[EquisMetaStock Group] My bollinger band squeeze

["safdar_keb" <safdar19@xxxxxxxxxxxxx>]

Hello to everyone

Few days ago there was a discussion about how to find out securities 
who's Bollinger bands have come really close 
I have managed to write a formula which can find exactly this.
The formula is very basic, but it works.
=======================================================

cola
a1:=BBandTop( CLOSE, 10, S, 2 )-BBandBot( CLOSE, 10, S, 2 );
(a1/BBandTop( CLOSE, 10, S, 2 ))*100
{finds the % difference between the two bands, the less difference 
the better the probebility of a breakout}

colb
b2:=BBandTop( CLOSE, 10, S, 2 )-BBandBot( CLOSE, 10, S, 2 );
c2:=(b2/BBandTop( CLOSE, 10, S, 2 ))*100;
BarsSince(c2>10)
{ Finds the no of days the security is moving the tight band }

filter
cola<10

==============================================================
I have taken the bands to be "tight" if the difference between the 
upper band and lower band is 10% (value in cola)
Filter can be reduced to anyone's liking.
Like wise in colb "BarsSince(c2>10)" 10 can be reduced to any lower 
number

Safdar







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