SDCI vs. WEEK

Last updated Jun 23, 2026

SDCI (USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund) and WEEK (Roundhill Weekly T-Bill ETF) are both exchange-traded funds - SDCI is a Commodities fund tracking the SummerHaven Dynamic Commodity Index Total Return, while WEEK is a Ultrashort Bond fund actively managed by Roundhill. SDCI is passively managed, while WEEK is actively managed. Over the past year, SDCI returned 22.52% vs 3.83% for WEEK. At a correlation of -0.21, they often move in opposite directions. SDCI charges 0.60%/yr vs 0.19%/yr for WEEK.

Performance

SDCI vs. WEEK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund (SDCI) 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, SDCI achieves a 20.29% return, which is significantly higher than WEEK's 1.65% return.

SDCI

• 1D: -0.08%
• 1M: -6.85%
• YTD: 20.29%
• 6M: 18.15%
• 1Y: 22.52%
• 3Y*: 20.41%
• 5Y*: 19.43%
• 10Y*: —

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)

SDCI vs. WEEK - Yearly Performance Comparison

	2026 (YTD)	2025
SDCI USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund	20.29%	10.53%
WEEK Roundhill Weekly T-Bill ETF	1.65%	3.37%

Correlation

The correlation between SDCI and WEEK is -0.27, 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	-0.27
Correlation (All Time) Calculated using the full available price history since Mar 6, 2025	-0.21

Return for Risk

SDCI vs. WEEK — Risk / Return Rank

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

SDCI

SDCI Risk / Return Rank: 42
SDCI Sharpe Ratio Rank: 39
SDCI Sortino Ratio Rank: 36
SDCI Omega Ratio Rank: 35
SDCI Calmar Ratio Rank: 49
SDCI Martin Ratio Rank: 49

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.

SDCI vs. WEEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund (SDCI) 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.

	SDCI	WEEK	Difference
Sharpe ratio: Return per unit of total volatility	1.34	9.04	-7.70
Sortino ratio: Return per unit of downside risk	1.84	18.70	-16.86
Omega ratio: Gain probability vs. loss probability	1.23	4.42	-3.19
Calmar ratio: Return relative to maximum drawdown	2.37	29.62	-27.25
Martin ratio: Return relative to average drawdown	7.98	256.61	-248.63

SDCI vs. WEEK - Sharpe Ratio Comparison

The current SDCI Sharpe Ratio is 1.34, which is lower than the WEEK Sharpe Ratio of 9.04. The chart below compares the historical Sharpe Ratios of SDCI 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

SDCI vs. WEEK - Drawdown Comparison

The maximum SDCI drawdown since its inception was -45.79%, which is greater than WEEK's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for SDCI and WEEK.

Drawdown Indicators

	SDCI	WEEK	Difference
Max Drawdown Largest peak-to-trough decline	-45.79%	-0.13%	-45.66%
Max Drawdown (1Y) Largest decline over 1 year	-9.53%	-0.13%	-9.40%
Max Drawdown (3Y) Largest decline over 3 years	-11.96%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-18.55%	—	—
Current Drawdown Current decline from peak	-9.53%	0.00%	-9.53%
Average Drawdown Average peak-to-trough decline	-11.55%	-0.01%	-11.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.93%	0.01%	+2.92%

Volatility

SDCI vs. WEEK - Volatility Comparison

USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund (SDCI) has a higher volatility of 3.15% compared to Roundhill Weekly T-Bill ETF (WEEK) at 0.13%. This indicates that SDCI'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

	SDCI	WEEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.15%	0.13%	+3.02%
Volatility (6M) Calculated over the trailing 6-month period	14.31%	0.27%	+14.04%
Volatility (1Y) Calculated over the trailing 1-year period	16.94%	0.43%	+16.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.37%	0.39%	+17.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.06%	0.39%	+16.67%

SDCI vs. WEEK - Expense Ratio Comparison

SDCI has a 0.60% expense ratio, which is higher than WEEK's 0.19% expense ratio.

Dividends

SDCI vs. WEEK - Dividend Comparison

SDCI's dividend yield for the trailing twelve months is around 3.06%, less than WEEK's 3.70% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
SDCI USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund	3.06%	3.68%	5.92%	3.46%	33.49%	19.26%	0.20%	0.93%	0.68%
WEEK Roundhill Weekly T-Bill ETF	3.70%	3.27%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SDCI and WEEK in my portfolio?

SDCI and WEEK have a correlation of -0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SDCI or WEEK?

SDCI has higher volatility (3.15%) compared to WEEK (0.13%). In terms of maximum drawdown, SDCI dropped -45.79% vs WEEK's -0.13%.

Which ETF is better, SDCI or WEEK?

On 1-year performance, SDCI leads with 22.52% 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, SDCI or WEEK?

Over the 1-year period, SDCI has performed better with a 22.52% return vs 3.83%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SDCI or WEEK?

WEEK is cheaper with a 0.19% expense ratio, compared with 0.60% for SDCI.

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

WEEK has the higher dividend yield at 3.70%, compared with 3.06% for SDCI.

What is the main difference between SDCI and WEEK?

SDCI is categorized as Commodities, while WEEK is Ultrashort Bond. They also come from different issuers: USCF Investments and Roundhill. Their fees differ too: 0.60% for SDCI and 0.19% for WEEK.

Which has better risk-adjusted returns?

WEEK currently has the higher Sharpe Ratio (9.04 vs 1.34), 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.