DECW vs. CAOS

Last updated Apr 1, 2026

Compare and contrast key facts about Allianzim U.S. Large Cap Buffer20 Dec ETF (DECW) and Alpha Architect Tail Risk ETF (CAOS).

DECW and CAOS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. DECW is an actively managed fund by Allianz. It was launched on Nov 30, 2022. CAOS is an actively managed fund by Alpha Architect. It was launched on Aug 14, 2013.

Performance

DECW vs. CAOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allianzim U.S. Large Cap Buffer20 Dec ETF (DECW) and Alpha Architect Tail Risk ETF (CAOS). The values are adjusted to include any dividend payments, if applicable.

DECW vs. CAOS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
DECW Allianzim U.S. Large Cap Buffer20 Dec ETF	-1.56%	11.57%	8.64%	12.21%
CAOS Alpha Architect Tail Risk ETF	1.10%	2.55%	5.33%	7.97%

Returns By Period

In the year-to-date period, DECW achieves a -1.56% return, which is significantly lower than CAOS's 1.10% return.

DECW

• 1D: 1.33%
• 1M: -2.08%
• YTD: -1.56%
• 6M: 1.27%
• 1Y: 11.55%
• 3Y*: 9.84%
• 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)

DECW vs. CAOS - Expense Ratio Comparison

DECW has a 0.74% expense ratio, which is higher than CAOS's 0.63% expense ratio.

DECW

Allianzim U.S. Large Cap Buffer20 Dec ETF

CAOS

Alpha Architect Tail Risk ETF

Return for Risk

DECW vs. CAOS — Risk / Return Rank

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

DECW

DECW Risk / Return Rank: 79
DECW Sharpe Ratio Rank: 73
DECW Sortino Ratio Rank: 77
DECW Omega Ratio Rank: 80
DECW Calmar Ratio Rank: 76
DECW Martin Ratio Rank: 87

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.

DECW vs. CAOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allianzim U.S. Large Cap Buffer20 Dec ETF (DECW) 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.

	DECW	CAOS	Difference
Sharpe ratio Return per unit of total volatility	1.36	0.69	+0.67
Sortino ratio Return per unit of downside risk	2.03	0.97	+1.06
Omega ratio Gain probability vs. loss probability	1.32	1.26	+0.06
Calmar ratio Return relative to maximum drawdown	2.08	0.83	+1.24
Martin ratio Return relative to average drawdown	10.79	1.38	+9.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DECW vs. CAOS - Sharpe Ratio Comparison

The current DECW Sharpe Ratio is 1.36, which is higher than the CAOS Sharpe Ratio of 0.69. The chart below compares the historical Sharpe Ratios of DECW 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

	DECW	CAOS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.36	0.69	+0.67
Sharpe Ratio (All Time) Calculated using the full available price history	1.31	1.27	+0.04

Correlation

The correlation between DECW and CAOS is 0.15, 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

DECW vs. CAOS - Dividend Comparison

Neither DECW nor CAOS has paid dividends to shareholders.

	TTM	2025	2024
DECW Allianzim U.S. Large Cap Buffer20 Dec ETF	0.00%	0.00%	1.17%
CAOS Alpha Architect Tail Risk ETF	0.00%	0.00%	0.00%

Drawdowns

DECW vs. CAOS - Drawdown Comparison

The maximum DECW drawdown since its inception was -8.76%, which is greater than CAOS's maximum drawdown of -3.60%. Use the drawdown chart below to compare losses from any high point for DECW and CAOS.

Drawdown Indicators

	DECW	CAOS	Difference
Max Drawdown Largest peak-to-trough decline	-8.76%	-3.60%	-5.16%
Max Drawdown (1Y) Largest decline over 1 year	-5.67%	-3.60%	-2.07%
Current Drawdown Current decline from peak	-2.58%	-0.80%	-1.78%
Average Drawdown Average peak-to-trough decline	-0.90%	-0.90%	0.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.09%	2.18%	-1.09%

Volatility

DECW vs. CAOS - Volatility Comparison

Allianzim U.S. Large Cap Buffer20 Dec ETF (DECW) has a higher volatility of 2.54% compared to Alpha Architect Tail Risk ETF (CAOS) at 0.74%. This indicates that DECW's price experiences larger fluctuations and is considered to be riskier than CAOS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DECW	CAOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.54%	0.74%	+1.80%
Volatility (6M) Calculated over the trailing 6-month period	4.47%	1.30%	+3.17%
Volatility (1Y) Calculated over the trailing 1-year period	8.56%	4.68%	+3.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.22%	4.37%	+2.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.22%	4.37%	+2.85%