SPTU vs. CUSD

Last updated Jul 17, 2026

SPTU (State Street SPDR Portfolio Ultra Short T-Bill ETF) and CUSD (CrossingBridge Ultra-Short Duration ETF) are both Ultrashort Bond funds. SPTU is passively managed, while CUSD is actively managed. At a correlation of -0.02, they often move in opposite directions. SPTU charges 0.05%/yr vs 0.81%/yr for CUSD.

Performance

SPTU vs. CUSD - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Portfolio Ultra Short T-Bill ETF (SPTU) and CrossingBridge Ultra-Short Duration ETF (CUSD). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPTU achieves a 1.90% return, which is significantly lower than CUSD's 2.92% return.

SPTU

• 1D: 0.00%
• 1M: 0.30%
• 6M: 1.78%
• YTD: 1.90%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

CUSD

• 1D: 0.00%
• 1M: 1.77%
• 6M: 1.45%
• YTD: 2.92%
• 1Y: 4.60%
• 3Y*: 5.00%
• 5Y*: —
• 10Y*: —

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

SPTU vs. CUSD - Yearly Performance Comparison

	2026 (YTD)	2025
SPTU State Street SPDR Portfolio Ultra Short T-Bill ETF	1.90%	0.87%
CUSD CrossingBridge Ultra-Short Duration ETF	2.92%	0.06%

Correlation

The correlation between SPTU and CUSD is -0.02, 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 (All Time) Calculated using the full available price history since Oct 8, 2025	-0.02

Return for Risk

SPTU vs. CUSD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street SPDR Portfolio Ultra Short T-Bill ETF (SPTU) and CrossingBridge Ultra-Short Duration ETF (CUSD). 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.

	SPTU	CUSD	Difference
Sharpe ratio: Return per unit of total volatility	—	0.28	—
Sortino ratio: Return per unit of downside risk	—	0.54	—
Omega ratio: Gain probability vs. loss probability	—	1.08	—
Calmar ratio: Return relative to maximum drawdown	—	0.84	—
Martin ratio: Return relative to average drawdown	—	2.02	—

Drawdowns

SPTU vs. CUSD - Drawdown Comparison

The maximum SPTU drawdown since its inception was -0.04%, smaller than the maximum CUSD drawdown of -5.42%. Use the drawdown chart below to compare losses from any high point for SPTU and CUSD.

Drawdown Indicators

	SPTU	CUSD	Difference
Max Drawdown Largest peak-to-trough decline	-0.04%	-5.42%	+5.38%
Max Drawdown (1Y) Largest decline over 1 year	—	-5.42%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-5.42%	—
Current Drawdown Current decline from peak	0.00%	-1.95%	+1.95%
Average Drawdown Average peak-to-trough decline	-0.00%	-0.51%	+0.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.25%	—

Volatility

Volatility by Period

	SPTU	CUSD	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	8.32%	—
Volatility (6M) Calculated over the trailing 6-month period	—	12.37%	—
Volatility (1Y) Calculated over the trailing 1-year period	0.32%	16.25%	-15.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.32%	8.04%	-7.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.32%	8.04%	-7.72%

SPTU vs. CUSD - Expense Ratio Comparison

SPTU has a 0.05% expense ratio, which is lower than CUSD's 0.81% expense ratio.

Dividends

SPTU vs. CUSD - Dividend Comparison

SPTU's dividend yield for the trailing twelve months is around 2.66%, while CUSD has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022
CUSD CrossingBridge Ultra-Short Duration ETF	13.65%	14.05%	7.10%	3.62%	1.14%
SPTU State Street SPDR Portfolio Ultra Short T-Bill ETF	2.66%	0.89%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SPTU and CUSD in my portfolio?

SPTU and CUSD have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SPTU or CUSD?

On fees, SPTU is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SPTU or CUSD?

SPTU is cheaper with a 0.05% expense ratio, compared with 0.81% for CUSD.

Which ETF pays a higher dividend yield, SPTU or CUSD?

CUSD has the higher dividend yield at 13.65%, compared with 2.66% for SPTU.

What is the main difference between SPTU and CUSD?

They also come from different issuers: State Street and CrossingBridge. Their fees differ too: 0.05% for SPTU and 0.81% for CUSD.