How to Close Orders with MQL4 Code
In earlier articles we noticed how to open new market orders and the way to scan the account for open orders, to shut the cycle we additionally want to find out how to shut orders with the perform OrderClose() . At this level the order might be a winner, loser or breakeven however we solely need to see how to shut the order utilizing MQL4 code. OrderClose() is the MQL4 perform that permits you to shut open market orders completely or partially. This perform requires a couple of parameters, we are able to see them within the following specification.
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1 2 3 4 5 6 7 | bool OrderClose( int ticket, // ticket double lots, // volume double price, // close price int slippage, // slippage color arrow_color // color ); |
The parameters anticipated are (daring the required):
ticket to specify the ticket quantity, to establish which order to shut
tons is the dimensions in tons to shut, instance if order 1234 is a BUY order or 1 lot of EURUSD you possibly can shut your entire place specifying 1 lot or solely shut it partially, for instance 0.6 tons, the remaining 0.Four will stay open
value is the shut value, have to be the present value or very shut to it
slippage is the allowed distinction between the requested shut value and the one really on the dealer’s aspect
arrow_color is the colour of the arrow within the chart
We can apply what we discovered in how to Open Orders and Scan open Orders to shut orders, often orders are closed manually or through the technique of Order Management of an EA. In our instance we’ll scan for order and shut all of them, with some extra superior coding it is possible for you to to grow to be extra selective and select what orders to shut however for the second we’ll maintain it easy. Most of the knowledge vital to shut an order may be retrieved simply choosing the order, that is why the scan of the orders is so helpful. When you employ the OrderChoose() perform many particulars in regards to the order may be retrieved with native MQL4 capabilities, specifically:
OrderTicket() returns the ticket variety of the order
OrderHeaps() returns the place dimension of the order
The above are the strictly vital nonetheless there are extra capabilities to retrieve much more particulars about an order, we’ll see them in another article. The perform CloseOrder() is of sort boolean and returns true if the order is efficiently closed, false if the order is just not closed for some error. We can see an instance of script that closes all of the open market orders
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | #property copyright "Luca Spinello"
#property link "https://mql4tradingautomation.com"
#property version "1.00"#property strict #property show_inputs //Allowed Slippage extern double Slippage=3; //We declare a function CloseOpenOrders of type int and we want to return //the number of orders that are closed int CloseOpenOrders(){ int TotalClose=0; //We want to count how many orders have been closed //Normalization of the slippage if(Digits==3 || Digits==5){ Slippage=Slippage*10; } //We scan all the orders backwards, this is required as if we start from the first we will have problems with the counters and the loop for( int i=OrdersTotal()–1;i>=0;i— ) { //We select the order of index i selecting by position and from the pool of market/pending trades //If the selection is successful we try to close it if(OrderSelect( i, SELECT_BY_POS, MODE_TRADES )){ //We define the close price, which depends on the type of order //We retrieve the price for the instrument of the order using MarketInfo(OrderSymbol(),MODE_BID) or MODE_ASK //And we normalize the price found double ClosePrice; RefreshRates(); if(OrderType()==OP_BUY) ClosePrice=NormalizeDouble(MarketInfo(OrderSymbol(),MODE_BID),Digits); if(OrderType()==OP_SELL) ClosePrice=NormalizeDouble(MarketInfo(OrderSymbol(),MODE_ASK),Digits); //If the order is closed correcly we increment the counter of closed orders //If the order fails to be closed we print the error if(OrderClose(OrderTicket(),OrderLots(),ClosePrice,Slippage,CLR_NONE)){ TotalClose++; } else{ Print(“Order failed to close with error – “,GetLastError()); } } //If the OrderSelect() fails we return the cause else{ Print(“Failed to select the order – “,GetLastError()); } //We can have a delay if the execution is too fast, Sleep will wait x milliseconds before proceed with the code //Sleep(300); } //If the loop finishes it means there were no more open orders for that pair return(TotalClose); } void OnStart() { Print(“How many orders have been closed ? “,CloseOpenOrders()); |
If we run the script in any chart it’s going to shut all of the orders, not restricted to the forex pair within the chart
Applying extra filters we may limit the choice of the orders and shut solely particular ones. With this text you discovered how to shut an order with MQL4 language, do some experiment and check it your self. I keep in mind once I first began to study MQL coding,
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How to Close Orders with MQL4 Code