//參數：N 0 999  34

MID:=MA(CLOSE,N);
TMP2:=STD(CLOSE,N);
TOP:=MID+2*TMP2;
BOTTOM:=MID-2*TMP2;
MID>REF(MID,1)&&LOW<MID,BK;
MID>REF(MID,1)&&LOW<MID,BP;
MID<REF(MID,1)&&HIGH>MID,SK;
MID<REF(MID,1)&&HIGH>MID,SP;
MID>REF(MID,1),BP;
MID<REF(MID,1),SP;