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Jean-Michel,
It looks to me as if you need something like the Bandwidth indicator, which
you can then test to see how much it increases or decreases over a set
period of time.
The formula, using 20 bars, is:
Bandwidth
(mov(c,20,s)+(2*(std(C,20)))) - (mov(c,20,s) - (2*(std(c,20)))).
Good luck.
Fred Bender
Jean-Michel Daniele wrote:
> Hi everybody,
>
> At present, I am working on a system tester based on several indicators
> and one of the buy signal is given by the behaviour of both top and
> bottom Bolliger band. It is the first time I write my own system and
> even if I am putting all my willing in it there is one problem I can go
> through. I hope somebody will be able to enlight my nights.
>
> Here is the problem, I would like to write a formula that could give a
> buy signal when the bolliger bands divergence increase more than a
> certain percentage.
>
> The sell signal will be triggered when the Bolliger band divergence
> would decrease more than a certain percentage from their maximal
> divergence.
>
> That is what I wrote:
>
> Divergence( BBandBot(CLOSE,20,S,2), BBandTop(CLOSE,20,S, 2),opt1)
>
> Any help to a newbie will be greatly appreciated,
>
> have a nice day!
>
> J.-M.Daniele
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