BANR vs WABC: Correlation
Banner Corporation (BANR) and Westamerica Bancorporation (WABC) show a very strong relationship: their 3-year correlation of weekly returns is 0.84.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BANR and WABC?
Across a 3-year window, the weekly returns of BANR and WABC correlate at 0.84, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.74) sits close to the 3-year figure. Stretching to 5 years gives 0.77, with an annualized covariance of 588.6 %².
Within BANR's tracked universe of 18 assets, WABC comes in at #6 by 3-year correlation. Over the last 12 months WABC came out ahead by 12.7 percentage points (+7.1% against +19.8%).
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.
BANR vs WABC: side by side
| BANR (Banner Corporation) | WABC (Westamerica Bancorporation) | |
|---|---|---|
| 1-year return | +7.1% | +19.8% |
| 5-year return | +46.1% | +22.6% |
| Volatility (ann.) | 28.8% | 24.4% |
| Beta vs S&P 500 | 0.80 | 0.61 |
| Max drawdown (3Y) | -25.4% | -24.7% |
| Market cap | $2.4B | $1.3B |
| P/E (trailing) | 11.6 | 12.9 |
| Dividend yield | 2.84% | 3.20% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BANR | WABC |
|---|---|---|
| 2022 | +7.2% | +5.2% |
| 2023 | -11.9% | -0.8% |
| 2024 | +29.5% | -3.6% |
| 2025 | -3.2% | -5.4% |
| 2026 | +14.6% | +24.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BANR and WABC good diversifiers for each other?
No: a correlation of 0.84 means BANR and WABC tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between BANR and WABC?
The BANR/WABC correlation stands at 0.84 on a 3-year window (1 year: 0.74, 5 years: 0.77), computed from weekly returns as of 2026-08-27.
Is WABC a good diversifier for BANR?
No: a correlation of 0.84 means BANR and WABC tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.84 mean?
A reading of 0.84 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/banr-vs-wabc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/banr-vs-wabc/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BANR correlations · WABC correlations
