XPAY vs. BUCK

Last updated Jun 4, 2026

XPAY (Roundhill S&P 500 Target 20 Managed Distribution ETF) and BUCK (Simplify Treasury Option Income ETF) are both exchange-traded funds - XPAY is a Derivative Income fund actively managed by Roundhill, while BUCK is a Government Bonds fund actively managed by Simplify. Both are actively managed. Over the past year, XPAY returned 27.22% vs 7.95% for BUCK. At a 0.14 correlation, their price movements are largely independent. XPAY charges 0.49%/yr vs 0.35%/yr for BUCK.

Performance

XPAY vs. BUCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill S&P 500 Target 20 Managed Distribution ETF (XPAY) 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, XPAY achieves a 10.83% return, which is significantly higher than BUCK's 1.90% return.

XPAY

• 1D: -0.68%
• 1M: 5.07%
• YTD: 10.83%
• 6M: 10.69%
• 1Y: 27.22%
• 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)

XPAY vs. BUCK - Yearly Performance Comparison

	2026 (YTD)	2025	2024
XPAY Roundhill S&P 500 Target 20 Managed Distribution ETF	10.83%	16.78%	3.17%
BUCK Simplify Treasury Option Income ETF	1.90%	4.13%	1.81%

Correlation

The correlation between XPAY and BUCK is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.12
Correlation (All Time) Calculated using the full available price history since Nov 1, 2024	0.14

Return for Risk

XPAY vs. BUCK — Risk / Return Rank

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

XPAY

XPAY Risk / Return Rank: 67
XPAY Sharpe Ratio Rank: 69
XPAY Sortino Ratio Rank: 67
XPAY Omega Ratio Rank: 68
XPAY Calmar Ratio Rank: 58
XPAY Martin Ratio Rank: 71

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.

XPAY vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill S&P 500 Target 20 Managed Distribution ETF (XPAY) 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.

	XPAY	BUCK	Difference
Sharpe ratio: Return per unit of total volatility	2.31	2.54	-0.23
Sortino ratio: Return per unit of downside risk	3.15	3.83	-0.68
Omega ratio: Gain probability vs. loss probability	1.42	1.54	-0.13
Calmar ratio: Return relative to maximum drawdown	2.93	6.11	-3.18
Martin ratio: Return relative to average drawdown	13.50	32.31	-18.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XPAY vs. BUCK - Sharpe Ratio Comparison

The current XPAY Sharpe Ratio is 2.31, which is comparable to the BUCK Sharpe Ratio of 2.54. The chart below compares the historical Sharpe Ratios of XPAY 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

	XPAY	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.31	2.54	-0.23
Sharpe Ratio (All Time) Calculated using the full available price history	1.21	1.47	-0.26

Drawdowns

XPAY vs. BUCK - Drawdown Comparison

The maximum XPAY drawdown since its inception was -18.20%, which is greater than BUCK's maximum drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for XPAY and BUCK.

Drawdown Indicators

	XPAY	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-18.20%	-5.43%	-12.77%
Max Drawdown (1Y) Largest decline over 1 year	-9.34%	-1.31%	-8.03%
Max Drawdown (3Y) Largest decline over 3 years	—	-5.43%	—
Current Drawdown Current decline from peak	-0.68%	-0.04%	-0.64%
Average Drawdown Average peak-to-trough decline	-2.37%	-0.49%	-1.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.02%	0.25%	+1.77%

Volatility

XPAY vs. BUCK - Volatility Comparison

Roundhill S&P 500 Target 20 Managed Distribution ETF (XPAY) has a higher volatility of 2.76% compared to Simplify Treasury Option Income ETF (BUCK) at 0.70%. This indicates that XPAY'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

	XPAY	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.76%	0.70%	+2.06%
Volatility (6M) Calculated over the trailing 6-month period	8.82%	1.53%	+7.29%
Volatility (1Y) Calculated over the trailing 1-year period	11.82%	3.14%	+8.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.70%	3.49%	+13.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.70%	3.49%	+13.21%

XPAY vs. BUCK - Expense Ratio Comparison

XPAY has a 0.49% expense ratio, which is higher than BUCK's 0.35% expense ratio.

Dividends

XPAY vs. BUCK - Dividend Comparison

XPAY's dividend yield for the trailing twelve months is around 20.37%, more 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%
XPAY Roundhill S&P 500 Target 20 Managed Distribution ETF	20.37%	21.21%	3.40%	0.00%	0.00%

Frequently Asked Questions

Can I hold both XPAY and BUCK in my portfolio?

XPAY and BUCK have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XPAY or BUCK?

XPAY has higher volatility (2.76%) compared to BUCK (0.70%). In terms of maximum drawdown, XPAY dropped -18.20% vs BUCK's -5.43%.

Which ETF is better, XPAY or BUCK?

On 1-year performance, XPAY leads with 27.22% vs 7.95% for BUCK. On fees, BUCK is cheaper at 0.35% 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, XPAY or BUCK?

Over the 1-year period, XPAY has performed better with a 27.22% return vs 7.95%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XPAY or BUCK?

BUCK is cheaper with a 0.35% expense ratio, compared with 0.49% for XPAY.

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

XPAY has the higher dividend yield at 20.37%, compared with 7.42% for BUCK.

What is the main difference between XPAY and BUCK?

XPAY is categorized as Derivative Income, while BUCK is Government Bonds. They also come from different issuers: Roundhill and Simplify. Their fees differ too: 0.49% for XPAY and 0.35% for BUCK.

Which has better risk-adjusted returns?

BUCK currently has the higher Sharpe Ratio (2.54 vs 2.31), 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.