CDP vs DOC: Correlation
How closely do COPT Defense Properties (CDP) and Healthpeak Properties (DOC) trade together? Their weekly returns over three years give a correlation of 0.59, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CDP and DOC?
Across a 3-year window, the weekly returns of CDP and DOC correlate at 0.59, moderate. The relationship has been stable: the 1-year correlation (0.51) sits close to the 3-year figure. Stretching to 5 years gives 0.59, with an annualized covariance of 321.2 %².
Among the 11 assets we track against CDP, DOC ranks #6 by 3-year correlation. The trailing year gives CDP the advantage: +34.4% versus +26.7%, a 7.7-point spread.
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.
CDP vs DOC: side by side
| CDP (COPT Defense Properties) | DOC (Healthpeak Properties) | |
|---|---|---|
| 1-year return | +34.4% | +26.7% |
| 5-year return | +64.2% | -21.6% |
| Volatility (ann.) | 20.1% | 27.1% |
| Beta vs S&P 500 | 0.32 | 0.53 |
| Max drawdown (3Y) | -23.7% | -26.0% |
| Market cap | $4.3B | $15.0B |
| P/E (trailing) | 25.9 | 62.4 |
| Dividend yield | 3.35% | 5.65% |
| Sector / category | US Listed | Real Estate |
Year-by-year returns
| Year | CDP | DOC |
|---|---|---|
| 2022 | -3.3% | -27.5% |
| 2023 | +3.7% | -16.4% |
| 2024 | +26.2% | +8.8% |
| 2025 | -6.2% | -15.2% |
| 2026 | +36.7% | +37.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CDP and DOC good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between CDP and DOC?
The CDP/DOC correlation stands at 0.59 on a 3-year window (1 year: 0.51, 5 years: 0.59), computed from weekly returns as of 2026-08-27.
Is DOC a good diversifier for CDP?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 mean?
A reading of 0.59 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/cdp-vs-doc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cdp-vs-doc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CDP correlations · DOC correlations
