BANR vs CATY: Correlation
Measured on weekly returns over the past three years, Banner Corporation (BANR) and Cathay General Bancorp (CATY) carry a correlation of 0.88, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BANR and CATY?
On 3 years of weekly data the BANR/CATY correlation comes out at 0.88, very strong, meaning they move nearly in lockstep. Little has changed lately, as the 1-year reading of 0.82 lands near the 3-year figure. The 5-year figure is 0.83, and annualized covariance runs at 675.0 %².
CATY is one of the assets that tracks BANR most closely: it ranks #1 out of the 18 assets we track against BANR. The last year tells two different stories: CATY led by 19.6 percentage points, +7.1% for BANR against +26.7% for CATY.
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 CATY: side by side
| BANR (Banner Corporation) | CATY (Cathay General Bancorp) | |
|---|---|---|
| 1-year return | +7.1% | +26.7% |
| 5-year return | +46.1% | +83.2% |
| Volatility (ann.) | 28.8% | 26.8% |
| Beta vs S&P 500 | 0.80 | 0.82 |
| Max drawdown (3Y) | -25.4% | -29.7% |
| Market cap | $2.4B | $4.1B |
| P/E (trailing) | 11.6 | 12.1 |
| Dividend yield | 2.84% | 2.39% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BANR | CATY |
|---|---|---|
| 2022 | +7.2% | -2.1% |
| 2023 | -11.9% | +13.5% |
| 2024 | +29.5% | +10.3% |
| 2025 | -3.2% | +4.6% |
| 2026 | +14.6% | +30.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BANR and CATY good diversifiers for each other?
No: a correlation of 0.88 means BANR and CATY tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between BANR and CATY?
The BANR/CATY correlation stands at 0.88 on a 3-year window (1 year: 0.82, 5 years: 0.83), computed from weekly returns as of 2026-08-27.
Is CATY a good diversifier for BANR?
No: a correlation of 0.88 means BANR and CATY tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.88 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
$ curl https://www.pairbook.io/api/v1/pairs/banr-vs-caty.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/banr-vs-caty/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BANR correlations · CATY correlations
