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BY vs EBMT: Correlation

How closely do Byline Bancorp, Inc. (BY) and Eagle Bancorp Montana, Inc. (EBMT) trade together? Their weekly returns over three years give a correlation of 0.67, which is strong.

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

Correlation (3Y)
0.67
strong
Correlation (1Y)
0.75
last 12 months
Correlation (5Y)
0.52
long-run
Ann. covariance
455.2
%² · weekly, annualized

How correlated are BY and EBMT?

On 3 years of weekly data the BY/EBMT correlation comes out at 0.67, strong. The relationship has been stable: the 1-year correlation (0.75) sits close to the 3-year figure. The 5-year figure is 0.52, and annualized covariance runs at 455.2 %².

Within BY's tracked universe of 70 assets, EBMT comes in at #52 by 3-year correlation. Their 12-month results are close: +32.5% for BY against +32.2% for EBMT.

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 EBMT: side by side

BY (Byline Bancorp, Inc.)EBMT (Eagle Bancorp Montana, Inc.)
1-year return+32.5%+32.2%
5-year return+66.2%+21.5%
Volatility (ann.)26.8%25.2%
Beta vs S&P 5000.800.51
Max drawdown (3Y)-27.2%-22.2%
Market cap$1.7B$0.2B
P/E (trailing)11.511.0
Dividend yield1.15%2.56%
Sector / categoryUS ListedUS Listed
Lower P/E: EBMT 11.0 vs 11.5Higher yield: EBMT 2.56% vs 1.15%Smaller drawdown: EBMT -22.2% vs -27.2%Higher 5y return: BY +66.2% vs +21.5%
-10%0%+39%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BY · EBMT

Year-by-year returns

YearBYEBMT
2022-14.7%-27.8%
2023+4.3%+1.9%
2024+25.0%+1.1%
2025+2.0%+34.4%
2026+32.7%+14.8%

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

Are BY and EBMT good diversifiers for each other?

Somewhat, no more. With 0.67 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between BY and EBMT?

The BY/EBMT correlation stands at 0.67 on a 3-year window (1 year: 0.75, 5 years: 0.52), computed from weekly returns as of 2026-08-27.

Is EBMT a good diversifier for BY?

Somewhat, no more. With 0.67 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.67 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/by-vs-ebmt.json

BY vs EBMT: 3-year weekly correlation 0.67BY vs EBMT0.67

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Related comparisons

Hubs: BY correlations · EBMT correlations