AD vs RFI: Correlation
How closely do Array Digital Infrastructure, Inc. (AD) and Cohen & Steers Total Return Realty Fund, Inc. (RFI) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AD and RFI?
Over the past 3 years, AD and RFI moved with a correlation of 0.40, which is moderate. The link has tightened recently: the 1-year correlation (0.53) runs above the 3-year figure (0.40). Over 5 years the correlation is 0.23, and the annualized covariance of weekly returns is 306.1 %².
Within AD's tracked universe of 13 assets, RFI comes in at #5 by 3-year correlation. Twelve-month performance is nearly a tie, at -0.3% for AD and +3.7% for RFI. Risk is not evenly split, since AD carries 2.3 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.
AD vs RFI: side by side
| AD (Array Digital Infrastructure, Inc.) | RFI (Cohen & Steers Total Return Realty Fund, Inc.) | |
|---|---|---|
| 1-year return | -0.3% | +3.7% |
| 5-year return | +142.7% | +5.1% |
| Volatility (ann.) | 42.1% | 18.1% |
| Beta vs S&P 500 | 0.68 | 0.57 |
| Max drawdown (3Y) | -32.0% | -16.2% |
| Market cap | $3.1B | – |
| P/E (trailing) | 4.6 | 27.1 |
| Dividend yield | 30.85% | 8.41% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AD | RFI |
|---|---|---|
| 2022 | -33.9% | -22.1% |
| 2023 | +99.2% | +4.4% |
| 2024 | +51.0% | +6.6% |
| 2025 | +22.6% | +3.6% |
| 2026 | +1.0% | +8.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AD and RFI good diversifiers for each other?
Reasonably. At 0.40, AD and RFI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AD and RFI?
As of 2026-08-27, the correlation of weekly returns between AD and RFI is 0.40 over 3 years, 0.53 over 1 year and 0.23 over 5 years.
Is RFI a good diversifier for AD?
Reasonably. At 0.40, AD and RFI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.40 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/ad-vs-rfi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ad-vs-rfi/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AD correlations · RFI correlations