СХОЖДЕНИЕ/РАСХОЖДЕНИЕ ПОЛОС БОЛИНДЖЕРА

Type : Function, Name : BWI

Inputs:
Len (Numeric),
Stdev1(Numeric),
Stdev2(Numeric);

Vars:
Upper(0),
Lower(0),
Avg(0);

Upper=BollingerBand(Close,Len,Stdev1);
Lower=BollingerBand(Close,Len,Stdev2);
Avg=Xaverage(Close,Len);

Bwi=(Upper-Lower)/Avg;

Type : Indicator, Name : BWI

Inputs:
Len(21),
Stdev1(2),
Stdev2(-2);

Plot1(BWI(Len,Stdev1,Stdev2),»BWI»);