TUSB vs. WEEK

Last updated Jun 4, 2026

TUSB (Thrivent Ultra Short Bond ETF) and WEEK (Roundhill Weekly T-Bill ETF) are both Ultrashort Bond funds. Both are actively managed. Over the past year, TUSB returned 4.62% vs 3.81% for WEEK. At a 0.00 correlation, their price movements are largely independent. TUSB charges 0.20%/yr vs 0.19%/yr for WEEK.

Performance

TUSB vs. WEEK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Thrivent Ultra Short Bond ETF (TUSB) 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, TUSB achieves a 1.78% return, which is significantly higher than WEEK's 1.44% return.

TUSB

• 1D: -0.10%
• 1M: 0.44%
• YTD: 1.78%
• 6M: 2.09%
• 1Y: 4.62%
• 3Y*: —
• 5Y*: —
• 10Y*: —

WEEK

• 1D: 0.02%
• 1M: 0.28%
• YTD: 1.44%
• 6M: 1.74%
• 1Y: 3.81%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TUSB vs. WEEK - Yearly Performance Comparison

	2026 (YTD)	2025
TUSB Thrivent Ultra Short Bond ETF	1.78%	3.78%
WEEK Roundhill Weekly T-Bill ETF	1.44%	3.37%

Correlation

The correlation between TUSB and WEEK is -0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.08
Correlation (All Time) Calculated using the full available price history since Mar 7, 2025	0.00

Return for Risk

TUSB vs. WEEK — Risk / Return Rank

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

TUSB

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

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.

TUSB vs. WEEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Thrivent Ultra Short Bond ETF (TUSB) 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.

	TUSB	WEEK	Difference
Sharpe ratio: Return per unit of total volatility	5.03	9.29	-4.26
Sortino ratio: Return per unit of downside risk	8.97	19.14	-10.18
Omega ratio: Gain probability vs. loss probability	2.24	4.65	-2.41
Calmar ratio: Return relative to maximum drawdown	18.74	29.49	-10.75
Martin ratio: Return relative to average drawdown	79.65	263.82	-184.18
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TUSB vs. WEEK - Sharpe Ratio Comparison

The current TUSB Sharpe Ratio is 5.03, which is lower than the WEEK Sharpe Ratio of 9.29. The chart below compares the historical Sharpe Ratios of TUSB 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.

Sharpe Ratios by Period

	TUSB	WEEK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.03	9.29	-4.26
Sharpe Ratio (All Time) Calculated using the full available price history	3.73	10.05	-6.32

Drawdowns

TUSB vs. WEEK - Drawdown Comparison

The maximum TUSB drawdown since its inception was -0.51%, which is greater than WEEK's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for TUSB and WEEK.

Drawdown Indicators

	TUSB	WEEK	Difference
Max Drawdown Largest peak-to-trough decline	-0.51%	-0.13%	-0.38%
Max Drawdown (1Y) Largest decline over 1 year	-0.25%	-0.13%	-0.12%
Current Drawdown Current decline from peak	-0.13%	0.00%	-0.13%
Average Drawdown Average peak-to-trough decline	-0.06%	-0.01%	-0.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.06%	0.01%	+0.05%

Volatility

TUSB vs. WEEK - Volatility Comparison

Thrivent Ultra Short Bond ETF (TUSB) has a higher volatility of 0.33% compared to Roundhill Weekly T-Bill ETF (WEEK) at 0.07%. This indicates that TUSB'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

	TUSB	WEEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.33%	0.07%	+0.26%
Volatility (6M) Calculated over the trailing 6-month period	0.66%	0.25%	+0.41%
Volatility (1Y) Calculated over the trailing 1-year period	0.92%	0.41%	+0.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.25%	0.39%	+0.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.25%	0.39%	+0.86%

TUSB vs. WEEK - Expense Ratio Comparison

TUSB has a 0.20% expense ratio, which is higher than WEEK's 0.19% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

TUSB vs. WEEK - Dividend Comparison

TUSB's dividend yield for the trailing twelve months is around 4.26%, more than WEEK's 3.72% yield.

Position	TTM	2025
TUSB Thrivent Ultra Short Bond ETF	4.26%	3.62%
WEEK Roundhill Weekly T-Bill ETF	3.72%	3.27%

Frequently Asked Questions

Can I hold both TUSB and WEEK in my portfolio?

TUSB and WEEK have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TUSB or WEEK?

TUSB has higher volatility (0.33%) compared to WEEK (0.07%). In terms of maximum drawdown, TUSB dropped -0.51% vs WEEK's -0.13%.

Which ETF is better, TUSB or WEEK?

On 1-year performance, TUSB leads with 4.62% vs 3.81% for WEEK. On fees, WEEK is cheaper at 0.19% per year. On volatility, WEEK has been the lower-risk option at 0.07%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TUSB or WEEK?

Over the 1-year period, TUSB has performed better with a 4.62% return vs 3.81%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TUSB or WEEK?

WEEK is cheaper with a 0.19% expense ratio, compared with 0.20% for TUSB.

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

TUSB has the higher dividend yield at 4.26%, compared with 3.72% for WEEK.

What is the main difference between TUSB and WEEK?

They also come from different issuers: Thrivent and Roundhill. Their fees differ too: 0.20% for TUSB and 0.19% for WEEK.

Which has better risk-adjusted returns?

WEEK currently has the higher Sharpe Ratio (9.29 vs 5.03), 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.