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Hi,
My mistake: it should be ROC( study("id"), 1 ) for 1-day percent change
or study("id") - ref( study("id"), -1 ) for 1-day point change.
Best regards,
Tomasz Janeczko
===============
AmiBroker - the comprehensive share manager.
http://www.amibroker.com
----- Original Message -----
From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Sunday, August 19, 2001 8:27 PM
Subject: [amibroker] Re: Amibroker Feature Questions
> --- In amibroker@xxxx, "Tomasz Janeczko" <amibroker@xxxx> wrote:
> >
> > > 3. Can the slope value of a manually drawn trendline be
> calculated in
> > > terms of percent change per day?
> > Yes. Use AFL function: ROC( Study( "ID" ) );
> >
> Dear Tomasz,
> ROC(Study("ID")); gave some strange results different than the slope
> value. What is ROC(Array) without period ?
> Best Regards
> Dimitris Tsokakis
>
>
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>
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