EW vs RGC: Correlation
Edwards Lifesciences (EW) and Regencell Bioscience Holdings Limited (RGC) show a negative relationship: their 3-year correlation of weekly returns is -0.24.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EW and RGC?
Over the past 3 years, EW and RGC moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.08 versus -0.24 over 3 years. Over 5 years the correlation is -0.17, and the annualized covariance of weekly returns is -3377.8 %².
Among the 30 assets we track against EW, RGC ranks #24 by 3-year correlation. Correlation aside, the last 12 months split them widely, with EW ahead by 72.4 points (+11.2% versus -61.2%). Note the risk asymmetry: RGC runs 14.0 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.
EW vs RGC: side by side
| EW (Edwards Lifesciences) | RGC (Regencell Bioscience Holdings Limited) | |
|---|---|---|
| 1-year return | +11.2% | -61.2% |
| 5-year return | -23.8% | +626.3% |
| Volatility (ann.) | 31.6% | 441.0% |
| Beta vs S&P 500 | 0.81 | -2.00 |
| Max drawdown (3Y) | -37.5% | -93.9% |
| Market cap | $51.8B | – |
| P/E (trailing) | 54.2 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | EW | RGC |
|---|---|---|
| 2022 | -42.4% | -12.4% |
| 2023 | +2.2% | -62.4% |
| 2024 | -2.9% | -53.0% |
| 2025 | +15.2% | +16053.8% |
| 2026 | +5.5% | -73.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EW and RGC good diversifiers for each other?
Yes. With a correlation of -0.24, EW and RGC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between EW and RGC?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.08 over the last year and -0.17 over 5 years.
Is RGC a good diversifier for EW?
Yes. With a correlation of -0.24, EW and RGC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.24 mean?
On the −1 to +1 scale, -0.24 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/ew-vs-rgc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ew-vs-rgc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EW correlations · RGC correlations
