GILD vs RGC: Correlation
Measured on weekly returns over the past three years, Gilead Sciences (GILD) and Regencell Bioscience Holdings Limited (RGC) carry a correlation of -0.19, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GILD and RGC?
Across a 3-year window, the weekly returns of GILD and RGC correlate at -0.19, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.06) runs above the 3-year figure (-0.19). Stretching to 5 years gives -0.14, with an annualized covariance of -1979.6 %².
Among the 30 assets we track against GILD, RGC ranks #23 by 3-year correlation. Correlation aside, the last 12 months split them widely, with GILD ahead by 95.3 points (+34.1% versus -61.2%). Note the risk asymmetry: RGC runs 18.3 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.
GILD vs RGC: side by side
| GILD (Gilead Sciences) | RGC (Regencell Bioscience Holdings Limited) | |
|---|---|---|
| 1-year return | +34.1% | -61.2% |
| 5-year return | +148.1% | +626.3% |
| Volatility (ann.) | 24.1% | 441.0% |
| Beta vs S&P 500 | 0.33 | -2.00 |
| Max drawdown (3Y) | -26.6% | -93.9% |
| Market cap | $184.6B | – |
| P/E (trailing) | – | – |
| Dividend yield | 2.17% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | GILD | RGC |
|---|---|---|
| 2022 | +23.6% | -12.4% |
| 2023 | -2.0% | -62.4% |
| 2024 | +18.7% | -53.0% |
| 2025 | +36.6% | +16053.8% |
| 2026 | +22.8% | -73.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GILD and RGC good diversifiers for each other?
Yes. With a correlation of -0.19, GILD and RGC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between GILD and RGC?
The GILD/RGC correlation stands at -0.19 on a 3-year window (1 year: -0.06, 5 years: -0.14), computed from weekly returns as of 2026-08-27.
Is RGC a good diversifier for GILD?
Yes. With a correlation of -0.19, GILD and RGC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.19 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/gild-vs-rgc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gild-vs-rgc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GILD correlations · RGC correlations
