AMUB vs. IWFL

Last updated Apr 1, 2026

Compare and contrast key facts about ETRACS Alerian MLP Index ETN Class B (AMUB) and ETRACS 2x Leveraged US Growth Factor TR ETN (IWFL).

AMUB and IWFL are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. AMUB is a passively managed fund by UBS that tracks the performance of the Alerian MLP Index. It was launched on Oct 8, 2015. IWFL is a passively managed fund by UBS that tracks the performance of the Russell 1000 Growth (200%). It was launched on Feb 5, 2021. Both AMUB and IWFL 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

AMUB vs. IWFL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ETRACS Alerian MLP Index ETN Class B (AMUB) and ETRACS 2x Leveraged US Growth Factor TR ETN (IWFL). The values are adjusted to include any dividend payments, if applicable.

AMUB vs. IWFL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
AMUB ETRACS Alerian MLP Index ETN Class B	16.54%	8.70%	23.05%	25.39%	29.89%	26.12%
IWFL ETRACS 2x Leveraged US Growth Factor TR ETN	-20.92%	18.54%	61.94%	84.47%	-55.71%	46.03%

Returns By Period

In the year-to-date period, AMUB achieves a 16.54% return, which is significantly higher than IWFL's -20.92% return.

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%

IWFL

• 1D: 8.62%
• 1M: -7.73%
• YTD: -20.92%
• 6M: -20.42%
• 1Y: 19.37%
• 3Y*: 29.85%
• 5Y*: 13.29%
• 10Y*: —

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

AMUB vs. IWFL - Expense Ratio Comparison

AMUB has a 0.80% expense ratio, which is lower than IWFL's 0.95% expense ratio.

IWFL

ETRACS 2x Leveraged US Growth Factor TR ETN

AMUB

ETRACS Alerian MLP Index ETN Class B

Return for Risk

AMUB vs. IWFL — Risk / Return Rank

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

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

IWFL

IWFL Risk / Return Rank: 28
IWFL Sharpe Ratio Rank: 22
IWFL Sortino Ratio Rank: 32
IWFL Omega Ratio Rank: 36
IWFL Calmar Ratio Rank: 26
IWFL 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.

AMUB vs. IWFL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ETRACS Alerian MLP Index ETN Class B (AMUB) and ETRACS 2x Leveraged US Growth Factor TR ETN (IWFL). 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.

	AMUB	IWFL	Difference
Sharpe ratio Return per unit of total volatility	0.69	0.35	+0.34
Sortino ratio Return per unit of downside risk	0.98	0.93	+0.05
Omega ratio Gain probability vs. loss probability	1.15	1.14	+0.01
Calmar ratio Return relative to maximum drawdown	0.72	0.60	+0.12
Martin ratio Return relative to average drawdown	1.85	1.92	-0.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AMUB vs. IWFL - Sharpe Ratio Comparison

The current AMUB Sharpe Ratio is 0.69, which is higher than the IWFL Sharpe Ratio of 0.35. The chart below compares the historical Sharpe Ratios of AMUB and IWFL, 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

	AMUB	IWFL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.69	0.35	+0.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.17	0.29	+0.88
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.26	0.26	0.00

Correlation

The correlation between AMUB and IWFL is 0.31, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

AMUB vs. IWFL - Dividend Comparison

AMUB's dividend yield for the trailing twelve months is around 5.79%, while IWFL has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
IWFL ETRACS 2x Leveraged US Growth Factor TR ETN	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

AMUB vs. IWFL - Drawdown Comparison

The maximum AMUB drawdown since its inception was -73.13%, which is greater than IWFL's maximum drawdown of -59.29%. Use the drawdown chart below to compare losses from any high point for AMUB and IWFL.

Drawdown Indicators

	AMUB	IWFL	Difference
Max Drawdown Largest peak-to-trough decline	-73.13%	-59.29%	-13.84%
Max Drawdown (1Y) Largest decline over 1 year	-17.04%	-32.80%	+15.76%
Max Drawdown (5Y) Largest decline over 5 years	-20.58%	-59.29%	+38.71%
Max Drawdown (10Y) Largest decline over 10 years	-73.13%	—	—
Current Drawdown Current decline from peak	-2.96%	-27.01%	+24.05%
Average Drawdown Average peak-to-trough decline	-14.32%	-20.34%	+6.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.62%	10.30%	-3.68%

Volatility

AMUB vs. IWFL - Volatility Comparison

The current volatility for ETRACS Alerian MLP Index ETN Class B (AMUB) is 3.54%, while ETRACS 2x Leveraged US Growth Factor TR ETN (IWFL) has a volatility of 15.12%. This indicates that AMUB experiences smaller price fluctuations and is considered to be less risky than IWFL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMUB	IWFL	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.54%	15.12%	-11.58%
Volatility (6M) Calculated over the trailing 6-month period	8.96%	26.96%	-18.00%
Volatility (1Y) Calculated over the trailing 1-year period	18.90%	55.71%	-36.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.01%	46.77%	-26.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.89%	46.78%	-19.89%