突破站稳30日线买入

M5:MA(C,5);

M10:MA(C,10);

M20:MA(C,20);

M30:MA(C,30);

A1:=CROSS(C,M30);

A2:=CROSS(M20,C);

DRAWTEXT(A1,LOW*0.96,'买入'), COLORRED;

DRAWTEXT(A2,HIGH*1.04,'卖出'), COLORGREEN;