THTA vs. WEEK

Last updated Jun 4, 2026

THTA (SoFi Enhanced Yield ETF) and WEEK (Roundhill Weekly T-Bill ETF) are both exchange-traded funds - THTA is a Derivative Income fund actively managed by SoFi, while WEEK is a Ultrashort Bond fund actively managed by Roundhill. Both are actively managed. Over the past year, THTA returned 16.78% vs 3.81% for WEEK. At a 0.10 correlation, their price movements are largely independent. THTA charges 0.49%/yr vs 0.19%/yr for WEEK.

Performance

THTA vs. WEEK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SoFi Enhanced Yield ETF (THTA) 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, THTA achieves a 6.86% return, which is significantly higher than WEEK's 1.44% return.

THTA

• 1D: -0.02%
• 1M: 0.56%
• YTD: 6.86%
• 6M: 8.04%
• 1Y: 16.78%
• 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)

THTA vs. WEEK - Yearly Performance Comparison

	2026 (YTD)	2025
THTA SoFi Enhanced Yield ETF	6.86%	-9.72%
WEEK Roundhill Weekly T-Bill ETF	1.44%	3.37%

Correlation

The correlation between THTA and WEEK is 0.09, 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	0.09
Correlation (All Time) Calculated using the full available price history since Mar 7, 2025	0.10

Return for Risk

THTA vs. WEEK — Risk / Return Rank

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

THTA

THTA Risk / Return Rank: 92
THTA Sharpe Ratio Rank: 87
THTA Sortino Ratio Rank: 90
THTA Omega Ratio Rank: 95
THTA Calmar Ratio Rank: 92
THTA Martin Ratio Rank: 97

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.

THTA vs. WEEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SoFi Enhanced Yield ETF (THTA) 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.

	THTA	WEEK	Difference
Sharpe ratio: Return per unit of total volatility	2.91	9.29	-6.38
Sortino ratio: Return per unit of downside risk	4.29	19.14	-14.85
Omega ratio: Gain probability vs. loss probability	1.75	4.65	-2.90
Calmar ratio: Return relative to maximum drawdown	6.39	29.49	-23.10
Martin ratio: Return relative to average drawdown	52.08	263.82	-211.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

THTA vs. WEEK - Sharpe Ratio Comparison

The current THTA Sharpe Ratio is 2.91, which is lower than the WEEK Sharpe Ratio of 9.29. The chart below compares the historical Sharpe Ratios of THTA 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

	THTA	WEEK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.91	9.29	-6.38
Sharpe Ratio (All Time) Calculated using the full available price history	0.08	10.05	-9.97

Drawdowns

THTA vs. WEEK - Drawdown Comparison

The maximum THTA drawdown since its inception was -31.41%, which is greater than WEEK's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for THTA and WEEK.

Drawdown Indicators

	THTA	WEEK	Difference
Max Drawdown Largest peak-to-trough decline	-31.41%	-0.13%	-31.28%
Max Drawdown (1Y) Largest decline over 1 year	-2.64%	-0.13%	-2.51%
Current Drawdown Current decline from peak	-6.79%	0.00%	-6.79%
Average Drawdown Average peak-to-trough decline	-7.52%	-0.01%	-7.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.32%	0.01%	+0.31%

Volatility

THTA vs. WEEK - Volatility Comparison

SoFi Enhanced Yield ETF (THTA) has a higher volatility of 0.75% compared to Roundhill Weekly T-Bill ETF (WEEK) at 0.07%. This indicates that THTA'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

	THTA	WEEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.75%	0.07%	+0.68%
Volatility (6M) Calculated over the trailing 6-month period	4.00%	0.25%	+3.75%
Volatility (1Y) Calculated over the trailing 1-year period	5.80%	0.41%	+5.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.25%	0.39%	+19.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.25%	0.39%	+19.86%

THTA vs. WEEK - Expense Ratio Comparison

THTA has a 0.49% expense ratio, which is higher than WEEK's 0.19% expense ratio.

Dividends

THTA vs. WEEK - Dividend Comparison

THTA's dividend yield for the trailing twelve months is around 11.26%, more than WEEK's 3.72% yield.

Position	TTM	2025	2024	2023
THTA SoFi Enhanced Yield ETF	11.26%	12.66%	12.44%	0.58%
WEEK Roundhill Weekly T-Bill ETF	3.72%	3.27%	0.00%	0.00%

Frequently Asked Questions

Can I hold both THTA and WEEK in my portfolio?

THTA and WEEK have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, THTA or WEEK?

THTA has higher volatility (0.75%) compared to WEEK (0.07%). In terms of maximum drawdown, THTA dropped -31.41% vs WEEK's -0.13%.

Which ETF is better, THTA or WEEK?

On 1-year performance, THTA leads with 16.78% 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, THTA or WEEK?

Over the 1-year period, THTA has performed better with a 16.78% return vs 3.81%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, THTA or WEEK?

WEEK is cheaper with a 0.19% expense ratio, compared with 0.49% for THTA.

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

THTA has the higher dividend yield at 11.26%, compared with 3.72% for WEEK.

What is the main difference between THTA and WEEK?

THTA is categorized as Derivative Income, while WEEK is Ultrashort Bond. They also come from different issuers: SoFi and Roundhill. Their fees differ too: 0.49% for THTA and 0.19% for WEEK.

Which has better risk-adjusted returns?

WEEK currently has the higher Sharpe Ratio (9.29 vs 2.91), 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.