CPT vs ERIE: Correlation
How closely do Camden Property Trust (CPT) and Erie Indemnity (ERIE) trade together? Their weekly returns over three years give a correlation of 0.41, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPT and ERIE?
Over the past 3 years, CPT and ERIE moved with a correlation of 0.41, which is moderate. Little has changed lately, as the 1-year reading of 0.41 lands near the 3-year figure. Over 5 years the correlation is 0.30, and the annualized covariance of weekly returns is 265.5 %².
Among the 33 assets we track against CPT, ERIE ranks #19 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CPT ahead by 24.1 points (-0.4% versus -24.5%). Across three years, the rolling one-year figure varied moderately, from 0.08 to 0.50.
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.
CPT vs ERIE: side by side
| CPT (Camden Property Trust) | ERIE (Erie Indemnity) | |
|---|---|---|
| 1-year return | -0.4% | -24.5% |
| 5-year return | -15.4% | +61.3% |
| Volatility (ann.) | 21.3% | 30.3% |
| Beta vs S&P 500 | 0.55 | 0.37 |
| Max drawdown (3Y) | -21.7% | -60.9% |
| Market cap | $12.2B | $13.6B |
| P/E (trailing) | 35.5 | 23.4 |
| Dividend yield | 3.92% | 2.24% |
| Sector / category | Real Estate | Financials |
Year-by-year returns
| Year | CPT | ERIE |
|---|---|---|
| 2022 | -35.6% | +32.0% |
| 2023 | -7.6% | +37.3% |
| 2024 | +21.3% | +24.7% |
| 2025 | -1.5% | -29.4% |
| 2026 | -2.0% | -8.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPT and ERIE good diversifiers for each other?
Reasonably. At 0.41, CPT and ERIE keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CPT and ERIE?
The CPT/ERIE correlation stands at 0.41 on a 3-year window (1 year: 0.41, 5 years: 0.30), computed from weekly returns as of 2026-08-27.
Is ERIE a good diversifier for CPT?
Reasonably. At 0.41, CPT and ERIE keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 mean?
A reading of 0.41 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/cpt-vs-erie.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cpt-vs-erie/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CPT correlations · ERIE correlations
