The Graham Number of Innospec Inc (IOSP) is 75.73.
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 | 75.73 |
| 2024-12-31 | 39.99 |
| 2023-12-31 | 76.93 |
| 2022-12-31 | 71.56 |
| 2021-12-31 | 59.71 |
| 2020-12-31 | 31.71 |
| 2019-12-31 | 61.82 |
| 2018-12-31 | 51.00 |
| 2017-12-31 | 42.66 |
| 2016-12-31 | 44.39 |