GMWEX vs. GMCOX

Last updated Jun 5, 2026

GMWEX (GuideMark World ex-US Fund) and GMCOX (GuideMark Core Fixed Income Fund) are both mutual funds - GMWEX is a Foreign Large Cap Equities fund managed by GuideMark, while GMCOX is a Intermediate Core Bond fund managed by GuideMark. Over the past 10 years, GMWEX returned 8.55%/yr vs 1.13%/yr for GMCOX. At a correlation of -0.06, they often move in opposite directions. GMWEX charges 1.15%/yr vs 0.95%/yr for GMCOX.

Performance

GMWEX vs. GMCOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in GuideMark World ex-US Fund (GMWEX) and GuideMark Core Fixed Income Fund (GMCOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GMWEX achieves a 6.02% return, which is significantly higher than GMCOX's -0.36% return. Over the past 10 years, GMWEX has outperformed GMCOX with an annualized return of 8.55%, while GMCOX has yielded a comparatively lower 1.13% annualized return.

GMWEX

• 1D: -0.77%
• 1M: 0.86%
• YTD: 6.02%
• 6M: 8.96%
• 1Y: 18.99%
• 3Y*: 17.08%
• 5Y*: 7.68%
• 10Y*: 8.55%

GMCOX

• 1D: -0.24%
• 1M: -0.12%
• YTD: -0.36%
• 6M: -0.15%
• 1Y: 3.83%
• 3Y*: 3.72%
• 5Y*: -0.41%
• 10Y*: 1.13%

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

GMWEX vs. GMCOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GMWEX GuideMark World ex-US Fund	6.02%	33.60%	5.36%	15.97%	-16.19%	11.70%	8.58%	20.02%	-14.12%	25.97%
GMCOX GuideMark Core Fixed Income Fund	-0.36%	6.56%	1.39%	6.19%	-14.64%	-2.01%	8.13%	8.58%	-1.44%	2.81%

Correlation

The correlation between GMWEX and GMCOX is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.31
Correlation (5Y) Calculated over the trailing 5-year period	0.22
Correlation (10Y) Calculated over the trailing 10-year period	0.09
Correlation (All Time) Calculated using the full available price history since Jan 3, 2002	-0.06

The correlation between GMWEX and GMCOX shifts across timeframes, from -0.06 (all time) to 0.40 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

GMWEX vs. GMCOX — Risk / Return Rank

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

GMWEX

GMWEX Risk / Return Rank: 26
GMWEX Sharpe Ratio Rank: 23
GMWEX Sortino Ratio Rank: 23
GMWEX Omega Ratio Rank: 23
GMWEX Calmar Ratio Rank: 26
GMWEX Martin Ratio Rank: 32

GMCOX

GMCOX Risk / Return Rank: 18
GMCOX Sharpe Ratio Rank: 17
GMCOX Sortino Ratio Rank: 18
GMCOX Omega Ratio Rank: 16
GMCOX Calmar Ratio Rank: 19
GMCOX Martin Ratio Rank: 17

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.

GMWEX vs. GMCOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GuideMark World ex-US Fund (GMWEX) and GuideMark Core Fixed Income Fund (GMCOX). 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.

	GMWEX	GMCOX	Difference
Sharpe ratio: Return per unit of total volatility	1.36	1.15	+0.20
Sortino ratio: Return per unit of downside risk	1.97	1.74	+0.23
Omega ratio: Gain probability vs. loss probability	1.25	1.20	+0.05
Calmar ratio: Return relative to maximum drawdown	1.86	1.51	+0.34
Martin ratio: Return relative to average drawdown	7.16	4.50	+2.66
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GMWEX vs. GMCOX - Sharpe Ratio Comparison

The current GMWEX Sharpe Ratio is 1.36, which is comparable to the GMCOX Sharpe Ratio of 1.15. The chart below compares the historical Sharpe Ratios of GMWEX and GMCOX, 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

	GMWEX	GMCOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.36	1.15	+0.20
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.49	-0.07	+0.56
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	0.23	+0.30
Sharpe Ratio (All Time) Calculated using the full available price history	0.15	0.14	+0.01

Drawdowns

GMWEX vs. GMCOX - Drawdown Comparison

The maximum GMWEX drawdown since its inception was -70.00%, which is greater than GMCOX's maximum drawdown of -28.49%. Use the drawdown chart below to compare losses from any high point for GMWEX and GMCOX.

Drawdown Indicators

	GMWEX	GMCOX	Difference
Max Drawdown Largest peak-to-trough decline	-70.00%	-28.49%	-41.51%
Max Drawdown (1Y) Largest decline over 1 year	-10.42%	-2.96%	-7.46%
Max Drawdown (3Y) Largest decline over 3 years	-12.52%	-6.46%	-6.06%
Max Drawdown (5Y) Largest decline over 5 years	-31.28%	-19.75%	-11.53%
Max Drawdown (10Y) Largest decline over 10 years	-35.51%	-20.36%	-15.15%
Current Drawdown Current decline from peak	-2.28%	-4.61%	+2.33%
Average Drawdown Average peak-to-trough decline	-31.01%	-7.81%	-23.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.70%	1.00%	+1.70%

Volatility

GMWEX vs. GMCOX - Volatility Comparison

GuideMark World ex-US Fund (GMWEX) has a higher volatility of 4.05% compared to GuideMark Core Fixed Income Fund (GMCOX) at 1.36%. This indicates that GMWEX's price experiences larger fluctuations and is considered to be riskier than GMCOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GMWEX	GMCOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.05%	1.36%	+2.69%
Volatility (6M) Calculated over the trailing 6-month period	11.64%	2.71%	+8.93%
Volatility (1Y) Calculated over the trailing 1-year period	14.32%	3.90%	+10.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.67%	5.94%	+9.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.23%	4.98%	+11.25%

GMWEX vs. GMCOX - Expense Ratio Comparison

GMWEX has a 1.15% expense ratio, which is higher than GMCOX's 0.95% expense ratio.

Dividends

GMWEX vs. GMCOX - Dividend Comparison

GMWEX's dividend yield for the trailing twelve months is around 13.81%, more than GMCOX's 3.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GMCOX GuideMark Core Fixed Income Fund	3.54%	3.54%	3.39%	3.40%	2.27%	2.16%	3.49%	1.45%	2.38%	2.35%	2.29%	2.55%
GMWEX GuideMark World ex-US Fund	13.81%	14.64%	2.94%	3.43%	3.11%	1.08%	2.01%	1.66%	1.61%	1.43%	1.86%	2.70%

Frequently Asked Questions

Can I hold both GMWEX and GMCOX in my portfolio?

GMWEX and GMCOX have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GMWEX or GMCOX?

GMWEX has higher volatility (4.05%) compared to GMCOX (1.36%). In terms of maximum drawdown, GMWEX dropped -70.00% vs GMCOX's -28.49%.

Which has better risk-adjusted returns?

GMWEX currently has the higher Sharpe Ratio (1.35 vs 1.15), 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.