MLPB vs. AMUB

Last updated Apr 1, 2026

Compare and contrast key facts about ETRACS Alerian MLP Infrastructure Index ETN Series B (MLPB) and ETRACS Alerian MLP Index ETN Class B (AMUB).

MLPB and AMUB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MLPB is a passively managed fund by UBS that tracks the performance of the Alerian MLP Infrastructure Index. It was launched on Oct 8, 2015. AMUB is a passively managed fund by UBS that tracks the performance of the Alerian MLP Index. It was launched on Oct 8, 2015. Both MLPB and AMUB are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

MLPB vs. AMUB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ETRACS Alerian MLP Infrastructure Index ETN Series B (MLPB) and ETRACS Alerian MLP Index ETN Class B (AMUB). The values are adjusted to include any dividend payments, if applicable.

MLPB vs. AMUB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MLPB ETRACS Alerian MLP Infrastructure Index ETN Series B	16.69%	7.40%	25.53%	22.01%	30.22%	39.42%	-30.80%	5.69%	-8.79%	-9.71%
AMUB ETRACS Alerian MLP Index ETN Class B	16.54%	8.70%	23.05%	25.39%	29.89%	38.64%	-29.50%	6.26%	-13.33%	-7.19%

Returns By Period

The year-to-date returns for both stocks are quite close, with MLPB having a 16.69% return and AMUB slightly lower at 16.54%. Over the past 10 years, MLPB has underperformed AMUB with an annualized return of 9.55%, while AMUB has yielded a comparatively higher 10.32% annualized return.

MLPB

• 1D: -1.54%
• 1M: 1.21%
• YTD: 16.69%
• 6M: 20.26%
• 1Y: 11.98%
• 3Y*: 22.94%
• 5Y*: 23.10%
• 10Y*: 9.55%

AMUB

• 1D: -1.33%
• 1M: 1.05%
• YTD: 16.54%
• 6M: 20.87%
• 1Y: 12.97%
• 3Y*: 23.44%
• 5Y*: 23.20%
• 10Y*: 10.32%

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

MLPB vs. AMUB - Expense Ratio Comparison

MLPB has a 0.85% expense ratio, which is higher than AMUB's 0.80% expense ratio.

MLPB

ETRACS Alerian MLP Infrastructure Index ETN Series B

AMUB

ETRACS Alerian MLP Index ETN Class B

Return for Risk

MLPB vs. AMUB — Risk / Return Rank

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

MLPB

MLPB Risk / Return Rank: 32
MLPB Sharpe Ratio Rank: 35
MLPB Sortino Ratio Rank: 33
MLPB Omega Ratio Rank: 36
MLPB Calmar Ratio Rank: 29
MLPB Martin Ratio Rank: 25

AMUB

AMUB Risk / Return Rank: 33
AMUB Sharpe Ratio Rank: 38
AMUB Sortino Ratio Rank: 35
AMUB Omega Ratio Rank: 39
AMUB Calmar Ratio Rank: 30
AMUB Martin Ratio Rank: 25

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.

MLPB vs. AMUB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ETRACS Alerian MLP Infrastructure Index ETN Series B (MLPB) and ETRACS Alerian MLP Index ETN Class B (AMUB). 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.

	MLPB	AMUB	Difference
Sharpe ratio Return per unit of total volatility	0.64	0.69	-0.05
Sortino ratio Return per unit of downside risk	0.93	0.98	-0.05
Omega ratio Gain probability vs. loss probability	1.14	1.15	-0.01
Calmar ratio Return relative to maximum drawdown	0.69	0.72	-0.04
Martin ratio Return relative to average drawdown	1.81	1.85	-0.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MLPB vs. AMUB - Sharpe Ratio Comparison

The current MLPB Sharpe Ratio is 0.64, which is comparable to the AMUB Sharpe Ratio of 0.69. The chart below compares the historical Sharpe Ratios of MLPB and AMUB, 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

	MLPB	AMUB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.64	0.69	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.15	1.17	-0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.34	0.39	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.23	0.26	-0.03

Correlation

The correlation between MLPB and AMUB is 0.89, 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

MLPB vs. AMUB - Dividend Comparison

MLPB's dividend yield for the trailing twelve months is around 5.83%, which matches AMUB's 5.79% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MLPB ETRACS Alerian MLP Infrastructure Index ETN Series B	5.83%	6.51%	5.95%	6.37%	6.00%	6.98%	11.93%	7.98%	8.11%	7.23%	6.85%	0.00%
AMUB ETRACS Alerian MLP Index ETN Class B	5.79%	6.54%	6.02%	6.54%	6.35%	7.34%	10.94%	8.36%	8.48%	7.00%	6.61%	2.25%

Drawdowns

MLPB vs. AMUB - Drawdown Comparison

The maximum MLPB drawdown since its inception was -71.93%, roughly equal to the maximum AMUB drawdown of -73.13%. Use the drawdown chart below to compare losses from any high point for MLPB and AMUB.

Drawdown Indicators

	MLPB	AMUB	Difference
Max Drawdown Largest peak-to-trough decline	-71.93%	-73.13%	+1.20%
Max Drawdown (1Y) Largest decline over 1 year	-16.49%	-17.04%	+0.55%
Max Drawdown (5Y) Largest decline over 5 years	-20.41%	-20.58%	+0.17%
Max Drawdown (10Y) Largest decline over 10 years	-71.93%	-73.13%	+1.20%
Current Drawdown Current decline from peak	-2.68%	-2.96%	+0.28%
Average Drawdown Average peak-to-trough decline	-15.03%	-14.32%	-0.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.26%	6.62%	-0.36%

Volatility

MLPB vs. AMUB - Volatility Comparison

ETRACS Alerian MLP Infrastructure Index ETN Series B (MLPB) has a higher volatility of 3.72% compared to ETRACS Alerian MLP Index ETN Class B (AMUB) at 3.54%. This indicates that MLPB's price experiences larger fluctuations and is considered to be riskier than AMUB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MLPB	AMUB	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.72%	3.54%	+0.18%
Volatility (6M) Calculated over the trailing 6-month period	8.96%	8.96%	0.00%
Volatility (1Y) Calculated over the trailing 1-year period	18.75%	18.90%	-0.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.14%	20.01%	+0.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.10%	26.89%	+1.21%