BY vs WTBA: Correlation
How closely do Byline Bancorp, Inc. (BY) and West Bancorporation (WTBA) trade together? Their weekly returns over three years give a correlation of 0.86, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BY and WTBA?
On 3 years of weekly data the BY/WTBA correlation comes out at 0.86, very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.82 over 1 year against 0.86 over 3. The 5-year figure is 0.78, and annualized covariance runs at 705.1 %².
By 3-year correlation, WTBA places #19 of the 70 assets tracked against BY. The last year tells two different stories: WTBA led by 15.4 percentage points, +32.5% for BY against +47.9% for WTBA.
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 WTBA: side by side
| BY (Byline Bancorp, Inc.) | WTBA (West Bancorporation) | |
|---|---|---|
| 1-year return | +32.5% | +47.9% |
| 5-year return | +66.2% | +16.8% |
| Volatility (ann.) | 26.8% | 30.5% |
| Beta vs S&P 500 | 0.80 | 0.75 |
| Max drawdown (3Y) | -27.2% | -26.9% |
| Market cap | $1.7B | $0.5B |
| P/E (trailing) | 11.5 | 12.6 |
| Dividend yield | 1.15% | 3.53% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BY | WTBA |
|---|---|---|
| 2022 | -14.7% | -14.4% |
| 2023 | +4.3% | -12.4% |
| 2024 | +25.0% | +7.7% |
| 2025 | +2.0% | +7.7% |
| 2026 | +32.7% | +31.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BY and WTBA good diversifiers for each other?
No: a correlation of 0.86 means BY and WTBA tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between BY and WTBA?
The BY/WTBA correlation stands at 0.86 on a 3-year window (1 year: 0.82, 5 years: 0.78), computed from weekly returns as of 2026-08-27.
Is WTBA a good diversifier for BY?
No: a correlation of 0.86 means BY and WTBA tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.86 mean?
A reading of 0.86 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Hubs: BY correlations · WTBA correlations