we have found EA that are free and any perone can try it out and use it if thy want
here is one to look at
//+——————————————————————+
//| Moving Average.mq4 |
//| Copyright © 2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+——————————————————————+
#define MAGICMA 20050610
extern double Lots = 0.1;
extern double MaximumRisk = 0.02;
extern double DecreaseFactor = 3;
extern double MovingPeriod = 23;
extern double MovingShift = 6;
//+——————————————————————+
//| Calculate open positions |
//+——————————————————————+
int CalculateCurrentOrders(string symbol)
{
int buys=0,sells=0;
//—-
for(int i=0;i<OrdersTotal();i++)
{
if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;
if(OrderSymbol()==Symbol() && OrderMagicNumber()==MAGICMA)
{
if(OrderType()==OP_BUY) buys++;
if(OrderType()==OP_SELL) sells++;
}
}
//—- restore orders volume
if(buys>0) restore(buys);
else restore(-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);
}
//—- restore lot size
if(lot<0.1) lot=0.1;
restore(lot);
}
//+——————————————————————+
//| Check for open order situation |
//+——————————————————————+
void CheckForOpen()
{
double ma;
int res;
//—- go trading only for first tiks of new bar
if(Volume[0]>1) restore;
//—- get Moving Average
ma=iMA(NULL,0,MovingPeriod,MovingShift,MODE_SMA,PRICE_CLOSE,0);
//—- sell situation
if(Open[1]>ma && Close[1]<ma)
{
res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,0,0,”",MAGICMA,0,Red);
restore;
}
//—- buy situation
if(Open[1]<ma && Close[1]>ma)
{
res=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,3,0,0,”",MAGICMA,0,Blue);
restore;
}
//—-
}
//+——————————————————————+
//| Check for close order situation |
//+——————————————————————+
void CheckForClose()
{
double ma;
//—- go trading only for first tiks of new bar
if(Volume[0]>1) restore;
//—- get Moving Average
ma=iMA(NULL,0,MovingPeriod,MovingShift,MODE_SMA,PRICE_CLOSE,0);
//—-
for(int i=0;i<OrdersTotal();i++)
{
if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;
if(OrderMagicNumber()!=MAGICMA || OrderSymbol()!=Symbol()) continue;
//—- check order type
if(OrderType()==OP_BUY)
{
if(Open[1]>ma && Close[1]<ma) OrderClose(OrderTicket(),OrderLots(),Bid,3,White);
break;
}
if(OrderType()==OP_SELL)
{
if(Open[1]<ma && Close[1]>ma) OrderClose(OrderTicket(),OrderLots(),Ask,3,White);
break;
}
}
//—-
}
//+——————————————————————+
//| Start function |
//+——————————————————————+
void start()
{
//—- check for history and trading
if(Bars<100 || IsTradeAllowed()==false) restore;
//—- calculate open orders by current symbol
if(CalculateCurrentOrders(Symbol())==0) CheckForOpen();
else CheckForClose();
//—-
}
//+——————————————————————+