The Graham Number of Biostage Inc (BSTG) is 2.17.
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 |
|---|---|
| 2022-12-31 | 2.17 |
| 2021-12-31 | 2.17 |
| 2020-12-31 | 1.03 |
| 2019-12-31 | 1.33 |
| 2018-12-31 | 1.70 |