CPB vs ZCMD: Correlation
How closely do The Campbell's Company (CPB) and Zhongchao Inc. - Class A (ZCMD) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPB and ZCMD?
On 3 years of weekly data the CPB/ZCMD correlation comes out at -0.26, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.33 lands near the 3-year figure. The 5-year figure is -0.19, and annualized covariance runs at -910.1 %².
ZCMD is close to the least connected end of CPB's tracked universe, ranking #20 of 20. The last year tells two different stories: CPB led by 77.1 percentage points, -22.8% for CPB against -99.9% for ZCMD. One caveat on sizing: ZCMD is 5.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
CPB vs ZCMD: side by side
| CPB (The Campbell's Company) | ZCMD (Zhongchao Inc. - Class A) | |
|---|---|---|
| 1-year return | -22.8% | -99.9% |
| 5-year return | -30.8% | -100.0% |
| Volatility (ann.) | 24.5% | 141.8% |
| Beta vs S&P 500 | 0.07 | 0.59 |
| Max drawdown (3Y) | -58.1% | -100.0% |
| Market cap | – | – |
| P/E (trailing) | 11.4 | – |
| Dividend yield | 6.72% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CPB | ZCMD |
|---|---|---|
| 2022 | +34.8% | -35.4% |
| 2023 | -21.5% | -69.5% |
| 2024 | +0.1% | -53.8% |
| 2025 | -30.5% | -72.2% |
| 2026 | -12.2% | -99.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPB and ZCMD good diversifiers for each other?
By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.
FAQ
What is the correlation between CPB and ZCMD?
Using weekly returns as of 2026-08-27: -0.26 over 3 years, with -0.33 over the last year and -0.19 over 5 years.
Is ZCMD a good diversifier for CPB?
By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.
What does a correlation of -0.26 mean?
A reading of -0.26 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/cpb-vs-zcmd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cpb-vs-zcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CPB correlations · ZCMD correlations
