Old Second Bancorp, Inc. (OSBC:NASDAQ) closed at $24.63 on October 14, 2026, down 0.69% on the day. The stock trades 5.5% below its 52-week high of $26.06 and 47.9% above its 52-week low of $16.65. Over the past year, it gained 38.0%. Old Second Bancorp, Inc. is part of the Finance sector (Major Banks).
| 5D | 1M | 3M | 6M | 1Y |
|---|---|---|---|---|
| +0.77% | -2.78% | +3.85% | +13.09% | +38.01% |
In 252 trading sessions since October 14, 2025, OSBC closed higher on 138 days (55%). Its best day was January 21, 2026 (+5.40%) and its worst was April 23, 2026 (-6.41%). It never moved 10% or more in a single session.
Old Second Bancorp, Inc. operates as a bank holding company for Old Second National Bank that provides a range of banking services. The company accepts demand, NOW, money market, savings, time deposit, individual retirement, and checking accounts. It also offers revolving lines of credit for working capital; lending for capital expenditures on manufacturing equipment; lending to small business manufactures, service companies, medical and dental entities, and specialty contractors; commercial real estate loans; construction loans; residential real estate loans, such as residential first mortgage loans, second mortgage loans, and home equity line of credit mortgages; consumer loans, including motor vehicle, home improvement, and signature loans; installment and agricultural loans, as well as student loans; and overdraft checking. In addition, the company provides safe deposit services; trust services; wealth management services; and money orders, cashier's checks, foreign currency, direct deposits, discount brokerage, debit and credit cards, and other services, as well as acquires the U.S. treasury notes and bonds. Further, it offers online and mobile banking; corporate cash manageme...
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Based on end-of-day data. For information only, not investment advice.