CCI vs SPY: Correlation
Measured on weekly returns over the past three years, Crown Castle (CCI) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.11, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CCI and SPY?
On 3 years of weekly data the CCI/SPY correlation comes out at 0.11, weak. Little has changed lately, as the 1-year reading of 0.08 lands near the 3-year figure. The 5-year figure is 0.34, and annualized covariance runs at 46.8 %².
Within CCI's tracked universe of 30 assets, SPY comes in at #19 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 42.1 points (-21.5% versus +20.6%). This link changes with the market regime, having swung between -0.12 and 0.65 on a rolling one-year basis. Risk is not evenly split, since CCI carries 2.0 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.
CCI vs SPY: side by side
| CCI (Crown Castle) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -21.5% | +20.6% |
| 5-year return | -50.4% | +82.4% |
| Volatility (ann.) | 28.4% | 14.5% |
| Beta vs S&P 500 | 0.22 | 1.00 |
| Max drawdown (3Y) | -33.0% | -18.8% |
| Market cap | $32.8B | – |
| P/E (trailing) | 30.9 | – |
| Dividend yield | 5.63% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | Real Estate | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | CCI | SPY |
|---|---|---|
| 2022 | -32.6% | -18.2% |
| 2023 | -10.2% | +26.2% |
| 2024 | -16.4% | +24.9% |
| 2025 | +3.0% | +17.7% |
| 2026 | -13.5% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CCI and SPY good diversifiers for each other?
By historical standards, yes. A correlation of 0.11 means the two rarely move for the same reasons.
FAQ
What is the correlation between CCI and SPY?
As of 2026-08-27, the correlation of weekly returns between CCI and SPY is 0.11 over 3 years, 0.08 over 1 year and 0.34 over 5 years.
Is SPY a good diversifier for CCI?
By historical standards, yes. A correlation of 0.11 means the two rarely move for the same reasons.
What does a correlation of 0.11 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/cci-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cci-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CCI correlations · SPY correlations