The Graham Number of Photronics Inc (PLAB) is 32.18.
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 |
|---|---|
| 2025-10-31 | 32.18 |
| 2024-10-31 | 30.79 |
| 2023-10-31 | 28.14 |
| 2022-10-31 | 25.28 |
| 2021-10-31 | 17.18 |
| 2020-10-31 | 13.27 |
| 2019-10-31 | 12.18 |
| 2018-10-31 | 14.39 |
| 2017-10-29 | 7.94 |
| 2016-10-30 | 14.57 |