TUSB vs. SPTU

Last updated Jun 4, 2026

TUSB (Thrivent Ultra Short Bond ETF) and SPTU (State Street SPDR Portfolio Ultra Short T-Bill ETF) are both Ultrashort Bond funds. TUSB is actively managed, while SPTU is passively managed. At a 0.07 correlation, their price movements are largely independent. TUSB charges 0.20%/yr vs 0.05%/yr for SPTU.

Performance

TUSB vs. SPTU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Thrivent Ultra Short Bond ETF (TUSB) and State Street SPDR Portfolio Ultra Short T-Bill ETF (SPTU). 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 SPTU's 1.48% return.

TUSB

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

SPTU

• 1D: 0.00%
• 1M: 0.31%
• YTD: 1.48%
• 6M: 1.81%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TUSB vs. SPTU - Yearly Performance Comparison

	2026 (YTD)	2025
TUSB Thrivent Ultra Short Bond ETF	1.78%	0.92%
SPTU State Street SPDR Portfolio Ultra Short T-Bill ETF	1.48%	0.92%

Correlation

The correlation between TUSB and SPTU is 0.07, 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 9, 2025	0.07

Return for Risk

TUSB vs. SPTU — 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

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. SPTU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Thrivent Ultra Short Bond ETF (TUSB) and State Street SPDR Portfolio Ultra Short T-Bill ETF (SPTU). 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	SPTU	Difference
Sharpe ratio Return per unit of total volatility	5.03	—	—
Sortino ratio Return per unit of downside risk	8.97	—	—
Omega ratio Gain probability vs. loss probability	2.24	—	—
Calmar ratio Return relative to maximum drawdown	18.74	—	—
Martin ratio Return relative to average drawdown	79.65	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	TUSB	SPTU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.03	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	3.73	11.82	-8.09

Drawdowns

TUSB vs. SPTU - Drawdown Comparison

The maximum TUSB drawdown since its inception was -0.51%, which is greater than SPTU's maximum drawdown of -0.04%. Use the drawdown chart below to compare losses from any high point for TUSB and SPTU.

Drawdown Indicators

	TUSB	SPTU	Difference
Max Drawdown Largest peak-to-trough decline	-0.51%	-0.04%	-0.47%
Max Drawdown (1Y) Largest decline over 1 year	-0.25%	—	—
Current Drawdown Current decline from peak	-0.13%	0.00%	-0.13%
Average Drawdown Average peak-to-trough decline	-0.06%	-0.00%	-0.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.06%	—	—

Volatility

Volatility by Period

	TUSB	SPTU	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.33%	—	—
Volatility (6M) Calculated over the trailing 6-month period	0.66%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	0.92%	0.32%	+0.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.25%	0.32%	+0.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.25%	0.32%	+0.93%

TUSB vs. SPTU - Expense Ratio Comparison

TUSB has a 0.20% expense ratio, which is higher than SPTU's 0.05% 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. SPTU - Dividend Comparison

TUSB's dividend yield for the trailing twelve months is around 4.26%, more than SPTU's 2.36% yield.

Position	TTM	2025
SPTU State Street SPDR Portfolio Ultra Short T-Bill ETF	2.36%	0.89%
TUSB Thrivent Ultra Short Bond ETF	4.26%	3.62%

Frequently Asked Questions

Can I hold both TUSB and SPTU in my portfolio?

TUSB and SPTU have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, TUSB or SPTU?

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, TUSB or SPTU?

SPTU is cheaper with a 0.05% expense ratio, compared with 0.20% for TUSB.

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

TUSB has the higher dividend yield at 4.26%, compared with 2.36% for SPTU.

What is the main difference between TUSB and SPTU?

They also come from different issuers: Thrivent and State Street. Their fees differ too: 0.20% for TUSB and 0.05% for SPTU.