A013:=HHV(HIGH,34);A014:=(2*CLOSE+HIGH+LOW)/4;A015:=LLV(LOW,34);A016:=EMA(((A014-A015)/(A013-A015))*100,13);A017:=EMA(0.667*REF(A016,1)+0.333*A016,2);买:A016-A017>1 AND A016<30 AND A017<30;