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BY vs CAC: Correlation

How closely do Byline Bancorp, Inc. (BY) and Camden National Corporation (CAC) trade together? Their weekly returns over three years give a correlation of 0.87, which is very strong.

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

Correlation (3Y)
0.87
very strong
Correlation (1Y)
0.88
last 12 months
Correlation (5Y)
0.76
long-run
Ann. covariance
675.7
%² · weekly, annualized

How correlated are BY and CAC?

On 3 years of weekly data the BY/CAC correlation comes out at 0.87, very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.88 over 1 year against 0.87 over 3. The 5-year figure is 0.76, and annualized covariance runs at 675.7 %².

Among the 70 assets we track against BY, CAC ranks #12 by 3-year correlation. On 12-month performance CAC holds a 10.8-point edge, +32.5% against +43.3%.

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.

BY vs CAC: side by side

BY (Byline Bancorp, Inc.)CAC (Camden National Corporation)
1-year return+32.5%+43.3%
5-year return+66.2%+51.3%
Volatility (ann.)26.8%29.0%
Beta vs S&P 5000.800.87
Max drawdown (3Y)-27.2%-26.0%
Market cap$1.7B$1.0B
P/E (trailing)11.510.9
Dividend yield1.15%2.97%
Sector / categoryUS ListedUS Listed
Lower P/E: CAC 10.9 vs 11.5Higher yield: CAC 2.97% vs 1.15%Smaller drawdown: CAC -26.0% vs -27.2%Higher 5y return: BY +66.2% vs +51.3%
-11%0%+50%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BY · CAC

Year-by-year returns

YearBYCAC
2022-14.7%-10.3%
2023+4.3%-5.0%
2024+25.0%+19.1%
2025+2.0%+5.8%
2026+32.7%+34.5%

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

Are BY and CAC good diversifiers for each other?

No: a correlation of 0.87 means BY and CAC tend to fall together, which is precisely when diversification is supposed to help.

FAQ

What is the correlation between BY and CAC?

The BY/CAC correlation stands at 0.87 on a 3-year window (1 year: 0.88, 5 years: 0.76), computed from weekly returns as of 2026-08-27.

Is CAC a good diversifier for BY?

No: a correlation of 0.87 means BY and CAC tend to fall together, which is precisely when diversification is supposed to help.

What does a correlation of 0.87 mean?

On the −1 to +1 scale, 0.87 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

BY vs CAC: 3-year weekly correlation 0.87BY vs CAC0.87

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Related comparisons

Hubs: BY correlations · CAC correlations