The Graham Number of Natural Gas Services Group, Inc. (NGS) is 27.21.
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 | 27.21 |
| 2024-12-31 | 24.37 |
| 2023-12-31 | 12.30 |
| 2022-12-31 | 7.85 |
| 2021-12-31 | 26.24 |
| 2020-12-31 | 14.28 |