COO vs NRT: Correlation
Measured on weekly returns over the past three years, Cooper Companies (The) (COO) and North European Oil Royality Trust (NRT) carry a correlation of -0.22, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COO and NRT?
Over the past 3 years, COO and NRT moved with a correlation of -0.22, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.22 lands near the 3-year figure. Over 5 years the correlation is -0.06, and the annualized covariance of weekly returns is -318.0 %².
Within COO's tracked universe of 38 assets, NRT comes in at #31 by 3-year correlation. The last year tells two different stories: NRT led by 89.5 percentage points, -4.3% for COO against +85.2% for NRT. Risk is not evenly split, since NRT carries 1.9 times the volatility of the other side.
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 NRT: side by side
| COO (Cooper Companies (The)) | NRT (North European Oil Royality Trust) | |
|---|---|---|
| 1-year return | -4.3% | +85.2% |
| 5-year return | -36.8% | +131.5% |
| Volatility (ann.) | 27.7% | 51.6% |
| Beta vs S&P 500 | 0.69 | -0.42 |
| Max drawdown (3Y) | -47.0% | -66.1% |
| Market cap | – | $0.1B |
| P/E (trailing) | 61.7 | 8.4 |
| Dividend yield | 0.00% | 11.95% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | COO | NRT |
|---|---|---|
| 2022 | -21.1% | +41.9% |
| 2023 | +14.5% | -46.5% |
| 2024 | -2.8% | -25.3% |
| 2025 | -10.8% | +88.4% |
| 2026 | -13.4% | +41.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COO and NRT good diversifiers for each other?
Yes. With a correlation of -0.22, COO and NRT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between COO and NRT?
The COO/NRT correlation stands at -0.22 on a 3-year window (1 year: -0.22, 5 years: -0.06), computed from weekly returns as of 2026-08-27.
Is NRT a good diversifier for COO?
Yes. With a correlation of -0.22, COO and NRT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.22 mean?
A reading of -0.22 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-nrt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/coo-vs-nrt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: COO correlations · NRT correlations