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I know I thought I had a problem years ago with
something similar to this and it just had to do with how I was displaying the
charts..there was no real problem..
I can't remember the details but as I zoomed
in/out it appeared that the indicator was moving around and crossing/not
crossing..
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Kevin
Howard
To: <A
title=Metastockusers@xxxxxxxxxxxxxxx
href="">Metastockusers@xxxxxxxxxxxxxxx
Sent: Friday, April 25, 2003 9:27
AM
Subject: RE: [Metastockusers] Exploration
RSI(14) Problems
<SPAN
>Hi Rich and
Ellen,
<SPAN
>
<SPAN
><SPAN
>
<SPAN
>
All examples are Australian Equities which last traded on
<FONT face=Arial
color=navy size=2><SPAN
>24 April
2003<SPAN
> Australian
time.
<SPAN
>
<SPAN
><SPAN
>
Gradipore (GDP); <SPAN
class=SpellE>Progen (PGL); Roberts (RBS); and <SPAN
class=SpellE>Brazin (BRZ). The first three have not dipped below RSI
(14) 30 during the past 5 days and the last Company <SPAN
class=GramE>is not showing as rising above 30 on my
charts.
<SPAN
>
<SPAN
><SPAN
>
I hope these Companies mean something to you and that you can spot the
problem. This is driving me crazy.
<SPAN
>
<SPAN
><SPAN
>
Thanks, Kevin
<SPAN
>
<SPAN
>-----Original
Message-----From:
richandellen [mailto:richandellen@xxxxxxxxxxx] <SPAN
>Sent: <st1:date Year="2003"
Day="25" Month="4"><SPAN
>Friday, 25 April
2003<SPAN
> <st1:time
Minute="33" Hour="22"><SPAN
>10:33
PM<SPAN
><SPAN
>To:
Metastockusers@xxxxxxxxxxxxxxx<SPAN
>Subject: Re: [Metastockusers] Exploration
RSI(14) Problems
<FONT face="Times New Roman"
size=3>
<SPAN
>Give a couple stocks that
fail...
<BLOCKQUOTE
>
<SPAN
>----- Original Message -----
<FONT
face=Arial size=2><SPAN
>From:<FONT
face=Arial size=2> <A
title=kjhoward@xxxxxxxxxxxxxx href="">Kevin
Howard
<FONT face=Arial
size=2><SPAN
>To:<FONT
face=Arial size=2> <A
title=Metastockusers@xxxxxxxxxxxxxxx
href="">Metastockusers@xxxxxxxxxxxxxxx
<FONT face=Arial
size=2><SPAN
>Sent:<FONT
face=Arial size=2>
<FONT face=Arial
size=2>Friday, April 25,
2003<SPAN
> <st1:time
Minute="23" Hour="8"><SPAN
>8:23
AM<SPAN
>
<FONT face=Arial
size=2><SPAN
>Subject:<FONT
face=Arial size=2> RE:
[Metastockusers] Exploration RSI(14)
Problems
<FONT face="Times New Roman"
size=3><SPAN
>
<FONT face=Arial color=navy
size=2>Hi
David,
<FONT face=Arial color=navy
size=2><SPAN
>
<FONT face=Arial color=navy
size=2><SPAN
>
Thanks for your suggestions. All my explorations are set at “Daily”
Periodicity and “Most Recent Date” and all the charts I have checked,
including false positives, are showing “D” for Daily. I do have 2 or 3
Layouts that show charts in Weekly mode but to the very best of my knowledge
all of the base charts are Daily and in any event none of the shares in
these layouts are being captured in the RSI(14) explorations
.
<FONT face=Arial color=navy
size=2><SPAN
>
<FONT face=Arial color=navy
size=2><SPAN
>
Kevin
<FONT face=Arial color=navy
size=2><SPAN
>
<SPAN
>
<FONT face=Arial color=navy
size=2><SPAN
>
<SPAN
>-----Original
Message-----From: DAVID H.
LINTON [mailto:dhlinton@xxxxxxxxxxxx] <SPAN
>Sent: <st1:date
Year="2003" Day="25" Month="4"><SPAN
>Friday, 25 April
2003<SPAN
> <st1:time
Minute="22" Hour="21"><SPAN
>9:22
PM<SPAN
><SPAN
>To:
Metastockusers@xxxxxxxxxxxxxxx<SPAN
>Subject: Re: [Metastockusers]
Exploration RSI(14) Problems
<FONT face="Times New Roman"
size=3>
<FONT face="Times New Roman"
size=2>Is it possible that the periodicity of
your chart is different than that of your exploration? Or, that in
exploration /edit/options, you have a specific date
set.
<FONT face="Times New Roman"
size=2><SPAN
>David
<BLOCKQUOTE
>
<SPAN
>----- Original Message -----
<FONT
face=Arial size=2><SPAN
>From:<FONT
face=Arial size=2> <A
title=kjhoward@xxxxxxxxxxxxxx href="">Kevin
Howard
<FONT face=Arial
size=2><SPAN
>To:<FONT
face=Arial size=2> <A
title=Metastockusers@xxxxxxxxxxxxxxx
href="">Metastockusers@xxxxxxxxxxxxxxx
<FONT face=Arial
size=2><SPAN
>Sent:<FONT
face=Arial size=2>
<FONT face=Arial
size=2>April 25,
2003<SPAN
> <st1:time
Minute="19" Hour="7"><SPAN
>7:19
AM<SPAN
>
<FONT face=Arial
size=2><SPAN
>Subject:<FONT
face=Arial size=2>
[Metastockusers] Exploration RSI(14)
Problems
<FONT face="Times New Roman"
size=3><SPAN
>
<SPAN
>Hi Manish and
<SPAN
>Preston<FONT
face=Arial size=2><SPAN
>,
<SPAN
>
<SPAN
><SPAN
>
Thank you both for offering help with my RSI (14) Exploration
problems. I have spent the best part of today trying to move forward but I
am still identifying false positives. That is I am still identifying
shares that should have crossed above the RSI (14) 30 level within the
last 5 trading days, but in fact have not been below RSI (14) 30 during
this period. I only have limited MS programming skills but I have happily
used MS for the past 5 years and I have used my own explorations
successfully for much of this time. However I would say I am a little
shaken with the problem I am currently
experiencing.
<SPAN
>
<SPAN
><SPAN
>
Taking each of your posts in turn, I pasted your Exploration code
Manish and it ran smoothly but did not eliminate my “false positive”
problem. I am afraid I was not able to work out the logic behind what
looks to be a nice piece of code, so I could not take it any further.
Could you briefly how you exploration works?
<SPAN
>
<SPAN
><SPAN
>
<SPAN
>Preston<FONT
face=Arial size=2> I
picked up on your suggestion re validation but this has only deepened my
concern. I had previously looked upon validation as being required when
there was a possibility that there may be a logic conflict within an
Exploration code. I would have thought that Alert (Cross (RSI (14), 30),
5) was fairly unambiguous, (in fact the ‘RSI cross 70’ is given as an
“Alert” example on Page 220 of my User Manual), but apparently not.
Nevertheless I have now used the following as an attempt to validate:
<SPAN
>
<SPAN
><SPAN
>
A: =Alert (Cross (RSI (14), 30), 5);
<FONT
face=Arial size=2>B: =If
(BarsSince (A) <=5, 1, 0); B=1
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2>But
this still gave me false positives, i.e. shares that had not been below 30
within the past 5 trading days. So I ran another exploration this time
using the following filter:
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2><SPAN
>BarsSince (RSI (14) <30)
<=5 AND
<FONT
face=Arial size=2><SPAN
>BarsSince (RSI (14)>30)
<=5
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2>I also
used my columns A to F to record the RSI (14) values for each of the past
5 trading days using the ‘ref’ function. To my astonishment and despair I
still captured shares whose RSI (14) value had not been below 30 during
the past 5 trading days. So is my logic wrong with these attempts to
validate or have I somehow corrupted my MS software or
data?
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2>I
should add that I definitely take your point about trading whipsaws. The
reason why I am so pedantic about wanting to capture shares only where
either RSI (14) has crossed 30 or MACD () signals ‘Buy’ and desirably to
have both occur within the last few trading days is that I then want to
overlay a composite template over such selected shares, interpret the
resultant graph and then act on this interpretation. The RSI and MACD
signals do not form part of the template but are highly correlated in
situations where the template signals a buy or sell action. On a small
sample of shares (5) in real life, the template has given exceptionally
good and unambiguous results. However as I cannot employ all the
parameters used in the template as an exploration or System Tester code, I
am left with having to manually test it on a larger number of potential
candidate shares before I get too carried away with its usefulness as a
trading tool.
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2>Two
final points: I too thought that Ref -1 gave yesterday’s value and Ref -2
gave the trading day before. But now I strongly suspect that it gives the
value of the last and second last day that a particular share or
derivative traded. For example in the first validation attempt used above,
I used two of the A-F column to record the DayOfMonth () and ref
(dayofmonth (),-1) values. I fully expected to see 24 and 23 returned
respectively (25 is a public holiday in
<SPAN
>Australia<FONT
face=Arial size=2>). The
majority reflected these values but a substantial minority did not, but
did appear to reflect the last and second last days they traded. So I
would welcome clarification on the reference function. And finally I still
would very much like to filter out derivatives and retain straight stock.
So if there is anyway of filtering on the Ticker Symbol character size
within Metastock, I would greatly appreciate being told about
it.
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2>I
really am finding this RSI (14) a difficult problem to solve and yet I
know it must be that I am doing something or some things wrongly. So any
further insights from either of you or any others on the list would be
really well received here.
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2>Thanks
again, Kevin Howard
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2><SPAN
>
<FONT
face=Arial size=2><SPAN
>
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