AIFU vs RFAI: Correlation
Measured on weekly returns over the past three years, AIFU Inc. - Class A (AIFU) and RF Acquisition Corp II (RFAI) carry a correlation of -0.29, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIFU and RFAI?
Over the past 3 years, AIFU and RFAI moved with a correlation of -0.29, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.47 versus -0.29 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -9499.3 %².
RFAI is close to the least connected end of AIFU's tracked universe, ranking #10 of 10. Their recent paths diverged sharply: over the last 12 months RFAI outperformed by 464.7 percentage points (-75.2% for AIFU against +389.5% for RFAI). One caveat on sizing: RFAI is 2.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
AIFU vs RFAI: side by side
| AIFU (AIFU Inc. - Class A) | RFAI (RF Acquisition Corp II) | |
|---|---|---|
| 1-year return | -75.2% | +389.5% |
| 5-year return | -99.6% | n/a |
| Volatility (ann.) | 103.3% | 288.3% |
| Beta vs S&P 500 | 1.17 | -1.62 |
| Max drawdown (3Y) | -99.6% | -16.5% |
| Market cap | $0.1B | $0.4B |
| P/E (trailing) | – | 399.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AIFU | RFAI |
|---|---|---|
| 2022 | +3.8% | – |
| 2023 | -10.1% | – |
| 2024 | -83.5% | – |
| 2025 | -87.8% | +5.2% |
| 2026 | -58.8% | +383.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIFU and RFAI good diversifiers for each other?
By historical standards, yes. A correlation of -0.29 means the two rarely move for the same reasons.
FAQ
What is the correlation between AIFU and RFAI?
Using weekly returns as of 2026-08-27: -0.29 over 3 years, with -0.47 over the last year and n/a over 5 years.
Is RFAI a good diversifier for AIFU?
By historical standards, yes. A correlation of -0.29 means the two rarely move for the same reasons.
What does a correlation of -0.29 mean?
A reading of -0.29 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aifu-vs-rfai.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aifu-vs-rfai/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AIFU correlations · RFAI correlations
