The Graham Number of Proto Labs Inc (PRLB) is 23.87.
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 | 23.87 |
| 2024-12-31 | 21.03 |
| 2023-12-31 | 21.83 |
| 2022-12-31 | 33.18 |
| 2021-12-31 | 36.13 |
| 2020-12-31 | 38.53 |
| 2019-12-31 | 40.62 |
| 2018-12-31 | 30.83 |
| 2017-12-31 | 25.40 |