Options Chain for OLD SECOND BANCORP INC ILL COM (OSBC) - $17.95 as of 10/31/2025 8:56:56 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 14.20 | 17.40 | 15.80 | 15.91 | 0.00 | 0.00% | 6.32 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/30/2025 | 10/31/2025 4:00:00 PM EST |
| 5.00 | 11.70 | 14.90 | 13.30 | % | 2.66 | 0 | 0 | 7.71 | 1.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 7.50 | 8.20 | 12.20 | 10.20 | % | 1.36 | 0 | 0 | 5.12 | 1.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 10.00 | 5.70 | 9.70 | 7.70 | % | 0.77 | 0 | 0 | 3.77 | 1.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 12.50 | 3.20 | 7.20 | 5.20 | % | 0.42 | 0 | 0 | 2.77 | 1.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 15.00 | 0.85 | 5.00 | 2.93 | 2.95 | 0.00 | 0.00% | 0.20 | 0 | 5 | 2.15 | 1.00 | 0.01 | 0.00 | 10/15/2025 | 10/31/2025 4:00:00 PM EST |
| 17.50 | 0.00 | 2.40 | 1.20 | 1.30 | 0.00 | 0.00% | 0.07 | 0 | 12 | 1.29 | 0.68 | 0.29 | -0.01 | 10/28/2025 | 10/31/2025 4:00:00 PM EST |
| 20.00 | 0.00 | 0.75 | 0.38 | 0.08 | 0.00 | 0.00% | 0.02 | 0 | 5 | 0.87 | 0.08 | 0.10 | 0.00 | 10/28/2025 | 10/31/2025 4:00:00 PM EST |
| 22.50 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.23 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 25.00 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.52 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 30.00 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 1.97 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 35.00 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 2.31 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 0.00 | 0.75 | 0.38 | % | 0.15 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 5.00 | 0.00 | 0.75 | 0.38 | % | 0.08 | 0 | 0 | 5.01 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 7.50 | 0.00 | 0.75 | 0.38 | % | 0.05 | 0 | 0 | 3.56 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 10.00 | 0.00 | 0.75 | 0.38 | % | 0.04 | 0 | 0 | 2.58 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 12.50 | 0.00 | 0.75 | 0.38 | % | 0.03 | 0 | 0 | 1.83 | 0.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 15.00 | 0.00 | 0.75 | 0.38 | % | 0.03 | 0 | 0 | 1.18 | 0.00 | 0.01 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 17.50 | 0.20 | 0.45 | 0.33 | 0.50 | 0.00 | 0.00% | 0.02 | 0 | 30 | 0.32 | -0.32 | 0.29 | -0.01 | 10/21/2025 | 10/31/2025 4:00:00 PM EST |
| 20.00 | 0.10 | 4.20 | 2.15 | % | 0.11 | 0 | 0 | 1.69 | -0.92 | 0.10 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 22.50 | 2.50 | 6.80 | 4.65 | % | 0.21 | 0 | 0 | 2.16 | -1.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 25.00 | 6.40 | 7.90 | 7.15 | % | 0.29 | 0 | 0 | 1.58 | -1.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 30.00 | 10.90 | 13.30 | 12.10 | % | 0.40 | 0 | 0 | 2.34 | -1.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST | |||
| 35.00 | 15.90 | 18.30 | 17.10 | % | 0.49 | 0 | 0 | 2.71 | -1.00 | 0.00 | 0.00 | 10/31/2025 4:00:00 PM EST |