NBN vs THFF: Correlation
Measured on weekly returns over the past three years, Northeast Bank (NBN) and First Financial Corporation (THFF) carry a correlation of 0.72, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NBN and THFF?
Over the past 3 years, NBN and THFF moved with a correlation of 0.72, which is strong. The relationship has been stable: the 1-year correlation (0.71) sits close to the 3-year figure. Over 5 years the correlation is 0.62, and the annualized covariance of weekly returns is 685.0 %².
THFF is one of the assets that tracks NBN most closely: it ranks #2 out of the 13 assets we track against NBN. The last year tells two different stories: THFF led by 21.1 percentage points, +17.7% for NBN 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.
NBN vs THFF: side by side
| NBN (Northeast Bank) | THFF (First Financial Corporation) | |
|---|---|---|
| 1-year return | +17.7% | +38.8% |
| 5-year return | +303.8% | +135.2% |
| Volatility (ann.) | 33.6% | 28.2% |
| Beta vs S&P 500 | 0.81 | 0.81 |
| Max drawdown (3Y) | -27.6% | -20.2% |
| Market cap | – | $0.9B |
| P/E (trailing) | 10.2 | 11.1 |
| Dividend yield | 0.03% | 2.77% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NBN | THFF |
|---|---|---|
| 2022 | +17.9% | +4.4% |
| 2023 | +31.2% | -2.6% |
| 2024 | +66.3% | +11.1% |
| 2025 | +13.3% | +36.2% |
| 2026 | +25.3% | +35.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NBN and THFF good diversifiers for each other?
Only partially. A correlation of 0.72 means NBN 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 NBN and THFF?
Using weekly returns as of 2026-08-27: 0.72 over 3 years, with 0.71 over the last year and 0.62 over 5 years.
Is THFF a good diversifier for NBN?
Only partially. A correlation of 0.72 means NBN 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 0.72 mean?
On the −1 to +1 scale, 0.72 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/nbn-vs-thff.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/nbn-vs-thff/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: NBN correlations · THFF correlations
