四线MACD

DIFF:EMA(CLOSE,12)-EMA(CLOSE,26),COLORWHITE;
DEA:EMA(DIFF,9);
MACD:2*(DIFF-DEA),COLORSTICK;
DRAWICON( CROSS(DIFF,DEA),DEA , 1);
DRAWICON( CROSS(DEA,DIFF),DIFF , 2);
IF(DEA>=REF(DEA,1),DEA,DRAWNULL),COLORRED;
IF(DEA<REF(DEA,1),DEA,DRAWNULL),COLORGREEN;
0,COLORRED;