JMSB vs THFF: Correlation
Measured on weekly returns over the past three years, John Marshall Bancorp, Inc. (JMSB) and First Financial Corporation (THFF) 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 JMSB and THFF?
Over the past 3 years, JMSB and THFF moved with a correlation of 0.70, which is strong. Recent behaviour matches the longer record: 0.65 over 1 year against 0.70 over 3. Over 5 years the correlation is 0.54, and the annualized covariance of weekly returns is 623.8 %².
THFF is one of the assets that tracks JMSB most closely: it ranks #1 out of the 10 assets we track against JMSB. Their recent paths diverged sharply: over the last 12 months THFF outperformed by 25.0 percentage points (+13.8% for JMSB against +38.8% for THFF).
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 THFF: side by side
| JMSB (John Marshall Bancorp, Inc.) | THFF (First Financial Corporation) | |
|---|---|---|
| 1-year return | +13.8% | +38.8% |
| 5-year return | +32.1% | +135.2% |
| Volatility (ann.) | 31.7% | 28.2% |
| Beta vs S&P 500 | 0.65 | 0.81 |
| Max drawdown (3Y) | -45.4% | -20.2% |
| Market cap | $0.3B | $0.9B |
| P/E (trailing) | 13.1 | 11.1 |
| Dividend yield | 0.79% | 2.77% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | JMSB | THFF |
|---|---|---|
| 2022 | +45.8% | +4.4% |
| 2023 | -20.8% | -2.6% |
| 2024 | -9.7% | +11.1% |
| 2025 | +1.2% | +36.2% |
| 2026 | +14.5% | +35.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are JMSB and THFF good diversifiers for each other?
Only partially. A correlation of 0.70 means JMSB and THFF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between JMSB and THFF?
The JMSB/THFF correlation stands at 0.70 on a 3-year window (1 year: 0.65, 5 years: 0.54), computed from weekly returns as of 2026-08-27.
Is THFF a good diversifier for JMSB?
Only partially. A correlation of 0.70 means JMSB and THFF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
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/jmsb-vs-thff.json
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Related comparisons
Hubs: JMSB correlations · THFF correlations
