OVLY vs PRK: Correlation
Oak Valley Bancorp (CA) (OVLY) and Park National Corporation (PRK) show a strong relationship: their 3-year correlation of weekly returns is 0.63.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OVLY and PRK?
Over the past 3 years, OVLY and PRK moved with a correlation of 0.63, which is strong. Little has changed lately, as the 1-year reading of 0.66 lands near the 3-year figure. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 472.0 %².
Among the 11 assets we track against OVLY, PRK ranks #5 by 3-year correlation. The trailing year gives OVLY the advantage: +22.2% versus +17.2%, a 5.0-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.
OVLY vs PRK: side by side
| OVLY (Oak Valley Bancorp (CA)) | PRK (Park National Corporation) | |
|---|---|---|
| 1-year return | +22.2% | +17.2% |
| 5-year return | +111.8% | +98.6% |
| Volatility (ann.) | 26.5% | 28.2% |
| Beta vs S&P 500 | 0.56 | 0.78 |
| Max drawdown (3Y) | -26.3% | -30.4% |
| Market cap | $0.3B | $3.6B |
| P/E (trailing) | 11.9 | 17.7 |
| Dividend yield | 2.22% | 2.18% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OVLY | PRK |
|---|---|---|
| 2022 | +32.4% | +6.1% |
| 2023 | +33.9% | -2.0% |
| 2024 | -0.7% | +33.0% |
| 2025 | +5.1% | -8.1% |
| 2026 | +15.9% | +32.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OVLY and PRK good diversifiers for each other?
Somewhat, no more. With 0.63 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between OVLY and PRK?
As of 2026-08-27, the correlation of weekly returns between OVLY and PRK is 0.63 over 3 years, 0.66 over 1 year and 0.51 over 5 years.
Is PRK a good diversifier for OVLY?
Somewhat, no more. With 0.63 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.63 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/ovly-vs-prk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ovly-vs-prk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: OVLY correlations · PRK correlations
