Old Second Bancorporation Inc
Old Second Bancorporation Inc (OSBC) Options Open Interest
OSBC options open interest is 258 contracts. The 2-week average daily volume is 9 contracts across the chain.
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Monitoring OSBC open interest helps you see where real money is positioned on Old Second Bancorporation Inc's options and which strikes are attracting the most commitment from traders. Old Second Bancorporation Inc's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor OSBC options open interest in real time and find the strikes that matter.
Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising OSBC options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect Old Second Bancorporation Inc to settle.
Old Second Bancorp, Inc. operates as the bank holding company for Old Second National Bank that provides community banking services. It provides demand, NOW, money market, savings, time deposit, individual retirement, and checking accounts, as well as certificate of deposit accounts. The company also offers commercial loans; lease financing receivables; commercial real estate loans; construction loans; residential real estate loans, such as residential first mortgage and second mortgage loans; home equity line of credit; consumer loans, including motor vehicle, home improvement, and signature loans; installment and agricultural loans; residential mortgages; and overdraft checking.
Further, it provides safe deposit services; trust and 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. In addition, the company offers online and mobile banking; corporate cash management products, including remote and mobile deposits capture, investment sweep accounts, zero balance accounts, automated tax payments, automatic teller machines access, telephone banking, lockbox accounts, automated clearing house transactions, account reconciliation, controlled disbursement, detail and general information reporting, foreign and domestic wire transfers, and vault services for currency and coin; and investment, agency, and custodial services for individual, corporate, and not-for-profit clients. It operates through 63 banking centers in Cook, DeKalb, DuPage, Kane, Kendall, LaSalle, and Will counties in Illinois. Old Second Bancorp, Inc. was incorporated in 1981 and is headquartered in Aurora, Illinois.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where OSBC open interest is concentrated. Our scanner maps Old Second Bancorporation Inc's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade Old Second Bancorporation Inc's options open interest as the signal it is, not as an afterthought.
| 25.00 | — | 1.35 | 1.35 | 70% | +0.5257 | 40 |
| 15.00 | 9.10 | 12.50 | 10.80 | 266% | +0.8940 | 0 |
| 17.50 | 6.60 | 10.00 | 8.30 | 205% | +0.8636 | 0 |
| 20.00 | 2.50 | 6.70 | 4.60 | 14% | +1.0000 | 0 |
| 22.50 | 0.20 | 4.90 | 2.55 | 39% | +0.9237 | 0 |
| 15.00 | — | 0.20 | 0.20 | 178% | -0.0489 | 0 |
| 17.50 | — | 0.75 | 0.75 | 198% | -0.1309 | 0 |
| 20.00 | — | 0.75 | 0.75 | 144% | -0.1745 | 0 |
| 22.50 | — | 0.95 | 0.95 | 106% | -0.2704 | 0 |
| 25.00 | — | 4.10 | 4.10 | 214% | -0.4185 | 0 |
As of October 5, 2026
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