买卖观望主图指标 (源码)

MA13:MA(C,13),COLORGREEN,LINETHICK2;
IF(MA13 REF(MA13,1),MA13,DRAWNULL),COLORRED,LINETHICK2;
IF(MA13 REF(MA13,1),MA13,DRAWNULL),COLORYELLOW,LINETHICK2;
DRAWICON(C MA3 AND C MA13 AND MA13 REF(MA13,1)
AND REF(C,1) MA13,L*0.99,9);