VUSI vs. BUCK

Last updated Jun 4, 2026

VUSI (Voya Ultra Short Income ETF) and BUCK (Simplify Treasury Option Income ETF) are both exchange-traded funds - VUSI is a Ultrashort Bond fund actively managed by Voya, while BUCK is a Government Bonds fund actively managed by Simplify. Both are actively managed. At a correlation of -0.06, they often move in opposite directions. VUSI charges 0.25%/yr vs 0.35%/yr for BUCK.

Performance

VUSI vs. BUCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Ultra Short Income ETF (VUSI) and Simplify Treasury Option Income ETF (BUCK). 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 BUCK's 1.90% return.

VUSI

• 1D: -0.04%
• 1M: -0.34%
• YTD: -0.28%
• 6M: 0.14%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUCK

• 1D: 0.02%
• 1M: 0.38%
• YTD: 1.90%
• 6M: 2.09%
• 1Y: 7.95%
• 3Y*: 5.27%
• 5Y*: —
• 10Y*: —

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

VUSI vs. BUCK - Yearly Performance Comparison

	2026 (YTD)	2025
VUSI Voya Ultra Short Income ETF	-0.28%	0.68%
BUCK Simplify Treasury Option Income ETF	1.90%	0.61%

Correlation

The correlation between VUSI and BUCK is -0.06, 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 Nov 20, 2025	-0.06

Return for Risk

VUSI vs. BUCK — Risk / Return Rank

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

BUCK

BUCK Risk / Return Rank: 87
BUCK Sharpe Ratio Rank: 77
BUCK Sortino Ratio Rank: 84
BUCK Omega Ratio Rank: 86
BUCK Calmar Ratio Rank: 92
BUCK Martin Ratio Rank: 95

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.

VUSI vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Ultra Short Income ETF (VUSI) and Simplify Treasury Option Income ETF (BUCK). 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	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.54	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	1.47	-0.93

Drawdowns

VUSI vs. BUCK - Drawdown Comparison

The maximum VUSI drawdown since its inception was -0.86%, smaller than the maximum BUCK drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for VUSI and BUCK.

Drawdown Indicators

	VUSI	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-0.86%	-5.43%	+4.57%
Max Drawdown (1Y) Largest decline over 1 year	—	-1.31%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-5.43%	—
Current Drawdown Current decline from peak	-0.69%	-0.04%	-0.65%
Average Drawdown Average peak-to-trough decline	-0.27%	-0.49%	+0.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.25%	—

Volatility

Volatility by Period

	VUSI	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.70%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.53%	—
Volatility (1Y) Calculated over the trailing 1-year period	1.40%	3.14%	-1.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.40%	3.49%	-2.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.40%	3.49%	-2.09%

VUSI vs. BUCK - Expense Ratio Comparison

VUSI has a 0.25% expense ratio, which is lower than BUCK's 0.35% expense ratio.

Dividends

VUSI vs. BUCK - Dividend Comparison

VUSI's dividend yield for the trailing twelve months is around 0.50%, less than BUCK's 7.42% yield.

Position	TTM	2025	2024	2023	2022
BUCK Simplify Treasury Option Income ETF	7.42%	7.59%	8.84%	4.84%	0.59%
VUSI Voya Ultra Short Income ETF	0.50%	0.49%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both VUSI and BUCK in my portfolio?

VUSI and BUCK have a correlation of -0.06, 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 BUCK?

On fees, VUSI is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, VUSI or BUCK?

VUSI is cheaper with a 0.25% expense ratio, compared with 0.35% for BUCK.

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

BUCK has the higher dividend yield at 7.42%, compared with 0.50% for VUSI.

What is the main difference between VUSI and BUCK?

VUSI is categorized as Ultrashort Bond, while BUCK is Government Bonds. They also come from different issuers: Voya and Simplify. Their fees differ too: 0.25% for VUSI and 0.35% for BUCK.