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The IB formula is at
http://www.amibroker.com/library/detail.php?id=105
1st comment.
It can not be used for backtesting for two reasons :
a.It searches the last available trendline pair and
b. It uses Peak/Trough functions which look into the future, as
derivatives of zig.
The posted example describes exactly this situation. The
last "visible" peak was not detected two bars later...
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "emarco" <emarco@xxxx> wrote:
> Dimitris,
>
> Looks like a good trendline indicator.
> Where I can find the code if available?
> Can be used with back testing?
> Regards
>
> Juan
> ----- Original Message -----
> From: Dimitris Tsokakis
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, August 26, 2003 5:45 AM
> Subject: [amibroker] Reversals and their detection
>
>
> It is "obvious" that a reversal occurred at R.
> My resistance trendline can not "see" it yet.
> The reason is simple.
> My trendline is based on Peak() function and the sensitivity is
calibrated at Perc=3%.
> The day R had H=1342.64.
> Peak() function will recognise it as a peak as soon as
H<0.97*1342.64 or H<1302.36
> The last H was 1307.85 and it was not enough to trigger the Peak
() function.
> Nobody knows how many bars we need to see H<1302.36.
> Everybody should know that, if we do not see H<1302.36, the point
R will not be recognised as a peak.
> I hope it is clear.
> Dimitris Tsokakis
>
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