ATTR vs. CAOS

Last updated Jun 23, 2026

ATTR (Arin Tactical Tail Risk ETF) and CAOS (Alpha Architect Tail Risk ETF) are both exchange-traded funds - ATTR is a Long-Short fund actively managed by Arin Risk Advisors, while CAOS is a Options Trading fund actively managed by Alpha Architect. Both are actively managed. At a correlation of -0.24, they often move in opposite directions. Both charge a 0.63% expense ratio.

Performance

ATTR vs. CAOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Arin Tactical Tail Risk ETF (ATTR) and Alpha Architect Tail Risk ETF (CAOS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ATTR achieves a 3.80% return, which is significantly higher than CAOS's 0.75% return.

ATTR

• 1D: -0.20%
• 1M: -0.27%
• YTD: 3.80%
• 6M: 3.70%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

CAOS

• 1D: 0.11%
• 1M: -0.08%
• YTD: 0.75%
• 6M: 0.67%
• 1Y: 1.64%
• 3Y*: 3.95%
• 5Y*: —
• 10Y*: —

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

ATTR vs. CAOS - Yearly Performance Comparison

	2026 (YTD)	2025
ATTR Arin Tactical Tail Risk ETF	3.80%	0.53%
CAOS Alpha Architect Tail Risk ETF	0.75%	-0.20%

Correlation

The correlation between ATTR and CAOS is -0.24, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 28, 2025	-0.24

Return for Risk

ATTR vs. CAOS — Risk / Return Rank

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

ATTR

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

CAOS

CAOS Risk / Return Rank: 36
CAOS Sharpe Ratio Rank: 31
CAOS Sortino Ratio Rank: 34
CAOS Omega Ratio Rank: 35
CAOS Calmar Ratio Rank: 45
CAOS Martin Ratio Rank: 36

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.

ATTR vs. CAOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Arin Tactical Tail Risk ETF (ATTR) 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.

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.

	ATTR	CAOS	Difference
Sharpe ratio: Return per unit of total volatility	—	1.10	—
Sortino ratio: Return per unit of downside risk	—	1.75	—
Omega ratio: Gain probability vs. loss probability	—	1.23	—
Calmar ratio: Return relative to maximum drawdown	—	2.17	—
Martin ratio: Return relative to average drawdown	—	5.23	—

Drawdowns

ATTR vs. CAOS - Drawdown Comparison

The maximum ATTR drawdown since its inception was -1.76%, smaller than the maximum CAOS drawdown of -3.89%. Use the drawdown chart below to compare losses from any high point for ATTR and CAOS.

Drawdown Indicators

	ATTR	CAOS	Difference
Max Drawdown Largest peak-to-trough decline	-1.76%	-3.89%	+2.13%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.76%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-3.60%	—
Current Drawdown Current decline from peak	-0.63%	-1.14%	+0.51%
Average Drawdown Average peak-to-trough decline	-0.21%	-0.92%	+0.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.32%	—

Volatility

Volatility by Period

	ATTR	CAOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.32%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.05%	—
Volatility (1Y) Calculated over the trailing 1-year period	3.14%	1.50%	+1.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.14%	4.23%	-1.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.14%	4.23%	-1.09%

ATTR vs. CAOS - Expense Ratio Comparison

Both ATTR and CAOS have an expense ratio of 0.63%.

Dividends

ATTR vs. CAOS - Dividend Comparison

Neither ATTR nor CAOS has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both ATTR and CAOS in my portfolio?

ATTR and CAOS have a correlation of -0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ATTR or CAOS?

Both ETFs have the same 0.63% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ATTR or CAOS?

ATTR and CAOS have the same expense ratio: 0.63% per year.

Which ETF pays a higher dividend yield, ATTR or CAOS?

ATTR and CAOS have nearly identical dividend yields, around 0.00%.

What is the main difference between ATTR and CAOS?

ATTR is categorized as Long-Short, while CAOS is Options Trading. They also come from different issuers: Arin Risk Advisors and Alpha Architect.