OBK vs THFF: Correlation
How closely do Origin Bancorp, Inc. (OBK) and First Financial Corporation (THFF) trade together? Their weekly returns over three years give a correlation of 0.84, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OBK and THFF?
On 3 years of weekly data the OBK/THFF correlation comes out at 0.84, very strong, meaning they move nearly in lockstep. Lately the two have drifted apart, with the 1-year correlation at 0.72 versus 0.84 over 3 years. The 5-year figure is 0.79, and annualized covariance runs at 685.3 %².
In OBK's tracked universe of 11 assets, THFF sits right near the top at #3. Neither side won the trailing year by much: +38.9% against +38.8%.
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.
OBK vs THFF: side by side
| OBK (Origin Bancorp, Inc.) | THFF (First Financial Corporation) | |
|---|---|---|
| 1-year return | +38.9% | +38.8% |
| 5-year return | +43.8% | +135.2% |
| Volatility (ann.) | 29.1% | 28.2% |
| Beta vs S&P 500 | 0.90 | 0.81 |
| Max drawdown (3Y) | -28.0% | -20.2% |
| Market cap | $1.6B | $0.9B |
| P/E (trailing) | 16.7 | 11.1 |
| Dividend yield | 1.31% | 2.77% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OBK | THFF |
|---|---|---|
| 2022 | -13.3% | +4.4% |
| 2023 | -1.2% | -2.6% |
| 2024 | -4.6% | +11.1% |
| 2025 | +14.8% | +36.2% |
| 2026 | +43.3% | +35.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OBK and THFF good diversifiers for each other?
No: a correlation of 0.84 means OBK and THFF tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between OBK and THFF?
As of 2026-08-27, the correlation of weekly returns between OBK and THFF is 0.84 over 3 years, 0.72 over 1 year and 0.79 over 5 years.
Is THFF a good diversifier for OBK?
No: a correlation of 0.84 means OBK and THFF tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.84 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/obk-vs-thff.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/obk-vs-thff/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: OBK correlations · THFF correlations
