Better Bollinger (Dennis McNicholl)

[Tomcat8]

Hello,

is it possible to get this code for esignal?
Does anyone know the correct usage of the better bollinger bands?

Thanks in advance.

Tomcat



Better Bollinger Bands by Dennis McNicholl
(Futures 10/98)


{Denvelope Indicator}

inputs:
lookback(20),
mult(2);

vars:
alpha(0),
mt(0),
ut(0),
dt(0),
mt2(0),
ut2(0),
dt2(0),
but(0),
blt(0);

alpha = 2 / (lookback + 1);
mt = alpha * close + (1 - alpha) * mt;
ut = alpha * mt + (1 - alpha) * ut;
dt = ((2 - alpha) * mt - ut) / (1 - alpha);
mt2 = alpha * absvalue(close - dt) + (1 - alpha) * mt2;
ut2 = alpha * mt2 + (1 - alpha) * ut2;
dt2 = ((2 - alpha) * mt2 - ut2) / (1 - alpha);
but = dt + mult * dt2;
blt = dt - mult * dt2;
plot1(dt,"CenterB");
plot2(but,"UpperB");
plot3(blt,"LowerB");

[ACM]

Tomcat
I believe the attached efs will do what you asked
The parameters can be changed through Edit Studies
Alex

[Tomcat8]

Thank you.

Tomcat