RFAI vs RTX: Correlation
Measured on weekly returns over the past three years, RF Acquisition Corp II (RFAI) and RTX Corporation (RTX) carry a correlation of -0.18, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RFAI and RTX?
Across a 3-year window, the weekly returns of RFAI and RTX correlate at -0.18, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.24 over 1 year against -0.18 over 3. Stretching to 5 years gives n/a, with an annualized covariance of -1324.3 %².
Within RFAI's tracked universe of 65 assets, RTX comes in at #28 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months RFAI outperformed by 354.8 percentage points (+389.5% for RFAI against +34.7% for RTX). One caveat on sizing: RFAI is 11.5 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.
RFAI vs RTX: side by side
| RFAI (RF Acquisition Corp II) | RTX (RTX Corporation) | |
|---|---|---|
| 1-year return | +389.5% | +34.7% |
| 5-year return | n/a | +178.4% |
| Volatility (ann.) | 288.3% | 25.1% |
| Beta vs S&P 500 | -1.62 | 0.57 |
| Max drawdown (3Y) | -16.5% | -19.7% |
| Market cap | $0.4B | $285.8B |
| P/E (trailing) | 399.9 | 37.3 |
| Dividend yield | 0.00% | 1.31% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | RFAI | RTX |
|---|---|---|
| 2022 | – | +20.0% |
| 2023 | – | -14.4% |
| 2024 | – | +40.8% |
| 2025 | +5.2% | +61.4% |
| 2026 | +383.6% | +16.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RFAI and RTX good diversifiers for each other?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between RFAI and RTX?
The RFAI/RTX correlation stands at -0.18 on a 3-year window (1 year: -0.24, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is RTX a good diversifier for RFAI?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.18 mean?
On the −1 to +1 scale, -0.18 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/rfai-vs-rtx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/rfai-vs-rtx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RFAI correlations · RTX correlations