RGS vs XAIR: Correlation
Measured on weekly returns over the past three years, Regis Corporation (RGS) and Beyond Air, Inc. (XAIR) carry a correlation of -0.28, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RGS and XAIR?
Over the past 3 years, RGS and XAIR moved with a correlation of -0.28, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.05) runs above the 3-year figure (-0.28). Over 5 years the correlation is -0.19, and the annualized covariance of weekly returns is -6818.8 %².
Among the 14 assets we track against RGS, XAIR sits near the bottom by co-movement, at rank #13. Correlation aside, the last 12 months split them widely, with RGS ahead by 107.2 points (+19.7% versus -87.5%). Risk is not evenly split, since RGS carries 2.1 times the volatility of the other side.
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.
RGS vs XAIR: side by side
| RGS (Regis Corporation) | XAIR (Beyond Air, Inc.) | |
|---|---|---|
| 1-year return | +19.7% | -87.5% |
| 5-year return | -75.3% | -99.9% |
| Volatility (ann.) | 226.7% | 106.7% |
| Beta vs S&P 500 | 0.65 | 0.35 |
| Max drawdown (3Y) | -81.1% | -99.6% |
| Market cap | – | – |
| P/E (trailing) | 0.6 | 0.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RGS | XAIR |
|---|---|---|
| 2022 | -29.9% | -31.2% |
| 2023 | -61.3% | -69.8% |
| 2024 | +151.0% | -81.7% |
| 2025 | +17.0% | -89.9% |
| 2026 | -2.7% | -60.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RGS and XAIR good diversifiers for each other?
Yes. With a correlation of -0.28, RGS and XAIR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between RGS and XAIR?
Using weekly returns as of 2026-08-27: -0.28 over 3 years, with -0.05 over the last year and -0.19 over 5 years.
Is XAIR a good diversifier for RGS?
Yes. With a correlation of -0.28, RGS and XAIR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.28 mean?
On the −1 to +1 scale, -0.28 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/rgs-vs-xair.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rgs-vs-xair/)
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Hubs: RGS correlations · XAIR correlations