GAA vs. BAMY

Last updated Jun 24, 2026

GAA (Cambria Global Asset Allocation ETF) and BAMY (Brookstone Yield ETF) are both Diversified Portfolio funds. Both are actively managed. Over the past year, GAA returned 17.83% vs 10.01% for BAMY. A 0.50 correlation means they provide meaningful diversification when combined. GAA charges 0.41%/yr vs 1.48%/yr for BAMY.

Performance

GAA vs. BAMY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cambria Global Asset Allocation ETF (GAA) and Brookstone Yield ETF (BAMY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GAA achieves a 6.98% return, which is significantly higher than BAMY's 1.41% return.

GAA

• 1D: -2.33%
• 1M: -1.58%
• YTD: 6.98%
• 6M: 7.10%
• 1Y: 17.83%
• 3Y*: 13.29%
• 5Y*: 6.12%
• 10Y*: 7.57%

BAMY

• 1D: -0.07%
• 1M: 0.45%
• YTD: 1.41%
• 6M: 1.25%
• 1Y: 10.01%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

GAA vs. BAMY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
GAA Cambria Global Asset Allocation ETF	6.98%	18.76%	6.67%	7.28%
BAMY Brookstone Yield ETF	1.41%	12.93%	10.60%	5.20%

Correlation

The correlation between GAA and BAMY is 0.52, 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	0.52
Correlation (All Time) Calculated using the full available price history since Sep 28, 2023	0.50

The correlation between GAA and BAMY has been stable across timeframes, ranging from 0.50 to 0.52 - a consistent structural relationship.

Return for Risk

GAA vs. BAMY — Risk / Return Rank

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

GAA

GAA Risk / Return Rank: 62
GAA Sharpe Ratio Rank: 59
GAA Sortino Ratio Rank: 56
GAA Omega Ratio Rank: 61
GAA Calmar Ratio Rank: 66
GAA Martin Ratio Rank: 66

BAMY

BAMY Risk / Return Rank: 81
BAMY Sharpe Ratio Rank: 75
BAMY Sortino Ratio Rank: 78
BAMY Omega Ratio Rank: 84
BAMY Calmar Ratio Rank: 82
BAMY Martin Ratio Rank: 88

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.

GAA vs. BAMY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cambria Global Asset Allocation ETF (GAA) and Brookstone Yield ETF (BAMY). 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.

	GAA	BAMY	Difference
Sharpe ratio: Return per unit of total volatility	1.87	2.22	-0.35
Sortino ratio: Return per unit of downside risk	2.58	3.21	-0.63
Omega ratio: Gain probability vs. loss probability	1.35	1.47	-0.12
Calmar ratio: Return relative to maximum drawdown	3.10	4.05	-0.96
Martin ratio: Return relative to average drawdown	11.58	18.10	-6.52

GAA vs. BAMY - Sharpe Ratio Comparison

The current GAA Sharpe Ratio is 1.87, which is comparable to the BAMY Sharpe Ratio of 2.22. The chart below compares the historical Sharpe Ratios of GAA and BAMY, 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

GAA vs. BAMY - Drawdown Comparison

The maximum GAA drawdown since its inception was -26.57%, which is greater than BAMY's maximum drawdown of -6.03%. Use the drawdown chart below to compare losses from any high point for GAA and BAMY.

Drawdown Indicators

	GAA	BAMY	Difference
Max Drawdown Largest peak-to-trough decline	-26.57%	-6.03%	-20.54%
Max Drawdown (1Y) Largest decline over 1 year	-5.78%	-2.48%	-3.30%
Max Drawdown (3Y) Largest decline over 3 years	-7.18%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-18.47%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-26.57%	—	—
Current Drawdown Current decline from peak	-2.85%	-0.15%	-2.70%
Average Drawdown Average peak-to-trough decline	-3.84%	-0.52%	-3.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.54%	0.55%	+0.99%

Volatility

GAA vs. BAMY - Volatility Comparison

Cambria Global Asset Allocation ETF (GAA) has a higher volatility of 3.96% compared to Brookstone Yield ETF (BAMY) at 0.93%. This indicates that GAA's price experiences larger fluctuations and is considered to be riskier than BAMY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GAA	BAMY	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.96%	0.93%	+3.03%
Volatility (6M) Calculated over the trailing 6-month period	8.16%	2.84%	+5.32%
Volatility (1Y) Calculated over the trailing 1-year period	9.56%	4.57%	+4.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.37%	5.99%	+5.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.12%	5.99%	+5.13%

GAA vs. BAMY - Expense Ratio Comparison

GAA has a 0.41% expense ratio, which is lower than BAMY's 1.48% expense ratio.

Dividends

GAA vs. BAMY - Dividend Comparison

GAA's dividend yield for the trailing twelve months is around 3.67%, less than BAMY's 7.57% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BAMY Brookstone Yield ETF	7.57%	7.16%	8.20%	1.96%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
GAA Cambria Global Asset Allocation ETF	3.67%	4.24%	3.88%	3.73%	6.05%	4.21%	2.73%	3.32%	3.01%	2.36%	2.82%	2.49%

Frequently Asked Questions

Can I hold both GAA and BAMY in my portfolio?

GAA and BAMY have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GAA or BAMY?

GAA has higher volatility (3.96%) compared to BAMY (0.93%). In terms of maximum drawdown, GAA dropped -26.57% vs BAMY's -6.03%.

Which ETF is better, GAA or BAMY?

On 1-year performance, GAA leads with 17.83% vs 10.01% for BAMY. On fees, GAA is cheaper at 0.41% per year. On volatility, BAMY has been the lower-risk option at 0.93%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GAA or BAMY?

Over the 1-year period, GAA has performed better with a 17.83% return vs 10.01%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GAA or BAMY?

GAA is cheaper with a 0.41% expense ratio, compared with 1.48% for BAMY.

Which ETF pays a higher dividend yield, GAA or BAMY?

BAMY has the higher dividend yield at 7.57%, compared with 3.67% for GAA.

What is the main difference between GAA and BAMY?

They also come from different issuers: Cambria and Brookstone. Their fees differ too: 0.41% for GAA and 1.48% for BAMY.

Which has better risk-adjusted returns?

BAMY currently has the higher Sharpe Ratio (2.22 vs 1.87), 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.