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Shaun
On seeing your code I think the HighestSince() function is more appropriate.
The type of indicator shown below is very limited because it can only trail
one trade. I think a better approach is to have a trail that either "resets"
at the beginning of each new trade, or when the trailing stop is breached.
The "multiple use" approach is a must if you intend back-testing at some
point.
D:=Input("Start day" ,1,31,12);
M:=Input("Start month",1,12,8);
Y:=Input("Start year" ,1980,2003,2002);
A:=DayOfMonth()=D AND Month()=M AND Year()=Y;
HighestSince(1,A,L*.95);
Here's something that's a little more complex but should give you something
to think about.Once you learn how this works you'll be in a position to
adapt it for your own requirements. Have fun.
{Trailing Stop Example}
N:=Fml("Your Entry");
X:=Fml("Your Exit"); {independent exit}
Tr:=If(PREV=0,If(N,C,0), If(X {normal exit} OR
C<HighestSince(1,PREV=0,L*0.95), {stop loss}
0,PREV));
Xb:=If(Tr=0 AND Alert(Tr>0,2),C,0);{exit bar}
Trail:=If(Alert(Tr>0,2),HighestSince(1,Alert(Tr>0,2)=0,L*0.95),0);
Tr; Trail; Xb {or Xb>0 for binary signal};
Roy
----- Original Message -----
From: "shauncris" <spc901@xxxxxxxxxxx>
To: <equismetastock@xxxxxxxxxxxxxxx>
Sent: Tuesday, March 18, 2003 5:33 PM
Subject: Re: [EquisMetaStock Group] indicator that starts from a specified
date
> Thanks Roy,
>
> I have had a look at the valuewhen() function but cannot yet see a
> way to make it work for me (I am still thinking!). Can you have a
> look at the formula I currently have (in my previous post to Preston)
> and suggest a way I can use the valuewhen function.
>
> Thanks
> Shaun
>
>
> --- In equismetastock@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@xxxx>
> wrote:
> > Shaun
> >
> > Use the ValueWhen() function to start a display at a specific
> point. The
> > number of NUL bars (N/A display) that this function creates is a
> problem in
> > many situations, but you can use it to your advantage for
> situations like
> > this.
> >
> > Roy
> >
> > ----- Original Message -----
> > From: "shauncris" <spc901@xxxx>
> > To: <equismetastock@xxxxxxxxxxxxxxx>
> > Sent: Tuesday, March 18, 2003 12:58 AM
> > Subject: [EquisMetaStock Group] indicator that starts from a
> specified date
> >
> >
> > > I want to create a stop loss line that only starts calculating
> from a
> > > specified date (when the share was bought). I can partially do
> this
> > > with an 'if' function which tests if the date has yet occurred
> (using
> > > dayofmonth, month and year functions). But the 'if' function
> > > requires a formula to use if the result of the test is false (ie
> > > before the specified date). I dont want anything to be displayed
> if
> > > the date is before the specified date. How do I do this? Is
> there
> > > something like a null value or function I can specify if the 'if'
> > > function is false, or should I be using something other than
> > > the 'if' function?
> > >
> > > Thanks
> > > Shaun
> > >
> > >
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> > >
> > >
> > >
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