主力抄底:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;
指标选股公式:=3*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)-2*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1),3,1);
W1:=SMA(主力抄底,3,1);
W2:=SMA(W1,3,1);
XG:(CROSS(指标选股公式,W1) AND CROSS(W1,W2)) OR (CROSS(W1,W2) AND W1<=20 AND W2<=20);