The Graham Number of Opt-Sciences Corp (OPST) is 24.16.
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 |
|---|---|
| 2014-11-01 | 24.16 |
| 2013-10-26 | 21.34 |
| 2012-10-27 | 20.95 |
| 2011-10-29 | 19.14 |
| 2010-10-30 | 13.51 |
| 2009-10-31 | 10.13 |
| 2008-11-01 | 17.66 |
| 2007-10-27 | 16.78 |
| 2006-10-28 | 11.09 |
| 2005-10-29 | 10.10 |