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Thanks for your efforts Ed. It is indeed simpler to use the Equity
and Flip(Buy,Sell) method! Though occasionally I am having some
trouble with ValueWhen( Buy, Close ,1) if the Buy condition is met
again after the initial entry signal. Are there other ways to refer
to the Entry Price without having this issue?
Regards,
Adrian
--- In amibroker@xxxxxxxxxxxxxxx, "Edward Pottasch" <empottasch@xxx>
wrote:
>
> hi,
>
> this indeed can be done without using loops but if you want to use
loops it would look like (see also chart). But this can be done
without using loops,
>
> rgds, ed
>
>
>
>
> Buy = Cross(C,EMA(C,50));
> Sell = 0;
>
> BuyPrice = Open;
> sellPricelevel = Null;
> BuyAdjusted = 0;
>
> for( i = 0; i < BarCount; i++ )
> {
>
> if( Buy[ i ] )
> {
>
> BuyAdjusted[ i ] = 1;
> sellPriceLevel[ i ] = BuyPrice[ i ] * 1.2;
>
> for ( j = i + 1; j < BarCount; j++ )
> {
>
> sellPriceLevel[ j ] = BuyPrice[ i ] * 1.2;
>
> if (H[ j ] > sellPriceLevel[ j ])
> {
>
> Sell[ j ] = 1;
> SellPrice[ j ] = Max(O[ j ],sellPriceLevel[ j ]);
>
> i = j;
> break;
>
> } else if (j == BarCount - 1) {
>
> i = BarCount;
>
> }
>
> }
>
> }
>
> }
>
> Buy = BuyAdjusted;
>
> SetBarsRequired(10000,10000);
> SetChartOptions(0, chartShowDates);
> Plot(C,"C",colorWhite,64);
> PlotShapes(IIf(Buy,shapeUpTriangle,0),colorWhite, layer = 0,
yposition = BuyPrice, offset = 0 );
> PlotShapes(IIf(Sell,shapeDownTriangle,0),colorOrange, layer = 0,
yposition = SellPrice, offset = 0 );
>
> Plot(sellPriceLevel,"sell Level",colorBlue,styleThick);
>
>
>
>
>
>
>
>
>
>
> ----- Original Message -----
> From: tayamaan
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Monday, June 30, 2008 10:16 AM
> Subject: [amibroker] Re: AFL looping question!
>
>
> Hi Ed, the loop is just a simple profit target stop for testing
other
> parts of my systems and a reference to the Entry Price.
>
> Once changing the "Close[ i ] > priceatbuy * 1.2" expression and
> basically making it a stop, things go wrong. Or is it my logic?
LOL
>
> Am not too familiar with looping and try to understand why this
> doesn't work.
>
> Thanks
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Edward Pottasch" <empottasch@>
> wrote:
> >
> > hi,
> >
> > could you explain what you try to do? 1 error I see is that
> priceatbuy in the loop also needs to be handled as an element,
like
> priceatbuy[ i ], but then still I can't figure out what you are
> trying to do,
> >
> > rgds, Ed
> >
> >
> >
> >
> > ----- Original Message -----
> > From: tayamaan
> > To: amibroker@xxxxxxxxxxxxxxx
> > Sent: Monday, June 30, 2008 9:30 AM
> > Subject: [amibroker] AFL looping question!
> >
> >
> > Hello all,I couldn't be more pleased with all the Amibroker
> > improvements lately, I am still often amazed what this
fantastic
> piece
> > of software is capable of.
> >
> > I am going wrong somewhere with the loop sample below when
> changing
> > the expression: Close[ i ] > priceatbuy * 1.2 ) into: Close[
i ] <
> > priceatbuy * 0.8 )
> >
> > First expression works fine, with the second one things go
wrong
> and I
> > can't figure what! Can someone send me in the right direction
pls.
> >
> > Are there any other ways to refer to the Entry Price other than
> > Valuewhen and Equity Flip(Buy,Sell)?
> >
> > Cheers,
> > Adrian
> >
> > Buy = Cross(C,EMA(C,50));
> > Sell = 0;
> >
> > priceatbuy = 0;
> >
> > for( i = 1; i < BarCount; i++ )
> > {
> > if( priceatbuy == 0 AND Buy[ i ] )
> > {
> > priceatbuy = BuyPrice[ i ];
> > }
> > else Buy[ i ] = 0;
> >
> > if( priceatbuy > 0 AND Close[ i ] > priceatbuy * 1.2 )
> > {
> > Sell[ i ] = 1;
> > priceatbuy = 0;
> > }
> > }
> >
>
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