PairBook
HomeREG › REG vs SPY

REG vs SPY: Correlation

Regency Centers (REG) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.28.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.28
weak
Correlation (1Y)
-0.03
last 12 months
Correlation (5Y)
0.52
long-run
Ann. covariance
71.1
%² · weekly, annualized

How correlated are REG and SPY?

On 3 years of weekly data the REG/SPY correlation comes out at 0.28, weak. The link has loosened recently: the 1-year correlation (-0.03) runs below the 3-year figure (0.28). The 5-year figure is 0.52, and annualized covariance runs at 71.1 %².

By 3-year correlation, SPY places #30 of the 41 assets tracked against REG. The trailing year gives SPY the advantage: +8.4% versus +20.6%, a 12.2-point spread. This link changes with the market regime, having swung between -0.04 and 0.71 on a rolling one-year basis.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

REG vs SPY: side by side

REG (Regency Centers)SPY (SPDR S&P 500 ETF Trust)
1-year return+8.4%+20.6%
5-year return+35.2%+82.4%
Volatility (ann.)17.8%14.5%
Beta vs S&P 5000.341.00
Max drawdown (3Y)-15.1%-18.8%
Market cap$14.1B
P/E (trailing)25.5
Dividend yield3.89%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryReal EstateETF · US Large Cap
Higher yield: REG 3.89% vs 1.01%Smaller drawdown: REG -15.1% vs -18.8%Higher 5y return: SPY +82.4% vs +35.2%

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.

-7%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. REG · SPY

Year-by-year returns

YearREGSPY
2022-13.6%-18.2%
2023+11.9%+26.2%
2024+14.9%+24.9%
2025-2.8%+17.7%
2026+11.4%+13.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are REG and SPY good diversifiers for each other?

Reasonably. At 0.28, REG and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between REG and SPY?

Using weekly returns as of 2026-08-27: 0.28 over 3 years, with -0.03 over the last year and 0.52 over 5 years.

Is SPY a good diversifier for REG?

Reasonably. At 0.28, REG and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.28 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/reg-vs-spy.json

REG vs SPY: 3-year weekly correlation 0.28REG vs SPY0.28

Embed this badge (it refreshes with the data), with attribution:

[![REG vs SPY correlation](https://www.pairbook.io/api/v1/badge/reg-vs-spy.svg)](https://www.pairbook.io/pair/reg-vs-spy/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: REG correlations · SPY correlations