投资者咨询：boll的问题 (文华财经WH6赢顺V6.7)
来源:文华财经 日期:2018-11-28 12:37
boll的上轨在20天内有2天值相同，取这两个值画直线，
技术人员回复
日期:2018-11-28 13:16
列举法编写
MID:MA(CLOSE,26);//求N个周期的收盘价均线，称为布林通道中轨
TMP2:=STD(CLOSE,26);//求M个周期内的收盘价的标准差
A:MID+2*TMP2;//布林通道上轨
BOTTOM:MID-2*TMP2;//布林通道下轨
DRAWSL(A=REF(A,1),A,0,-1,0,COLORRED);
DRAWSL(A=REF(A,2),A,0,-2,0,COLORRED);
DRAWSL(A=REF(A,3),A,0,-3,0,COLORRED);
DRAWSL(A=REF(A,4),A,0,-4,0,COLORRED);
DRAWSL(A=REF(A,5),A,0,-5,0,COLORRED);
DRAWSL(A=REF(A,6),A,0,-6,0,COLORRED);
DRAWSL(A=REF(A,7),A,0,-7,0,COLORRED);
DRAWSL(A=REF(A,8),A,0,-8,0,COLORRED);
DRAWSL(A=REF(A,9),A,0,-9,0,COLORRED);
DRAWSL(A=REF(A,10),A,0,-10,0,COLORRED);
DRAWSL(A=REF(A,11),A,0,-11,0,COLORRED);
DRAWSL(A=REF(A,12),A,0,-12,0,COLORRED);
DRAWSL(A=REF(A,13),A,0,-13,0,COLORRED);
DRAWSL(A=REF(A,14),A,0,-14,0,COLORRED);
DRAWSL(A=REF(A,15),A,0,-15,0,COLORRED);
DRAWSL(A=REF(A,16),A,0,-16,0,COLORRED);
DRAWSL(A=REF(A,17),A,0,-17,0,COLORRED);
DRAWSL(A=REF(A,18),A,0,-18,0,COLORRED);
DRAWSL(A=REF(A,19),A,0,-19,0,COLORRED);
