PairBook
HomeGBCI › GBCI vs UNB

GBCI vs UNB: Correlation

How closely do Glacier Bancorp, Inc. (GBCI) and Union Bankshares, Inc. (UNB) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.55
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
526.2
%² · weekly, annualized

How correlated are GBCI and UNB?

Across a 3-year window, the weekly returns of GBCI and UNB correlate at 0.46, moderate. Little has changed lately, as the 1-year reading of 0.55 lands near the 3-year figure. Stretching to 5 years gives 0.39, with an annualized covariance of 526.2 %².

By 3-year correlation, UNB places #10 of the 15 assets tracked against GBCI. On 12-month performance GBCI holds a 5.6-point edge, +0.1% against -5.5%.

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.

GBCI vs UNB: side by side

GBCI (Glacier Bancorp, Inc.)UNB (Union Bankshares, Inc.)
1-year return+0.1%-5.5%
5-year return+4.0%-7.4%
Volatility (ann.)32.6%34.7%
Beta vs S&P 5000.870.57
Max drawdown (3Y)-34.8%-40.1%
Market cap$6.2B$0.1B
P/E (trailing)19.49.1
Dividend yield2.80%6.13%
Sector / categoryUS ListedUS Listed
Lower P/E: UNB 9.1 vs 19.4Higher yield: UNB 6.13% vs 2.80%Smaller drawdown: GBCI -34.8% vs -40.1%Higher 5y return: GBCI +4.0% vs -7.4%
-17%0%+11%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GBCI · UNB

Year-by-year returns

YearGBCIUNB
2022-10.4%-15.4%
2023-13.0%+35.3%
2024+25.4%-0.7%
2025-9.6%-13.8%
2026+8.8%+3.2%

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

Are GBCI and UNB good diversifiers for each other?

A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between GBCI and UNB?

As of 2026-08-27, the correlation of weekly returns between GBCI and UNB is 0.46 over 3 years, 0.55 over 1 year and 0.39 over 5 years.

Is UNB a good diversifier for GBCI?

A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.46 mean?

A reading of 0.46 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/gbci-vs-unb.json

GBCI vs UNB: 3-year weekly correlation 0.46GBCI vs UNB0.46

Drop this badge in a README or notebook; it updates with the data:

[![GBCI vs UNB correlation](https://www.pairbook.io/api/v1/badge/gbci-vs-unb.svg)](https://www.pairbook.io/pair/gbci-vs-unb/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: GBCI correlations · UNB correlations