A1:=EMA(CLOSE,7)-EMA(CLOSE,21); B1:=EMA((0.668*REF(A1,1)+0.333*A1),1); 短多:IF(A1>=B1,A1,B1),LINETHICK2,COLORLIMAGENTA; 短空:IF(B1-A1,B1,A1),LINETHICK1,COLORGREEN;
