Today we will continue coding the Simple System expert advisor. In this tutorial we will program the core of our Algorithmic Trading System.
We will use the OrderSend() function to send Buy and Sell orders to the market based on which way the price has moved. To check the price we will be using the Open[] array, which Metaeditor provides for us.
Source code under the video
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Code for 4-digit brokers
//+------------------------------------------------------------------+
//| SimpleSystem.mq4 |
//| Copyright 2014, ForexBoat |
//| http://www.forexboat.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2014, ForexBoat"
#property link "http://www.forexboat.com"
#property version "1.00"
#property strict
extern int StartHour = 9;
extern int TakeProfit = 40;
extern int StopLoss = 40;
extern double Lots = 1;
void OnTick()
{
static bool IsFirstTick = true;
static int ticket = 0;
if(Hour() == StartHour)
{
if(IsFirstTick == true)
{
IsFirstTick = false;
if(Open[0] < Open[StartHour])
{
ticket = OrderSend(Symbol(), OP_BUY, Lots, Ask, 10, Bid-StopLoss*Point, Bid+TakeProfit*Point, "Set by SimpleSystem");
if(ticket < 0)
{
Alert("Error Sending Order!");
}
}
else
{
ticket = OrderSend(Symbol(), OP_SELL, Lots, Bid, 10, Ask+StopLoss*Point, Ask-TakeProfit*Point, "Set by SimpleSystem");
if(ticket < 0)
{
Alert("Error Sending Order!");
}
}
}
}
else
{
IsFirstTick = true;
}
}
Code for 5-digit brokers
//+------------------------------------------------------------------+
//| SimpleSystem.mq4 |
//| Copyright 2014, ForexBoat |
//| http://www.forexboat.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2014, ForexBoat"
#property link "http://www.forexboat.com"
#property version "1.00"
#property strict
extern int StartHour = 9;
extern int TakeProfit = 40;
extern int StopLoss = 40;
extern double Lots = 1;
void OnTick()
{
static bool IsFirstTick = true;
static int ticket = 0;
if(Hour() == StartHour)
{
if(IsFirstTick == true)
{
IsFirstTick = false;
if(Open[0] < Open[StartHour])
{
//here we are assuming that the TakeProfit and StopLoss are entered in Pips
ticket = OrderSend(Symbol(), OP_BUY, Lots, Ask, 10*10, Bid-StopLoss*Point*10, Bid+TakeProfit*Point*10, "Set by SimpleSystem");
if(ticket < 0)
{
Alert("Error Sending Order!");
}
}
else
{
//here we are assuming that the TakeProfit and StopLoss are entered in Pips
ticket = OrderSend(Symbol(), OP_SELL, Lots, Bid, 10*10, Ask+StopLoss*Point*10, Ask-TakeProfit*Point*10, "Set by SimpleSystem");
if(ticket < 0)
{
Alert("Error Sending Order!");
}
}
}
}
else
{
IsFirstTick = true;
}
}
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