The Graham Number of Gibraltar Industries Inc (ROCK) is 61.02.
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 | 61.02 |
| 2023-12-31 | 51.15 |
| 2022-12-31 | 41.86 |
| 2021-12-31 | 40.18 |
| 2020-12-31 | 35.26 |
| 2019-12-31 | 33.69 |
| 2018-12-31 | 31.38 |
| 2017-12-31 | 29.35 |
| 2016-12-31 | 20.05 |
| 2015-12-31 | 15.76 |