The Graham Number of Old Second Bancorp, Inc (OSBC) is 25.76.
Graham Number estimates the fair value of a stock using both earnings and book value per share. It is commonly used by value investors to identify undervalued stocks.
| Date | Value |
|---|---|
| 2025-12-31 | 25.76 |
| 2024-12-31 | 22.96 |
| 2023-12-31 | 22.09 |
| 2022-12-31 | 16.92 |
| 2021-12-31 | 9.62 |
| 2020-12-31 | 8.87 |
| 2019-12-31 | 10.06 |
| 2018-12-31 | 8.47 |
| 2017-12-31 | 5.28 |
| 2016-12-31 | 5.03 |