As of April 2025 Old Second Bancorp has a market cap of $0.66 Billion USD. This makes Old Second Bancorp the world's 6188th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Apr 17th, 2025 the market cap of Old Second Bancorp was reported to be: