RYLG vs. CAOS
RYLG (Global X Russell 2000 Covered Call & Growth ETF) and CAOS (Alpha Architect Tail Risk ETF) are both exchange-traded funds - RYLG is a Derivative Income fund tracking the Cboe Russell 2000 Half BuyWrite Index, while CAOS is a Options Trading fund actively managed by Alpha Architect. RYLG is passively managed, while CAOS is actively managed. Over the past 3 years, RYLG returned 11.53%/yr vs 3.48%/yr for CAOS. Their 0.01 correlation means their historical movements had little consistent relationship. RYLG charges 0.35%/yr vs 0.63%/yr for CAOS.
Performance
RYLG vs. CAOS - Performance Comparison
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Returns By Period
In the year-to-date period, RYLG achieves a 15.26% return, which is significantly higher than CAOS's 0.76% return.
RYLG
- 1D
- -0.29%
- 1M
- -0.34%
- 6M
- 11.11%
- YTD
- 15.26%
- 1Y
- 30.41%
- 3Y*
- 11.53%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 10.71%
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%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $6.81M | $5.39M | $5.09M | |
| $40.65K | $31.83K | $45.86K |
RYLG vs. CAOS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
RYLG Global X Russell 2000 Covered Call & Growth ETF | 15.26% | 9.39% | 10.57% | 0.88% |
CAOS Alpha Architect Tail Risk ETF | 0.76% | 2.55% | 5.33% | 7.43% |
Correlation
The correlation between RYLG and CAOS is -0.32, 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. | -0.32 |
Correlation (3Y) Balances recent behavior with more history. | -0.12 |
Correlation (All Time) Calculated using the full available price history since Mar 6, 2023 | 0.01 |
The correlation between RYLG and CAOS shifts across timeframes, from -0.32 (1 year) to 0.01 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
RYLG vs. CAOS — Risk / Return Rank
RYLG
CAOS
RYLG vs. CAOS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Global X Russell 2000 Covered Call & Growth ETF (RYLG) 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.
| RYLG | CAOS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.71 | ||
| Sortino ratioReturn per unit of downside risk | +0.79 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.24 | +0.10 |
| Calmar ratioReturn relative to maximum drawdown | 3.47 | 2.47 | +1.00 |
| Martin ratioReturn relative to average drawdown | 13.51 | 5.45 | +8.06 |
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Drawdowns
RYLG vs. CAOS - Drawdown Comparison
The maximum RYLG drawdown since its inception was -22.37%, which is greater than CAOS's maximum drawdown of -3.89%. Use the drawdown chart below to compare losses from any high point for RYLG and CAOS.
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Drawdown Indicators
| RYLG | CAOS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -22.37% | -3.89% | -18.48% |
Max Drawdown (1Y)Largest decline over 1 year | -8.18% | -0.76% | -7.42% |
Max Drawdown (3Y)Largest decline over 3 years | -22.37% | -3.60% | -18.77% |
Current DrawdownCurrent decline from peak | -1.02% | -1.13% | +0.11% |
Average DrawdownAverage peak-to-trough decline | -4.00% | -0.92% | -3.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.10% | 0.34% | +1.76% |
Volatility
RYLG vs. CAOS - Volatility Comparison
Global X Russell 2000 Covered Call & Growth ETF (RYLG) has a higher volatility of 3.00% compared to Alpha Architect Tail Risk ETF (CAOS) at 0.51%. This indicates that RYLG'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.
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Volatility by Period
| RYLG | CAOS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.00% | 0.51% | +2.49% |
Volatility (6M)Calculated over the trailing 6-month period | 10.95% | 1.07% | +9.88% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.95% | 1.57% | +13.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.97% | 4.18% | +12.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.97% | 4.18% | +12.79% |
RYLG vs. CAOS - Expense Ratio Comparison
RYLG has a 0.35% expense ratio, which is lower than CAOS's 0.63% expense ratio.
Dividends
RYLG vs. CAOS - Dividend Comparison
RYLG's dividend yield for the trailing twelve months is around 10.35%, while CAOS has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
CAOS Alpha Architect Tail Risk ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
RYLG Global X Russell 2000 Covered Call & Growth ETF | 10.35% | 10.82% | 23.73% | 5.78% | 4.36% |
Frequently Asked Questions
RYLG and CAOS have a correlation of -0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RYLG has higher volatility (3.00%) compared to CAOS (0.51%). In terms of maximum drawdown, RYLG dropped -22.37% vs CAOS's -3.89%.
On 3-year performance, RYLG leads with 11.53% vs 3.48% for CAOS. On fees, RYLG is cheaper at 0.35% 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.
Over the 3-year period, RYLG has performed better with a 11.53% return vs 3.48%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
RYLG is cheaper with a 0.35% expense ratio, compared with 0.63% for CAOS.
RYLG has the higher dividend yield at 10.35%, compared with 0.00% for CAOS.
RYLG is categorized as Derivative Income, while CAOS is Options Trading. They also come from different issuers: Global X and Alpha Architect. Their fees differ too: 0.35% for RYLG and 0.63% for CAOS.
RYLG currently has the higher Sharpe Ratio (1.90 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.
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