ConnectOne Bancorp (CNOB) vs Old Second Bancorp (OSBC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Old Second Bancorp (OSBC) has outperformed ConnectOne Bancorp (CNOB) over the past year, gaining 43.9% versus a gain of 19.1%. Over five years, OSBC leads with a +87.5% price change compared with -6.3% for CNOB. ConnectOne Bancorp is the larger company by market cap ($1.52 billion vs $1.26 billion), about 1.2 times the size.
On valuation, ConnectOne Bancorp trades at a lower forward P/E (8.3x vs 10.2x for Old Second Bancorp). ConnectOne Bancorp offers the higher dividend yield (2.48% 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 | CNOB | OSBC |
|---|---|---|
| Share price | $30.22 | $24.86 |
| Market cap | $1.52B | $1.26B |
| 1-day change | +0.87% | +0.81% |
| YTD return | +15.26% | +27.49% |
| 1-year return | +19.07% | +43.95% |
| 5-year return | -6.32% | +87.48% |
| P/E ratio (TTM) | 9.72 | 14.05 |
| Forward P/E | 8.31 | 10.17 |
| EPS (TTM) | $3.11 | $1.77 |
| Dividend yield | 2.48% | 1.09% |
| Annual dividend | $0.75 | $0.27 |
| 52-week high | $34.14 | $26.06 |
| 52-week low | $23.20 | $16.65 |
| Distance from 52-week high | -11.48% | -4.60% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +21.61% | +13.96% |
| Average volume | 395.47K | 469.85K |
| Shares outstanding | 50.32M | 50.88M |
| Employees | 750 | 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
- OSBC has outperformed CNOB by 24.9 percentage points over the past year.
- Old Second Bancorp trades at a higher earnings multiple (14.0x vs 9.7x trailing P/E).
- ConnectOne Bancorp offers a meaningfully higher dividend yield (2.48% vs 1.09%).
About ConnectOne Bancorp
CNOB stock →ConnectOne Bancorp, Inc. operates as the bank holding company for ConnectOne Bank that provides commercial banking products and services for small and mid-sized businesses, local professionals, and individuals in the United States.
Financial Services · Banks - Regional · 750 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
CNOB vs OSBC FAQ
Which is bigger, ConnectOne Bancorp or Old Second Bancorp?
ConnectOne Bancorp (CNOB) is larger, with a market capitalization of $1.52B compared with $1.26B for Old Second Bancorp (OSBC).
Which stock has performed better over the past year, CNOB or OSBC?
OSBC returned +43.95% over the past 12 months, compared with +19.07% for CNOB (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, CNOB or OSBC?
CNOB has the lower trailing P/E at 9.7, versus 14.0 for OSBC. 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, ConnectOne Bancorp or Old Second Bancorp?
ConnectOne Bancorp has the higher yield at 2.48%, compared with 1.09% for Old Second Bancorp.
Are ConnectOne Bancorp and Old Second Bancorp in the same industry?
Yes. Both are classified in the Banks - Regional industry within the Financial Services sector.