PairBook
HomeAD › AD vs RFI

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

Correlation (3Y)
0.40
moderate
Correlation (1Y)
0.53
last 12 months
Correlation (5Y)
0.23
long-run
Ann. covariance
306.1
%² · weekly, annualized

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 5000.680.57
Max drawdown (3Y)-32.0%-16.2%
Market cap$3.1B
P/E (trailing)4.627.1
Dividend yield30.85%8.41%
Sector / categoryUS ListedUS Listed
Lower P/E: AD 4.6 vs 27.1Higher yield: AD 30.85% vs 8.41%Smaller drawdown: RFI -16.2% vs -32.0%Higher 5y return: AD +142.7% vs +5.1%
-13%0%+28%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AD · RFI

Year-by-year returns

YearADRFI
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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ad-vs-rfi.json

AD vs RFI: 3-year weekly correlation 0.40AD vs RFI0.40

Drop this badge in a README or notebook; it updates with the data:

[![AD vs RFI correlation](https://www.pairbook.io/api/v1/badge/ad-vs-rfi.svg)](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