VUSI vs. SPTU

Last updated Jun 4, 2026

VUSI (Voya Ultra Short Income ETF) and SPTU (State Street SPDR Portfolio Ultra Short T-Bill ETF) are both Ultrashort Bond funds. VUSI is actively managed, while SPTU is passively managed. At a 0.20 correlation, their price movements are largely independent. VUSI charges 0.25%/yr vs 0.05%/yr for SPTU.

Performance

VUSI vs. SPTU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Ultra Short Income ETF (VUSI) 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, VUSI achieves a -0.28% return, which is significantly lower than SPTU's 1.48% return.

VUSI

• 1D: -0.04%
• 1M: -0.34%
• YTD: -0.28%
• 6M: 0.14%
• 1Y: —
• 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)

VUSI vs. SPTU - Yearly Performance Comparison

	2026 (YTD)	2025
VUSI Voya Ultra Short Income ETF	-0.28%	0.68%
SPTU State Street SPDR Portfolio Ultra Short T-Bill ETF	1.48%	0.48%

Correlation

The correlation between VUSI and SPTU is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 20, 2025	0.20

Return for Risk

VUSI vs. SPTU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Ultra Short Income ETF (VUSI) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	VUSI	SPTU	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	11.82	-11.29

Drawdowns

VUSI vs. SPTU - Drawdown Comparison

The maximum VUSI drawdown since its inception was -0.86%, which is greater than SPTU's maximum drawdown of -0.04%. Use the drawdown chart below to compare losses from any high point for VUSI and SPTU.

Drawdown Indicators

	VUSI	SPTU	Difference
Max Drawdown Largest peak-to-trough decline	-0.86%	-0.04%	-0.82%
Current Drawdown Current decline from peak	-0.69%	0.00%	-0.69%
Average Drawdown Average peak-to-trough decline	-0.27%	-0.00%	-0.27%

Volatility

Volatility by Period

	VUSI	SPTU	Difference
Volatility (1Y) Calculated over the trailing 1-year period	1.40%	0.32%	+1.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.40%	0.32%	+1.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.40%	0.32%	+1.08%

VUSI vs. SPTU - Expense Ratio Comparison

VUSI has a 0.25% 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

VUSI vs. SPTU - Dividend Comparison

VUSI's dividend yield for the trailing twelve months is around 0.50%, less than SPTU's 2.36% yield.

Position	TTM	2025
SPTU State Street SPDR Portfolio Ultra Short T-Bill ETF	2.36%	0.89%
VUSI Voya Ultra Short Income ETF	0.50%	0.49%

Frequently Asked Questions

Can I hold both VUSI and SPTU in my portfolio?

VUSI and SPTU have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, VUSI 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, VUSI or SPTU?

SPTU is cheaper with a 0.05% expense ratio, compared with 0.25% for VUSI.

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

SPTU has the higher dividend yield at 2.36%, compared with 0.50% for VUSI.

What is the main difference between VUSI and SPTU?

They also come from different issuers: Voya and State Street. Their fees differ too: 0.25% for VUSI and 0.05% for SPTU.