COO vs ZTS: Correlation
Measured on weekly returns over the past three years, Cooper Companies (The) (COO) and Zoetis (ZTS) carry a correlation of 0.34, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COO and ZTS?
Over the past 3 years, COO and ZTS moved with a correlation of 0.34, which is moderate. The relationship has been stable: the 1-year correlation (0.34) sits close to the 3-year figure. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 285.0 %².
By 3-year correlation, ZTS places #27 of the 38 assets tracked against COO. Correlation aside, the last 12 months split them widely, with COO ahead by 46.5 points (-4.3% versus -50.8%). The rolling one-year correlation moved between 0.23 and 0.57 over the past three years, a moderate range.
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 ZTS: side by side
| COO (Cooper Companies (The)) | ZTS (Zoetis) | |
|---|---|---|
| 1-year return | -4.3% | -50.8% |
| 5-year return | -36.8% | -61.5% |
| Volatility (ann.) | 27.7% | 30.1% |
| Beta vs S&P 500 | 0.69 | 0.51 |
| Max drawdown (3Y) | -47.0% | -63.0% |
| Market cap | – | $31.0B |
| P/E (trailing) | 61.7 | 12.7 |
| Dividend yield | 0.00% | 2.66% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | COO | ZTS |
|---|---|---|
| 2022 | -21.1% | -39.5% |
| 2023 | +14.5% | +35.9% |
| 2024 | -2.8% | -16.6% |
| 2025 | -10.8% | -21.8% |
| 2026 | -13.4% | -39.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COO and ZTS good diversifiers for each other?
A fair diversifier. At 0.34, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between COO and ZTS?
Using weekly returns as of 2026-08-27: 0.34 over 3 years, with 0.34 over the last year and 0.45 over 5 years.
Is ZTS a good diversifier for COO?
A fair diversifier. At 0.34, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.34 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/coo-vs-zts.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/coo-vs-zts/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: COO correlations · ZTS correlations
