMO International Developed Equity Allocation Fund	19.20%	43.70%	10.66%	21.03%	-12.41%	11.14%	7.43%	24.45%	-19.66%	26.38%

Correlation

The correlation between GWOAX and GIOTX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.93
Correlation (All Time) Calculated using the full available price history since Jan 3, 2007	0.95

The correlation between GWOAX and GIOTX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

Return for Risk

GWOAX vs. GIOTX — 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: 92
GWOAX Sortino Ratio Rank: 87
GWOAX Omega Ratio Rank: 83
GWOAX Calmar Ratio Rank: 88
GWOAX Martin Ratio Rank: 90

GIOTX

GIOTX Risk / Return Rank: 87
GIOTX Sharpe Ratio Rank: 90
GIOTX Sortino Ratio Rank: 86
GIOTX Omega Ratio Rank: 83
GIOTX Calmar Ratio Rank: 88
GIOTX Martin Ratio Rank: 89

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. GIOTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GMO Global Developed Equity Allocation Fund (GWOAX) and GMO International Developed Equity Allocation Fund (GIOTX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	GWOAX	GIOTX	Difference
Sharpe ratio: Return per unit of total volatility	2.85	2.77	+0.08
Sortino ratio: Return per unit of downside risk	3.90	3.79	+0.11
Omega ratio: Gain probability vs. loss probability	1.51	1.50	+0.01
Calmar ratio: Return relative to maximum drawdown	4.16	4.08	+0.08
Martin ratio: Return relative to average drawdown	16.49	16.00	+0.49

GWOAX vs. GIOTX - Sharpe Ratio Comparison

The current GWOAX Sharpe Ratio is 2.85, which is comparable to the GIOTX Sharpe Ratio of 2.77. The chart below compares the historical Sharpe Ratios of GWOAX and GIOTX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

GWOAX vs. GIOTX - Drawdown Comparison

The maximum GWOAX drawdown since its inception was -49.84%, smaller than the maximum GIOTX drawdown of -56.51%. Use the drawdown chart below to compare losses from any high point for GWOAX and GIOTX.

Drawdown Indicators

	GWOAX	GIOTX	Difference
Max Drawdown Largest peak-to-trough decline	-49.84%	-56.51%	+6.67%
Max Drawdown (1Y) Largest decline over 1 year	-8.78%	-10.66%	+1.88%
Max Drawdown (3Y) Largest decline over 3 years	-16.11%	-13.40%	-2.71%
Max Drawdown (5Y) Largest decline over 5 years	-26.21%	-28.34%	+2.13%
Max Drawdown (10Y) Largest decline over 10 years	-35.28%	-39.29%	+4.01%
Current Drawdown Current decline from peak	-0.83%	-0.22%	-0.61%
Average Drawdown Average peak-to-trough decline	-8.98%	-14.20%	+5.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.21%	2.71%	-0.50%

Volatility

GWOAX vs. GIOTX - Volatility Comparison

The current volatility for GMO Global Developed Equity Allocation Fund (GWOAX) is 4.38%, while GMO International Developed Equity Allocation Fund (GIOTX) has a volatility of 5.22%. This indicates that GWOAX experiences smaller price fluctuations and is considered to be less risky than GIOTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GWOAX	GIOTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.38%	5.22%	-0.84%
Volatility (6M) Calculated over the trailing 6-month period	10.08%	12.70%	-2.62%
Volatility (1Y) Calculated over the trailing 1-year period	12.84%	15.72%	-2.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.28%	15.48%	-0.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.52%	16.35%	+0.17%

GWOAX vs. GIOTX - Expense Ratio Comparison

GWOAX has a 0.01% expense ratio, which is higher than GIOTX's 0.00% 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

GWOAX vs. GIOTX - Dividend Comparison

GWOAX's dividend yield for the trailing twelve months is around 3.86%, less than GIOTX's 6.75% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GIOTX GMO International Developed Equity Allocation Fund	6.75%	8.04%	5.07%	6.54%	4.45%	6.67%	4.48%	3.74%	3.90%	3.15%	4.04%	3.39%
GWOAX GMO Global Developed Equity Allocation Fund	3.86%	4.46%	0.60%	6.10%	7.27%	12.75%	3.85%	4.33%	3.02%	3.05%	6.43%	12.47%

Frequently Asked Questions

Can I hold both GWOAX and GIOTX in my portfolio?

With a correlation of 0.93, GWOAX and GIOTX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, GWOAX or GIOTX?

GIOTX has higher volatility (5.22%) compared to GWOAX (4.38%). In terms of maximum drawdown, GWOAX dropped -49.84% vs GIOTX's -56.51%.

Which has better risk-adjusted returns?

GWOAX currently has the higher Sharpe Ratio (2.85 vs 2.77), 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.