The Graham Number of Productivity Technologies Corp (PRAC) is 2.66.
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 |
|---|---|
| 2004-06-30 | 2.66 |
| 2003-06-30 | 1.66 |
| 2002-06-30 | 5.30 |
| 2001-06-30 | 4.18 |
| 2000-06-30 | 5.20 |
| 1999-06-30 | 4.81 |