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Would Tools>Options>Default Colors & Styles>Auto Rotate serve any purpose?
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> From: Dave Nadeau <dave_nadeau@xxxxxxxxx>
> To: metastock@xxxxxxxxxxxxx
> Subject: RE: Setting colour on a multi-plot indicator
> Date: Thursday, December 21, 2000 8:59 AM
>
> Bill,
>
> I am suggesting both a System Test as well as multiple Custom Indicators
which you can use in an Exploration. The optimization has
> to be done in a system test. When I run optimizations, I want to see the
distribuition of my results to be "clustered." For example,
> using the built-in Equis system of "Equis - Directional Movement w/Opt",
you are optimizing the length of the PDI() and the MDI(). In
> the results, I would sort by the period. Say the maximum return occurs
at length = 17. I would want to see a successful result at 16
> and 15 and 14 and 13 as well as 18 and 19 and 20 and 21. Not as
profitable, but at least positively correlated.
>
> So, I can do that part quickly in a System Test. Then, if successful
over two or three securities, I would want to expand that to a
> portfolio of securties, say the S&P500 using the multiple custom
indicators in an Exploration. Then I can immediately see the results
> across a broad range of stocks.
>
> Continuing with the "Equis - Directional Movement w/Opt" example, I
would create the following custom indicators: (I'm using the
> following as an example, you can probably see ways to shorten and make
this code more efficient, but I'll leave it as is to show all of
> the steps)
>
> INDICATOR1(Your formula)
> Length:=17;
> POS:=PDI(Length);
> NEG:=MDI(Length);
> POS;NEG
>
> INDICATOR2
> Y:=FmlVar("INDICATOR1","POS");
> Z:=FmlVar("INDICATOR1","NEG");
> Long:=Cross(Y,Z);
> Short:=Cross(Z,Y);
>
> INDICATOR3(Your market position)
> A:=FmlVar("Indicator2","Long");
> B:=FmlVar("Indicator2","Short");
> If(Barssince(A)<=Barssince(B), 1,If(Barssince(B)<=Barssince(A),-1,0)
>
> Indicator4(Your equity line)
>
Cum(If(Fml("Indicator2")=1,(Open-Ref(Open,-1),If(Fml("Indicator2")=-1,-1*(Op
en-Ref(Open,-1)),0)))
>
>
> I would recommend that as you create each Custom Indicator, you plot it
against a sample security to make sure that the timing is
> correct. i.e. as you stop and reverse, you will probably want to use
Ref(A,-1) instead of A. This would correspond to setting the delay
> to 1 in the system tester. Also, the Equity Line assumes that you trade
on the open; you can easily substitute the Close or some
> predetermined entry value.
>
> Now, you can create an Exploration with INDICATOR4 as one of the columns
and quickly see the equity performance across your
> portfolio of stocks. Then, you can change "Length:=17;" to 18 or 20 in
INDICATOR1, and run the exploration again to get the results
> for that value. You can repeat this for as many values as you like. (I
copy the exploration results into Excel to do my summary
> statistics).
>
> If you've created a template or expert using your INDICATOR1, 2, 3, or 4
to draw the entry arrows and plot the PDI() or MDI(), it will
> change also as soon as you adjust "Length:=17;" in your INDICATOR1.
>
> Bill, I hope this example helps to answer some questions. I am happy to
keep going with the detail, or if you want we can make it
> more specific to your system.
>
> Dave Nadeau
> Fort Collins, CO
>
> 12/20/00 11:59:00 PM, "Bill Irwin" <Bill-Irwin@xxxxxxxx> wrote:
>
> >Thanks for the excellent information Dave. Now to see if I understand
it.
> >
> >> There is a faster way. You'll need to use a very structured approach.
> >
> >Being a programmer I should be able to handle this... 8^)
> >
> >> Start with a custom formula with three lines which are
> >> something like this:
> >>
> >> LineA:=<time period one>;
> >> LineB:=<time period two>;
> >> LineC:=<time period three>;
> >> Mov(C,LineA,S); Mov(C,LineB,S);Mov(C,LineC,S)
> >
> >I'm using something very similar to this in my System. The Enter Long
is:
> >
> >Short:=Mov(C,opt1,S);
> >Medium:=Mov(C,opt2,S);
> >Long:=Mov(C,opt3,S);
> >Long > Medium AND
> >Short > Medium AND
> >Ref(Short,-1) < Ref(Medium,-1)
> >
> >Are you talking about this being a custom Indicator or a System? I
think
> >you mean System because of your reference to OPT1, OPT2, etc. I have an
> >Indicator called Triple Moving Average, which is:
> >
> >Short := Input("Short Moving Average", 1, 1000, 5);
> >Medium := Input("Medium Moving Average", 1, 1000, 15);
> >Long := Input("Long Moving Average", 1, 1000, 75);
> >Mov(CLOSE, Short, S);
> >Mov(CLOSE, Medium, S);
> >Mov(CLOSE, Long, S);
> >
> >> You can later change these to OPT1, OPT2, and OPT3 in your
> >> system test.
> >>
> >> Build your next formula based on the first, and give signals
> >> for enter, short, exit, etc. as 1,2,3,4 or something like that.
> >
> >This is where you lost me. Build the 2nd formula where? Base it on the
> >first, how? Do you mean to use fml("Triple Moving Average")? Are these
the
> >column formulas in an Exploration?
> >
> >> Then a third formula(Indicator3), based on the second, would
> >> use Barssince(<your long signal>)<Barssince(<your short signal>) AND
> >> Barssince(<your long signal>)<Barssince(<your exit signal>) =
> >> 1 for long or =-1 for short and =0 for out.
> >
> >Here you're saying if the amount of time since I went long is shorter
than
> >the last time I went Short or Out, then I'm in a Long position and
return
> >+1, right?
> >
> >> Then you can create a fourth custom indicator based on this,
> >> the equity line. This one says, Cum(If(Indicator3=1,Open-Ref(Open,-
> >> 1),If(Indicator3=-1,-1*(Open-Ref(Open,-1),0).
> >
> >If I'm Long subtract the prior day's Open from the current day's Open
and
> >add this difference into the accumulator. Otherwise, if I'm Short
subtract
> >this difference from the accumulator, else add zero. This will keep a
> >running total of the change in stock price, with an increase when the
price
> >increases and I'm Long, and a decrease when the price drops. When I'm
Short
> >and increase on a drop in price and a decrease on a rise? Am I on
track?
> >
> >> Now you've got four indicators based on those three variable
> >> definitions which are easy to change. You can run an
> >> exploration with
> >> this equity line to guage the performance across a portfolio
> >> of stocks.
> >
> >Am I creating four custom Indicators here and using the name of the
first
> >one in the second, and the name of the 2nd in the 3rd, etc.?
> >
> >> You can write an expert that is based on the formulas and a
> >> template. Your arrows for exits and entries as well as the lines
> >> themselves will adjust whenever you go back to adjust those
> >> three first lines of the first indicator.
> >
> >It seems that you're telling me to build custom Indicators, but I've
read
> >that when a custom formula is referenced, which has multiple plots, only
the
> >last one is returned. I'm confused about how I'd be able to use the
first
> >Indicator to have the second one based on it.
> >
> >> You can also run a new exploration once you've adjusted those
> >> three values in the formula. You can do this as many times as you'd
> >> like.
> >>
> >> I hope this explanation makes sense. I'm happy to clarify.
> >> It is quicker, but still has some manual steps.
> >
> >I'm glad you're willing to clarify because, as you can see, I'm very
green
> >with MS and still need the obvious things included in any explanation.
> >Sorry if this is more than you contemplated when you replied. You have
me
> >very intrigued about how this would work - especially for screening
through
> >large numbers of stocks to glean those that are cycling nicely so I can
test
> >different values to optimize. I suspect that I'm going to find that the
> >optimal values for one stock are not the optimal values for another
stock.
> >What I think I'm looking for is a set of values that does reasonably
well on
> >many stocks, but not all, but I could be wrong on this.
> >
> >I hope there's some value in this thread to other readers. Thanks again
> >Dave.
> >
> >Bill
> >
> >>
> >> Dave Nadeau
> >> Fort Collins, CO
> >>
> >> 12/20/00 10:53:21 AM, "Bill Irwin" <Bill-Irwin@xxxxxxxx> wrote:
> >>
> >> >Thanks Frans & Steve for the suggestion. Maybe if I'd more
> >> fully explained
> >> >what I'm doing perhaps another method is available, and
> >> would be better.
> >> >I'm working on a System that's based on this triple plot.
> >> I'm going to be
> >> >optimizing the values of this triple MA and, after the test,
> >> observe the
> >> >most profitable scenario.
> >> >
> >> >What I'd really like is for the System tester to plot the
> >> triple MA (in 3
> >> >colours) along with the Buy/Sell/Exit signs so that I can see the MAs
> >> >crossing at these triggers. As it is, it appears I'll have
> >> to apply the
> >> >Triple MA Coloured Template, then adjust the lengths of the
> >> MAs to match the
> >> >winning System (after digging into the winning System to see
> >> the values of
> >> >OPT1/2/3 in a window that can't be sized to avoid the extra
> >> step and time of
> >> >scrolling). This doesn't make for a speedy review of a
> >> given System across
> >> >many charts. Of course, having to run the System test on
> >> each individual
> >> >chart (rather than on a selection, as in an Exploration) is
> >> what really
> >> >takes the time.
> >> >
> >> >If there's a faster way of doing this, please advise, and
> >> thanks again.
> >
>
> Dave Nadeau
> Fort Collins, CO
>
>
>
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