The Gross Margin of Summer Energy Holdings Inc (SUME) is 8.20%.
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 |
|---|---|
| 2019-12-31 | 8.20% |
| 2018-12-31 | 8.94% |
| 2017-12-31 | 15.11% |
| 2016-12-31 | 14.93% |
| 2015-12-31 | 18.87% |
| 2014-12-31 | 11.67% |
| 2013-12-31 | 10.00% |
| 2012-12-31 | 19.05% |