mt4 的反k线指标源码(mt4北京房山金店遭抢的k线倒计时指标)

//+------------------------------------------------------------------+

//| Moving Average.mq4 |

//| mt4 |

//+------------------------------------------------------------------+

#define MAGICMA 20050610 //界说本EA操作的订单的仅有标识号码

extern double Lots = 0.1;//每单的买卖量

extern double MaximumRisk = 0.02;//作者界说的最大危险参数

extern double DecreaseFactor = 3;//作者界说的参数，效果要看程序中的用法

extern double MovingPeriod = 10;//EA中运用的均线的周期

extern double MovingShift =3;//EA中运用的均线向左的K线偏移量

//+------------------------------------------------------------------+

//| Calculate open positions |

//+------------------------------------------------------------------+

int CalculateCurrentOrders(string Symbol)//函数效果，核算当时持仓订单的数量

{

int buys=0,sells=0;//界说两个暂时变量，预备用于后边的多空订单的个数核算

//----

for(int i=0;i<OrdersTotal();i++)//循环检测当时的订单行列

{

if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;//挑出持仓单的每一个订单方位

if(OrderSymbol()==Symbol() && OrderMagicNumber()==MAGICMA)//依据订单方位，比较是否是当时K线产品以及订单仅有标识号是否和本程序设置的共同（用于防止EA误操作其他程序控制的持仓单）

{

if(OrderType()==OP_BUY) buys++;//找到契合条件的持仓单后，假如是多单，则暂时变量buys添加1

if(OrderType()==OP_SELL) sells++;//找到契合条件的持仓单后，假如是空单，则暂时变量sells添加1

}

}

//---- return orders volume

if(buys>0) return(buys);

else return(-sells);//本函数回来查询核算结束时的持仓单的个数。

}

//+------------------------------------------------------------------+

//| Calculate optiMAl lot size |

//+------------------------------------------------------------------+

double LotsOptimized()//函数意图，依据要求 核算出订单买卖量

{

double lot=Lots;

int orders=HistoryTotal(); // history orders total 前史进场订单的个数

int losses=0; // number of losses orders without a break

//---- select lot size

lot=NormalizeDouble(AccountFreeMargin()MaximumRisk/1000.0,1);//经过危险系数的核算取得当时进场单应该选用的买卖量

//---- 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; }//循环查询进场单行列

if(OrderSymbol()!=Symbol() || OrderType()>OP_SELL) continue;//

//----

if(OrderProfit()>0) break;

if(OrderProfit()<0) losses++;//循环核算一切进场亏本单的亏本总和

}

if(losses>1) lot=NormalizeDouble(lot-lotlosses/DecreaseFactor,1);//假如亏本额大于1，则下一进场单的买卖量修正为新的核算结果。

}

//---- return lot size

if(lot<0.1) lot=0.1;//假如核算出的买卖量小于帐户最小手数0.1，则下一进场单的买卖手数运用0.1作为买卖量

return(lot);

}

//+------------------------------------------------------------------+

//| Check for open order conditions |

//+------------------------------------------------------------------+

void CheckForOpen()//查看进场条件的状况并作处理

{

double ma;

int res;

//---- go trading only for first tiks of new bar

if(Volume[0]>1) return;//假如当时K线持仓量大于1，阐明不是K线的开盘时刻点，则直接回来 否则是K线第一个价格，则持续下面的进程

//---- get Moving Average

ma=iMA(NULL,0,MovingPeriod,MovingShift,MODE_SMA,PRICE_Close,0);//取得当时的均线数值

//---- sell conditions

if(Open[1]>ma && Close[1]<ma) //如当时K开盘价大于均线，而前一K收盘价小于均线，则宣布进场多单

{

res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,0,0,"",MAGICMA,0,Red);

return;

}

//---- buy conditions

if(Open[1]<ma && Close[1]>ma) //如当时K开盘价小于均线，而前一K收盘价大于均线，则宣布进场空单

{

res=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,3,0,0,"",MAGICMA,0,Blue);

return;

}

//----

}

//+------------------------------------------------------------------+

//| Check for close order conditions |

//+------------------------------------------------------------------+

void CheckForClose()//查看进场条件的状况并作处理

{

double ma;

//---- go trading only for first tiks of new bar

if(Volume[0]>1) return;

//---- 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);//假如持仓是多单，则当当时K开盘价小于均线，而前一K收盘价大于均线，则宣布平仓指令

break;

}

if(OrderType()==OP_SELL)

{

if(Open[1]<ma && Close[1]>ma) OrderClose(OrderTicket(),OrderLots(),Ask,3,White););//假如持仓是空单，则当当时K开盘价大于均线，而前一K收盘价小于均线，则宣布平仓指令

break;

}

}

//----

}

//+------------------------------------------------------------------+

//| Start function |

//+------------------------------------------------------------------+

void start()//主循环进程

{

//---- check for history and trading

if(Bars<100 || IsTradeAllowed()==false) return;

//---- calculate open orders by current symbol

if(CalculateCurrentOrders(Symbol())==0) CheckForOpen();

else CheckForClose();

//----

}

//+------------------------------------------------------------------+