MQL4参考 MQL5 特色 MQL5 functions Trade Functions

Trade Functions

This is the group of functions intended for managing trading activities. Trading functions can be called only if in the properties of the Expert Advisor or script the "Allow live trading" checkbox is enabled.

Trading can be allowed or prohibited depending on various factors described in the Trade Permission section.

Function	Action
OrderCalcMargin	Calculates the margin required for the specified order type, in the deposit currency
OrderCalcProfit	Calculates the profit based on the parameters passed, in the deposit currency
OrderCheck	Checks if there are enough funds to execute the required trade operation.
OrderSend	Sends trade requests to a server
OrderSendAsync	Asynchronously sends trade requests without waiting for the trade response of the trade server
PositionsTotal	Returns the number of open positions
PositionGetSymbol	Returns the symbol corresponding to the open position
PositionSelect	Chooses an open position for further working with it
PositionSelectByTicket	Selects a position to work with by the ticket number specified in it
PositionGetDouble	Returns the requested property of an open position (double)
PositionGetInteger	Returns the requested property of an open position (datetime or int)
PositionGetString	Returns the requested property of an open position (string)
PositionGetTicket	Returns the ticket of the position with the specified index in the list of open positions
OrdersTotal	Returns the number of orders
OrderGetTicket	Return the ticket of a corresponding order
OrderSelect	Selects a order for further working with it
OrderGetDouble	Returns the requested property of the order (double)
OrderGetInteger	Returns the requested property of the order (datetime or int)
OrderGetString	Returns the requested property of the order (string)
HistorySelect	Retrieves the history of transactions and orders for the specified period of the server time
HistorySelectByPosition	Requests the history of deals with a specified position identifier.
HistoryOrderSelect	Selects an order in the history for further working with it
HistoryOrdersTotal	Returns the number of orders in the history
HistoryOrderGetTicket	Return order ticket of a corresponding order in the history
HistoryOrderGetDouble	Returns the requested property of an order in the history (double)
HistoryOrderGetInteger	Returns the requested property of an order in the history (datetime or int)
HistoryOrderGetString	Returns the requested property of an order in the history (string)
HistoryDealSelect	Selects a deal in the history for further calling it through appropriate functions
HistoryDealsTotal	Returns the number of deals in the history
HistoryDealGetTicket	Returns a ticket of a corresponding deal in the history
HistoryDealGetDouble	Returns the requested property of a deal in the history (double)
HistoryDealGetInteger	Returns the requested property of a deal in the history (datetime or int)
HistoryDealGetString	Returns the requested property of a deal in the history (string)

Chart OperationsTrade Signals