RGC vs SBUX: Correlation
Regencell Bioscience Holdings Limited (RGC) and Starbucks (SBUX) show a negative relationship: their 3-year correlation of weekly returns is -0.16.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RGC and SBUX?
Across a 3-year window, the weekly returns of RGC and SBUX correlate at -0.16, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at 0.10 versus -0.16 over 3 years. Stretching to 5 years gives -0.11, with an annualized covariance of -2448.2 %².
Among the 25 assets we track against RGC, SBUX ranks #10 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SBUX outperformed by 86.7 percentage points (-61.2% for RGC against +25.5% for SBUX). Note the risk asymmetry: RGC runs 12.9 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.
RGC vs SBUX: side by side
| RGC (Regencell Bioscience Holdings Limited) | SBUX (Starbucks) | |
|---|---|---|
| 1-year return | -61.2% | +25.5% |
| 5-year return | +626.3% | +4.5% |
| Volatility (ann.) | 441.0% | 34.2% |
| Beta vs S&P 500 | -2.00 | 1.10 |
| Max drawdown (3Y) | -93.9% | -32.0% |
| Market cap | – | $122.3B |
| P/E (trailing) | – | 62.7 |
| Dividend yield | 0.00% | 2.29% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | RGC | SBUX |
|---|---|---|
| 2022 | -12.4% | -13.2% |
| 2023 | -62.4% | -1.2% |
| 2024 | -53.0% | -2.5% |
| 2025 | +16053.8% | -5.3% |
| 2026 | -73.7% | +29.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RGC and SBUX good diversifiers for each other?
Yes. With a correlation of -0.16, RGC and SBUX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between RGC and SBUX?
The RGC/SBUX correlation stands at -0.16 on a 3-year window (1 year: 0.10, 5 years: -0.11), computed from weekly returns as of 2026-08-27.
Is SBUX a good diversifier for RGC?
Yes. With a correlation of -0.16, RGC and SBUX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.16 mean?
A reading of -0.16 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/rgc-vs-sbux.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rgc-vs-sbux/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RGC correlations · SBUX correlations
