B:=-100*(HHV(HIGH,14)-CLOSE)/(HHV(HIGH,14)-LLV(LOW,14))+100;
D:=EMA(-100*(HHV(HIGH,34)-CLOSE)/(HHV(HIGH,34)-LLV(LOW,34)),4)+100;
大底:(A<15 AND REF(A,1)<15 AND D<18 AND B>REF(B,1) AND CROSS(B,A) AND B>D
AND (REF(B,1)<5 OR REF(B,2)<5 ) AND (D>=A OR REF( B,1)<1 ));
STICKLINE( 大底,0,10,1,0 ),COLORRED;
DRAWTEXT(大底,6,'大底'),COLORFF00FF;