成本分布

AA:EMA(COST(85),10),COLORFFFFFF,LINETHICK2;
PARTLINE(AA REF(AA,1),AA),COLORMAGENTA,LINETHICK2;
PARTLINE(AA REF(AA,1),AA),COLORGREEN,LINETHICK2;
PARTLINE(AA=REF(AA,1),AA),COLORBLUE,LINETHICK2;