A:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
B:=SMA(A,3,1),;
BB:=IF(BARSLAST(CROSS(B,A))>=3 AND CROSS(A,B) AND B<30,20,0);
STICKLINE(BB,0,-20,3,0),COLORYELLOW;
低买:IF(BB,-20,-40),COLORYELLOW;
DRAWICON(BB>0,-35,7);
AA:=IF(BARSLAST(CROSS(A,B))>=4 AND CROSS(B,A) AND A>50,20,0);
STICKLINE(AA,100,120,3,0),COLOR00FF00;
高卖:IF(AA,120,140),COLOR00FF00;
DRAWICON(AA>0,150,8);