MAFIX vs. GBFFX

Last updated Jun 4, 2026

MAFIX (Abbey Capital Multi Asset Fund Class I) and GBFFX (GMO Benchmark-Free Fund) are both mutual funds - MAFIX is a Multistrategy fund managed by Abbey Capital, while GBFFX is a Global Allocation fund managed by GMO. Over the past 5 years, MAFIX returned 8.08%/yr vs 8.08%/yr for GBFFX. At a 0.46 correlation, their price movements are largely independent. MAFIX charges 1.79%/yr vs 0.35%/yr for GBFFX.

Performance

MAFIX vs. GBFFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Abbey Capital Multi Asset Fund Class I (MAFIX) and GMO Benchmark-Free Fund (GBFFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MAFIX achieves a 13.53% return, which is significantly higher than GBFFX's 12.11% return.

MAFIX

• 1D: 0.23%
• 1M: 4.22%
• YTD: 13.53%
• 6M: 15.28%
• 1Y: 34.23%
• 3Y*: 11.01%
• 5Y*: 8.08%
• 10Y*: —

GBFFX

• 1D: 0.37%
• 1M: 4.16%
• YTD: 12.11%
• 6M: 14.18%
• 1Y: 29.53%
• 3Y*: 15.78%
• 5Y*: 8.08%
• 10Y*: 7.17%

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

MAFIX vs. GBFFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
MAFIX Abbey Capital Multi Asset Fund Class I	13.53%	8.41%	8.99%	5.02%	4.08%	14.79%	24.89%	21.63%	-1.46%
GBFFX GMO Benchmark-Free Fund	12.11%	24.07%	0.40%	15.24%	-3.36%	4.38%	-3.35%	13.79%	-1.09%

Correlation

The correlation between MAFIX and GBFFX is 0.60, 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	0.60
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (All Time) Calculated using the full available price history since Dec 7, 2018	0.46

The correlation between MAFIX and GBFFX shifts across timeframes, from 0.45 (5 years) to 0.60 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

MAFIX vs. GBFFX — Risk / Return Rank

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

MAFIX

MAFIX Risk / Return Rank: 83
MAFIX Sharpe Ratio Rank: 86
MAFIX Sortino Ratio Rank: 77
MAFIX Omega Ratio Rank: 74
MAFIX Calmar Ratio Rank: 91
MAFIX Martin Ratio Rank: 86

GBFFX

GBFFX Risk / Return Rank: 96
GBFFX Sharpe Ratio Rank: 99
GBFFX Sortino Ratio Rank: 98
GBFFX Omega Ratio Rank: 96
GBFFX Calmar Ratio Rank: 93
GBFFX Martin Ratio Rank: 93

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.

MAFIX vs. GBFFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Abbey Capital Multi Asset Fund Class I (MAFIX) and GMO Benchmark-Free Fund (GBFFX). 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.

	MAFIX	GBFFX	Difference
Sharpe ratio: Return per unit of total volatility	2.77	4.24	-1.47
Sortino ratio: Return per unit of downside risk	3.69	6.10	-2.41
Omega ratio: Gain probability vs. loss probability	1.49	1.86	-0.37
Calmar ratio: Return relative to maximum drawdown	4.74	5.22	-0.49
Martin ratio: Return relative to average drawdown	16.70	20.07	-3.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MAFIX vs. GBFFX - Sharpe Ratio Comparison

The current MAFIX Sharpe Ratio is 2.77, which is lower than the GBFFX Sharpe Ratio of 4.24. The chart below compares the historical Sharpe Ratios of MAFIX and GBFFX, 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

	MAFIX	GBFFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.77	4.24	-1.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.66	1.01	-0.35
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.79	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.03	0.70	+0.33

Drawdowns

MAFIX vs. GBFFX - Drawdown Comparison

The maximum MAFIX drawdown since its inception was -19.21%, smaller than the maximum GBFFX drawdown of -26.62%. Use the drawdown chart below to compare losses from any high point for MAFIX and GBFFX.

Drawdown Indicators

	MAFIX	GBFFX	Difference
Max Drawdown Largest peak-to-trough decline	-19.21%	-26.62%	+7.41%
Max Drawdown (1Y) Largest decline over 1 year	-7.26%	-5.67%	-1.59%
Max Drawdown (3Y) Largest decline over 3 years	-19.21%	-10.18%	-9.03%
Max Drawdown (5Y) Largest decline over 5 years	-19.21%	-15.91%	-3.30%
Max Drawdown (10Y) Largest decline over 10 years	—	-26.62%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.41%	-4.37%	+0.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.05%	1.47%	+0.58%

Volatility

MAFIX vs. GBFFX - Volatility Comparison

Abbey Capital Multi Asset Fund Class I (MAFIX) has a higher volatility of 2.69% compared to GMO Benchmark-Free Fund (GBFFX) at 2.35%. This indicates that MAFIX's price experiences larger fluctuations and is considered to be riskier than GBFFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MAFIX	GBFFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.69%	2.35%	+0.34%
Volatility (6M) Calculated over the trailing 6-month period	8.84%	5.39%	+3.45%
Volatility (1Y) Calculated over the trailing 1-year period	12.43%	6.99%	+5.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.32%	8.07%	+4.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.84%	9.09%	+3.75%

MAFIX vs. GBFFX - Expense Ratio Comparison

MAFIX has a 1.79% expense ratio, which is higher than GBFFX's 0.35% expense ratio.

Dividends

MAFIX vs. GBFFX - Dividend Comparison

MAFIX's dividend yield for the trailing twelve months is around 10.37%, more than GBFFX's 4.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GBFFX GMO Benchmark-Free Fund	4.56%	5.11%	1.81%	5.72%	5.48%	4.60%	3.32%	4.00%	3.92%	2.90%	2.72%	6.67%
MAFIX Abbey Capital Multi Asset Fund Class I	10.37%	11.78%	4.57%	3.80%	4.12%	10.65%	10.29%	12.30%	9.36%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MAFIX and GBFFX in my portfolio?

MAFIX and GBFFX have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MAFIX or GBFFX?

MAFIX has higher volatility (2.69%) compared to GBFFX (2.35%). In terms of maximum drawdown, MAFIX dropped -19.21% vs GBFFX's -26.62%.

Which has better risk-adjusted returns?

GBFFX currently has the higher Sharpe Ratio (4.24 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.