就是boll上轨的值依次变大,或者依次变小
m:=26;
N:=2;
MID : MA(CLOSE,M);
UPPER: MID + N*STD(CLOSE,M);
LOWER: MID - N*STD(CLOSE,M);
COND:=UPPER>REF(UPPER,1) AND REF(UPPER,1)>REF(UPPER,2);
cond就是判断条件
m:=26;
N:=2;
MID : MA(CLOSE,M);
UPPER: MID + N*STD(CLOSE,M);
LOWER: MID - N*STD(CLOSE,M);
COND:=UPPER>REF(UPPER,1) AND REF(UPPER,1)>REF(UPPER,2);
cond就是判断条件
这样表达是不是一样的? ALL(UPPER>REF(UPPER,1),3);