同花顺趋势预判指标公式

VAR1:EMA(CLOSE,28),colorwhite;
var2:IF(VAR1>REF(VAR1,1),VAR1,DRAWNULL),colorred,LINETHICK2;
var3:IF(VAR1<=REF(VAR1,1),VAR1,DRAWNULL),colorgreen,LINETHICK2;