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CAT vs FUSB: Correlation

How closely do Caterpillar Inc. (CAT) and First US Bancshares, Inc. (FUSB) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.

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

Correlation (3Y)
0.28
weak
Correlation (1Y)
0.40
last 12 months
Correlation (5Y)
0.19
long-run
Ann. covariance
212.6
%² · weekly, annualized

How correlated are CAT and FUSB?

On 3 years of weekly data the CAT/FUSB correlation comes out at 0.28, weak. Lately the two have moved closer together, with the 1-year correlation at 0.40 versus 0.28 over 3 years. The 5-year figure is 0.19, and annualized covariance runs at 212.6 %².

Within CAT's tracked universe of 36 assets, FUSB comes in at #25 by 3-year correlation. The last year tells two different stories: CAT led by 36.2 percentage points, +90.5% for CAT against +54.3% for FUSB.

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.

CAT vs FUSB: side by side

CAT (Caterpillar Inc.)FUSB (First US Bancshares, Inc.)
1-year return+90.5%+54.3%
5-year return+321.1%+66.8%
Volatility (ann.)29.4%26.1%
Beta vs S&P 5001.030.21
Max drawdown (3Y)-34.0%-23.2%
Market cap$375.6B$0.1B
P/E (trailing)35.312.4
Dividend yield0.75%1.70%
Sector / categoryIndustrialsUS Listed
Lower P/E: FUSB 12.4 vs 35.3Higher yield: FUSB 1.70% vs 0.75%Smaller drawdown: FUSB -23.2% vs -34.0%Higher 5y return: CAT +321.1% vs +66.8%
0%+137%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CAT · FUSB

Year-by-year returns

YearCATFUSB
2022+18.6%-16.7%
2023+25.9%+21.6%
2024+24.7%+24.5%
2025+60.3%+13.4%
2026+43.5%+18.1%

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

Are CAT and FUSB good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.28 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between CAT and FUSB?

Using weekly returns as of 2026-08-27: 0.28 over 3 years, with 0.40 over the last year and 0.19 over 5 years.

Is FUSB a good diversifier for CAT?

Yes, to a useful degree: a correlation of 0.28 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.28 mean?

A reading of 0.28 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/cat-vs-fusb.json

CAT vs FUSB: 3-year weekly correlation 0.28CAT vs FUSB0.28

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[![CAT vs FUSB correlation](https://www.pairbook.io/api/v1/badge/cat-vs-fusb.svg)](https://www.pairbook.io/pair/cat-vs-fusb/)

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Related comparisons

Hubs: CAT correlations · FUSB correlations