通达信玩玩KDJ（源码副图贴图）

SHORT:=12;LONG:=26;M:=9;       
 DIFF :=EMA(CLOSE,SHORT) - EMA(CLOSE,LONG);       
 DEA  :=EMA(DIFF,M);       
 MACD :=2*(DIFF-DEA);       
 ZERO : 0;       
 ∑MACD:SUM(MACD,0),LINETHICK2,COLORGREEN;
 IF(∑MACD>REF(∑MACD,1),∑MACD,DRAWNULL),LINETHICK2,COLORRED;