XA_1:=IF(DATE<1900930,1,1);
XA_2:=REF(CLOSE,1);
XA_3:=IF((CLOSE-XA_2)*100/XA_2>=10-0.01*100/XA_2,1,0);
XA_4:=REF(XA_3,1);
XA_5:=CLOSE>=REF(CLOSE,1)*1.07;
XA_6:=VOL/REF(VOL,1)>0.1;
XA_7:=REF(CLOSE,1);
XA_8:=OPEN>XA_7*0.961;
XA_9:=HIGH/OPEN>1.07;
XA_10:=OPEN/REF(CLOSE,1)<1.016;
低开:XA_6 AND XA_8 AND XA_9 AND XA_4 AND XA_10*XA_1;
