BFST vs CUBI: Correlation
How closely do Business First Bancshares, Inc. (BFST) and Customers Bancorp, Inc (CUBI) trade together? Their weekly returns over three years give a correlation of 0.77, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BFST and CUBI?
On 3 years of weekly data the BFST/CUBI correlation comes out at 0.77, strong. The link has loosened recently: the 1-year correlation (0.66) runs below the 3-year figure (0.77). The 5-year figure is 0.65, and annualized covariance runs at 973.0 %².
Within BFST's tracked universe of 19 assets, CUBI comes in at #9 by 3-year correlation. On 12-month performance BFST holds a 14.4-point edge, +25.6% against +11.2%.
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.
BFST vs CUBI: side by side
| BFST (Business First Bancshares, Inc.) | CUBI (Customers Bancorp, Inc) | |
|---|---|---|
| 1-year return | +25.6% | +11.2% |
| 5-year return | +47.5% | +93.6% |
| Volatility (ann.) | 29.7% | 42.3% |
| Beta vs S&P 500 | 0.82 | 1.17 |
| Max drawdown (3Y) | -27.3% | -36.1% |
| Market cap | $1.0B | $2.7B |
| P/E (trailing) | 11.1 | 9.5 |
| Dividend yield | 1.93% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BFST | CUBI |
|---|---|---|
| 2022 | -20.2% | -56.6% |
| 2023 | +14.4% | +103.3% |
| 2024 | +6.9% | -15.5% |
| 2025 | +4.0% | +50.2% |
| 2026 | +21.3% | +8.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BFST and CUBI good diversifiers for each other?
Only partially. A correlation of 0.77 means BFST and CUBI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between BFST and CUBI?
The BFST/CUBI correlation stands at 0.77 on a 3-year window (1 year: 0.66, 5 years: 0.65), computed from weekly returns as of 2026-08-27.
Is CUBI a good diversifier for BFST?
Only partially. A correlation of 0.77 means BFST and CUBI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.77 mean?
On the −1 to +1 scale, 0.77 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
$ curl https://www.pairbook.io/api/v1/pairs/bfst-vs-cubi.json
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[](https://www.pairbook.io/pair/bfst-vs-cubi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BFST correlations · CUBI correlations
