PDEX vs REXR: Correlation
How closely do Pro-Dex, Inc. (PDEX) and Rexford Industrial Realty, Inc. (REXR) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PDEX and REXR?
On 3 years of weekly data the PDEX/REXR correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.31 over 1 year against -0.25 over 3. The 5-year figure is -0.17, and annualized covariance runs at -388.0 %².
Out of 31 assets tracked against PDEX, REXR lands near the bottom at #27. Correlation aside, the last 12 months split them widely, with PDEX ahead by 49.3 points (+42.5% versus -6.8%). Note the risk asymmetry: PDEX runs 2.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 REXR: side by side
| PDEX (Pro-Dex, Inc.) | REXR (Rexford Industrial Realty, Inc.) | |
|---|---|---|
| 1-year return | +42.5% | -6.8% |
| 5-year return | +152.4% | -29.5% |
| Volatility (ann.) | 59.6% | 25.9% |
| Beta vs S&P 500 | 0.17 | 0.83 |
| Max drawdown (3Y) | -65.3% | -41.9% |
| Market cap | $0.2B | $8.5B |
| P/E (trailing) | 17.5 | – |
| Dividend yield | 0.00% | 4.64% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PDEX | REXR |
|---|---|---|
| 2022 | -31.5% | -31.2% |
| 2023 | +10.2% | +5.6% |
| 2024 | +166.8% | -28.5% |
| 2025 | -17.7% | +4.7% |
| 2026 | +68.6% | -1.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PDEX and REXR good diversifiers for each other?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PDEX and REXR?
As of 2026-08-27, the correlation of weekly returns between PDEX and REXR is -0.25 over 3 years, -0.31 over 1 year and -0.17 over 5 years.
Is REXR a good diversifier for PDEX?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.25 mean?
A reading of -0.25 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
$ curl https://www.pairbook.io/api/v1/pairs/pdex-vs-rexr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/pdex-vs-rexr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PDEX correlations · REXR correlations
