ZCBA vs. BUCK

Last updated Jun 6, 2026

ZCBA (Global X Zero Coupon Bond 2030 ETF) and BUCK (Simplify Treasury Option Income ETF) are both Government Bonds funds. ZCBA is passively managed, while BUCK is actively managed. At a correlation of -0.07, they often move in opposite directions. ZCBA charges 0.07%/yr vs 0.35%/yr for BUCK.

Performance

ZCBA vs. BUCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X Zero Coupon Bond 2030 ETF (ZCBA) and Simplify Treasury Option Income ETF (BUCK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ZCBA

• 1D: -0.40%
• 1M: -1.00%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUCK

• 1D: -0.04%
• 1M: 0.38%
• YTD: 1.94%
• 6M: 2.18%
• 1Y: 7.42%
• 3Y*: 5.25%
• 5Y*: —
• 10Y*: —

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

ZCBA vs. BUCK - Yearly Performance Comparison

	2026 (YTD)
ZCBA Global X Zero Coupon Bond 2030 ETF	-0.76%
BUCK Simplify Treasury Option Income ETF	1.71%

Correlation

The correlation between ZCBA and BUCK 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 Jan 8, 2026	-0.07

Return for Risk

ZCBA 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: 86
BUCK Sharpe Ratio Rank: 77
BUCK Sortino Ratio Rank: 82
BUCK Omega Ratio Rank: 86
BUCK Calmar Ratio Rank: 91
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.

ZCBA vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Zero Coupon Bond 2030 ETF (ZCBA) 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

	ZCBA	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.40	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.58	1.47	-2.05

Drawdowns

ZCBA vs. BUCK - Drawdown Comparison

The maximum ZCBA drawdown since its inception was -2.39%, smaller than the maximum BUCK drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for ZCBA and BUCK.

Drawdown Indicators

	ZCBA	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-2.39%	-5.43%	+3.04%
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	-2.24%	-0.04%	-2.20%
Average Drawdown Average peak-to-trough decline	-1.00%	-0.49%	-0.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.25%	—

Volatility

Volatility by Period

	ZCBA	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.71%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.50%	—
Volatility (1Y) Calculated over the trailing 1-year period	3.23%	3.10%	+0.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.23%	3.48%	-0.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.23%	3.48%	-0.25%

ZCBA vs. BUCK - Expense Ratio Comparison

ZCBA has a 0.07% expense ratio, which is lower than BUCK's 0.35% expense ratio.

Dividends

ZCBA vs. BUCK - Dividend Comparison

ZCBA's dividend yield for the trailing twelve months is around 1.51%, less than BUCK's 7.41% yield.

Position	TTM	2025	2024	2023	2022
BUCK Simplify Treasury Option Income ETF	7.41%	7.59%	8.84%	4.84%	0.59%
ZCBA Global X Zero Coupon Bond 2030 ETF	1.51%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ZCBA and BUCK in my portfolio?

ZCBA and BUCK 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, ZCBA or BUCK?

On fees, ZCBA is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ZCBA or BUCK?

ZCBA is cheaper with a 0.07% expense ratio, compared with 0.35% for BUCK.

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

BUCK has the higher dividend yield at 7.41%, compared with 1.51% for ZCBA.

What is the main difference between ZCBA and BUCK?

They also come from different issuers: Global X and Simplify. Their fees differ too: 0.07% for ZCBA and 0.35% for BUCK.