OABI vs RGC: Correlation
OmniAb, Inc. (OABI) and Regencell Bioscience Holdings Limited (RGC) show a negative relationship: their 3-year correlation of weekly returns is -0.23.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OABI and RGC?
Over the past 3 years, OABI and RGC moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.04) runs above the 3-year figure (-0.23). Over 5 years the correlation is -0.16, and the annualized covariance of weekly returns is -6748.1 %².
RGC is close to the least connected end of OABI's tracked universe, ranking #12 of 12. Correlation aside, the last 12 months split them widely, with OABI ahead by 247.5 points (+186.3% versus -61.2%). Risk is not evenly split, since RGC carries 6.5 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.
OABI vs RGC: side by side
| OABI (OmniAb, Inc.) | RGC (Regencell Bioscience Holdings Limited) | |
|---|---|---|
| 1-year return | +186.3% | -61.2% |
| 5-year return | -52.8% | +626.3% |
| Volatility (ann.) | 67.6% | 441.0% |
| Beta vs S&P 500 | 1.30 | -2.00 |
| Max drawdown (3Y) | -81.3% | -93.9% |
| Market cap | $0.7B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OABI | RGC |
|---|---|---|
| 2022 | -64.0% | -12.4% |
| 2023 | +71.4% | -62.4% |
| 2024 | -42.6% | -53.0% |
| 2025 | -47.7% | +16053.8% |
| 2026 | +149.2% | -73.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OABI and RGC good diversifiers for each other?
Yes. With a correlation of -0.23, OABI and RGC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between OABI and RGC?
The OABI/RGC correlation stands at -0.23 on a 3-year window (1 year: -0.04, 5 years: -0.16), computed from weekly returns as of 2026-08-27.
Is RGC a good diversifier for OABI?
Yes. With a correlation of -0.23, OABI and RGC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.23 mean?
A reading of -0.23 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/oabi-vs-rgc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/oabi-vs-rgc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: OABI correlations · RGC correlations
