The Graham Number of Protagenic Therapeutics Inc (PTIX) is 1.84.
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 | 
|---|---|
| 2025-03-31 | 1.84 | 
| 2024-12-31 | 1.84 |