AB:=EMA(((2*C+H+L)/4-LLV(LOW,30))/(HHV(HIGH,30)-LLV(LOW,30))*100,8);
BA:=EMA(AB,5);
A1{高}:=REF DATE (REF(HHV(H,96),5),DATE);
B1{低}:=REFDATE(REF(LLV(L,96),5),DATE);
DY{中}:=((A1)+(B1))/2;
机顶￥:IF(AB gt;0