COII vs. PAPI
COII (REX COIN Growth & Income ETF) and PAPI (Parametric Equity Premium Income ETF) are both Derivative Income funds. Both are actively managed. At a 0.09 correlation, their price movements are largely independent. COII charges 0.99%/yr vs 0.29%/yr for PAPI.
Performance
COII vs. PAPI - Performance Comparison
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Returns By Period
In the year-to-date period, COII achieves a -37.80% return, which is significantly lower than PAPI's 6.49% return.
COII
- 1D
- -7.35%
- 1M
- -19.57%
- YTD
- -37.80%
- 6M
- -48.84%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
PAPI
- 1D
- 0.64%
- 1M
- 0.17%
- YTD
- 6.49%
- 6M
- 6.38%
- 1Y
- 13.61%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
COII vs. PAPI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
COII REX COIN Growth & Income ETF | -37.80% | -25.89% |
PAPI Parametric Equity Premium Income ETF | 6.49% | 6.68% |
Correlation
The correlation between COII and PAPI is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jun 5, 2025 | 0.09 |
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Return for Risk
COII vs. PAPI — Risk / Return Rank
COII
PAPI
COII vs. PAPI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for REX COIN Growth & Income ETF (COII) and Parametric Equity Premium Income ETF (PAPI). 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.
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Sharpe Ratios by Period
| COII | PAPI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | — | 1.31 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.79 | 0.90 | -1.69 |
Drawdowns
COII vs. PAPI - Drawdown Comparison
The maximum COII drawdown since its inception was -72.22%, which is greater than PAPI's maximum drawdown of -14.27%. Use the drawdown chart below to compare losses from any high point for COII and PAPI.
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Drawdown Indicators
| COII | PAPI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -72.22% | -14.27% | -57.95% |
Max Drawdown (1Y)Largest decline over 1 year | — | -6.86% | — |
Current DrawdownCurrent decline from peak | -69.04% | -4.45% | -64.59% |
Average DrawdownAverage peak-to-trough decline | -39.11% | -2.73% | -36.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 2.55% | — |
Volatility
COII vs. PAPI - Volatility Comparison
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Volatility by Period
| COII | PAPI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 2.20% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 7.02% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 68.48% | 10.47% | +58.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 68.48% | 11.76% | +56.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 68.48% | 11.76% | +56.72% |
COII vs. PAPI - Expense Ratio Comparison
COII has a 0.99% expense ratio, which is higher than PAPI's 0.29% expense ratio.
Dividends
COII vs. PAPI - Dividend Comparison
COII's dividend yield for the trailing twelve months is around 92.44%, more than PAPI's 7.57% yield.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
COII REX COIN Growth & Income ETF | 92.44% | 41.52% | 0.00% | 0.00% |
PAPI Parametric Equity Premium Income ETF | 7.57% | 7.59% | 7.07% | 1.45% |
Frequently Asked Questions
COII and PAPI have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, PAPI is cheaper at 0.29% per year. The better choice depends on whether you care most about return, fees, risk, or income.
PAPI is cheaper with a 0.29% expense ratio, compared with 0.99% for COII.
COII has the higher dividend yield at 92.44%, compared with 7.57% for PAPI.
They also come from different issuers: REX Shares and Morgan Stanley. Their fees differ too: 0.99% for COII and 0.29% for PAPI.
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