Sometimes there are mistakes in trading volumes on coinmarketcap. It is necessary to check all the volumes directly on the exchanges.
In all cases EDC has a good trading volumes on exchange, but it is necessary that price of the tokens will grow in future. For this perpose it is necessary to constantly develop the project.
Sometimes trading volumes say a lot. For example, when they are really big, you can understand that they are interested in coins. Pls such an asset is more difficult to manipulate.