The Graham Number of Tantech Holdings Ltd (TANH) is 92.40.
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 | 92.40 |
| 2024-12-31 | 187.56 |
| 2023-12-31 | 133.70 |
| 2022-12-31 | 100.66 |
| 2021-12-31 | 138.01 |
| 2020-12-31 | 131.47 |