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Hi Graham,
Posted my earlier post by mistake, didnt realise you had replied to
it already. Thanks for all your help, I do appreciate it.
I was hoping for an answer to using Barssince cause it is mentioned
in the help file.
Is it possible to look forward in the array as in
x= Ref(Close,1)- Ref(Close,+5);
Getting a syntax error when trying to do this.
Regards,
Stef
--- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxxx> wrote:
>
> to sell after 10 days from entry use Applystop is the easiest
> you can also use
> buy=exremspan(BUY,10);
> sell=ref(buy,-10);
>
> Cross gives a value of 0 or 1 if false or true. Summing the cross
over
> anumber of bars gives the number of times that cross was true for
that
> period.
>
> An alternative to Sum(......., 5 ) would be to use
> barssince( Cross( EMA(Close,20 ),EMA(Close, 50) ) ) < 5
>
>
> On 11/8/05, thorstef2003 <thorstef2003@xxxx> wrote:
> > Thanks Terry! Could you explain a bit what Sum(Cross (EMA(Close,
> > 20 ),EMA(Close, 50),5));does?
> > Still need to know how to automatically sell after 10 days?
> > Also, any tutorials on using VB from AFL?
> > --- In amibroker@xxxxxxxxxxxxxxx, "Terry" <MagicTH@xxxx> wrote:
> > >
> > > Try:
> > > Buy=Cross (EMA(Close, 10 ),EMA(Close, 20)) AND
> > > Sum(Cross (EMA(Close, 20 ),EMA(Close, 50),5));
> > > --
> > > Terry
> > > -----Original Message-----
> > > From: amibroker@xxxxxxxxxxxxxxx
[mailto:amibroker@xxxxxxxxxxxxxxx]
> > On
> > > Behalf Of thorstef2003
> > > Sent: Monday, November 07, 2005 11:42
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: [amibroker] Double EMA crossover, with a difference
> > >
> > > I want to backtest a double EMA crossover.
> > >
> > > Buy=Cross (EMA(Close, 10 ),EMA(Close, 20)) AND
> > > Cross (EMA(Close, 20 ),EMA(Close, 50));
> > >
> > > except that I would like to check if the 2nd crossover has
occurred
> > > anytime during the previous 5 days. It is non simultaneous.
> > > 1 How do I check for 20-50 crossABOVE on any day upto 5 days
ago?
> > > 2 How to sell automatically after 10 days are over?
> > > Found a danningham.afl that uses vbscript. I'm pretty OK with
VB so
> > can
> > > anyone point me to a tutorial on using VB from AFL?
> > >
> > >
> > >
> > >
> > >
> > >
> > > Please note that this group is for discussion between users
only.
> > >
> > > To get support from AmiBroker please send an e-mail directly to
> > > SUPPORT {at} amibroker.com
> > >
> > > For other support material please check also:
> > > http://www.amibroker.com/support.html
> > >
> > >
> > > Yahoo! Groups Links
> > >
> >
> >
> >
> >
> >
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
>
> --
> Cheers
> Graham
> AB-Write >< Professional AFL Writing Service
> Yes, I write AFL code to your requirements
> http://e-wire.net.au/~eb_kavan/ab_write.htm
>
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