The Graham Number of Gibraltar Industries Inc (ROCK) is 60.65.
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 |
|---|---|
| 2024-12-31 | 60.65 |
| 2023-12-31 | 50.84 |
| 2022-12-31 | 41.61 |
| 2021-12-31 | 39.93 |
| 2020-12-31 | 35.04 |
| 2019-12-31 | 33.49 |
| 2018-12-31 | 31.19 |
| 2017-12-31 | 29.17 |
| 2016-12-31 | 19.92 |
| 2015-12-31 | 15.66 |