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CATY vs GBCI: Correlation

How closely do Cathay General Bancorp (CATY) and Glacier Bancorp, Inc. (GBCI) trade together? Their weekly returns over three years give a correlation of 0.86, which is very strong.

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

Correlation (3Y)
0.86
very strong
Correlation (1Y)
0.81
last 12 months
Correlation (5Y)
0.82
long-run
Ann. covariance
749.3
%² · weekly, annualized

How correlated are CATY and GBCI?

Over the past 3 years, CATY and GBCI moved with a correlation of 0.86, which is very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.81) sits close to the 3-year figure. Over 5 years the correlation is 0.82, and the annualized covariance of weekly returns is 749.3 %².

By 3-year correlation, GBCI places #10 of the 28 assets tracked against CATY. The last year tells two different stories: CATY led by 26.6 percentage points, +26.7% for CATY against +0.1% for GBCI.

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.

CATY vs GBCI: side by side

CATY (Cathay General Bancorp)GBCI (Glacier Bancorp, Inc.)
1-year return+26.7%+0.1%
5-year return+83.2%+4.0%
Volatility (ann.)26.8%32.6%
Beta vs S&P 5000.820.87
Max drawdown (3Y)-29.7%-34.8%
Market cap$4.1B$6.2B
P/E (trailing)12.119.4
Dividend yield2.39%2.80%
Sector / categoryUS ListedUS Listed
Lower P/E: CATY 12.1 vs 19.4Higher yield: GBCI 2.80% vs 2.39%Smaller drawdown: CATY -29.7% vs -34.8%Higher 5y return: CATY +83.2% vs +4.0%
-17%0%+34%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CATY · GBCI

Year-by-year returns

YearCATYGBCI
2022-2.1%-10.4%
2023+13.5%-13.0%
2024+10.3%+25.4%
2025+4.6%-9.6%
2026+30.2%+8.8%

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

Are CATY and GBCI good diversifiers for each other?

No: a correlation of 0.86 means CATY and GBCI tend to fall together, which is precisely when diversification is supposed to help.

FAQ

What is the correlation between CATY and GBCI?

The CATY/GBCI correlation stands at 0.86 on a 3-year window (1 year: 0.81, 5 years: 0.82), computed from weekly returns as of 2026-08-27.

Is GBCI a good diversifier for CATY?

No: a correlation of 0.86 means CATY and GBCI tend to fall together, which is precisely when diversification is supposed to help.

What does a correlation of 0.86 mean?

A reading of 0.86 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/caty-vs-gbci.json

CATY vs GBCI: 3-year weekly correlation 0.86CATY vs GBCI0.86

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Hubs: CATY correlations · GBCI correlations