DJCO vs RBCAA: Correlation
How closely do Daily Journal Corp. (S.C.) (DJCO) and Republic Bancorp, Inc. (RBCAA) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DJCO and RBCAA?
Across a 3-year window, the weekly returns of DJCO and RBCAA correlate at 0.55, moderate. The link has loosened recently: the 1-year correlation (0.44) runs below the 3-year figure (0.55). Stretching to 5 years gives 0.47, with an annualized covariance of 605.3 %².
RBCAA is one of the assets that tracks DJCO most closely: it ranks #1 out of the 11 assets we track against DJCO. Over the last 12 months DJCO came out ahead by 10.0 percentage points (+35.1% against +25.1%).
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.
DJCO vs RBCAA: side by side
| DJCO (Daily Journal Corp. (S.C.)) | RBCAA (Republic Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +35.1% | +25.1% |
| 5-year return | +91.2% | +117.3% |
| Volatility (ann.) | 39.6% | 28.1% |
| Beta vs S&P 500 | 0.79 | 0.68 |
| Max drawdown (3Y) | -38.0% | -21.6% |
| Market cap | $0.9B | $1.8B |
| P/E (trailing) | – | 14.4 |
| Dividend yield | 0.00% | 2.01% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DJCO | RBCAA |
|---|---|---|
| 2022 | -29.8% | -16.9% |
| 2023 | +36.1% | +39.4% |
| 2024 | +66.7% | +30.3% |
| 2025 | -14.2% | +1.3% |
| 2026 | +29.5% | +38.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DJCO and RBCAA good diversifiers for each other?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between DJCO and RBCAA?
The DJCO/RBCAA correlation stands at 0.55 on a 3-year window (1 year: 0.44, 5 years: 0.47), computed from weekly returns as of 2026-08-27.
Is RBCAA a good diversifier for DJCO?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.55 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/djco-vs-rbcaa.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/djco-vs-rbcaa/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DJCO correlations · RBCAA correlations
