According to Old Second Bancorp's latest financial reports the company's current revenue (TTM ) is โน33.71 Billion. In 2025 the company made a revenue of โน29.90 Billion an increase over the revenue in the year 2024 that were of โน24.01 Billion. The revenue is the total amount of income that a company generates by the sale of goods or services. Unlike with the earnings no expenses are subtracted.