$%B II Tradestation Indicators Forex Trading Systems - XEATrade - Metatrader, Metastock, Tradestation, Amibroker

Type : Indicator, Name: $%B II

Input:
Price(C),
Length(18),
SDev(2); Vars:
Upper(0),
Lower(0),
Where(0); 

Upper = 100 * (Price -BollingerBand(Price, Length, -SDev));
Lower =BollingerBand(Price, Length, SDev) -BollingerBand(Price, Length,-SDev);
If Lower <> 0 Then
Where = ((Upper / Lower) -50) * 2;
Plot1(Where, "Where");
Plot2(100,"Upper");
Plot3(-100,"Lower");
plot4(value0,"BB1");



Type : Indicator, Name: $%B II

Input:
Price(C),
Length(18),
SDev(2); Vars:
Upper(0),
Lower(0),
Where(0); 

Upper = 100 * (Price -BollingerBand(Price, Length, -SDev));
Lower =BollingerBand(Price, Length, SDev) -BollingerBand(Price, Length,-SDev);
If Lower <> 0 Then
Where = ((Upper / Lower) -50) * 2;
Plot1(Where, "Where");
Plot2(100,"Upper");
Plot3(-100,"Lower");
plot4(value0,"BB1");




Type : Indicator, Name: BB II

input:
price(c),
length(14),
coeff(2); vars:
SumSqr(0),
Avg(0),
Counter(0),
BB2(0),
xstddev(0); 

if Length <> 0
then begin
Avg = Average(Price,Length);
SumSqr = 0;
for counter = 0 to Length - 1
begin
SumSqr = SumSqr + (Price[counter]-Avg) * (Price[counter]-Avg);
end;
xStdDev = SquareRoot(SumSqr / Length);
end
else
xStdDev = 0;


if XstdDev<>0 then begin

BB2=100*(price-Avg+coeff*xStdDev)/(coeff*xStdDev)-100;
end;

Author/Source: http://www.purebytes.com

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