AMUB vs. WEEK

Last updated Jun 23, 2026

AMUB (ETRACS Alerian MLP Index ETN Class B) and WEEK (Roundhill Weekly T-Bill ETF) are both exchange-traded funds - AMUB is a MLPs fund tracking the Alerian MLP Index, while WEEK is a Ultrashort Bond fund actively managed by Roundhill. AMUB is passively managed, while WEEK is actively managed. Over the past year, AMUB returned 10.22% vs 3.83% for WEEK. At a correlation of -0.13, they often move in opposite directions. AMUB charges 0.80%/yr vs 0.19%/yr for WEEK.

Performance

AMUB vs. WEEK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ETRACS Alerian MLP Index ETN Class B (AMUB) and Roundhill Weekly T-Bill ETF (WEEK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AMUB achieves a 11.87% return, which is significantly higher than WEEK's 1.65% return.

AMUB

• 1D: -0.02%
• 1M: -9.67%
• YTD: 11.87%
• 6M: 11.94%
• 1Y: 10.22%
• 3Y*: 14.71%
• 5Y*: 11.11%
• 10Y*: 2.59%

WEEK

• 1D: 0.01%
• 1M: 0.33%
• YTD: 1.65%
• 6M: 1.77%
• 1Y: 3.83%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AMUB vs. WEEK - Yearly Performance Comparison

	2026 (YTD)	2025
AMUB ETRACS Alerian MLP Index ETN Class B	11.87%	-4.42%
WEEK Roundhill Weekly T-Bill ETF	1.65%	3.37%

Correlation

The correlation between AMUB and WEEK is -0.21, 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	-0.21
Correlation (All Time) Calculated using the full available price history since Mar 6, 2025	-0.13

Return for Risk

AMUB vs. WEEK — Risk / Return Rank

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

AMUB

AMUB Risk / Return Rank: 21
AMUB Sharpe Ratio Rank: 22
AMUB Sortino Ratio Rank: 21
AMUB Omega Ratio Rank: 20
AMUB Calmar Ratio Rank: 21
AMUB Martin Ratio Rank: 22

WEEK

WEEK Risk / Return Rank: 99
WEEK Sharpe Ratio Rank: 99
WEEK Sortino Ratio Rank: 99
WEEK Omega Ratio Rank: 99
WEEK Calmar Ratio Rank: 99
WEEK 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.

AMUB vs. WEEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ETRACS Alerian MLP Index ETN Class B (AMUB) and Roundhill Weekly T-Bill ETF (WEEK). 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.

	AMUB	WEEK	Difference
Sharpe ratio: Return per unit of total volatility	0.75	9.04	-8.29
Sortino ratio: Return per unit of downside risk	1.12	18.70	-17.58
Omega ratio: Gain probability vs. loss probability	1.13	4.42	-3.28
Calmar ratio: Return relative to maximum drawdown	0.96	29.62	-28.66
Martin ratio: Return relative to average drawdown	2.64	256.61	-253.97

AMUB vs. WEEK - Sharpe Ratio Comparison

The current AMUB Sharpe Ratio is 0.75, which is lower than the WEEK Sharpe Ratio of 9.04. The chart below compares the historical Sharpe Ratios of AMUB and WEEK, 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

AMUB vs. WEEK - Drawdown Comparison

The maximum AMUB drawdown since its inception was -79.46%, which is greater than WEEK's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for AMUB and WEEK.

Drawdown Indicators

	AMUB	WEEK	Difference
Max Drawdown Largest peak-to-trough decline	-79.46%	-0.13%	-79.33%
Max Drawdown (1Y) Largest decline over 1 year	-10.69%	-0.13%	-10.56%
Max Drawdown (3Y) Largest decline over 3 years	-17.22%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-20.58%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-78.86%	—	—
Current Drawdown Current decline from peak	-10.25%	0.00%	-10.25%
Average Drawdown Average peak-to-trough decline	-29.12%	-0.01%	-29.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.89%	0.01%	+3.88%

Volatility

AMUB vs. WEEK - Volatility Comparison

ETRACS Alerian MLP Index ETN Class B (AMUB) has a higher volatility of 4.72% compared to Roundhill Weekly T-Bill ETF (WEEK) at 0.13%. This indicates that AMUB's price experiences larger fluctuations and is considered to be riskier than WEEK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMUB	WEEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.72%	0.13%	+4.59%
Volatility (6M) Calculated over the trailing 6-month period	9.95%	0.27%	+9.68%
Volatility (1Y) Calculated over the trailing 1-year period	13.75%	0.43%	+13.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.11%	0.39%	+19.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.12%	0.39%	+26.73%

AMUB vs. WEEK - Expense Ratio Comparison

AMUB has a 0.80% expense ratio, which is higher than WEEK's 0.19% expense ratio.

Dividends

AMUB vs. WEEK - Dividend Comparison

AMUB has not paid dividends to shareholders, while WEEK's dividend yield for the trailing twelve months is around 3.70%.

Position	TTM	2025
AMUB ETRACS Alerian MLP Index ETN Class B	0.00%	0.00%
WEEK Roundhill Weekly T-Bill ETF	3.70%	3.27%

Frequently Asked Questions

Can I hold both AMUB and WEEK in my portfolio?

AMUB and WEEK have a correlation of -0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AMUB or WEEK?

AMUB has higher volatility (4.72%) compared to WEEK (0.13%). In terms of maximum drawdown, AMUB dropped -79.46% vs WEEK's -0.13%.

Which ETF is better, AMUB or WEEK?

On 1-year performance, AMUB leads with 10.22% vs 3.83% for WEEK. On fees, WEEK is cheaper at 0.19% per year. On volatility, WEEK has been the lower-risk option at 0.13%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AMUB or WEEK?

Over the 1-year period, AMUB has performed better with a 10.22% return vs 3.83%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AMUB or WEEK?

WEEK is cheaper with a 0.19% expense ratio, compared with 0.80% for AMUB.

Which ETF pays a higher dividend yield, AMUB or WEEK?

WEEK has the higher dividend yield at 3.70%, compared with 0.00% for AMUB.

What is the main difference between AMUB and WEEK?

AMUB is categorized as MLPs, while WEEK is Ultrashort Bond. They also come from different issuers: UBS and Roundhill. Their fees differ too: 0.80% for AMUB and 0.19% for WEEK.

Which has better risk-adjusted returns?

WEEK currently has the higher Sharpe Ratio (9.04 vs 0.75), 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.