AIPI vs. FSK
AIPI (REX AI Equity Premium Income ETF) is Derivative Income fund actively managed by REX, while FSK (FS KKR Capital Corp.) is a stock. Over the past year, AIPI returned 23.12% vs -38.11% for FSK. At a 0.29 correlation, their price movements are largely independent.
Performance
AIPI vs. FSK - Performance Comparison
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Returns By Period
In the year-to-date period, AIPI achieves a 6.90% return, which is significantly higher than FSK's -21.66% return.
AIPI
- 1D
- -0.32%
- 1M
- 2.47%
- YTD
- 6.90%
- 6M
- 6.01%
- 1Y
- 23.12%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
FSK
- 1D
- 2.22%
- 1M
- 0.73%
- YTD
- -21.66%
- 6M
- -24.66%
- 1Y
- -38.11%
- 3Y*
- -3.98%
- 5Y*
- -0.35%
- 10Y*
- 2.76%
AIPI vs. FSK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
AIPI REX AI Equity Premium Income ETF | 6.90% | 16.38% | 15.79% |
FSK FS KKR Capital Corp. | -21.66% | -20.38% | 16.25% |
Correlation
The correlation between AIPI and FSK is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.22 |
Correlation (All Time) Calculated using the full available price history since Jun 4, 2024 | 0.29 |
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Return for Risk
AIPI vs. FSK — Risk / Return Rank
AIPI
FSK
AIPI vs. FSK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for REX AI Equity Premium Income ETF (AIPI) and FS KKR Capital Corp. (FSK). 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.
| AIPI | FSK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.64 | ||
| Sortino ratioReturn per unit of downside risk | +3.62 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 0.77 | +0.49 |
| Calmar ratioReturn relative to maximum drawdown | 1.57 | -0.76 | +2.33 |
| Martin ratioReturn relative to average drawdown | 4.82 | -1.18 | +6.00 |
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Drawdowns
AIPI vs. FSK - Drawdown Comparison
The maximum AIPI drawdown since its inception was -25.25%, smaller than the maximum FSK drawdown of -67.20%. Use the drawdown chart below to compare losses from any high point for AIPI and FSK.
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Drawdown Indicators
| AIPI | FSK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -25.25% | -67.20% | +41.95% |
Max Drawdown (1Y)Largest decline over 1 year | -14.40% | -51.01% | +36.61% |
Max Drawdown (3Y)Largest decline over 3 years | — | -51.03% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -51.03% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -67.20% | — |
Current DrawdownCurrent decline from peak | -4.20% | -43.69% | +39.49% |
Average DrawdownAverage peak-to-trough decline | -4.64% | -13.53% | +8.89% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.67% | 32.88% | -28.21% |
Volatility
AIPI vs. FSK - Volatility Comparison
The current volatility for REX AI Equity Premium Income ETF (AIPI) is 5.30%, while FS KKR Capital Corp. (FSK) has a volatility of 7.10%. This indicates that AIPI experiences smaller price fluctuations and is considered to be less risky than FSK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AIPI | FSK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.30% | 7.10% | -1.80% |
Volatility (6M)Calculated over the trailing 6-month period | 13.53% | 26.75% | -13.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.36% | 30.85% | -14.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.42% | 24.11% | -2.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.42% | 27.93% | -6.51% |
Dividends
AIPI vs. FSK - Dividend Comparison
AIPI's dividend yield for the trailing twelve months is around 36.97%, more than FSK's 23.33% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AIPI REX AI Equity Premium Income ETF | 36.97% | 37.84% | 18.13% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
FSK FS KKR Capital Corp. | 23.33% | 18.91% | 13.35% | 14.77% | 15.20% | 11.80% | 15.46% | 12.40% | 16.41% | 11.68% | 8.65% | 9.91% |
Frequently Asked Questions
AIPI and FSK have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSK has higher volatility (7.10%) compared to AIPI (5.30%). In terms of maximum drawdown, AIPI dropped -25.25% vs FSK's -67.20%.
AIPI currently has the higher Sharpe Ratio (1.38 vs -1.26), 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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