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Barry,
Here is a thought that I have tested and I have found valuable. Compute the
relative performance as you have done but don't smooth it with your
"RatioLen." Then use "Spread_B" as a long exit when it has failed to make a
new high in say 13 weeks.
I got this idea years ago from the newsletter "The Cabot Market Letter" and
I have found it to be a valid method for bailing out of a poor performing
stock or mutual fund. Problem is when the whole market takes a dive RP
doesn't help that much. I built a trading system that included an entry and
exit. If I remember the system it worked well with weekly mutual funds. I
was going to combine this (using Fuzzy Logic) with my version of Nicholas
Darvis box method for my "killer" mutual fund trading system. Problem is
that I never have enough time for trading system development. Anyway, I'll
try to find which computer I have it on and I'll post the EL code on this
newsgroup.
Marlowe
----- Original Message -----
From: Barry Silberman <barry@xxxxxxxxxxxxxxxxxxxxx>
To: <omega-list@xxxxxxxxxx>
Sent: Friday, March 03, 2000 10:25 PM
Subject: Help with EL for relative strength of stock vs sector
> In trying to backtest improvements to entries for EOD trading with
equities
> I came up with the following code to measure relative strength of an
> individual stock (data1) as compared with a sector (Data2). Although the
> code seems to work, it suprisingly improves the entries only marginally.
>
> Can someone tell me if there is a flaw in the reasoning or a better way
to
> approach this concept of relative strength.
>
> The code I'm using is as follows:
>
> {Sector Strength Filter
> Data1 = individual stock
> Data2 = sector }
>
> INPUTS: RatioLen(5);
> Variable: spread_B(0), DataOne(0), DataTwo(0);
>
> DataOne = xaverage(close data1, RatioLen);
> DataTwo = xaverage(close data2, RatioLen);
>
> If DataTwo <> 0 then
> Spread_B = DataOne / DataTwo;
>
> Condition1 = spread_B - spread_B[1] > 0 ; {For Long entry}
> Condition2 = spread_B - spread_B[1] < 0; {for short entry}
>
>
> Thank you.
>
> Barry
>
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