PSIG vs RFAI: Correlation
PS International Group Ltd. (PSIG) and RF Acquisition Corp II (RFAI) show a strong relationship: their 3-year correlation of weekly returns is 0.66.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSIG and RFAI?
Across a 3-year window, the weekly returns of PSIG and RFAI correlate at 0.66, strong. Lately the two have moved closer together, with the 1-year correlation at 0.81 versus 0.66 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of 30184.9 %².
In PSIG's tracked universe of 55 assets, RFAI sits right near the top at #1. Correlation aside, the last 12 months split them widely, with RFAI ahead by 443.4 points (-53.9% versus +389.5%). Note the risk asymmetry: RFAI runs 1.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
PSIG vs RFAI: side by side
| PSIG (PS International Group Ltd.) | RFAI (RF Acquisition Corp II) | |
|---|---|---|
| 1-year return | -53.9% | +389.5% |
| 5-year return | n/a | n/a |
| Volatility (ann.) | 157.0% | 288.3% |
| Beta vs S&P 500 | 0.97 | -1.62 |
| Max drawdown (3Y) | -96.0% | -16.5% |
| Market cap | – | $0.4B |
| P/E (trailing) | – | 399.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Are PSIG and RFAI good diversifiers for each other?
Only partially. A correlation of 0.66 means PSIG and RFAI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between PSIG and RFAI?
The PSIG/RFAI correlation stands at 0.66 on a 3-year window (1 year: 0.81, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is RFAI a good diversifier for PSIG?
Only partially. A correlation of 0.66 means PSIG and RFAI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.66 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/psig-vs-rfai.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/psig-vs-rfai/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PSIG correlations · RFAI correlations
