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Stef... Take out the + sign....
----- Original Message -----
From: "thorstef2003" <thorstef2003@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Tuesday, November 08, 2005 6:54 AM
Subject: [amibroker] Re: Double EMA crossover, with a difference
> 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
>>
>
>
>
>
>
>
>
>
> 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
>
>
>
>
>
>
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