The Net Margin of Petro River Oil Corp (PTRC) is -310.31%.
Net Margin measures the percentage of net income derived from total revenue after all expenses. It signals how much actual profit a company retains from its sales.
| Date | Value |
|---|---|
| 2019-04-30 | -310.31% |
| 2018-04-30 | -2825.38% |
| 2017-04-30 | -11152.22% |
| 2016-04-30 | -12500.49% |
| 2015-04-30 | -234.51% |
| 2014-04-30 | -2405.70% |
| 2013-04-30 | -1288.89% |
| 2012-04-30 | -2295.45% |
| 2011-04-30 | -1892.36% |
| 2010-04-30 | -78100.00% |