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
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 500 | 0.17 | 0.90 |
| Max drawdown (3Y) | -65.3% | -31.4% |
| Market cap | $0.2B | $137.9B |
| P/E (trailing) | 17.5 | 31.7 |
| Dividend yield | 0.00% | 2.92% |
| Sector / category | US Listed | Real Estate |
Year-by-year returns
| Year | PDEX | PLD |
|---|---|---|
| 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
$ curl https://www.pairbook.io/api/v1/pairs/pdex-vs-pld.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pdex-vs-pld/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PDEX correlations · PLD correlations