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FR vs PDEX: Correlation

How closely do First Industrial Realty Trust, Inc. (FR) and Pro-Dex, Inc. (PDEX) trade together? Their weekly returns over three years give a correlation of -0.23, which is negative.

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

Correlation (3Y)
-0.23
negative
Correlation (1Y)
-0.13
last 12 months
Correlation (5Y)
-0.14
long-run
Ann. covariance
-304.5
%² · weekly, annualized

How correlated are FR and PDEX?

Across a 3-year window, the weekly returns of FR and PDEX correlate at -0.23, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.13 lands near the 3-year figure. Stretching to 5 years gives -0.14, with an annualized covariance of -304.5 %².

PDEX is close to the least connected end of FR's tracked universe, ranking #12 of 14. Correlation aside, the last 12 months split them widely, with PDEX ahead by 19.5 points (+23.0% versus +42.5%). Risk is not evenly split, since PDEX carries 2.7 times the volatility of the other side.

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.

FR vs PDEX: side by side

FR (First Industrial Realty Trust, Inc.)PDEX (Pro-Dex, Inc.)
1-year return+23.0%+42.5%
5-year return+26.5%+152.4%
Volatility (ann.)22.2%59.6%
Beta vs S&P 5000.700.17
Max drawdown (3Y)-25.1%-65.3%
Market cap$8.5B$0.2B
P/E (trailing)22.717.5
Dividend yield3.01%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: PDEX 17.5 vs 22.7Higher yield: FR 3.01% vs 0.00%Smaller drawdown: FR -25.1% vs -65.3%Higher 5y return: PDEX +152.4% vs +26.5%
-31%0%+76%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FR · PDEX

Year-by-year returns

YearFRPDEX
2022-25.4%-31.5%
2023+11.9%+10.2%
2024-2.0%+166.8%
2025+18.2%-17.7%
2026+10.8%+68.6%

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

Are FR and PDEX good diversifiers for each other?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between FR and PDEX?

As of 2026-08-27, the correlation of weekly returns between FR and PDEX is -0.23 over 3 years, -0.13 over 1 year and -0.14 over 5 years.

Is PDEX a good diversifier for FR?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.23 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

FR vs PDEX: 3-year weekly correlation -0.23FR vs PDEX-0.23

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Related comparisons

Hubs: FR correlations · PDEX correlations