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[amibroker] Re: Position Sizing



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Hi,

Can you clarify what you mean by "These two do not work independantly of each other"?

Will you ever have a scenario where you would simultaneously generate both a Buy and a Short on the same bar? If not, you could try something like the following:

Buy = ...
BuyPrice = ...
Short = ...
ShortPrice = ...

PositionSize = IIF(Buy, (Risk/(BuyPrice - InitialStop))*BuyPrice, (Risk/(ShortPrice + initialStop))*ShortPrice);

Mike

--- In amibroker@xxxxxxxxxxxxxxx, "bradleybeams@xxx" <bradleybeams@xxx> wrote:
>
> Im currently designing a system which can go both long and short
> 
> For the thread sake lets say the code is
> 
> PositionSize = (Risk/(BuyPrice - InitialStop))*BuyPrice
> 
> This works fine on LONG positions
> 
> But when going short i need
> 
> PositionSize = (Risk/(ShortPrice + initialStop))*ShortPrice
> 
> These two do not work independantly of each other, so sometimes i get weird buys like 4-5 shares and sometimes it is a normal amount
> 
> Is there a way to seperate these two?
> 
> Like PositionSizeLong = And PositionSizeShort =
> 
> Or soemthing along those lines
> 
> Cheers
> Brad
>




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