AOK vs. BAMY

Last updated Apr 1, 2026

Compare and contrast key facts about iShares Core Conservative Allocation ETF (AOK) and Brookstone Yield ETF (BAMY).

AOK and BAMY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. AOK is a passively managed fund by iShares that tracks the performance of the S&P Target Risk Conservative Index. It was launched on Nov 4, 2008. BAMY is an actively managed fund by Brookstone. It was launched on Sep 27, 2023.

Performance

AOK vs. BAMY - Performance Comparison

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

AOK vs. BAMY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
AOK iShares Core Conservative Allocation ETF	-0.18%	11.26%	6.58%	7.78%
BAMY Brookstone Yield ETF	-0.46%	12.93%	10.60%	5.20%

Returns By Period

In the year-to-date period, AOK achieves a -0.18% return, which is significantly higher than BAMY's -0.46% return.

AOK

• 1D: 1.14%
• 1M: -3.14%
• YTD: -0.18%
• 6M: 1.18%
• 1Y: 9.65%
• 3Y*: 7.94%
• 5Y*: 3.32%
• 10Y*: 4.85%

BAMY

• 1D: 0.93%
• 1M: -1.05%
• YTD: -0.46%
• 6M: 2.71%
• 1Y: 12.58%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AOK vs. BAMY - Expense Ratio Comparison

AOK has a 0.25% expense ratio, which is lower than BAMY's 1.48% expense ratio.

BAMY

Brookstone Yield ETF

AOK

iShares Core Conservative Allocation ETF

Return for Risk

AOK vs. BAMY — Risk / Return Rank

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

AOK

AOK Risk / Return Rank: 80
AOK Sharpe Ratio Rank: 79
AOK Sortino Ratio Rank: 80
AOK Omega Ratio Rank: 79
AOK Calmar Ratio Rank: 82
AOK Martin Ratio Rank: 81

BAMY

BAMY Risk / Return Rank: 91
BAMY Sharpe Ratio Rank: 88
BAMY Sortino Ratio Rank: 92
BAMY Omega Ratio Rank: 95
BAMY Calmar Ratio Rank: 87
BAMY Martin Ratio Rank: 95

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.

AOK vs. BAMY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core Conservative Allocation ETF (AOK) 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.

	AOK	BAMY	Difference
Sharpe ratio Return per unit of total volatility	1.42	1.87	-0.44
Sortino ratio Return per unit of downside risk	1.98	2.73	-0.74
Omega ratio Gain probability vs. loss probability	1.29	1.46	-0.17
Calmar ratio Return relative to maximum drawdown	2.18	2.75	-0.57
Martin ratio Return relative to average drawdown	8.50	15.03	-6.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AOK vs. BAMY - Sharpe Ratio Comparison

The current AOK Sharpe Ratio is 1.42, which is comparable to the BAMY Sharpe Ratio of 1.87. The chart below compares the historical Sharpe Ratios of AOK 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

	AOK	BAMY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.42	1.87	-0.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.47	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.68	1.85	-1.17

Correlation

The correlation between AOK and BAMY is 0.72, 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

AOK vs. BAMY - Dividend Comparison

AOK's dividend yield for the trailing twelve months is around 3.35%, less than BAMY's 8.04% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AOK iShares Core Conservative Allocation ETF	3.35%	3.28%	3.23%	2.93%	2.25%	1.55%	2.10%	2.71%	2.68%	2.91%	2.14%	2.02%
BAMY Brookstone Yield ETF	8.04%	7.16%	8.20%	1.96%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

AOK vs. BAMY - Drawdown Comparison

The maximum AOK drawdown since its inception was -18.94%, which is greater than BAMY's maximum drawdown of -6.03%. Use the drawdown chart below to compare losses from any high point for AOK and BAMY.

Drawdown Indicators

	AOK	BAMY	Difference
Max Drawdown Largest peak-to-trough decline	-18.94%	-6.03%	-12.91%
Max Drawdown (1Y) Largest decline over 1 year	-4.50%	-4.60%	+0.10%
Max Drawdown (5Y) Largest decline over 5 years	-18.94%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-18.94%	—	—
Current Drawdown Current decline from peak	-3.18%	-1.42%	-1.76%
Average Drawdown Average peak-to-trough decline	-2.38%	-0.54%	-1.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.15%	0.84%	+0.31%

Volatility

AOK vs. BAMY - Volatility Comparison

iShares Core Conservative Allocation ETF (AOK) has a higher volatility of 2.89% compared to Brookstone Yield ETF (BAMY) at 2.00%. This indicates that AOK'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

	AOK	BAMY	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.89%	2.00%	+0.89%
Volatility (6M) Calculated over the trailing 6-month period	4.24%	3.54%	+0.70%
Volatility (1Y) Calculated over the trailing 1-year period	6.80%	6.77%	+0.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.05%	6.16%	+0.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.68%	6.16%	+0.52%