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PLD vs PSA: Correlation

Measured on weekly returns over the past three years, Prologis (PLD) and Public Storage (PSA) carry a correlation of 0.65, a strong link.

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

Correlation (3Y)
0.65
strong
Correlation (1Y)
0.50
last 12 months
Correlation (5Y)
0.71
long-run
Ann. covariance
383.7
%² · weekly, annualized

How correlated are PLD and PSA?

On 3 years of weekly data the PLD/PSA correlation comes out at 0.65, strong. Lately the two have drifted apart, with the 1-year correlation at 0.50 versus 0.65 over 3 years. The 5-year figure is 0.71, and annualized covariance runs at 383.7 %².

Within PLD's tracked universe of 40 assets, PSA comes in at #18 by 3-year correlation. The last year tells two different stories: PLD led by 18.7 percentage points, +30.0% for PLD against +11.3% for PSA. Across three years, the rolling one-year figure varied moderately, from 0.51 to 0.79.

+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.

PLD vs PSA: side by side

PLD (Prologis)PSA (Public Storage)
1-year return+30.0%+11.3%
5-year return+22.5%+20.9%
Volatility (ann.)25.8%23.0%
Beta vs S&P 5000.900.59
Max drawdown (3Y)-31.4%-25.6%
Market cap$137.9B$58.1B
P/E (trailing)31.730.3
Dividend yield2.92%3.78%
Sector / categoryReal EstateReal Estate
Lower P/E: PSA 30.3 vs 31.7Higher yield: PSA 3.78% vs 2.92%Smaller drawdown: PSA -25.6% vs -31.4%Higher 5y return: PLD +22.5% vs +20.9%
-11%0%+36%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. PLD · PSA

Year-by-year returns

YearPLDPSA
2022-31.3%-20.2%
2023+21.6%+13.6%
2024-18.1%+2.1%
2025+25.1%-9.7%
2026+12.8%+22.3%

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

Are PLD and PSA good diversifiers for each other?

Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between PLD and PSA?

The PLD/PSA correlation stands at 0.65 on a 3-year window (1 year: 0.50, 5 years: 0.71), computed from weekly returns as of 2026-08-27.

Is PSA a good diversifier for PLD?

Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.65 mean?

On the −1 to +1 scale, 0.65 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

PLD vs PSA: 3-year weekly correlation 0.65PLD vs PSA0.65

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Hubs: PLD correlations · PSA correlations