CAS vs. CAOS

Last updated Jun 4, 2026

CAS (Simplify China A Shares PLUS Income ETF) and CAOS (Alpha Architect Tail Risk ETF) are both exchange-traded funds - CAS is a China Equities fund actively managed by Simplify, while CAOS is a Options Trading fund actively managed by Alpha Architect. Both are actively managed. A 0.60 correlation means they provide meaningful diversification when combined. CAS charges 0.88%/yr vs 0.63%/yr for CAOS.

Performance

CAS vs. CAOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Simplify China A Shares PLUS Income ETF (CAS) and Alpha Architect Tail Risk ETF (CAOS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

CAS

• 1D: -0.49%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

CAOS

• 1D: 0.12%
• 1M: -0.09%
• YTD: 0.82%
• 6M: 0.69%
• 1Y: 1.88%
• 3Y*: 4.26%
• 5Y*: —
• 10Y*: —

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

CAS vs. CAOS - Yearly Performance Comparison

	2026 (YTD)
CAS Simplify China A Shares PLUS Income ETF	-1.66%
CAOS Alpha Architect Tail Risk ETF	0.02%

Correlation

The correlation between CAS and CAOS is 0.60, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 29, 2026	0.60

CAS vs. CAOS - Sectors Allocation Comparison

Sectors	CAS	CAOS
Financial Services	43.4%	12.4%
Basic Materials	-	1.9%
Communication Services	-	10.4%
Consumer Cyclical	-	10.0%
Consumer Defensive	-	5.4%
Energy	-	4.1%
Healthcare	-	9.6%
Industrials	-	8.5%
Real Estate	-	2.0%
Technology	-	33.1%
Utilities	-	2.6%

Return for Risk

CAS vs. CAOS — Risk / Return Rank

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

CAOS

CAOS Risk / Return Rank: 40
CAOS Sharpe Ratio Rank: 34
CAOS Sortino Ratio Rank: 37
CAOS Omega Ratio Rank: 39
CAOS Calmar Ratio Rank: 49
CAOS Martin Ratio Rank: 39

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.

CAS vs. CAOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Simplify China A Shares PLUS Income ETF (CAS) 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.

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

Sharpe Ratios by Period

	CAS	CAOS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.24	—
Sharpe Ratio (All Time) Calculated using the full available price history	-3.61	1.21	-4.82

Drawdowns

CAS vs. CAOS - Drawdown Comparison

The maximum CAS drawdown since its inception was -2.59%, smaller than the maximum CAOS drawdown of -3.60%. Use the drawdown chart below to compare losses from any high point for CAS and CAOS.

Drawdown Indicators

	CAS	CAOS	Difference
Max Drawdown Largest peak-to-trough decline	-2.59%	-3.60%	+1.01%
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	-1.66%	-1.07%	-0.59%
Average Drawdown Average peak-to-trough decline	-1.72%	-0.90%	-0.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.30%	—

Volatility

Volatility by Period

	CAS	CAOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.26%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.03%	—
Volatility (1Y) Calculated over the trailing 1-year period	20.83%	1.52%	+19.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.83%	4.26%	+16.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.83%	4.26%	+16.57%

CAS vs. CAOS - Expense Ratio Comparison

CAS has a 0.88% expense ratio, which is higher than CAOS's 0.63% expense ratio.

Dividends

CAS vs. CAOS - Dividend Comparison

Neither CAS nor CAOS has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both CAS and CAOS in my portfolio?

CAS and CAOS have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CAS or CAOS?

On fees, CAOS is cheaper at 0.63% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CAS or CAOS?

CAOS is cheaper with a 0.63% expense ratio, compared with 0.88% for CAS.

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

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

What is the main difference between CAS and CAOS?

CAS is categorized as China Equities, while CAOS is Options Trading. They also come from different issuers: Simplify and Alpha Architect. Their fees differ too: 0.88% for CAS and 0.63% for CAOS.