Merchandiser refers to those who are experienced or have better trading profitability.
In particular, professional analysts and individual investors trade at the same time they follow the trade, let other own accounts or other investors’ accounts (tracking accounts) follow the signal in accordance with the relevant conditions to follow the order.
Therefore, a foreign exchange documentary includes a call account and a documentary account, among which a call account can be one or more, and a documentary account can also be multiple. It is common that one call account corresponds to multiple documentary accounts.