EA，哪位懂的下载看看说说能用不？什么原理？好盈利不？ RUBBERBANDS_2套利.mq4

我不是想挣通宝，是想请教大家，可是一上次附件就这样。我把内容黏贴上来吧，不用的可以不用下载看、

//+------------------------------------------------------------------+ //| RUBBERBANDS_2.mq4 | //| Version 1.2 | //| Copyright ?2009, SummerSoft Labs | //| http://www.summersoftlabs.com/ | //+------------------------------------------------------------------+ #property copyright "Copyright ?2009, SummerSoft Labs" #property link "http://www.summersoftlabs.com/" ////////////////////////////////////// extern double Lots = 0.02; extern int maxcount = 10; extern int pipstep = 50; ////////////////////////////////////// extern bool quiescenow = false; extern bool donow = false; extern bool stopnow = false; extern bool closenow = false; ////////////////////////////////////// extern bool use_sessionTP = true; extern double sessionTP = 1000; // per lot extern bool use_sessionSL = false; extern double sessionSL = 300; // per lot ////////////////////////////////////// extern bool useinvalues = false; // set to true on restart extern double inmax = 0; // set former max on restart extern double inmin = 0; // set former min on restart ////////////////////////////////////// //global var's double GLBmax; double GLBmin; bool GLBcloseall; bool GLBbuynow; bool GLBsellnow; //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ int tradeno() { int cnt, total, xcnt; total=OrdersTotal(); if (total==0) { return(0); } xcnt=0; for(cnt=0;cnt0) { if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES)) Print("BUY order opened : ",OrderOpenPrice()); } else { Print("Error opening BUY order : ",GetLastError()); return(-1); } GLBbuynow=false; return(0); } // SELL NOW? if (GLBsellnow==true) { ticket=OrderSend(Symbol(),OP_SELL,Lots,Bid,3,0,0,"RUBBERBANDS_2",20000,0,Red); if(ticket>0) { if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES)) Print("SELL order opened : ",OrderOpenPrice()); } else { Print("Error opening SELL order : ",GetLastError()); return(-1); } GLBsellnow=false; return(0); } // new order from 0 orders if (total==0 && Seconds()==0) { GLBbuynow=true; GLBsellnow=true; return(0); } /////////////////////////////////////////////////////////////////////////////////////// // counter if you will if (total>0) { // what's the profit made double myprofit=0; int xtotal=OrdersTotal(); for(cnt=0;cnt=sessionTP*Lots) { GLBcloseall=true; } // close all trades for loss cut? if (use_sessionSL==true && myprofit<=(-1)*sessionSL*Lots) { GLBcloseall=true; } if (total>=maxcount) { return(0); } // do we buy or sell now? if (Ask>=GLBmax+pipstep*Point) { GLBmax=Ask; GLBsellnow=true; return(0); } if (Ask<=GLBmin-pipstep*Point) { GLBmin=Ask; GLBbuynow =true; return(0); } } // if total return(0); } //-start /////////////////////////////////////////////////////////////////////////////////////// int deinit() { return(0); } /////////////////////////////////////////////////////////////////////////////////////// // the end.