CET vs SBUX: Correlation
How closely do Central Securities Corporation (CET) and Starbucks (SBUX) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CET and SBUX?
Over the past 3 years, CET and SBUX moved with a correlation of 0.49, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.35 versus 0.49 over 3 years. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 213.8 %².
By 3-year correlation, SBUX places #26 of the 38 assets tracked against CET. The trailing year gives SBUX the advantage: +15.7% versus +25.5%, a 9.8-point spread. Note the risk asymmetry: SBUX runs 2.7 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.
CET vs SBUX: side by side
| CET (Central Securities Corporation) | SBUX (Starbucks) | |
|---|---|---|
| 1-year return | +15.7% | +25.5% |
| 5-year return | +73.3% | +4.5% |
| Volatility (ann.) | 12.8% | 34.2% |
| Beta vs S&P 500 | 0.78 | 1.10 |
| Max drawdown (3Y) | -15.4% | -32.0% |
| Market cap | – | $122.3B |
| P/E (trailing) | 7.3 | 62.7 |
| Dividend yield | 5.03% | 2.29% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | CET | SBUX |
|---|---|---|
| 2022 | -19.7% | -13.2% |
| 2023 | +19.2% | -1.2% |
| 2024 | +26.8% | -2.5% |
| 2025 | +17.2% | -5.3% |
| 2026 | +8.3% | +29.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CET and SBUX good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CET and SBUX?
As of 2026-08-27, the correlation of weekly returns between CET and SBUX is 0.49 over 3 years, 0.35 over 1 year and 0.49 over 5 years.
Is SBUX a good diversifier for CET?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.49 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/cet-vs-sbux.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cet-vs-sbux/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CET correlations · SBUX correlations
