BANF vs FFIN: Correlation
BancFirst Corporation (BANF) and First Financial Bankshares, Inc. (FFIN) show a very strong relationship: their 3-year correlation of weekly returns is 0.84.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BANF and FFIN?
On 3 years of weekly data the BANF/FFIN correlation comes out at 0.84, very strong, meaning they move nearly in lockstep. Little has changed lately, as the 1-year reading of 0.79 lands near the 3-year figure. The 5-year figure is 0.71, and annualized covariance runs at 723.4 %².
Within BANF's tracked universe of 16 assets, FFIN comes in at #4 by 3-year correlation. On 12-month performance FFIN holds a 5.3-point edge, -16.1% against -10.8%.
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.
BANF vs FFIN: side by side
| BANF (BancFirst Corporation) | FFIN (First Financial Bankshares, Inc.) | |
|---|---|---|
| 1-year return | -16.1% | -10.8% |
| 5-year return | +116.0% | -22.9% |
| Volatility (ann.) | 28.2% | 30.5% |
| Beta vs S&P 500 | 0.72 | 0.84 |
| Max drawdown (3Y) | -23.6% | -31.4% |
| Market cap | $3.7B | $4.7B |
| P/E (trailing) | 14.9 | 18.0 |
| Dividend yield | 1.75% | 2.35% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BANF | FFIN |
|---|---|---|
| 2022 | +27.1% | -31.2% |
| 2023 | +12.4% | -9.8% |
| 2024 | +22.6% | +21.6% |
| 2025 | -8.0% | -15.3% |
| 2026 | +5.1% | +12.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BANF and FFIN good diversifiers for each other?
No: a correlation of 0.84 means BANF and FFIN tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between BANF and FFIN?
Using weekly returns as of 2026-08-27: 0.84 over 3 years, with 0.79 over the last year and 0.71 over 5 years.
Is FFIN a good diversifier for BANF?
No: a correlation of 0.84 means BANF and FFIN tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.84 mean?
A reading of 0.84 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/banf-vs-ffin.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/banf-vs-ffin/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BANF correlations · FFIN correlations
