OPBK vs RBCAA: Correlation
Measured on weekly returns over the past three years, OP Bancorp (OPBK) and Republic Bancorp, Inc. (RBCAA) carry a correlation of 0.70, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OPBK and RBCAA?
On 3 years of weekly data the OPBK/RBCAA correlation comes out at 0.70, strong. The relationship has been stable: the 1-year correlation (0.69) sits close to the 3-year figure. The 5-year figure is 0.60, and annualized covariance runs at 595.0 %².
Among the 15 assets we track against OPBK, RBCAA ranks #5 by 3-year correlation. The trailing year gives RBCAA the advantage: +10.6% versus +25.1%, a 14.5-point spread.
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.
OPBK vs RBCAA: side by side
| OPBK (OP Bancorp) | RBCAA (Republic Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +10.6% | +25.1% |
| 5-year return | +86.0% | +117.3% |
| Volatility (ann.) | 30.2% | 28.1% |
| Beta vs S&P 500 | 0.65 | 0.68 |
| Max drawdown (3Y) | -41.8% | -21.6% |
| Market cap | $0.2B | $1.8B |
| P/E (trailing) | 7.7 | 14.4 |
| Dividend yield | 3.33% | 2.01% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OPBK | RBCAA |
|---|---|---|
| 2022 | -9.3% | -16.9% |
| 2023 | +3.2% | +39.4% |
| 2024 | +50.5% | +30.3% |
| 2025 | -7.4% | +1.3% |
| 2026 | +10.4% | +38.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OPBK and RBCAA good diversifiers for each other?
Somewhat, no more. With 0.70 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between OPBK and RBCAA?
The OPBK/RBCAA correlation stands at 0.70 on a 3-year window (1 year: 0.69, 5 years: 0.60), computed from weekly returns as of 2026-08-27.
Is RBCAA a good diversifier for OPBK?
Somewhat, no more. With 0.70 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.70 mean?
On the −1 to +1 scale, 0.70 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/opbk-vs-rbcaa.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/opbk-vs-rbcaa/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: OPBK correlations · RBCAA correlations
