Re: Position size strategies

[UWKaestner@xxxxxxxxxxx (Ulrich-Wolfram Kästner)]

Pierre Orphelin,

thanks for explaining the dependencies !

In my initial message I stated:

> My first attempt to code "trade the half size after a loss" in a system
> is LATE one bar:
>
> value1=TotalTrades;
>
> if value1<>value1[1] then 
> value2=NetProfit+OpenPositionProfit;
>
> if value2<value2[1] 
> then NoContracts=1
> else NoContracts=2;


I used your hint in a system:

Vars: ce(0);    {closed equity}

ce=GrossProfit+GrossLoss;

if ce<>ce[1] then 
begin 
   if ce<ce[1]
   then NoContracts=1
   else NoContracts=2;
end;


This code is LATE one bar, too !
(Regarding the function I_ClosedEquity in indicators.)
Unfortunately this isn´t  the solution.

Regards,
Ulrich




> Dans un courrier daté du 03/11/98 17:59:00 Heure d5iver Pari0 Madrid,
> UWKaestner@xxxxxxxxxxx a écrit :
> 
> >  I want to implement several strategies to calculate the position size for a
> >  trading system (e.g. "trade the half size after a loss"). So I have to test
> >  if the last trade was a winner or a looser and set the number of contracts to
> >  trade according the test result.
> >
> >  It is easy to write the strategy with the help of the function I_
> >  ClosedEquity in indicators.
> >  (See the example "Indicator: PSStrategies" below.)
> >  But there seems to be no way to use the function I_ClosedEquity in systems.
> >  (btw: why ? it can´t be a technical problem !?!)
> >
> >  Do YOU have any suggestion, how to code this task ?
> >
> 
> Yes!
> 
> I_Closed Equity is the same than GrossProfit+GrossLoss when inside a system
> 
> GrossProfit+GrossLoss+PositionProfit is the same than I_OpenEquity.
> 
> The name have been changed because GrossProfit,GrossLoss; PositionProfit are
> system reserved words.
> 
> Sincerely,
> 
> -Pierre Orphelin
> www.sirtrade.com