XONE vs. CAOS

Last updated Apr 1, 2026

Compare and contrast key facts about Bondbloxx Bloomberg One Year Target Duration US Treasury ETF (XONE) and Alpha Architect Tail Risk ETF (CAOS).

XONE and CAOS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. XONE is a passively managed fund by BondBloxx that tracks the performance of the Bloomberg US Treasury 1 Year Duration Index - Benchmark TR Gross. It was launched on Sep 13, 2022. CAOS is an actively managed fund by Alpha Architect. It was launched on Aug 14, 2013.

Performance

XONE vs. CAOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bondbloxx Bloomberg One Year Target Duration US Treasury ETF (XONE) and Alpha Architect Tail Risk ETF (CAOS). The values are adjusted to include any dividend payments, if applicable.

XONE vs. CAOS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
XONE Bondbloxx Bloomberg One Year Target Duration US Treasury ETF	0.59%	4.41%	4.83%	4.38%
CAOS Alpha Architect Tail Risk ETF	1.10%	2.55%	5.33%	7.97%

Returns By Period

In the year-to-date period, XONE achieves a 0.59% return, which is significantly lower than CAOS's 1.10% return.

XONE

• 1D: 0.03%
• 1M: 0.04%
• YTD: 0.59%
• 6M: 1.68%
• 1Y: 3.87%
• 3Y*: 4.43%
• 5Y*: —
• 10Y*: —

CAOS

• 1D: 0.07%
• 1M: 0.43%
• YTD: 1.10%
• 6M: 1.37%
• 1Y: 3.19%
• 3Y*: 5.46%
• 5Y*: —
• 10Y*: —

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

XONE vs. CAOS - Expense Ratio Comparison

XONE has a 0.03% expense ratio, which is lower than CAOS's 0.63% expense ratio.

CAOS

Alpha Architect Tail Risk ETF

XONE

Bondbloxx Bloomberg One Year Target Duration US Treasury ETF

Return for Risk

XONE vs. CAOS — Risk / Return Rank

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

XONE

XONE Risk / Return Rank: 99
XONE Sharpe Ratio Rank: 99
XONE Sortino Ratio Rank: 99
XONE Omega Ratio Rank: 99
XONE Calmar Ratio Rank: 99
XONE Martin Ratio Rank: 99

CAOS

CAOS Risk / Return Rank: 41
CAOS Sharpe Ratio Rank: 39
CAOS Sortino Ratio Rank: 36
CAOS Omega Ratio Rank: 72
CAOS Calmar Ratio Rank: 35
CAOS Martin Ratio Rank: 23

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.

XONE vs. CAOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bondbloxx Bloomberg One Year Target Duration US Treasury ETF (XONE) and Alpha Architect Tail Risk ETF (CAOS). 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.

	XONE	CAOS	Difference
Sharpe ratio Return per unit of total volatility	6.42	0.69	+5.73
Sortino ratio Return per unit of downside risk	13.79	0.97	+12.82
Omega ratio Gain probability vs. loss probability	3.08	1.26	+1.82
Calmar ratio Return relative to maximum drawdown	19.78	0.83	+18.94
Martin ratio Return relative to average drawdown	88.34	1.38	+86.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XONE vs. CAOS - Sharpe Ratio Comparison

The current XONE Sharpe Ratio is 6.42, which is higher than the CAOS Sharpe Ratio of 0.69. The chart below compares the historical Sharpe Ratios of XONE and CAOS, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	XONE	CAOS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	6.42	0.69	+5.73
Sharpe Ratio (All Time) Calculated using the full available price history	4.95	1.27	+3.68

Correlation

The correlation between XONE and CAOS is 0.05, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

XONE vs. CAOS - Dividend Comparison

XONE's dividend yield for the trailing twelve months is around 4.20%, while CAOS has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022
XONE Bondbloxx Bloomberg One Year Target Duration US Treasury ETF	4.20%	4.33%	5.21%	4.46%	1.17%
CAOS Alpha Architect Tail Risk ETF	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

XONE vs. CAOS - Drawdown Comparison

The maximum XONE drawdown since its inception was -0.40%, smaller than the maximum CAOS drawdown of -3.60%. Use the drawdown chart below to compare losses from any high point for XONE and CAOS.

Drawdown Indicators

	XONE	CAOS	Difference
Max Drawdown Largest peak-to-trough decline	-0.40%	-3.60%	+3.20%
Max Drawdown (1Y) Largest decline over 1 year	-0.20%	-3.60%	+3.40%
Current Drawdown Current decline from peak	0.00%	-0.80%	+0.80%
Average Drawdown Average peak-to-trough decline	-0.05%	-0.90%	+0.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.04%	2.18%	-2.14%

Volatility

XONE vs. CAOS - Volatility Comparison

The current volatility for Bondbloxx Bloomberg One Year Target Duration US Treasury ETF (XONE) is 0.21%, while Alpha Architect Tail Risk ETF (CAOS) has a volatility of 0.74%. This indicates that XONE experiences smaller price fluctuations and is considered to be less risky than CAOS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XONE	CAOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.21%	0.74%	-0.53%
Volatility (6M) Calculated over the trailing 6-month period	0.34%	1.30%	-0.96%
Volatility (1Y) Calculated over the trailing 1-year period	0.61%	4.68%	-4.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.87%	4.37%	-3.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.87%	4.37%	-3.50%