VAR precent:=(SETTLE-O)/REF(SETTLE);
VAR SIGN:=PRECENT/ABS(PRECENT);
VAR RANGEUP:=HIGH/OPEN-1;
VAR RANGEDOWN:=ABS(LOW/OPEN-1);
VAR VOLA:=T_MAXOPEN(,0.20,1);
VOID MAIN()
{ IF(ABS(REF(precent)<2%&&SIGN=1)
   { BK(VOLA,OPEN);
      IF(RANGEDOWN>=N1/1000)
      SPK(OPEN*(1+N1/1000)-10);
     IF(ISLASTBK=1)
       SP(C,VOLA);
     BP(C,VOLA);
    }
 IF(ABS(REF(precent)>2%&&SIGN=-1)
  {  SK(VOLA,OPEN);
     IF(RANGEUP>=N1/1000)
     BPK(OPEN*(1+N1/1000）-10);
     IF(ISLASTBK=-1)
     BP(C,VOLA);
     SP(C,VOLA);
  }
}

為什么提示第9行圓括號不配對？