QIDX vs. CAOS

Last updated Aug 2, 2026

QIDX (Indexperts Quality Earnings Focused ETF) and CAOS (Alpha Architect Tail Risk ETF) are both exchange-traded funds - QIDX is a Quality Factor fund actively managed by Indexperts, while CAOS is a Options Trading fund actively managed by Alpha Architect. Both are actively managed. Over the past year, QIDX returned 14.22% vs 1.73% for CAOS. Their -0.35 correlation means they have often moved in opposite directions in the past. QIDX charges 0.50%/yr vs 0.63%/yr for CAOS.

Performance

QIDX vs. CAOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Indexperts Quality Earnings Focused ETF (QIDX) 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, QIDX achieves a 10.40% return, which is significantly higher than CAOS's 0.76% return.

QIDX

• 1D: 0.55%
• 1M: 0.29%
• 6M: 6.42%
• YTD: 10.40%
• 1Y: 14.22%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 10.90%

CAOS

• 1D: -0.06%
• 1M: -0.01%
• 6M: 0.16%
• YTD: 0.76%
• 1Y: 1.73%
• 3Y*: 3.48%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 4.70%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CAOS Alpha Architect Tail Risk ETF	$6.81M	$5.39M	$5.09M
QIDX Indexperts Quality Earnings Focused ETF	$53.70K	$62.72K	$42.16K

QIDX vs. CAOS - Yearly Performance Comparison

	2026 (YTD)	2025
QIDX Indexperts Quality Earnings Focused ETF	10.40%	6.60%
CAOS Alpha Architect Tail Risk ETF	0.76%	2.55%

Correlation

The correlation between QIDX and CAOS is -0.34, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.34
Correlation (All Time) Calculated using the full available price history since Jan 2, 2025	-0.35

Return for Risk

QIDX vs. CAOS — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

QIDX

QIDX Risk / Return Rank: 49
QIDX Sharpe Ratio Rank: 48
QIDX Sortino Ratio Rank: 49
QIDX Omega Ratio Rank: 45
QIDX Calmar Ratio Rank: 53
QIDX Martin Ratio Rank: 53

CAOS

CAOS Risk / Return Rank: 56
CAOS Sharpe Ratio Rank: 49
CAOS Sortino Ratio Rank: 55
CAOS Omega Ratio Rank: 54
CAOS Calmar Ratio Rank: 72
CAOS Martin Ratio Rank: 48

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

QIDX vs. CAOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Indexperts Quality Earnings Focused ETF (QIDX) 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.

	QIDX	CAOS	Difference
Sharpe ratio: Return per unit of total volatility	1.20	1.19	+0.01
Sortino ratio: Return per unit of downside risk	1.78	1.89	-0.11
Omega ratio: Gain probability vs. loss probability	1.21	1.24	-0.03
Calmar ratio: Return relative to maximum drawdown	1.90	2.47	-0.57
Martin ratio: Return relative to average drawdown	6.38	5.45	+0.93

QIDX vs. CAOS - Sharpe Ratio Comparison

The current QIDX Sharpe Ratio is 1.20, which is comparable to the CAOS Sharpe Ratio of 1.19. The chart below compares the historical Sharpe Ratios of QIDX and CAOS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

QIDX vs. CAOS - Drawdown Comparison

The maximum QIDX drawdown since its inception was -14.99%, which is greater than CAOS's maximum drawdown of -3.89%. Use the drawdown chart below to compare losses from any high point for QIDX and CAOS.

Drawdown Indicators

	QIDX	CAOS	Difference
Max Drawdown Largest peak-to-trough decline	-14.99%	-3.89%	-11.10%
Max Drawdown (1Y) Largest decline over 1 year	-6.92%	-0.76%	-6.16%
Max Drawdown (3Y) Largest decline over 3 years	—	-3.60%	—
Current Drawdown Current decline from peak	-0.44%	-1.13%	+0.69%
Average Drawdown Average peak-to-trough decline	-2.13%	-0.92%	-1.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.06%	0.34%	+1.72%

Volatility

QIDX vs. CAOS - Volatility Comparison

Indexperts Quality Earnings Focused ETF (QIDX) has a higher volatility of 2.55% compared to Alpha Architect Tail Risk ETF (CAOS) at 0.51%. This indicates that QIDX'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

	QIDX	CAOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.55%	0.51%	+2.04%
Volatility (6M) Calculated over the trailing 6-month period	8.24%	1.07%	+7.17%
Volatility (1Y) Calculated over the trailing 1-year period	11.02%	1.57%	+9.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.20%	4.18%	+10.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.20%	4.18%	+10.02%

QIDX vs. CAOS - Expense Ratio Comparison

QIDX has a 0.50% expense ratio, which is lower than CAOS's 0.63% expense ratio.

Dividends

QIDX vs. CAOS - Dividend Comparison

QIDX's dividend yield for the trailing twelve months is around 0.86%, while CAOS has not paid dividends to shareholders.

Position	TTM	2025
CAOS Alpha Architect Tail Risk ETF	0.00%	0.00%
QIDX Indexperts Quality Earnings Focused ETF	0.86%	0.84%

Frequently Asked Questions

Can I hold both QIDX and CAOS in my portfolio?

QIDX and CAOS have a correlation of -0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, QIDX or CAOS?

QIDX has higher volatility (2.55%) compared to CAOS (0.51%). In terms of maximum drawdown, QIDX dropped -14.99% vs CAOS's -3.89%.

Which ETF is better, QIDX or CAOS?

On 1-year performance, QIDX leads with 14.22% vs 1.73% for CAOS. On fees, QIDX is cheaper at 0.50% per year. On volatility, CAOS has been the lower-risk option at 0.51%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, QIDX or CAOS?

Over the 1-year period, QIDX has performed better with a 14.22% return vs 1.73%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, QIDX or CAOS?

QIDX is cheaper with a 0.50% expense ratio, compared with 0.63% for CAOS.

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

QIDX has the higher dividend yield at 0.86%, compared with 0.00% for CAOS.

What is the main difference between QIDX and CAOS?

QIDX is categorized as Quality Factor, while CAOS is Options Trading. They also come from different issuers: Indexperts and Alpha Architect. Their fees differ too: 0.50% for QIDX and 0.63% for CAOS.

Which has better risk-adjusted returns?

QIDX currently has the higher Sharpe Ratio (1.20 vs 1.19), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.