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BY vs HAFC: Correlation

How closely do Byline Bancorp, Inc. (BY) and Hanmi Financial Corporation (HAFC) 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)
0.68
last 12 months
Correlation (5Y)
0.78
long-run
Ann. covariance
717.1
%² · weekly, annualized

How correlated are BY and HAFC?

Over the past 3 years, BY and HAFC moved with a correlation of 0.82, which is very strong, meaning they move nearly in lockstep. The link has loosened recently: the 1-year correlation (0.68) runs below the 3-year figure (0.82). Over 5 years the correlation is 0.78, and the annualized covariance of weekly returns is 717.1 %².

By 3-year correlation, HAFC places #32 of the 70 assets tracked against BY. Over the last 12 months BY came out ahead by 5.2 percentage points (+32.5% against +27.3%).

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 HAFC: side by side

BY (Byline Bancorp, Inc.)HAFC (Hanmi Financial Corporation)
1-year return+32.5%+27.3%
5-year return+66.2%+104.5%
Volatility (ann.)26.8%32.5%
Beta vs S&P 5000.800.90
Max drawdown (3Y)-27.2%-26.9%
Market cap$1.7B$0.9B
P/E (trailing)11.510.5
Dividend yield1.15%3.54%
Sector / categoryUS ListedUS Listed
Lower P/E: HAFC 10.5 vs 11.5Higher yield: HAFC 3.54% vs 1.15%Smaller drawdown: HAFC -26.9% vs -27.2%Higher 5y return: HAFC +104.5% vs +66.2%
-10%0%+38%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BY · HAFC

Year-by-year returns

YearBYHAFC
2022-14.7%+8.5%
2023+4.3%-17.0%
2024+25.0%+28.7%
2025+2.0%+19.7%
2026+32.7%+18.5%

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

Are BY and HAFC good diversifiers for each other?

No. With a correlation of 0.82, BY and HAFC move nearly in lockstep, so holding both adds very little diversification.

FAQ

What is the correlation between BY and HAFC?

As of 2026-08-27, the correlation of weekly returns between BY and HAFC is 0.82 over 3 years, 0.68 over 1 year and 0.78 over 5 years.

Is HAFC a good diversifier for BY?

No. With a correlation of 0.82, BY and HAFC move nearly in lockstep, so holding both adds very little diversification.

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/by-vs-hafc.json

BY vs HAFC: 3-year weekly correlation 0.82BY vs HAFC0.82

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Hubs: BY correlations · HAFC correlations