A:EMA(C-REF(C,1),14);0;买:STICKLINE(CROSS(A,0),-0.1,0.1,2,0),COLORRED,LINETHICK1;STICKLINE(CROSS(A,0),-0.1,0,2,0),COLORFF9900,LINETHICK1;DRAWTEXT(CROSS(A,0),0,'买'),COLORFFAA66;