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PDEX vs PLD: Correlation

Measured on weekly returns over the past three years, Pro-Dex, Inc. (PDEX) and Prologis (PLD) carry a correlation of -0.24, a negative link.

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

Correlation (3Y)
-0.24
negative
Correlation (1Y)
-0.19
last 12 months
Correlation (5Y)
-0.16
long-run
Ann. covariance
-362.3
%² · weekly, annualized

How correlated are PDEX and PLD?

On 3 years of weekly data the PDEX/PLD correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.19) sits close to the 3-year figure. The 5-year figure is -0.16, and annualized covariance runs at -362.3 %².

By 3-year correlation, PLD places #26 of the 31 assets tracked against PDEX. Over the last 12 months PDEX came out ahead by 12.5 percentage points (+42.5% against +30.0%). One caveat on sizing: PDEX is 2.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

PDEX vs PLD: side by side

PDEX (Pro-Dex, Inc.)PLD (Prologis)
1-year return+42.5%+30.0%
5-year return+152.4%+22.5%
Volatility (ann.)59.6%25.8%
Beta vs S&P 5000.170.90
Max drawdown (3Y)-65.3%-31.4%
Market cap$0.2B$137.9B
P/E (trailing)17.531.7
Dividend yield0.00%2.92%
Sector / categoryUS ListedReal Estate
Lower P/E: PDEX 17.5 vs 31.7Higher yield: PLD 2.92% vs 0.00%Smaller drawdown: PLD -31.4% vs -65.3%Higher 5y return: PDEX +152.4% vs +22.5%
-31%0%+76%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. PDEX · PLD

Year-by-year returns

YearPDEXPLD
2022-31.5%-31.3%
2023+10.2%+21.6%
2024+166.8%-18.1%
2025-17.7%+25.1%
2026+68.6%+12.8%

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

Are PDEX and PLD good diversifiers for each other?

Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between PDEX and PLD?

The PDEX/PLD correlation stands at -0.24 on a 3-year window (1 year: -0.19, 5 years: -0.16), computed from weekly returns as of 2026-08-27.

Is PLD a good diversifier for PDEX?

Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.24 mean?

On the −1 to +1 scale, -0.24 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

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PDEX vs PLD: 3-year weekly correlation -0.24PDEX vs PLD-0.24

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Related comparisons

Hubs: PDEX correlations · PLD correlations