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BUSE vs CBNK: Correlation

How closely do First Busey Corporation (BUSE) and Capital Bancorp, Inc. (CBNK) trade together? Their weekly returns over three years give a correlation of 0.82, which is very strong.

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

Correlation (3Y)
0.82
very strong
Correlation (1Y)
0.88
last 12 months
Correlation (5Y)
0.73
long-run
Ann. covariance
599.9
%² · weekly, annualized

How correlated are BUSE and CBNK?

Over the past 3 years, BUSE and CBNK moved with a correlation of 0.82, which is very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.88) sits close to the 3-year figure. Over 5 years the correlation is 0.73, and the annualized covariance of weekly returns is 599.9 %².

Within BUSE's tracked universe of 38 assets, CBNK comes in at #20 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BUSE outperformed by 20.2 percentage points (+27.5% for BUSE against +7.3% for CBNK).

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.

BUSE vs CBNK: side by side

BUSE (First Busey Corporation)CBNK (Capital Bancorp, Inc.)
1-year return+27.5%+7.3%
5-year return+56.7%+69.0%
Volatility (ann.)26.7%27.3%
Beta vs S&P 5000.790.63
Max drawdown (3Y)-31.0%-24.8%
Market cap$2.5B$0.6B
P/E (trailing)12.310.7
Dividend yield3.39%1.32%
Sector / categoryUS ListedUS Listed
Lower P/E: CBNK 10.7 vs 12.3Higher yield: BUSE 3.39% vs 1.32%Smaller drawdown: CBNK -24.8% vs -31.0%Higher 5y return: CBNK +69.0% vs +56.7%
-19%0%+32%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BUSE · CBNK

Year-by-year returns

YearBUSECBNK
2022-5.5%-9.3%
2023+5.1%+4.3%
2024-1.2%+19.7%
2025+5.5%+0.3%
2026+30.7%+30.5%

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

Are BUSE and CBNK good diversifiers for each other?

No: a correlation of 0.82 means BUSE and CBNK tend to fall together, which is precisely when diversification is supposed to help.

FAQ

What is the correlation between BUSE and CBNK?

As of 2026-08-27, the correlation of weekly returns between BUSE and CBNK is 0.82 over 3 years, 0.88 over 1 year and 0.73 over 5 years.

Is CBNK a good diversifier for BUSE?

No: a correlation of 0.82 means BUSE and CBNK tend to fall together, which is precisely when diversification is supposed to help.

What does a correlation of 0.82 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/buse-vs-cbnk.json

BUSE vs CBNK: 3-year weekly correlation 0.82BUSE vs CBNK0.82

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Related comparisons

Hubs: BUSE correlations · CBNK correlations