{KKD}
	P1:=5;
	P2:=4;
	VARA:=LLV(LOW,P1);
	VARB:=HHV(HIGH,P1);
	K: EMA((CLOSE-VARA)/(VARB-VARA)*100,P2),COLORRED;
	D: EMA(0.667*REF(K,1)+0.333*K,2),COLORWHITE;
	{选股指标}
	P1:=5;
	P2:=4;
	VARA:=LLV(LOW,P1);
	VARB:=HHV(HIGH,P1);
	K:=EMA((CLOSE-VARA)/(VARB-VARA)*100,P2);
	D:=EMA(0.667*REF(K,1)+0.333*K,2);
	XG:CROSS(K,D)AND D<40,COLORRED;
	