ARKW vs. BAMU

Last updated Jun 4, 2026

ARKW (ARK Next Generation Internet ETF) and BAMU (Brookstone Ultra-Short Bond ETF) are both exchange-traded funds - ARKW is a Mid Cap Growth Equities fund actively managed by ARK, while BAMU is a Ultrashort Bond fund actively managed by Brookstone. Both are actively managed. Over the past year, ARKW returned 19.55% vs 2.93% for BAMU. At a correlation of -0.01, they often move in opposite directions. ARKW charges 0.76%/yr vs 1.09%/yr for BAMU.

Performance

ARKW vs. BAMU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK Next Generation Internet ETF (ARKW) and Brookstone Ultra-Short Bond ETF (BAMU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ARKW achieves a -0.79% return, which is significantly lower than BAMU's 1.06% return.

ARKW

• 1D: -2.98%
• 1M: 2.53%
• YTD: -0.79%
• 6M: -3.36%
• 1Y: 19.55%
• 3Y*: 40.12%
• 5Y*: 1.89%
• 10Y*: 22.99%

BAMU

• 1D: 0.02%
• 1M: 0.20%
• YTD: 1.06%
• 6M: 1.25%
• 1Y: 2.93%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ARKW vs. BAMU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
ARKW ARK Next Generation Internet ETF	-0.79%	38.93%	42.27%	44.30%
BAMU Brookstone Ultra-Short Bond ETF	1.06%	3.21%	4.14%	1.20%

Correlation

The correlation between ARKW and BAMU is -0.14, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.14
Correlation (All Time) Calculated using the full available price history since Sep 28, 2023	-0.01

The correlation between ARKW and BAMU shifts across timeframes, from -0.14 (1 year) to -0.01 (all time), reflecting how their relationship changes across market environments.

ARKW vs. BAMU - Sectors Allocation Comparison

Sectors	ARKW	BAMU
Technology	44.2%	-
Consumer Cyclical	16.3%	-
Communication Services	15.0%	-
Financial Services	14.2%	98.8%
Industrials	1.7%	-
Basic Materials	-	-
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

ARKW vs. BAMU — Risk / Return Rank

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

ARKW

ARKW Risk / Return Rank: 17
ARKW Sharpe Ratio Rank: 18
ARKW Sortino Ratio Rank: 19
ARKW Omega Ratio Rank: 19
ARKW Calmar Ratio Rank: 15
ARKW Martin Ratio Rank: 14

BAMU

BAMU Risk / Return Rank: 98
BAMU Sharpe Ratio Rank: 97
BAMU Sortino Ratio Rank: 98
BAMU Omega Ratio Rank: 98
BAMU Calmar Ratio Rank: 99
BAMU Martin Ratio Rank: 99

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.

ARKW vs. BAMU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Next Generation Internet ETF (ARKW) and Brookstone Ultra-Short Bond ETF (BAMU). 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.

	ARKW	BAMU	Difference
Sharpe ratio: Return per unit of total volatility	0.60	4.98	-4.38
Sortino ratio: Return per unit of downside risk	1.01	8.77	-7.76
Omega ratio: Gain probability vs. loss probability	1.12	2.41	-1.29
Calmar ratio: Return relative to maximum drawdown	0.54	24.89	-24.35
Martin ratio: Return relative to average drawdown	1.12	97.89	-96.77
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARKW vs. BAMU - Sharpe Ratio Comparison

The current ARKW Sharpe Ratio is 0.60, which is lower than the BAMU Sharpe Ratio of 4.98. The chart below compares the historical Sharpe Ratios of ARKW and BAMU, 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

	ARKW	BAMU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.60	4.98	-4.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.04	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	4.14	-3.57

Drawdowns

ARKW vs. BAMU - Drawdown Comparison

The maximum ARKW drawdown since its inception was -80.52%, which is greater than BAMU's maximum drawdown of -0.36%. Use the drawdown chart below to compare losses from any high point for ARKW and BAMU.

Drawdown Indicators

	ARKW	BAMU	Difference
Max Drawdown Largest peak-to-trough decline	-80.52%	-0.36%	-80.16%
Max Drawdown (1Y) Largest decline over 1 year	-36.21%	-0.12%	-36.09%
Max Drawdown (3Y) Largest decline over 3 years	-36.21%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-77.36%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-80.52%	—	—
Current Drawdown Current decline from peak	-20.48%	0.00%	-20.48%
Average Drawdown Average peak-to-trough decline	-23.98%	-0.02%	-23.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.52%	0.03%	+17.49%

Volatility

ARKW vs. BAMU - Volatility Comparison

ARK Next Generation Internet ETF (ARKW) has a higher volatility of 7.95% compared to Brookstone Ultra-Short Bond ETF (BAMU) at 0.07%. This indicates that ARKW's price experiences larger fluctuations and is considered to be riskier than BAMU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKW	BAMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.95%	0.07%	+7.88%
Volatility (6M) Calculated over the trailing 6-month period	23.54%	0.43%	+23.11%
Volatility (1Y) Calculated over the trailing 1-year period	32.93%	0.59%	+32.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.49%	0.87%	+42.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	37.69%	0.87%	+36.82%

ARKW vs. BAMU - Expense Ratio Comparison

ARKW has a 0.76% expense ratio, which is lower than BAMU's 1.09% expense ratio.

Dividends

ARKW vs. BAMU - Dividend Comparison

ARKW's dividend yield for the trailing twelve months is around 1.60%, less than BAMU's 3.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKW ARK Next Generation Internet ETF	1.60%	1.59%	0.00%	0.00%	0.00%	0.17%	1.29%	0.00%	13.05%	2.05%	0.00%	2.29%
BAMU Brookstone Ultra-Short Bond ETF	3.06%	3.20%	3.97%	0.84%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ARKW and BAMU in my portfolio?

ARKW and BAMU have a correlation of -0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ARKW or BAMU?

ARKW has higher volatility (7.95%) compared to BAMU (0.07%). In terms of maximum drawdown, ARKW dropped -80.52% vs BAMU's -0.36%.

Which ETF is better, ARKW or BAMU?

On 1-year performance, ARKW leads with 19.55% vs 2.93% for BAMU. On fees, ARKW is cheaper at 0.76% per year. On volatility, BAMU has been the lower-risk option at 0.07%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ARKW or BAMU?

Over the 1-year period, ARKW has performed better with a 19.55% return vs 2.93%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ARKW or BAMU?

ARKW is cheaper with a 0.76% expense ratio, compared with 1.09% for BAMU.

Which ETF pays a higher dividend yield, ARKW or BAMU?

BAMU has the higher dividend yield at 3.06%, compared with 1.60% for ARKW.

What is the main difference between ARKW and BAMU?

ARKW is categorized as Mid Cap Growth Equities, while BAMU is Ultrashort Bond. They also come from different issuers: ARK and Brookstone. Their fees differ too: 0.76% for ARKW and 1.09% for BAMU.

Which has better risk-adjusted returns?

BAMU currently has the higher Sharpe Ratio (4.98 vs 0.60), 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.