BAMU vs. TFLO

Last updated Aug 4, 2026

BAMU (Brookstone Ultra-Short Bond ETF) and TFLO (iShares Treasury Floating Rate Bond ETF) are both exchange-traded funds - BAMU is a Ultrashort Bond fund actively managed by Brookstone, while TFLO is a Government Bonds fund tracking the Bloomberg U.S. Treasury Floating Rate Index. BAMU is actively managed, while TFLO is passively managed. Over the past year, BAMU returned 2.83% vs 3.90% for TFLO. Their 0.13 correlation means their historical movements had little consistent relationship. BAMU charges 1.09%/yr vs 0.15%/yr for TFLO.

Performance

BAMU vs. TFLO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Brookstone Ultra-Short Bond ETF (BAMU) and iShares Treasury Floating Rate Bond ETF (TFLO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BAMU achieves a 1.52% return, which is significantly lower than TFLO's 2.24% return.

BAMU

• 1D: 0.04%
• 1M: 0.24%
• 6M: 1.24%
• YTD: 1.52%
• 1Y: 2.83%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 3.54%

TFLO

• 1D: 0.02%
• 1M: 0.30%
• 6M: 1.90%
• YTD: 2.24%
• 1Y: 3.90%
• 3Y*: 4.63%
• 5Y*: 3.77%
• 10Y*: 2.42%
• ALL TIME*: 1.96%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
BAMU Brookstone Ultra-Short Bond ETF	$205.15K	$225.66K	$217.36K
TFLO iShares Treasury Floating Rate Bond ETF	$86.01M	$74.39M	$76.29M

BAMU vs. TFLO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
BAMU Brookstone Ultra-Short Bond ETF	1.52%	3.21%	4.14%	1.20%
TFLO iShares Treasury Floating Rate Bond ETF	2.24%	4.22%	5.34%	1.32%

Correlation

The correlation between BAMU and TFLO is 0.06, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.06
Correlation (All Time) Calculated using the full available price history since Sep 27, 2023	0.13

Return for Risk

BAMU vs. TFLO — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

BAMU

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

TFLO

TFLO Risk / Return Rank: 100
TFLO Sharpe Ratio Rank: 100
TFLO Sortino Ratio Rank: 100
TFLO Omega Ratio Rank: 100
TFLO Calmar Ratio Rank: 100
TFLO Martin Ratio Rank: 100

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

BAMU vs. TFLO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Brookstone Ultra-Short Bond ETF (BAMU) and iShares Treasury Floating Rate Bond ETF (TFLO). 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.

	BAMU	TFLO	Difference
Sharpe ratio: Return per unit of total volatility	4.89	13.72	-8.83
Sortino ratio: Return per unit of downside risk	8.61	46.98	-38.38
Omega ratio: Gain probability vs. loss probability	2.40	12.25	-9.84
Calmar ratio: Return relative to maximum drawdown	24.03	197.78	-173.75
Martin ratio: Return relative to average drawdown	95.51	760.24	-664.73

BAMU vs. TFLO - Sharpe Ratio Comparison

The current BAMU Sharpe Ratio is 4.89, which is lower than the TFLO Sharpe Ratio of 13.72. The chart below compares the historical Sharpe Ratios of BAMU and TFLO, 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

BAMU vs. TFLO - Drawdown Comparison

The maximum BAMU drawdown since its inception was -0.36%, smaller than the maximum TFLO drawdown of -5.01%. Use the drawdown chart below to compare losses from any high point for BAMU and TFLO.

Drawdown Indicators

	BAMU	TFLO	Difference
Max Drawdown Largest peak-to-trough decline	-0.36%	-5.01%	+4.65%
Max Drawdown (1Y) Largest decline over 1 year	-0.12%	-0.02%	-0.10%
Max Drawdown (3Y) Largest decline over 3 years	—	-0.04%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-0.13%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-0.16%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.02%	-0.10%	+0.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.03%	0.01%	+0.02%

Volatility

BAMU vs. TFLO - Volatility Comparison

Brookstone Ultra-Short Bond ETF (BAMU) has a higher volatility of 0.10% compared to iShares Treasury Floating Rate Bond ETF (TFLO) at 0.07%. This indicates that BAMU's price experiences larger fluctuations and is considered to be riskier than TFLO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BAMU	TFLO	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.10%	0.07%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	0.36%	0.19%	+0.17%
Volatility (1Y) Calculated over the trailing 1-year period	0.58%	0.29%	+0.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.85%	0.35%	+0.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.85%	0.45%	+0.40%

BAMU vs. TFLO - Expense Ratio Comparison

BAMU has a 1.09% expense ratio, which is higher than TFLO's 0.15% expense ratio.

Dividends

BAMU vs. TFLO - Dividend Comparison

BAMU's dividend yield for the trailing twelve months is around 3.04%, less than TFLO's 3.79% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BAMU Brookstone Ultra-Short Bond ETF	3.04%	3.20%	3.97%	0.84%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TFLO iShares Treasury Floating Rate Bond ETF	3.79%	4.16%	5.21%	4.88%	1.68%	0.00%	0.36%	2.08%	1.65%	0.86%	0.31%	0.15%

Frequently Asked Questions

Can I hold both BAMU and TFLO in my portfolio?

BAMU and TFLO have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BAMU or TFLO?

BAMU has higher volatility (0.10%) compared to TFLO (0.07%). In terms of maximum drawdown, BAMU dropped -0.36% vs TFLO's -5.01%.

Which ETF is better, BAMU or TFLO?

On 1-year performance, TFLO leads with 3.90% vs 2.83% for BAMU. On fees, TFLO is cheaper at 0.15% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BAMU or TFLO?

Over the 1-year period, TFLO has performed better with a 3.90% return vs 2.83%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BAMU or TFLO?

TFLO is cheaper with a 0.15% expense ratio, compared with 1.09% for BAMU.

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

TFLO has the higher dividend yield at 3.79%, compared with 3.04% for BAMU.

What is the main difference between BAMU and TFLO?

BAMU is categorized as Ultrashort Bond, while TFLO is Government Bonds. They also come from different issuers: Brookstone and iShares. Their fees differ too: 1.09% for BAMU and 0.15% for TFLO.

Which has better risk-adjusted returns?

TFLO currently has the higher Sharpe Ratio (13.72 vs 4.89), 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.