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FRT vs PDEX: Correlation

How closely do Federal Realty Investment Trust (FRT) and Pro-Dex, Inc. (PDEX) trade together? Their weekly returns over three years give a correlation of -0.18, which is negative.

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

Correlation (3Y)
-0.18
negative
Correlation (1Y)
-0.26
last 12 months
Correlation (5Y)
-0.05
long-run
Ann. covariance
-206.8
%² · weekly, annualized

How correlated are FRT and PDEX?

On 3 years of weekly data the FRT/PDEX correlation comes out at -0.18, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.26 lands near the 3-year figure. The 5-year figure is -0.05, and annualized covariance runs at -206.8 %².

Within FRT's tracked universe of 46 assets, PDEX comes in at #38 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PDEX outperformed by 20.9 percentage points (+21.6% for FRT against +42.5% for PDEX). Note the risk asymmetry: PDEX runs 3.1 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.

FRT vs PDEX: side by side

FRT (Federal Realty Investment Trust)PDEX (Pro-Dex, Inc.)
1-year return+21.6%+42.5%
5-year return+18.8%+152.4%
Volatility (ann.)19.5%59.6%
Beta vs S&P 5000.530.17
Max drawdown (3Y)-27.4%-65.3%
Market cap$10.2B$0.2B
P/E (trailing)23.617.5
Dividend yield3.84%0.00%
Sector / categoryReal EstateUS Listed
Lower P/E: PDEX 17.5 vs 23.6Higher yield: FRT 3.84% vs 0.00%Smaller drawdown: FRT -27.4% vs -65.3%Higher 5y return: PDEX +152.4% vs +18.8%
-31%0%+76%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FRT · PDEX

Year-by-year returns

YearFRTPDEX
2022-22.7%-31.5%
2023+6.6%+10.2%
2024+12.1%+166.8%
2025-5.9%-17.7%
2026+19.7%+68.6%

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

Are FRT and PDEX good diversifiers for each other?

Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between FRT and PDEX?

Using weekly returns as of 2026-08-27: -0.18 over 3 years, with -0.26 over the last year and -0.05 over 5 years.

Is PDEX a good diversifier for FRT?

Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.18 mean?

A reading of -0.18 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

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

FRT vs PDEX: 3-year weekly correlation -0.18FRT vs PDEX-0.18

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Related comparisons

Hubs: FRT correlations · PDEX correlations