COO vs ZCMD: Correlation
How closely do Cooper Companies (The) (COO) and Zhongchao Inc. - Class A (ZCMD) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COO and ZCMD?
Across a 3-year window, the weekly returns of COO and ZCMD correlate at -0.25, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.26 lands near the 3-year figure. Stretching to 5 years gives -0.13, with an annualized covariance of -977.8 %².
Among the 38 assets we track against COO, ZCMD sits near the bottom by co-movement, at rank #35. Their recent paths diverged sharply: over the last 12 months COO outperformed by 95.6 percentage points (-4.3% for COO against -99.9% for ZCMD). Note the risk asymmetry: ZCMD runs 5.1 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.
COO vs ZCMD: side by side
| COO (Cooper Companies (The)) | ZCMD (Zhongchao Inc. - Class A) | |
|---|---|---|
| 1-year return | -4.3% | -99.9% |
| 5-year return | -36.8% | -100.0% |
| Volatility (ann.) | 27.7% | 141.8% |
| Beta vs S&P 500 | 0.69 | 0.59 |
| Max drawdown (3Y) | -47.0% | -100.0% |
| Market cap | – | – |
| P/E (trailing) | 61.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | COO | ZCMD |
|---|---|---|
| 2022 | -21.1% | -35.4% |
| 2023 | +14.5% | -69.5% |
| 2024 | -2.8% | -53.8% |
| 2025 | -10.8% | -72.2% |
| 2026 | -13.4% | -99.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COO and ZCMD good diversifiers for each other?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between COO and ZCMD?
Using weekly returns as of 2026-08-27: -0.25 over 3 years, with -0.26 over the last year and -0.13 over 5 years.
Is ZCMD a good diversifier for COO?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.25 mean?
A reading of -0.25 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/coo-vs-zcmd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/coo-vs-zcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: COO correlations · ZCMD correlations
