Trade Functions
This is the group of functions intended for managing trading activities.
Trading functions can be used in Expert Advisors and scripts. OrderSend(), OrderClose(), OrderCloseBy(), OrderModify(), OrderDelete() trading functions changing the state of a trading account can be called only if trading by Expert Advisors is allowed (the "Allow live trading" checkbox is enabled in the Expert Advisor or script properties).
Trading can be allowed or prohibited depending on various factors described in the Trade Permission section.
Function
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Action
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OrderClose
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Closes opened order
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OrderCloseBy
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Closes an opened order by another opposite opened order
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OrderClosePrice
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Returns close price of the currently selected order
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OrderCloseTime
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Returns close time of the currently selected order
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OrderComment
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Returns comment of the currently selected order
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OrderCommission
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Returns calculated commission of the currently selected order
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OrderDelete
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Deletes previously opened pending order
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OrderExpiration
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Returns expiration date of the selected pending order
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OrderLots
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Returns amount of lots of the selected order
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OrderMagicNumber
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Returns an identifying (magic) number of the currently selected order
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OrderModify
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Modification of characteristics of the previously opened or pending orders
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OrderOpenPrice
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Returns open price of the currently selected order
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OrderOpenTime
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Returns open time of the currently selected order
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OrderPrint
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Prints information about the selected order in the log
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OrderProfit
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Returns profit of the currently selected order
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OrderSelect
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The function selects an order for further processing
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OrderSend
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The main function used to open an order or place a pending order
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OrdersHistoryTotal
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Returns the number of closed orders in the account history loaded into the terminal
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OrderStopLoss
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Returns stop loss value of the currently selected order
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OrdersTotal
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Returns the number of market and pending orders
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OrderSwap
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Returns swap value of the currently selected order
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OrderSymbol
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Returns symbol name of the currently selected order
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OrderTakeProfit
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Returns take profit value of the currently selected order
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OrderTicket
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Returns ticket number of the currently selected order
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OrderType
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Returns order operation type of the currently selected order
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What's new in MQL5
Added the functions for working with orders, deals and positions to conduct trading operations. An order is a request to buy or sell. The order execution leads to a deal resulting in opening, modifying or closing a position.
If you develop trading robots, pay attention to the new OrderSendAsync function intended for asynchronous trading operations. This function is executed in less than 1 millisecond (it does not wait till the trade server responds to a sent request) and returns control immediately. Low network costs, high Depth of Market refresh rates and asynchronous order sending accelerate trading operations dozens of times. For intraday systems, the speed of trading operations can be a key factor.
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