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Thanks. I had seen that option but it's not exactly what I want.
Don't want to force an exit from an already open position. But rather,
prevent an opposite position from opening in the first place. Is there
a way to easily implement such a condition?
--- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxx> wrote:
>
> SetOption( "ReverseSignalForcesExit", 0 );
>
> --
> Cheers
> Graham Kav
> AFL Writing Service
> http://www.aflwriting.com
>
>
>
> 2008/7/12 ozzyapeman <zoopfree@xxx>:
> > Graham (or anyone), one more quick question if you don't mind.
> >
> > What is the easiest way to ensure that when I already have an open
> > Long position, that I don't open a Short and vice versa? Should I
> > place SetPositionSize inside the loop?
> >
> > Or is there some other way to specify in the original Buy and Short
> > rules not to Buy or Short if it's opposite is already true? I can't
> > test the inBuy or inShort variables because those only get defined
> > lower down:
> >
> >
> > SetTradeDelays( 1, 1, 1, 1 );
> > SetPositionSize(1,spsShares);
> >
> > Sell = Cover = 0;
> > BuyPrice = SellPrice = ShortPrice = CoverPrice = O;
> >
> > myMA1 = MA(C,4);
> > MyMA2 = MA(C,15);
> >
> > Buy = (myMA1 > MyMA2);
> > Short = (myMA1 < MyMA2);
> >
> > inBuy = inShort = 0;
> > ValueAtBuy = ValueAtShort = Null;
> >
> >
> > for( i = 0; i < BarCount; i++ )
> > { //various trade rules here
> > }
> >
> >
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@> wrote:
> >>
> >> Because AB AFL goes through each line if you define something later
> >> then it will override previous results.
> >>
> >> When you use a loop it interupts this normal flow as well
> >>
> >> I find that if I am defining or changing trade signals with a loop it
> >> is best to incorporate the other exits within the loop. ie define
them
> >> as conditions. This may be just because I have not found another way
> >> to do it.
> >> In this case add the actual price conditions to the loop and remove
> >> the applystop
> >>
> >> Sorry I do not think I explained this very well, so hope you get my
> > meaning.
> >>
> >> --
> >> Cheers
> >> Graham Kav
> >> AFL Writing Service
> >> http://www.aflwriting.com
> >>
> >>
> >>
> >> 2008/7/12 ozzyapeman <zoopfree@>:
> >> > Hello, would appreciate if anyone could help me with fixing
this stop
> >> > problem.
> >> >
> >> > I want to apply a stop on either a Buy or Short, should the
price move
> >> > against me by 20 pips on a Forex trade. I am able to code it (see
> > below) and
> >> > run it in the backtester. The trades correctly get stopped out at
> > 20 pips
> >> > against. However, new Buys and Shorts do not happen until the
> > original, and
> >> > now "phantom", Buy or Short runs it's course. So as far as
> > entering new
> >> > positions is concerned, it's as if the stop command is not even
> > there! I
> >> > want to enter a new Buy or Short immediately after a stop, so long
> > as the
> >> > Buy or Short rules are currently true.
> >> >
> >> > This quirk leads me to believe that some variable is not being
reset
> >> > correctly. But whether I place the stop command inside the loop or
> > out, I
> >> > get the same result in the backtester. How do I reset the variables
> >> > correctly so that the program is ready to Buy or Sell again as
> > soon as a
> >> > stop has occured?
> >> >
> >> >
> >> > Sell = Cover = 0;
> >> > BuyPrice = SellPrice = ShortPrice = CoverPrice = O;
> >> >
> >> > myMA1 = MA(C,4);
> >> > MyMA2 = MA(C,15);
> >> >
> >> > Buy = (myMA1 > MyMA2);
> >> > Short = (myMA1 < MyMA2);
> >> > ApplyStop(0,2,.0020,1);
> >> >
> >> >
> >> > inBuy = inShort = 0;
> >> > ValueAtBuy = ValueAtShort = Null;
> >> >
> >> > for( i = 0; i < BarCount; i++ )
> >> >
> >> > { //various sell and cover rules
> >> >
> >> > }
> >> >
> >> > Buy = ExRem(Buy, Sell);
> >> > Sell = ExRem(Sell, Buy);
> >> > Short = ExRem(Short, Cover);
> >> > Cover = ExRem(Cover, Short);
> >> > SetPositionSize(2,spsShares);
> >> >
> >> >
>
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