CCI vs PSA: Correlation
How closely do Crown Castle (CCI) and Public Storage (PSA) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CCI and PSA?
Over the past 3 years, CCI and PSA moved with a correlation of 0.53, which is moderate. The link has loosened recently: the 1-year correlation (0.42) runs below the 3-year figure (0.53). Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 343.7 %².
By 3-year correlation, PSA places #16 of the 30 assets tracked against CCI. Their recent paths diverged sharply: over the last 12 months PSA outperformed by 32.8 percentage points (-21.5% for CCI against +11.3% for PSA). On a rolling one-year basis the correlation drifted between 0.36 and 0.71, a moderate band.
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.
CCI vs PSA: side by side
| CCI (Crown Castle) | PSA (Public Storage) | |
|---|---|---|
| 1-year return | -21.5% | +11.3% |
| 5-year return | -50.4% | +20.9% |
| Volatility (ann.) | 28.4% | 23.0% |
| Beta vs S&P 500 | 0.22 | 0.59 |
| Max drawdown (3Y) | -33.0% | -25.6% |
| Market cap | $32.8B | $58.1B |
| P/E (trailing) | 30.9 | 30.3 |
| Dividend yield | 5.63% | 3.78% |
| Sector / category | Real Estate | Real Estate |
Year-by-year returns
| Year | CCI | PSA |
|---|---|---|
| 2022 | -32.6% | -20.2% |
| 2023 | -10.2% | +13.6% |
| 2024 | -16.4% | +2.1% |
| 2025 | +3.0% | -9.7% |
| 2026 | -13.5% | +22.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CCI and PSA good diversifiers for each other?
To a limited degree. At 0.53 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between CCI and PSA?
The CCI/PSA correlation stands at 0.53 on a 3-year window (1 year: 0.42, 5 years: 0.58), computed from weekly returns as of 2026-08-27.
Is PSA a good diversifier for CCI?
To a limited degree. At 0.53 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.53 mean?
A reading of 0.53 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/cci-vs-psa.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cci-vs-psa/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CCI correlations · PSA correlations
