# Обсалютно хаотичное закрытие позиции

```
#property copyright   "2005-2014, MetaQuotes Software Corp."
#property description "Moving Average sample expert advisor"

#define MAGICMA  20131111
//--- Inputs
input double Lots          =0.1;
input double MaximumRisk   =0.02;
input double DecreaseFactor=3;
input int    MovingPeriodH =60;
//input int    MovingPeriodM =0;
input int    MovingPeriodT7=7;

//+------------------------------------------------------------------+
//| Calculate open positions                                         |
//+------------------------------------------------------------------+
int CalculateCurrentOrders(string symbol)
{
//---
for(int i=0;i<OrdersTotal();i++)
{
if(OrderSymbol()==Symbol() && OrderMagicNumber()==MAGICMA)
{
if(OrderType()==OP_SELL) sells++;
}
}
//--- return orders volume
else       return(-sells);
}
//+------------------------------------------------------------------+
//| Calculate optimal lot size                                       |
//+------------------------------------------------------------------+
double LotsOptimized()
{
double lot=Lots;
int    orders=HistoryTotal();     // history orders total
int    losses=0;                  // number of losses orders without a break
//--- select lot size
lot=NormalizeDouble(AccountFreeMargin()*MaximumRisk/1000.0,1);
//--- calcuulate number of losses orders without a break
if(DecreaseFactor>0)
{
for(int i=orders-1;i>=0;i--)
{
if(OrderSelect(i,SELECT_BY_POS,MODE_HISTORY)==false)
{
Print("Error in history!");
break;
}
if(OrderSymbol()!=Symbol() || OrderType()>OP_SELL)
continue;
//---
if(OrderProfit()>0) break;
if(OrderProfit()<0) losses++;
}
if(losses>1)
lot=NormalizeDouble(lot-lot*losses/DecreaseFactor,1);
}
//--- return lot size
if(lot<0.1) lot=0.1;
return(lot);
}
//+------------------------------------------------------------------+
//| Check for open order conditions                                  |
//+------------------------------------------------------------------+
void CheckForOpen()
{

int    res;
//--- go trading only for first tiks of new bar
if(Volume[0]>1) return;
//--- get Moving Average
double maH=iMA(NULL,0,MovingPeriodH,0,MODE_SMA,PRICE_CLOSE,0);
//double ma5=iMA(NULL,PERIOD_M5,MovingPeriodM,0,MODE_SMA,PRICE_CLOSE,0);
double maT7=iMA(NULL,0,MovingPeriodT7,0,MODE_EMA,PRICE_TYPICAL,0);
//--- sell conditions
int time = TimeCurrent()%86400;
if(time>25200 && time < 72000)
{
//if(Close[1] < ma5)
// {
if(maT7<maH)
{
if((High[1]>maH && Close[1]<maH) || (Open[1]>maH && Close[1]<maH))
{
res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,0,0,"",MAGICMA,0,Red);
return;
}
}
//}
//if(Close[1] > ma5)
//{
if(maT7>maH)
{
if((Low[1]<maH && Close[1]>maH) || (Open[1]<maH && Close[1]>maH))
{
return;
}
}
//}
}
//---
}
//+------------------------------------------------------------------+
//| Check for close order conditions                                 |
//+------------------------------------------------------------------+
void CheckForClose()
{

//--- go trading only for first tiks of new bar
if(Volume[0]>1) return;
//--- get Moving Average
//double ma5=iMA(NULL,PERIOD_M5,MovingPeriodM,0,MODE_SMA,PRICE_CLOSE,0);
double maH=iMA(NULL,0,MovingPeriodH,0,MODE_SMA,PRICE_CLOSE,0);
//---
for(int i=0;i<OrdersTotal();i++)
{
if(OrderMagicNumber()!=MAGICMA || OrderSymbol()!=Symbol()) continue;
//--- check order type
{
if(Open[1]>maH && Close[1]<maH)
{
if(!OrderClose(OrderTicket(),OrderLots(),Bid,3,White))
Print("OrderClose error ",GetLastError());
}
break;
}
if(OrderType()==OP_SELL)
{
if(Open[1]<maH && Close[1]>maH)
{
Print("OrderClose error ",GetLastError());
}
break;
}
}
//---
}
//+------------------------------------------------------------------+
//| OnTick function                                                  |
//+------------------------------------------------------------------+
void OnTick()
{
//--- check for history and trading