The Gross Margin of Petrocorp Inc (PTCP) is -64.21%.
Gross Margin represents the percentage of revenue that exceeds the cost of goods sold. It reflects a company's efficiency in producing and selling its products.
| Date | Value |
|---|---|
| 2010-12-31 | -64.21% |
| 2009-12-31 | -196.84% |
| 2008-12-31 | -17.18% |