BOLL:=MA(CLOSE,20);
UB:=BOLL+2*STD(CLOSE,20);
LB:=BOLL-2*STD(CLOSE,20);
XG1:=MAX(O,CLOSE)
XG2:=REF(XG1,1)=1;
XG3:=MIN(O,CLOSE)
无敌抄底:XG3 AND XG2;
BOLL:=MA(CLOSE,20);
UB:=BOLL+2*STD(CLOSE,20);
LB:=BOLL-2*STD(CLOSE,20);
XG1:=MAX(O,CLOSE)
XG2:=REF(XG1,1)=1;
XG3:=MIN(O,CLOSE)
无敌抄底:XG3 AND XG2;