Re: [amibroker] Re: Buyprice and sellprice...

["Louis Préfontaine" <rockprog80@xxxxxxxxx>]

Hi,

But is it possible to set the backtester to consider that the buyprice was let's say 1% higher than the Close on the bar the trade was made?

That's what I tried to do.  If it's complicated, I can live with this (well, I can at least try, since I believe I am still a beginner in understanding AFL), but I'd need to know if it is possible, and if yes, what can be a good start...

Was I on the right track with 

SetTradeDelays( 1, 1, 1, 1 );
BuyPrice = c*1.01;
SellPrice = c*0.99;

Cause it does not work at all...

Thanks again,

Louis

2008/7/1 Graham <kavemanperth@xxxxxxxxx>:

Then you need to set out exactly what you need to do and write the afl to match
It is all logical steps
I do it by writing down all the restrictions and possibilities and
what I need at the end and how I think is best way to achieve this
......... in detail. There are no short cuts and can be very tedious.
I also more often than not write out a flow chart to map all
decisions, inputs, outputs, calculations etc.

--

Cheers
Graham Kav
AFL Writing Service
http://www.aflwriting.com

2008/7/2 Louis Préfontaine <rockprog80@xxxxxxxxx>:

> Hi Adrian,
>
> Thanks for your suggestion. But still... How can I do this? I mean: I
> want to be precise. With the kind of markets I am in and what I am trying
> to do, precision is very important... I need to be able to set a
> particular % adjustment for particular situations...
>
> Louis
>
> 2008/7/1 tayamaan <tayamaan@xxxxxxxxx>:
>>
>> Hi, if you would really like to try to compensate for slippage,
>> adding this to your commissions as part of your transaction costs is
>> perhaps an idea.
>>
>> Adrian
>>
>> > Hi Graham,
>> >
>> > How can I put more information so that my buy price is 1% higher
>> than C and
>> > sell price 1% lower than C?
>> >
>> > Thanks,
>> >
>> > Louis
>> >
>> > 2008/7/1 Graham <kavemanperth@xxx>:
>> >
>> > > Without more information on what you are trying to achieve
>> > > The price will be for the bar of actual entry C*1.01 or C*0.99
>> > >
>> > > Also the prices may be outside than the bar range in which case
>> the
>> > > closer of high or low is used if you have the PriceBoundChecking
>> on
>> > >
>> > > --
>> > > Cheers
>> > > Graham Kav
>> > > AFL Writing Service
>> > > http://www.aflwriting.com
>> > >
>> > > 2008/7/1 Louis Préfontaine <rockprog80@xxx <rockprog80%
>> 40gmail.com>
>> > > >:
>> > >
>> > > > Hi,
>> > > >
>> > > > I have been trying to set a formula for slippage:
>> > > >
>> > > > SetTradeDelays( 1, 1, 1, 1 );
>> > > >
>> > > > BuyPrice = C*1.01;
>> > > > SellPrice = C*0.99;
>> > > >
>> > > > It doesn't work at all. I tried to write C*50 just for fun, but
>> it didn't
>> > > > change the buyprice at all. What can possibly be wrong?
>> > > >
>> > > > Thanks,
>> > > >
>> > > > Louis
>> > >

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