JMSB vs ORRF: Correlation
Measured on weekly returns over the past three years, John Marshall Bancorp, Inc. (JMSB) and Orrstown Financial Services, Inc. (ORRF) carry a correlation of 0.68, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are JMSB and ORRF?
On 3 years of weekly data the JMSB/ORRF correlation comes out at 0.68, strong. The link has loosened recently: the 1-year correlation (0.46) runs below the 3-year figure (0.68). The 5-year figure is 0.46, and annualized covariance runs at 611.0 %².
In JMSB's tracked universe of 10 assets, ORRF sits right near the top at #2. The trailing year gives ORRF the advantage: +13.8% versus +24.6%, a 10.8-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.
JMSB vs ORRF: side by side
| JMSB (John Marshall Bancorp, Inc.) | ORRF (Orrstown Financial Services, Inc.) | |
|---|---|---|
| 1-year return | +13.8% | +24.6% |
| 5-year return | +32.1% | +111.1% |
| Volatility (ann.) | 31.7% | 28.5% |
| Beta vs S&P 500 | 0.65 | 0.84 |
| Max drawdown (3Y) | -45.4% | -35.9% |
| Market cap | $0.3B | $0.8B |
| P/E (trailing) | 13.1 | 9.5 |
| Dividend yield | 0.79% | 2.70% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | JMSB | ORRF |
|---|---|---|
| 2022 | +45.8% | -5.3% |
| 2023 | -20.8% | +32.3% |
| 2024 | -9.7% | +27.7% |
| 2025 | +1.2% | -0.0% |
| 2026 | +14.5% | +21.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are JMSB and ORRF good diversifiers for each other?
Somewhat, no more. With 0.68 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between JMSB and ORRF?
Using weekly returns as of 2026-08-27: 0.68 over 3 years, with 0.46 over the last year and 0.46 over 5 years.
Is ORRF a good diversifier for JMSB?
Somewhat, no more. With 0.68 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.68 mean?
On the −1 to +1 scale, 0.68 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/jmsb-vs-orrf.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/jmsb-vs-orrf/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: JMSB correlations · ORRF correlations
