Amerant Bancorp (AMTB) vs Old Second Bancorp (OSBC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Amerant Bancorp (AMTB) has outperformed Old Second Bancorp (OSBC) over the past year, gaining 52.0% versus a gain of 43.0%. Over five years, OSBC leads with a +86.0% price change compared with +9.7% for AMTB. Old Second Bancorp is the larger company by market cap ($1.25 billion vs $1.12 billion), about 1.1 times the size.
On valuation, Old Second Bancorp trades at a lower forward P/E (10.1x vs 10.3x for Amerant Bancorp). Amerant Bancorp offers the higher dividend yield (1.26% vs 1.09%).
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AMTB | OSBC |
|---|---|---|
| Share price | $28.67 | $24.66 |
| Market cap | $1.12B | $1.25B |
| 1-day change | -1.34% | -1.56% |
| YTD return | +46.95% | +26.46% |
| 1-year return | +52.01% | +42.96% |
| 5-year return | +9.68% | +85.97% |
| P/E ratio (TTM) | 20.93 | 14.25 |
| Forward P/E | 10.28 | 10.09 |
| EPS (TTM) | $1.37 | $1.73 |
| Dividend yield | 1.26% | 1.09% |
| Annual dividend | $0.36 | $0.27 |
| 52-week high | $30.60 | $26.06 |
| 52-week low | $15.62 | $16.65 |
| Distance from 52-week high | -6.31% | -5.37% |
| Analyst consensus | none | buy |
| Avg. price target upside | +11.20% | +13.54% |
| Average volume | 373.60K | 464.29K |
| Shares outstanding | 39.19M | 50.88M |
| Employees | 704 | 1,062 |
| Sector | Financial Services | Financial Services |
| Industry | Banks - Regional | Banks - Regional |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Amerant Bancorp trades at a higher earnings multiple (20.9x vs 14.3x trailing P/E).
About Amerant Bancorp
AMTB stock →Amerant Bancorp Inc. operates as the bank holding company for Amerant Bank, N.A.
Financial Services · Banks - Regional · 704 employees
About Old Second Bancorp
OSBC stock →Old Second Bancorp, Inc. operates as the bank holding company for Old Second National Bank that provides community banking services in the United States.
Financial Services · Banks - Regional · 1,062 employees
AMTB vs OSBC FAQ
Which is bigger, Amerant Bancorp or Old Second Bancorp?
Old Second Bancorp (OSBC) is larger, with a market capitalization of $1.25B compared with $1.12B for Amerant Bancorp (AMTB).
Which stock has performed better over the past year, AMTB or OSBC?
AMTB returned +52.01% over the past 12 months, compared with +42.96% for OSBC (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AMTB or OSBC?
OSBC has the lower trailing P/E at 14.3, versus 20.9 for AMTB. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Amerant Bancorp or Old Second Bancorp?
Amerant Bancorp has the higher yield at 1.26%, compared with 1.09% for Old Second Bancorp.
Are Amerant Bancorp and Old Second Bancorp in the same industry?
Yes. Both are classified in the Banks - Regional industry within the Financial Services sector.