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OR will not change the logic.
Short=Open>Close AND Close<EMA(Close,50);
Short=ExRemSpan(Short,7);//avoid repetitive short for 7 bars
Cover=Ref(Short,-7) OR Close>Ref(High,-1);
Short=ExRem(Short,Cover);Cover=ExRem(Cover,Short);
I hope it is clear.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "kk2628" <kk2628@xxxx> wrote:
> HI,
>
> OK there is a typpo in my AFL in the earlier mail, it should be OR
instead
> of AND. BUT the 1st condition still not working. Following is the
explore
> list. Pay notice to a short was happened on 1/30/03 but only cover
on
> 2/14/03 ???
>
> Thanks
> KK
>
> NASCOM 1/2/03 1384.85 1384.85 0.00 1.00 5.00 0.00 1.00
> NASCOM 1/17/03 1376.19 1376.19 1.00 0.00 0.00 0.00 0.00
> NASCOM 1/23/03 1388.27 1388.27 0.00 1.00 3.00 0.00 1.00
> NASCOM 1/24/03 1342.14 1342.14 1.00 0.00 0.00 0.00 0.00
> NASCOM 1/29/03 1358.06 1358.06 0.00 1.00 3.00 0.00 1.00
> NASCOM 1/30/03 1322.35 1322.35 1.00 0.00 0.00 0.00 0.00
> NASCOM 2/14/03 1310.17 1310.17 0.00 1.00 11.00 0.00 1.00
> NASCOM 2/19/03 1334.32 1334.32 1.00 0.00 0.00 0.00 0.00
> NASCOM 2/21/03 1349.02 1349.02 0.00 1.00 2.00 0.00 1.00
> NASCOM 2/24/03 1322.38 1322.38 1.00 0.00 0.00 0.00 0.00
> NASCOM 2/28/03 1337.52 1337.52 0.00 1.00 4.00 0.00 1.00
> NASCOM 3/3/03 1320.29 1320.29 1.00 0.00 0.00 0.00 0.00
> NASCOM 3/13/03 1340.77 1340.77 0.00 1.00 8.00 0.00 1.00
> NASCOM 3/31/03 1341.17 1341.17 1.00 0.00 0.00 0.00 0.00
> NASCOM 4/2/03 1396.72 1396.72 0.00 1.00 2.00 0.00 1.00
> NASCOM 4/9/03 1356.74 1356.74 1.00 0.00 0.00 0.00 0.00
> NASCOM 4/15/03 1391.01 1391.01 0.00 1.00 4.00 0.00 1.00
>
> ----- Original Message -----
> From: "kk2628" <kk2628@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Wednesday, July 23, 2003 5:45 PM
> Subject: Re: [amibroker] Re: Barssince / Help
>
>
> > Hi DT,
> >
> > You are right, I just want either one of the condition happened
then cover
> > to be activated. After checking, I confirm the barssince(short)
==7 not
> > working as you can see there are covers more than 7 bars. For
Nasdaq, you
> > can see that a short happened on 1/17/03 but a cover only happen
on
> 3/20/03.
> > Could this because the barssince is return array and the type is
mismatch
> > ???
> >
> > Thanks
> > KK
> >
> > Following is the AFL code I use.
> >
> > // For futures use
> > MarginDeposit = 5000;
> > file://PositionSize = -30;// use 80% of equity
> > PositionSize = 1 * 8000;// limit to maximum contracts
> > RoundLotSize = 1;
> > PointValue = 100;
> >
> > Short=Open>Close AND Close<EMA(Close,50);
> > Cover=BarsSince(Short)==7 AND Close>Ref(High,-1);
> > Short=ExRem(Short,Cover);
> > Cover=ExRem(Cover,Short);
> >
> >
> > Filter= Short OR Cover;
> >
> > AddColumn(Close,"close",1.2);
> > AddColumn(ShortPrice,"shortprice",1.2);
> > AddColumn(Short,"short");
> > AddColumn(Cover,"cover");
> > AddColumn(BarsSince(Short),"bar");
> > AddColumn(BarsSince(Short)==7,"barc");
> > AddColumn(Close>Ref(H,-1),"c");
> >
> > ----- Original Message -----
> > From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Wednesday, July 23, 2003 5:25 PM
> > Subject: [amibroker] Re: Barssince / Help
> >
> >
> > > Your condition is just fine.
> > > [try Cover=BarsSince(Short)==7 ; to confirm that it works]
> > > But, if Close>Ref(High,-1) comes before the 7th bar after
Short, it
> > > is activated first.
> > > For ^NDX there is a [rare] example between 2/2/2001 and
13/2/2001,
> > > when Close>Ref(High,-1) did not happened any of the 7 bars and
> > > BarsSince(Short)==7 was activated first.
> > > You join with OR your Cover conditions, which means you search
for
> > > ANY true, not for both.
> > > Dimitris Tsokakis
> > > --- In amibroker@xxxxxxxxxxxxxxx, "kk2628" <kk2628@xxxx> wrote:
> > > > HI,
> > > >
> > > > I intend to cover my short on the 7th bar after my short or
if the
> > > close today higher than yesterday high. My AFL is as below
> > > > short = close<ema(close,50);
> > > > Cover=BarsSince(Short)==7 OR Close>Ref(High,-1);
> > > >
> > > > However, when I check the result, seems only the second
condition
> > > close>ref(high,-1) will be execute, the first condition
barssince not
> > > taking effect. Any help is appreciated.
> > > >
> > > > Thanks
> > > > KK
> > >
> > >
> > >
> > > Send BUG REPORTS to bugs@xxxx
> > > Send SUGGESTIONS to suggest@xxxx
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> > >
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