ROBN vs. CAOS

Last updated Jul 16, 2026

ROBN (T-REX 2X Long HOOD Daily Target ETF) and CAOS (Alpha Architect Tail Risk ETF) are both exchange-traded funds - ROBN is a Leveraged Equities fund actively managed by T-Rex, while CAOS is a Options Trading fund actively managed by Alpha Architect. Both are actively managed. Over the past year, ROBN returned -29.71% vs 2.02% for CAOS. At a correlation of -0.24, they often move in opposite directions. ROBN charges 1.05%/yr vs 0.63%/yr for CAOS.

Performance

ROBN vs. CAOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T-REX 2X Long HOOD Daily Target ETF (ROBN) 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, ROBN achieves a -27.36% return, which is significantly lower than CAOS's 0.84% return.

ROBN

• 1D: 4.19%
• 1M: 32.51%
• 6M: -34.60%
• YTD: -27.36%
• 1Y: -29.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CAOS

• 1D: 0.06%
• 1M: 0.12%
• 6M: 0.30%
• YTD: 0.84%
• 1Y: 2.02%
• 3Y*: 3.63%
• 5Y*: —
• 10Y*: —

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

ROBN vs. CAOS - Yearly Performance Comparison

	2026 (YTD)	2025
ROBN T-REX 2X Long HOOD Daily Target ETF	-27.36%	124.78%
CAOS Alpha Architect Tail Risk ETF	0.84%	2.36%

Correlation

The correlation between ROBN and CAOS is -0.23, 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 (1Y) Calculated over the trailing 1-year period	-0.23
Correlation (All Time) Calculated using the full available price history since Jan 31, 2025	-0.24

Return for Risk

ROBN vs. CAOS — Risk / Return Rank

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

ROBN

ROBN Risk / Return Rank: 10
ROBN Sharpe Ratio Rank: 7
ROBN Sortino Ratio Rank: 15
ROBN Omega Ratio Rank: 14
ROBN Calmar Ratio Rank: 6
ROBN Martin Ratio Rank: 7

CAOS

CAOS Risk / Return Rank: 53
CAOS Sharpe Ratio Rank: 46
CAOS Sortino Ratio Rank: 52
CAOS Omega Ratio Rank: 53
CAOS Calmar Ratio Rank: 67
CAOS Martin Ratio Rank: 45

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.

ROBN vs. CAOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-REX 2X Long HOOD Daily Target ETF (ROBN) 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.

	ROBN	CAOS	Difference
Sharpe ratio: Return per unit of total volatility	-0.21	1.31	-1.53
Sortino ratio: Return per unit of downside risk	0.65	2.09	-1.44
Omega ratio: Gain probability vs. loss probability	1.08	1.27	-0.19
Calmar ratio: Return relative to maximum drawdown	-0.34	2.68	-3.02
Martin ratio: Return relative to average drawdown	-0.51	6.06	-6.57

ROBN vs. CAOS - Sharpe Ratio Comparison

The current ROBN Sharpe Ratio is -0.21, which is lower than the CAOS Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of ROBN 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

ROBN vs. CAOS - Drawdown Comparison

The maximum ROBN drawdown since its inception was -86.84%, which is greater than CAOS's maximum drawdown of -3.89%. Use the drawdown chart below to compare losses from any high point for ROBN and CAOS.

Drawdown Indicators

	ROBN	CAOS	Difference
Max Drawdown Largest peak-to-trough decline	-86.84%	-3.89%	-82.95%
Max Drawdown (1Y) Largest decline over 1 year	-86.84%	-0.76%	-86.08%
Max Drawdown (3Y) Largest decline over 3 years	—	-3.60%	—
Current Drawdown Current decline from peak	-66.08%	-1.04%	-65.04%
Average Drawdown Average peak-to-trough decline	-45.38%	-0.92%	-44.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	58.38%	0.33%	+58.05%

Volatility

ROBN vs. CAOS - Volatility Comparison

T-REX 2X Long HOOD Daily Target ETF (ROBN) has a higher volatility of 37.14% compared to Alpha Architect Tail Risk ETF (CAOS) at 0.48%. This indicates that ROBN'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

	ROBN	CAOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	37.14%	0.48%	+36.66%
Volatility (6M) Calculated over the trailing 6-month period	105.20%	1.09%	+104.11%
Volatility (1Y) Calculated over the trailing 1-year period	138.91%	1.56%	+137.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	150.94%	4.20%	+146.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	150.94%	4.20%	+146.74%

ROBN vs. CAOS - Expense Ratio Comparison

ROBN has a 1.05% expense ratio, which is higher than CAOS's 0.63% expense ratio.

Dividends

ROBN vs. CAOS - Dividend Comparison

ROBN's dividend yield for the trailing twelve months is around 6.17%, while CAOS has not paid dividends to shareholders.

Position	TTM	2025
CAOS Alpha Architect Tail Risk ETF	0.00%	0.00%
ROBN T-REX 2X Long HOOD Daily Target ETF	6.17%	4.48%

Frequently Asked Questions

Can I hold both ROBN and CAOS in my portfolio?

ROBN and CAOS have a correlation of -0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ROBN or CAOS?

ROBN has higher volatility (37.14%) compared to CAOS (0.48%). In terms of maximum drawdown, ROBN dropped -86.84% vs CAOS's -3.89%.

Which ETF is better, ROBN or CAOS?

On 1-year performance, CAOS leads with 2.02% vs -29.71% for ROBN. On fees, CAOS is cheaper at 0.63% per year. On volatility, CAOS has been the lower-risk option at 0.48%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ROBN or CAOS?

Over the 1-year period, CAOS has performed better with a 2.02% return vs -29.71%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ROBN or CAOS?

CAOS is cheaper with a 0.63% expense ratio, compared with 1.05% for ROBN.

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

ROBN has the higher dividend yield at 6.17%, compared with 0.00% for CAOS.

What is the main difference between ROBN and CAOS?

ROBN is categorized as Leveraged Equities, while CAOS is Options Trading. They also come from different issuers: T-Rex and Alpha Architect. Their fees differ too: 1.05% for ROBN and 0.63% for CAOS.

Which has better risk-adjusted returns?

CAOS currently has the higher Sharpe Ratio (1.31 vs -0.21), 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.