源码 /*[[ Name := MACD Author := Copyright ?2003, MetaQuotes Software Corp.; Separate Window := Yes First Color := Blue First Draw Type := Line Use Second Data := Yes Second Color := Red Second Draw Type := Line ]]*/ Inputs : FastMAPeriod(12), SlowMAPeriod(26), SignalMAPeriod(9); Variables : shift(0), cnt(0), loopbegin(0), first(True), prevbars(0); Variables : alpha(0), alpha_1(0), FastMA(0), SlowMA(0), macd(0); SetLoopCount(0); // initial checkings If FastMAPeriod < 1 Or SlowMAPeriod < 1 Or SignalMAPeriod < 1 Then Exit; If FastMAPeriod >= SlowMAPeriod Then Exit; // check for additional bars loading or total reloading If Bars < prevbars Or Bars-prevbars>1 Then first = True; prevbars = Bars; // loopbegin prevent couning of counted bars exclude current If first Then Begin loopbegin = Bars-SlowMAPeriod-1; If loopbegin < 0 Then Exit; // not enough bars for counting alpha = 2.0 / (SignalMAPeriod + 1.0); alpha_1 = 1.0 - alpha; first = False; // this block is to be evaluated once only End; // convergence-divergence loopbegin++; // current bar is to be recounted too For shift = loopbegin Downto 0 Begin FastMA = iMAEx(FastMAPeriod,MODE_EMA,0,PRICE_CLOSE,shift); SlowMA = iMAEx(SlowMAPeriod,MODE_EMA,0,PRICE_CLOSE,shift); macd = FastMA-SlowMA; SetIndexValue(shift,macd); SetIndexValue2(shift,alpha*macd + alpha_1*GetIndexValue2(shift+1)); // ema of signal line loopbegin--; // prevent to previous bars recounting End; [ 本帖最后由 老正 于 2005-7-13 16:31 编辑 ]macd.gif

好，学习一下， MT的编程好烦。

mt4.0搞2根线好复杂,依照说明下载那个软件晕呼呼地搞了半天,结果...唉:L:L看来没有一步步图示是搞不起来了:(:(

//+------------------------------------------------------------------+ //| mc.mq4 | //| Copyright ?2005, MetaQuotes Software Corp. | //| http://www.metaquotes.net | //+------------------------------------------------------------------+ #property copyright "Copyright ?2005, MetaQuotes Software Corp." #property link "http://www.metaquotes.net" #property indicator_separate_window #property indicator_buffers 2 #property indicator_color1 Blue #property indicator_color2 Red //---- indicator parameters extern int FastEMA=12; extern int SlowEMA=26; extern int SignalSMA=9; //---- indicator buffers double ind_buffer1; double ind_buffer2; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- drawing settings SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,1); SetIndexDrawBegin(1,SignalSMA); IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1); //---- indicator buffers mapping if(!SetIndexBuffer(0,ind_buffer1) && !SetIndexBuffer(1,ind_buffer2)) Print("cannot set indicator buffers!"); //---- name for DataWindow and indicator subwindow label IndicatorShortName("MACD("+FastEMA+","+SlowEMA+","+SignalSMA+")"); SetIndexLabel(0,"MACD"); SetIndexLabel(1,"Signal"); //---- initialization done return(0); } //+------------------------------------------------------------------+ //| Moving Averages Convergence/Divergence | //+------------------------------------------------------------------+ int start() { int limit; int counted_bars=IndicatorCounted(); //---- check for possible errors if(counted_bars<0) return(-1); //---- last counted bar will be recounted if(counted_bars>0) counted_bars--; limit=Bars-counted_bars; //---- macd counted in the 1-st buffer for(int i=0; i