UFIV vs. BUCK

Last updated Jun 4, 2026

UFIV (F/m US Treasury 5 Year Note ETF) and BUCK (Simplify Treasury Option Income ETF) are both Government Bonds funds. UFIV is passively managed, while BUCK is actively managed. Over the past 3 years, UFIV returned 3.12%/yr vs 5.27%/yr for BUCK. At a 0.13 correlation, their price movements are largely independent. UFIV charges 0.15%/yr vs 0.35%/yr for BUCK.

Performance

UFIV vs. BUCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in F/m US Treasury 5 Year Note ETF (UFIV) 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, UFIV achieves a -0.60% return, which is significantly lower than BUCK's 1.90% return.

UFIV

• 1D: -0.15%
• 1M: -0.24%
• YTD: -0.60%
• 6M: -0.75%
• 1Y: 2.93%
• 3Y*: 3.12%
• 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)

UFIV vs. BUCK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
UFIV F/m US Treasury 5 Year Note ETF	-0.60%	6.89%	1.09%	1.58%
BUCK Simplify Treasury Option Income ETF	1.90%	4.13%	7.25%	3.51%

Correlation

The correlation between UFIV and BUCK is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.19
Correlation (3Y) Calculated over the trailing 3-year period	0.14
Correlation (All Time) Calculated using the full available price history since Mar 29, 2023	0.13

Return for Risk

UFIV vs. BUCK — Risk / Return Rank

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

UFIV

UFIV Risk / Return Rank: 25
UFIV Sharpe Ratio Rank: 26
UFIV Sortino Ratio Rank: 26
UFIV Omega Ratio Rank: 24
UFIV Calmar Ratio Rank: 24
UFIV Martin Ratio Rank: 25

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.

UFIV vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for F/m US Treasury 5 Year Note ETF (UFIV) 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.

	UFIV	BUCK	Difference
Sharpe ratio Return per unit of total volatility	0.92	2.54	-1.62
Sortino ratio Return per unit of downside risk	1.39	3.83	-2.44
Omega ratio Gain probability vs. loss probability	1.16	1.54	-0.39
Calmar ratio Return relative to maximum drawdown	1.09	6.11	-5.02
Martin ratio Return relative to average drawdown	3.26	32.31	-29.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

UFIV vs. BUCK - Sharpe Ratio Comparison

The current UFIV Sharpe Ratio is 0.92, which is lower than the BUCK Sharpe Ratio of 2.54. The chart below compares the historical Sharpe Ratios of UFIV and BUCK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	UFIV	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.92	2.54	-1.62
Sharpe Ratio (All Time) Calculated using the full available price history	0.64	1.47	-0.83

Drawdowns

UFIV vs. BUCK - Drawdown Comparison

The maximum UFIV drawdown since its inception was -5.63%, roughly equal to the maximum BUCK drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for UFIV and BUCK.

Drawdown Indicators

	UFIV	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-5.63%	-5.43%	-0.20%
Max Drawdown (1Y) Largest decline over 1 year	-2.71%	-1.31%	-1.40%
Max Drawdown (3Y) Largest decline over 3 years	-4.03%	-5.43%	+1.40%
Current Drawdown Current decline from peak	-2.08%	-0.04%	-2.04%
Average Drawdown Average peak-to-trough decline	-1.56%	-0.49%	-1.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.90%	0.25%	+0.65%

Volatility

UFIV vs. BUCK - Volatility Comparison

F/m US Treasury 5 Year Note ETF (UFIV) has a higher volatility of 1.00% compared to Simplify Treasury Option Income ETF (BUCK) at 0.70%. This indicates that UFIV's price experiences larger fluctuations and is considered to be riskier than BUCK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UFIV	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.00%	0.70%	+0.30%
Volatility (6M) Calculated over the trailing 6-month period	2.24%	1.53%	+0.71%
Volatility (1Y) Calculated over the trailing 1-year period	3.20%	3.14%	+0.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.38%	3.49%	+0.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.38%	3.49%	+0.89%

UFIV vs. BUCK - Expense Ratio Comparison

UFIV has a 0.15% expense ratio, which is lower than BUCK's 0.35% expense ratio.

Dividends

UFIV vs. BUCK - Dividend Comparison

UFIV's dividend yield for the trailing twelve months is around 3.57%, 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%
UFIV F/m US Treasury 5 Year Note ETF	3.57%	3.66%	4.00%	2.96%	0.00%

Frequently Asked Questions

Can I hold both UFIV and BUCK in my portfolio?

UFIV and BUCK have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UFIV or BUCK?

UFIV has higher volatility (1.00%) compared to BUCK (0.70%). In terms of maximum drawdown, UFIV dropped -5.63% vs BUCK's -5.43%.

Which ETF is better, UFIV or BUCK?

On 3-year performance, BUCK leads with 5.27% vs 3.12% for UFIV. On fees, UFIV is cheaper at 0.15% per year. On volatility, BUCK has been the lower-risk option at 0.70%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, UFIV or BUCK?

Over the 3-year period, BUCK has performed better with a 5.27% return vs 3.12%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, UFIV or BUCK?

UFIV is cheaper with a 0.15% expense ratio, compared with 0.35% for BUCK.

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

BUCK has the higher dividend yield at 7.42%, compared with 3.57% for UFIV.

What is the main difference between UFIV and BUCK?

They also come from different issuers: US Benchmark Series and Simplify. Their fees differ too: 0.15% for UFIV and 0.35% for BUCK.

Which has better risk-adjusted returns?

BUCK currently has the higher Sharpe Ratio (2.54 vs 0.92), 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.