RGC vs YORW: Correlation
Regencell Bioscience Holdings Limited (RGC) and The York Water Company (YORW) show a negative relationship: their 3-year correlation of weekly returns is -0.20.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RGC and YORW?
On 3 years of weekly data the RGC/YORW correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.17) sits close to the 3-year figure. The 5-year figure is -0.13, and annualized covariance runs at -1827.7 %².
Within RGC's tracked universe of 25 assets, YORW comes in at #16 by 3-year correlation. The last year tells two different stories: YORW led by 72.1 percentage points, -61.2% for RGC against +10.9% for YORW. Risk is not evenly split, since RGC carries 21.5 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.
RGC vs YORW: side by side
| RGC (Regencell Bioscience Holdings Limited) | YORW (The York Water Company) | |
|---|---|---|
| 1-year return | -61.2% | +10.9% |
| 5-year return | +626.3% | -26.0% |
| Volatility (ann.) | 441.0% | 20.5% |
| Beta vs S&P 500 | -2.00 | 0.18 |
| Max drawdown (3Y) | -93.9% | -26.4% |
| Market cap | – | $0.5B |
| P/E (trailing) | – | 21.2 |
| Dividend yield | 0.00% | 2.64% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RGC | YORW |
|---|---|---|
| 2022 | -12.4% | -7.9% |
| 2023 | -62.4% | -12.4% |
| 2024 | -53.0% | -13.2% |
| 2025 | +16053.8% | +0.1% |
| 2026 | -73.7% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RGC and YORW good diversifiers for each other?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
FAQ
What is the correlation between RGC and YORW?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.17 over the last year and -0.13 over 5 years.
Is YORW a good diversifier for RGC?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
What does a correlation of -0.20 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/rgc-vs-yorw.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/rgc-vs-yorw/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RGC correlations · YORW correlations
