The Graham Number of Petro Welt Technologies AG (O2C.DE) is 3.39.
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 |
|---|---|
| 2020-12-31 | 3.39 |
| 2019-12-31 | 3.60 |
| 2018-12-31 | 4.58 |
| 2017-12-31 | 8.41 |
| 2016-12-31 | 7.42 |
| 2015-12-31 | 5.38 |
| 2014-12-31 | 9.28 |
| 2013-12-31 | 10.96 |
| 2012-12-31 | 7.52 |
| 2011-12-31 | 3.75 |