TAFI vs. BNO

Last updated Jun 3, 2026

TAFI (AB Tax-Aware Short Duration ETF) and BNO (United States Brent Oil Fund LP) are both exchange-traded funds - TAFI is a Municipal Bonds fund actively managed by AllianceBernstein, while BNO is a Oil & Gas fund tracking the Front Month Brent Crude Oil. TAFI is actively managed, while BNO is passively managed. Over the past 3 years, TAFI returned 3.68%/yr vs 27.10%/yr for BNO. At a correlation of -0.10, they often move in opposite directions. TAFI charges 0.27%/yr vs 0.90%/yr for BNO.

Performance

TAFI vs. BNO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB Tax-Aware Short Duration ETF (TAFI) and United States Brent Oil Fund LP (BNO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TAFI achieves a 1.11% return, which is significantly lower than BNO's 86.76% return.

TAFI

• 1D: 0.08%
• 1M: 0.35%
• YTD: 1.11%
• 6M: 1.46%
• 1Y: 4.14%
• 3Y*: 3.68%
• 5Y*: —
• 10Y*: —

BNO

• 1D: 0.76%
• 1M: -7.65%
• YTD: 86.76%
• 6M: 83.45%
• 1Y: 89.50%
• 3Y*: 27.10%
• 5Y*: 23.77%
• 10Y*: 13.38%

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

TAFI vs. BNO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
TAFI AB Tax-Aware Short Duration ETF	1.11%	4.35%	2.48%	4.10%	0.54%
BNO United States Brent Oil Fund LP	86.76%	-5.44%	9.67%	-3.43%	-4.91%

Correlation

The correlation between TAFI and BNO is -0.16, 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	-0.16
Correlation (3Y) Calculated over the trailing 3-year period	-0.12
Correlation (All Time) Calculated using the full available price history since Sep 15, 2022	-0.10

Return for Risk

TAFI vs. BNO — Risk / Return Rank

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

TAFI

TAFI Risk / Return Rank: 80
TAFI Sharpe Ratio Rank: 85
TAFI Sortino Ratio Rank: 92
TAFI Omega Ratio Rank: 91
TAFI Calmar Ratio Rank: 66
TAFI Martin Ratio Rank: 65

BNO

BNO Risk / Return Rank: 65
BNO Sharpe Ratio Rank: 64
BNO Sortino Ratio Rank: 56
BNO Omega Ratio Rank: 60
BNO Calmar Ratio Rank: 89
BNO Martin Ratio Rank: 57

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.

TAFI vs. BNO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB Tax-Aware Short Duration ETF (TAFI) and United States Brent Oil Fund LP (BNO). 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.

	TAFI	BNO	Difference
Sharpe ratio Return per unit of total volatility	2.84	2.17	+0.67
Sortino ratio Return per unit of downside risk	4.57	2.68	+1.89
Omega ratio Gain probability vs. loss probability	1.60	1.37	+0.23
Calmar ratio Return relative to maximum drawdown	3.32	5.39	-2.07
Martin ratio Return relative to average drawdown	11.99	10.23	+1.76
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TAFI vs. BNO - Sharpe Ratio Comparison

The current TAFI Sharpe Ratio is 2.84, which is higher than the BNO Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of TAFI and BNO, 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

	TAFI	BNO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.84	2.17	+0.67
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.68	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.37	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.72	0.14	+1.58

Drawdowns

TAFI vs. BNO - Drawdown Comparison

The maximum TAFI drawdown since its inception was -2.00%, smaller than the maximum BNO drawdown of -87.06%. Use the drawdown chart below to compare losses from any high point for TAFI and BNO.

Drawdown Indicators

	TAFI	BNO	Difference
Max Drawdown Largest peak-to-trough decline	-2.00%	-87.06%	+85.06%
Max Drawdown (1Y) Largest decline over 1 year	-1.21%	-17.87%	+16.66%
Max Drawdown (3Y) Largest decline over 3 years	-1.87%	-23.75%	+21.88%
Max Drawdown (5Y) Largest decline over 5 years	—	-33.70%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-75.18%	—
Current Drawdown Current decline from peak	-0.21%	-12.04%	+11.83%
Average Drawdown Average peak-to-trough decline	-0.38%	-40.18%	+39.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.34%	9.43%	-9.09%

Volatility

TAFI vs. BNO - Volatility Comparison

The current volatility for AB Tax-Aware Short Duration ETF (TAFI) is 0.46%, while United States Brent Oil Fund LP (BNO) has a volatility of 15.03%. This indicates that TAFI experiences smaller price fluctuations and is considered to be less risky than BNO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TAFI	BNO	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.46%	15.03%	-14.57%
Volatility (6M) Calculated over the trailing 6-month period	0.95%	36.08%	-35.13%
Volatility (1Y) Calculated over the trailing 1-year period	1.47%	41.56%	-40.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.98%	35.37%	-33.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.98%	36.68%	-34.70%

TAFI vs. BNO - Expense Ratio Comparison

TAFI has a 0.27% expense ratio, which is lower than BNO's 0.90% expense ratio.

Dividends

TAFI vs. BNO - Dividend Comparison

TAFI's dividend yield for the trailing twelve months is around 3.15%, while BNO has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022
BNO United States Brent Oil Fund LP	0.00%	0.00%	0.00%	0.00%	0.00%
TAFI AB Tax-Aware Short Duration ETF	3.15%	3.21%	3.34%	3.27%	0.79%

Frequently Asked Questions

Can I hold both TAFI and BNO in my portfolio?

TAFI and BNO have a correlation of -0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TAFI or BNO?

BNO has higher volatility (15.03%) compared to TAFI (0.46%). In terms of maximum drawdown, TAFI dropped -2.00% vs BNO's -87.06%.

Which ETF is better, TAFI or BNO?

On 3-year performance, BNO leads with 27.10% vs 3.68% for TAFI. On fees, TAFI is cheaper at 0.27% per year. On volatility, TAFI has been the lower-risk option at 0.46%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TAFI or BNO?

Over the 3-year period, BNO has performed better with a 27.10% return vs 3.68%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TAFI or BNO?

TAFI is cheaper with a 0.27% expense ratio, compared with 0.90% for BNO.

Which ETF pays a higher dividend yield, TAFI or BNO?

TAFI has the higher dividend yield at 3.15%, compared with 0.00% for BNO.

What is the main difference between TAFI and BNO?

TAFI is categorized as Municipal Bonds, while BNO is Oil & Gas. They also come from different issuers: AllianceBernstein and Concierge Technologies. Their fees differ too: 0.27% for TAFI and 0.90% for BNO.

Which has better risk-adjusted returns?

TAFI currently has the higher Sharpe Ratio (2.84 vs 2.17), 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.