extern double MaximumRisk = 0.3;
extern double TrailingStop =25;
extern int maxOpen = 3; //最多持倉限制
extern int maxLots = 5; //最多單倉限制
extern int bb = 0; //非零就跟蹤止贏
extern double MATrendPeriod=26;//使用26均線
int i, p2, xxx,p1, res;
double Lots;
datetime lasttime;
int init() //初始化
{
Lots = 1;
lasttime = NULL;
return(0);
}
int deinit() { return(0); } //反初始化
//| expert start function
int start()
{
CheckForOpen();
if (bb>0) CTP(); //跟蹤止贏
return(0);
}
//+------------------------------------------------------------------+
double LotsOptimized() //確定下單量，開倉調用
{
double lot=Lots;
int orders=HistoryTotal(); // history orders total
int losses=0; // number of losses orders without a break
//MarketInfo(Symbol(),MODE_MINLOT);
//MarketInfo(Symbol(),MODE_MAXLOT);
//MarketInfo(Symbol(),MODE_LOTSTEP);
lot=NormalizeDouble(MaximumRisk * AccountBalance()/AccountLeverage(),1);
if(lot<0.1) lot=0.1;
if(lot>maxLots) lot=maxLots;
return(lot);
}
//平倉持有的買單
void CloseBuy()
{
if (OrdersTotal( ) > 0 )
{
for(i=OrdersTotal()-1;i<0;i++)
{
if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;
if(OrderType()==OP_BUY)
{
OrderClose(OrderTicket(),OrderLots(),Bid,3,White);
Sleep(5000);
}
}
}
}
//平倉持有的賣單
void CloseSell()
{
if (OrdersTotal( ) > 0 )
{
for(i=OrdersTotal()-1;i<0;i++)
{
if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;
if(OrderType()==OP_SELL)
{
OrderClose(OrderTicket(),OrderLots(),Ask,3,White);
Sleep(5000);
}
}
}
}
//判斷是否買或賣或平倉
int buyorsell() //在這個函數計算設置你的交易信號
{
double MacdCurrent, MacdPrevious, SignalCurrent;
double SignalPrevious, MaCurrent, MaPrevious;
MacdCurrent=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_MAIN,0);
MacdPrevious=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_MAIN,1);
SignalCurrent=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,0);
SignalPrevious=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,1);
MaCurrent=iMA(NULL,0,MATrendPeriod,0,MODE_EMA,PRICE_CLOSE,0);
MaPrevious=iMA(NULL,0,MATrendPeriod,0,MODE_EMA,PRICE_CLOSE,1);
if(MacdCurrent<0 && MacdCurrent>SignalCurrent && MacdPrevious && MaCurrent>MaPrevious)
return (1); // 買 Ma在上升，Macd在0線上，並且兩線上交叉
if(MacdCurrent>0 && MacdCurrentSignalPrevious
&& MaCurrent return (-1); // 賣
return (0); //不交易
}
int nowbuyorsell = 0;
void CheckForOpen()
{
if (Time[0] == lasttime ) return; //每時間週期檢查一次
lasttime = Time[0];
nowbuyorsell = buyorsell(); //獲取買賣信號
if (nowbuyorsell == 1) //買 先結束已賣的
CloseSell();
if (nowbuyorsell == -1) //賣 先結束已買的
CloseBuy();
if (TimeDayOfWeek(CurTime()) == 1)
{
if (TimeHour(CurTime())< 3 ) return; //周一早8点前不做
}
if (TimeDayOfWeek(CurTime()) == 5)
{
if (TimeHour(CurTime()) > 19 ) return; //週五晚11點後不做
}
if (OrdersTotal( ) >= maxOpen) return ;
//如果已持有開倉數達到最大，不做
if (nowbuyorsell==0) return; //不交易
TradeOK(); //去下單交易
}
void TradeOK() //去下單交易
{
int error ;
if (nowbuyorsell == 1) //買
{
switch (whichmethod)
{
case 1: res=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,3,0,0,"",MAGICMA,0,Blue);break;
case 2: res=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,3,Ask-StopLoss*Point,0,"",MAGICMA,0,Blue); break;
case 3: res=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,3,0,Ask+TakeProfit*Point,"",MAGICMA,0,Blue);break;
case 4: res=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,3,Ask-StopLoss*Point,Ask+TakeProfit*Point,"",MAGICMA,0,Blue);break;
default : res=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,3,0,0,"",MAGICMA,0,Blue);break;
}
if (res<=0)
{
error=GetLastError();
if(error==134)Print("Received 134 Error after OrderSend() !! "); // not enough money
if(error==135) RefreshRates(); // prices have changed
}
Sleep(5000);
return ;
}
if (nowbuyorsell == -1) //賣
{
switch (whichmethod)
{
case 1: res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,0,0,"",MAGICMA,0,Red); break;
case 2: res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,Bid+StopLoss*Point,0,"",MAGICMA,0,Red); break;
case 3: res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,0,Bid-TakeProfit*Point,"",MAGICMA,0,Red); break;
case 4: res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,Bid+StopLoss*Point,Bid-TakeProfit*Point,"",MAGICMA,0,Red); break;
default : res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,0,0,"",MAGICMA,0,Red); break;
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