GAL vs. BAMY

Last updated Apr 2, 2026

Compare and contrast key facts about SPDR SSgA Global Allocation ETF (GAL) and Brookstone Yield ETF (BAMY).

GAL and BAMY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. GAL is an actively managed fund by State Street. It was launched on Apr 25, 2012. BAMY is an actively managed fund by Brookstone. It was launched on Sep 27, 2023.

Performance

GAL vs. BAMY - Performance Comparison

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

GAL vs. BAMY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
GAL SPDR SSgA Global Allocation ETF	0.93%	15.95%	9.85%	8.52%
BAMY Brookstone Yield ETF	-0.27%	12.93%	10.60%	5.20%

Returns By Period

In the year-to-date period, GAL achieves a 0.93% return, which is significantly higher than BAMY's -0.27% return.

GAL

• 1D: 0.55%
• 1M: -3.22%
• YTD: 0.93%
• 6M: 2.94%
• 1Y: 14.61%
• 3Y*: 11.74%
• 5Y*: 6.40%
• 10Y*: 7.58%

BAMY

• 1D: 0.20%
• 1M: -0.87%
• YTD: -0.27%
• 6M: 2.72%
• 1Y: 12.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

GAL vs. BAMY - Expense Ratio Comparison

GAL has a 0.35% expense ratio, which is lower than BAMY's 1.48% expense ratio.

BAMY

Brookstone Yield ETF

GAL

SPDR SSgA Global Allocation ETF

Return for Risk

GAL vs. BAMY — Risk / Return Rank

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

GAL

GAL Risk / Return Rank: 73
GAL Sharpe Ratio Rank: 72
GAL Sortino Ratio Rank: 73
GAL Omega Ratio Rank: 73
GAL Calmar Ratio Rank: 69
GAL Martin Ratio Rank: 76

BAMY

BAMY Risk / Return Rank: 90
BAMY Sharpe Ratio Rank: 87
BAMY Sortino Ratio Rank: 91
BAMY Omega Ratio Rank: 94
BAMY Calmar Ratio Rank: 85
BAMY Martin Ratio Rank: 94

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.

GAL vs. BAMY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR SSgA Global Allocation ETF (GAL) 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.

	GAL	BAMY	Difference
Sharpe ratio Return per unit of total volatility	1.34	1.88	-0.54
Sortino ratio Return per unit of downside risk	1.92	2.75	-0.83
Omega ratio Gain probability vs. loss probability	1.28	1.46	-0.18
Calmar ratio Return relative to maximum drawdown	1.86	2.78	-0.92
Martin ratio Return relative to average drawdown	8.53	15.13	-6.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GAL vs. BAMY - Sharpe Ratio Comparison

The current GAL Sharpe Ratio is 1.34, which is comparable to the BAMY Sharpe Ratio of 1.88. The chart below compares the historical Sharpe Ratios of GAL and BAMY, 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

	GAL	BAMY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.34	1.88	-0.54
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.67	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	1.86	-1.21

Correlation

The correlation between GAL and BAMY is 0.80, 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

GAL vs. BAMY - Dividend Comparison

GAL's dividend yield for the trailing twelve months is around 3.37%, less than BAMY's 8.03% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GAL SPDR SSgA Global Allocation ETF	3.37%	3.47%	2.99%	2.56%	6.19%	4.05%	2.14%	2.96%	2.43%	2.26%	2.43%	3.10%
BAMY Brookstone Yield ETF	8.03%	7.16%	8.20%	1.96%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

GAL vs. BAMY - Drawdown Comparison

The maximum GAL drawdown since its inception was -28.31%, which is greater than BAMY's maximum drawdown of -6.03%. Use the drawdown chart below to compare losses from any high point for GAL and BAMY.

Drawdown Indicators

	GAL	BAMY	Difference
Max Drawdown Largest peak-to-trough decline	-28.31%	-6.03%	-22.28%
Max Drawdown (1Y) Largest decline over 1 year	-8.02%	-4.60%	-3.42%
Max Drawdown (5Y) Largest decline over 5 years	-21.14%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-28.31%	—	—
Current Drawdown Current decline from peak	-3.93%	-1.23%	-2.70%
Average Drawdown Average peak-to-trough decline	-3.78%	-0.54%	-3.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.75%	0.85%	+0.90%

Volatility

GAL vs. BAMY - Volatility Comparison

SPDR SSgA Global Allocation ETF (GAL) has a higher volatility of 4.22% compared to Brookstone Yield ETF (BAMY) at 2.01%. This indicates that GAL'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

	GAL	BAMY	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.22%	2.01%	+2.21%
Volatility (6M) Calculated over the trailing 6-month period	6.98%	3.54%	+3.44%
Volatility (1Y) Calculated over the trailing 1-year period	10.94%	6.77%	+4.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.41%	6.15%	+4.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.32%	6.15%	+5.17%