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PSA vs XLRE: Correlation

Public Storage (PSA) and Real Estate Select Sector SPDR Fund (XLRE) show a strong relationship: their 3-year correlation of weekly returns is 0.79.

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

Correlation (3Y)
0.79
strong
Correlation (1Y)
0.72
last 12 months
Correlation (5Y)
0.79
long-run
Ann. covariance
302.1
%² · weekly, annualized

How correlated are PSA and XLRE?

Over the past 3 years, PSA and XLRE moved with a correlation of 0.79, which is strong. Recent behaviour matches the longer record: 0.72 over 1 year against 0.79 over 3. Over 5 years the correlation is 0.79, and the annualized covariance of weekly returns is 302.1 %².

By 3-year correlation, XLRE places #4 of the 33 assets tracked against PSA. Neither side won the trailing year by much: +11.3% against +9.5%. The link looks structural: the rolling one-year correlation barely moved, holding between 0.68 and 0.87.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past 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.

PSA vs XLRE: side by side

PSA (Public Storage)XLRE (Real Estate Select Sector SPDR Fund)
1-year return+11.3%+9.5%
5-year return+20.9%+11.4%
Volatility (ann.)23.0%16.7%
Beta vs S&P 5000.590.57
Max drawdown (3Y)-25.6%-16.6%
Market cap$58.1B
P/E (trailing)30.3
Dividend yield3.78%3.12%
Expense ratio0.08%
Assets under management$8.6B
Sector / categoryReal EstateSector ETF
Higher yield: PSA 3.78% vs 3.12%Smaller drawdown: XLRE -16.6% vs -25.6%Higher 5y return: PSA +20.9% vs +11.4%

On the fund side, XLRE sits in the Real Estate category at State Street Investment Management, with $8.6B under management, 31 holdings, a 0.08% expense ratio, a 3.12% trailing dividend yield.

-11%0%+15%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. PSA · XLRE

Year-by-year returns

YearPSAXLRE
2022-20.2%-26.2%
2023+13.6%+12.4%
2024+2.1%+5.1%
2025-9.7%+2.6%
2026+22.3%+12.4%

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

Fund exposure

Keep in mind that XLRE holds PSA at a 4.63% weight, which makes a slice of this correlation mechanical rather than coincidental.

Are PSA and XLRE good diversifiers for each other?

Somewhat, no more. With 0.79 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between PSA and XLRE?

Using weekly returns as of 2026-08-27: 0.79 over 3 years, with 0.72 over the last year and 0.79 over 5 years.

Is XLRE a good diversifier for PSA?

Somewhat, no more. With 0.79 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.79 mean?

A reading of 0.79 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

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

PSA vs XLRE: 3-year weekly correlation 0.79PSA vs XLRE0.79

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Related comparisons

Hubs: PSA correlations · XLRE correlations