SIXO vs. CAOS

Last updated Apr 1, 2026

Compare and contrast key facts about AllianzIM U.S. Large Cap 6 Month Buffer10 Apr/Oct ETF (SIXO) and Alpha Architect Tail Risk ETF (CAOS).

SIXO and CAOS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SIXO is a passively managed fund by Allianz that tracks the performance of the S&P 500. It was launched on Sep 30, 2021. CAOS is an actively managed fund by Alpha Architect. It was launched on Aug 14, 2013.

Performance

SIXO vs. CAOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AllianzIM U.S. Large Cap 6 Month Buffer10 Apr/Oct ETF (SIXO) and Alpha Architect Tail Risk ETF (CAOS). The values are adjusted to include any dividend payments, if applicable.

SIXO vs. CAOS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SIXO AllianzIM U.S. Large Cap 6 Month Buffer10 Apr/Oct ETF	-2.74%	7.19%	12.22%	12.42%
CAOS Alpha Architect Tail Risk ETF	1.10%	2.55%	5.33%	7.97%

Returns By Period

In the year-to-date period, SIXO achieves a -2.74% return, which is significantly lower than CAOS's 1.10% return.

SIXO

• 1D: 0.03%
• 1M: -3.38%
• YTD: -2.74%
• 6M: -0.36%
• 1Y: 6.97%
• 3Y*: 8.75%
• 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)

SIXO vs. CAOS - Expense Ratio Comparison

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

SIXO

AllianzIM U.S. Large Cap 6 Month Buffer10 Apr/Oct ETF

CAOS

Alpha Architect Tail Risk ETF

Return for Risk

SIXO vs. CAOS — Risk / Return Rank

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

SIXO

SIXO Risk / Return Rank: 42
SIXO Sharpe Ratio Rank: 37
SIXO Sortino Ratio Rank: 37
SIXO Omega Ratio Rank: 50
SIXO Calmar Ratio Rank: 36
SIXO Martin Ratio Rank: 50

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.

SIXO vs. CAOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AllianzIM U.S. Large Cap 6 Month Buffer10 Apr/Oct ETF (SIXO) 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.

	SIXO	CAOS	Difference
Sharpe ratio Return per unit of total volatility	0.71	0.69	+0.03
Sortino ratio Return per unit of downside risk	1.09	0.97	+0.12
Omega ratio Gain probability vs. loss probability	1.19	1.26	-0.06
Calmar ratio Return relative to maximum drawdown	0.93	0.83	+0.09
Martin ratio Return relative to average drawdown	4.89	1.38	+3.51
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SIXO vs. CAOS - Sharpe Ratio Comparison

The current SIXO Sharpe Ratio is 0.71, which is comparable to the CAOS Sharpe Ratio of 0.69. The chart below compares the historical Sharpe Ratios of SIXO 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

	SIXO	CAOS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.71	0.69	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.74	1.27	-0.53

Correlation

The correlation between SIXO and CAOS is 0.14, 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

SIXO vs. CAOS - Dividend Comparison

Neither SIXO nor CAOS has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

SIXO vs. CAOS - Drawdown Comparison

The maximum SIXO drawdown since its inception was -12.04%, which is greater than CAOS's maximum drawdown of -3.60%. Use the drawdown chart below to compare losses from any high point for SIXO and CAOS.

Drawdown Indicators

	SIXO	CAOS	Difference
Max Drawdown Largest peak-to-trough decline	-12.04%	-3.60%	-8.44%
Max Drawdown (1Y) Largest decline over 1 year	-7.49%	-3.60%	-3.89%
Current Drawdown Current decline from peak	-4.09%	-0.80%	-3.29%
Average Drawdown Average peak-to-trough decline	-2.07%	-0.90%	-1.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.42%	2.18%	-0.76%

Volatility

SIXO vs. CAOS - Volatility Comparison

AllianzIM U.S. Large Cap 6 Month Buffer10 Apr/Oct ETF (SIXO) has a higher volatility of 1.81% compared to Alpha Architect Tail Risk ETF (CAOS) at 0.74%. This indicates that SIXO'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

	SIXO	CAOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.81%	0.74%	+1.07%
Volatility (6M) Calculated over the trailing 6-month period	4.68%	1.30%	+3.38%
Volatility (1Y) Calculated over the trailing 1-year period	9.83%	4.68%	+5.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.21%	4.37%	+4.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.21%	4.37%	+4.84%