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You would need to change the lines: PK= Peak( H, percdiff, 1 ) ==
HIGH; and peakdiff = ValueWhen( PK, H, 1 )/ValueWhen( PK, H, 2 ); as
well as the HHV line.
--- In amibroker@xxxxxxxxxxxxxxx, "Hans" <hansib@xxxx> wrote:
> Hello,
> I need some help....
> I get this code at amibroker/library to get double tops. I tried to
> modify it (Low instead of High and LLV instead of HHV) to
get "double
> Bottoms".... without success. I hope anyone can help me....
> Many thanks
> Hans
>
> /* Detecting double tops */
> percdiff = 5; /* peak detection threshold */
> fwdcheck = 5; /* forward validity check */
> mindistance = 10;
> validdiff = percdiff/400;
> PK= Peak( H, percdiff, 1 ) == HIGH;
>
> x = Cum( 1 );
> XPK1 = ValueWhen( PK, x, 1 );
> XPK2 = ValueWhen( PK, x, 2 );
>
> peakdiff = ValueWhen( PK, H, 1 )/ValueWhen( PK, H, 2 );
> doubletop = PK AND abs( peakdiff - 1 ) < validdiff AND (XPK1 -
> XPK2)>mindistance
> AND HIGH > HHV( Ref( H, fwdcheck ), fwdcheck - 1 );
> buy = doubletop;
> sell = 0;
>
> writeif( highest( doubletop ) == 1, "AmiBroker has detected some
> possible
> double top patterns for " + name() + "\nLook for green arrows on
the
> price
> chart.", "There are no double top patterns for " + name() );
> grazie
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