CMBO vs. BUCK

Last updated Jun 25, 2026

CMBO (Wayfinder Dynamic U.S. Interest Rate ETF) and BUCK (Simplify Treasury Option Income ETF) are both exchange-traded funds - CMBO is a Ultrashort Bond fund actively managed by Wayfinder, while BUCK is a Government Bonds fund actively managed by Simplify. Both are actively managed. At a 0.11 correlation, their price movements are largely independent. CMBO charges 0.15%/yr vs 0.35%/yr for BUCK.

Performance

CMBO vs. BUCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Wayfinder Dynamic U.S. Interest Rate ETF (CMBO) 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, CMBO achieves a 1.82% return, which is significantly lower than BUCK's 2.29% return.

CMBO

• 1D: 0.01%
• 1M: 0.32%
• YTD: 1.82%
• 6M: 1.91%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUCK

• 1D: 0.17%
• 1M: 0.38%
• YTD: 2.29%
• 6M: 2.48%
• 1Y: 6.70%
• 3Y*: 5.30%
• 5Y*: —
• 10Y*: —

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

CMBO vs. BUCK - Yearly Performance Comparison

	2026 (YTD)	2025
CMBO Wayfinder Dynamic U.S. Interest Rate ETF	1.82%	0.55%
BUCK Simplify Treasury Option Income ETF	2.29%	0.76%

Correlation

The correlation between CMBO and BUCK is 0.11, 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 4, 2025	0.11

Return for Risk

CMBO vs. BUCK — Risk / Return Rank

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

CMBO

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

BUCK

BUCK Risk / Return Rank: 87
BUCK Sharpe Ratio Rank: 80
BUCK Sortino Ratio Rank: 83
BUCK Omega Ratio Rank: 88
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.

CMBO vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Wayfinder Dynamic U.S. Interest Rate ETF (CMBO) 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	CMBO	BUCK	Difference
Sharpe ratio: Return per unit of total volatility	—	2.27	—
Sortino ratio: Return per unit of downside risk	—	3.33	—
Omega ratio: Gain probability vs. loss probability	—	1.49	—
Calmar ratio: Return relative to maximum drawdown	—	5.14	—
Martin ratio: Return relative to average drawdown	—	27.77	—

Drawdowns

CMBO vs. BUCK - Drawdown Comparison

The maximum CMBO drawdown since its inception was -0.22%, smaller than the maximum BUCK drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for CMBO and BUCK.

Drawdown Indicators

	CMBO	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-0.22%	-5.43%	+5.21%
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	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.01%	-0.49%	+0.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.24%	—

Volatility

Volatility by Period

	CMBO	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.32%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.38%	—
Volatility (1Y) Calculated over the trailing 1-year period	0.37%	2.98%	-2.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.37%	3.46%	-3.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.37%	3.46%	-3.09%

CMBO vs. BUCK - Expense Ratio Comparison

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

Dividends

CMBO vs. BUCK - Dividend Comparison

CMBO has not paid dividends to shareholders, while BUCK's dividend yield for the trailing twelve months is around 7.39%.

Position	TTM	2025	2024	2023	2022
BUCK Simplify Treasury Option Income ETF	7.39%	7.59%	8.84%	4.84%	0.59%
CMBO Wayfinder Dynamic U.S. Interest Rate ETF	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CMBO and BUCK in my portfolio?

CMBO and BUCK have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CMBO or BUCK?

On fees, CMBO is cheaper at 0.15% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CMBO or BUCK?

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

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

BUCK has the higher dividend yield at 7.39%, compared with 0.00% for CMBO.

What is the main difference between CMBO and BUCK?

CMBO is categorized as Ultrashort Bond, while BUCK is Government Bonds. They also come from different issuers: Wayfinder and Simplify. Their fees differ too: 0.15% for CMBO and 0.35% for BUCK.