AMTB vs OBK: Correlation
Amerant Bancorp Inc. (AMTB) and Origin Bancorp, Inc. (OBK) show a strong relationship: their 3-year correlation of weekly returns is 0.77.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMTB and OBK?
Across a 3-year window, the weekly returns of AMTB and OBK correlate at 0.77, strong. The past 12 months show a weaker link (0.65) than the 3-year average (0.77). Stretching to 5 years gives 0.70, with an annualized covariance of 776.1 %².
Within AMTB's tracked universe of 11 assets, OBK comes in at #4 by 3-year correlation. Twelve-month performance is nearly a tie, at +36.7% for AMTB and +38.9% for OBK.
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.
AMTB vs OBK: side by side
| AMTB (Amerant Bancorp Inc.) | OBK (Origin Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +36.7% | +38.9% |
| 5-year return | +17.3% | +43.8% |
| Volatility (ann.) | 34.6% | 29.1% |
| Beta vs S&P 500 | 0.99 | 0.90 |
| Max drawdown (3Y) | -36.9% | -28.0% |
| Market cap | $1.1B | $1.6B |
| P/E (trailing) | 20.6 | 16.7 |
| Dividend yield | 1.26% | 1.31% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMTB | OBK |
|---|---|---|
| 2022 | -21.4% | -13.3% |
| 2023 | -6.8% | -1.2% |
| 2024 | -7.3% | -4.6% |
| 2025 | -11.3% | +14.8% |
| 2026 | +49.4% | +43.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMTB and OBK good diversifiers for each other?
Somewhat, no more. With 0.77 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between AMTB and OBK?
The AMTB/OBK correlation stands at 0.77 on a 3-year window (1 year: 0.65, 5 years: 0.70), computed from weekly returns as of 2026-08-27.
Is OBK a good diversifier for AMTB?
Somewhat, no more. With 0.77 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.77 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/amtb-vs-obk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/amtb-vs-obk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AMTB correlations · OBK correlations
