PSY值:=IF(BARSCOUNT(C)>12,COUNT(C>REF(C,1),12)/12*100,DRAWNULL); PSY:PSY值,COLORYELLOW,LINETHICK2; PSY均线:IF(BARSCOUNT(C)>17,MA(PSY值,6),DRAWNULL),COLORWHITE; 上沿:75,COLORGRAY; 中轴:50,COLORGRAY; 下沿:25,COLORGRAY;