LLY vs RGC: Correlation
Lilly (Eli) (LLY) 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 LLY and RGC?
Over the past 3 years, LLY 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 (-0.11) runs above the 3-year figure (-0.23). Over 5 years the correlation is -0.20, and the annualized covariance of weekly returns is -3644.0 %².
RGC is close to the least connected end of LLY's tracked universe, ranking #26 of 29. Correlation aside, the last 12 months split them widely, with LLY ahead by 122.4 points (+61.2% versus -61.2%). Note the risk asymmetry: RGC runs 12.0 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.
LLY vs RGC: side by side
| LLY (Lilly (Eli)) | RGC (Regencell Bioscience Holdings Limited) | |
|---|---|---|
| 1-year return | +61.2% | -61.2% |
| 5-year return | +369.2% | +626.3% |
| Volatility (ann.) | 36.6% | 441.0% |
| Beta vs S&P 500 | 0.57 | -2.00 |
| Max drawdown (3Y) | -34.5% | -93.9% |
| Market cap | $1,048.8B | – |
| P/E (trailing) | 40.0 | – |
| Dividend yield | 0.54% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | LLY | RGC |
|---|---|---|
| 2022 | +34.3% | -12.4% |
| 2023 | +60.9% | -62.4% |
| 2024 | +33.3% | -53.0% |
| 2025 | +40.2% | +16053.8% |
| 2026 | +10.0% | -73.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LLY and RGC good diversifiers for each other?
Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between LLY and RGC?
As of 2026-08-27, the correlation of weekly returns between LLY and RGC is -0.23 over 3 years, -0.11 over 1 year and -0.20 over 5 years.
Is RGC a good diversifier for LLY?
Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.
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/lly-vs-rgc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lly-vs-rgc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: LLY correlations · RGC correlations
