FFBC vs IBOC: Correlation
How closely do First Financial Bancorp. (FFBC) and International Bancshares Corporation (IBOC) trade together? Their weekly returns over three years give a correlation of 0.86, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FFBC and IBOC?
Over the past 3 years, FFBC and IBOC moved with a correlation of 0.86, which is very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.79 over 1 year against 0.86 over 3. Over 5 years the correlation is 0.84, and the annualized covariance of weekly returns is 651.4 %².
Within FFBC's tracked universe of 31 assets, IBOC comes in at #13 by 3-year correlation. Correlation aside, the last 12 months split them widely, with FFBC ahead by 27.6 points (+26.7% versus -0.9%).
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.
FFBC vs IBOC: side by side
| FFBC (First Financial Bancorp.) | IBOC (International Bancshares Corporation) | |
|---|---|---|
| 1-year return | +26.7% | -0.9% |
| 5-year return | +69.6% | +91.3% |
| Volatility (ann.) | 28.0% | 26.9% |
| Beta vs S&P 500 | 0.81 | 0.77 |
| Max drawdown (3Y) | -26.1% | -24.1% |
| Market cap | $3.4B | $4.4B |
| P/E (trailing) | 11.6 | 10.7 |
| Dividend yield | 3.05% | 2.02% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FFBC | IBOC |
|---|---|---|
| 2022 | +3.4% | +10.9% |
| 2023 | +2.4% | +22.0% |
| 2024 | +17.6% | +19.1% |
| 2025 | -3.3% | +7.4% |
| 2026 | +33.1% | +8.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FFBC and IBOC good diversifiers for each other?
Not really. At 0.86, the two trade almost as one position, and owning both buys little extra protection.
FAQ
What is the correlation between FFBC and IBOC?
As of 2026-08-27, the correlation of weekly returns between FFBC and IBOC is 0.86 over 3 years, 0.79 over 1 year and 0.84 over 5 years.
Is IBOC a good diversifier for FFBC?
Not really. At 0.86, the two trade almost as one position, and owning both buys little extra protection.
What does a correlation of 0.86 mean?
On the −1 to +1 scale, 0.86 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/ffbc-vs-iboc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ffbc-vs-iboc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FFBC correlations · IBOC correlations
