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Re: System Signals



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<DIV><FONT face=Arial size=2>I have found John Crane's "Reversal Day Phenomenon" 
strategy very effective in this situation.</FONT></DIV>
<DIV><FONT face=Arial size=2>If your interested a copy of his book can be 
obtained by contacting him at 800-521-0705. </FONT></DIV>
<BLOCKQUOTE 
style="BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
  <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV 
  style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> 
  James Wolf </DIV>
  <DIV style="FONT: 10pt arial"><B>To:</B> <A 
  href="mailto:metastock@xxxxxxxxxxxxx"; 
  title=metastock@xxxxxxxxxxxxx>Metastock</A> </DIV>
  <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, June 11, 2000 7:49 PM</DIV>
  <DIV style="FONT: 10pt arial"><B>Subject:</B> System Signals</DIV>
  <DIV><BR></DIV>
  <DIV><FONT face=Arial size=2>Hi all,</FONT></DIV>
  <DIV><FONT face=Arial size=2>In using momentum oscillators,&nbsp; many times 
  the oscillator will reach an overbought or oversold condition where it 
  triggers a reversal, yet the trend still continues.&nbsp; I have used with 
  limited success a check that will look back "X" number of days to see if the 
  close is in the desired direction.</FONT></DIV>
  <DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2>Does anyone&nbsp;use a method that will check and 
  reverse the last 'false' signal if the trend continues, that they would be 
  willing to share?</FONT></DIV>
  <DIV>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2>Thanks,</FONT></DIV>
  <DIV><FONT face=Arial size=2>James Wolf</FONT></DIV></BLOCKQUOTE></BODY></HTML>
</x-html>From ???@??? Mon Jun 12 18:42:42 2000
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Date: Sun, 11 Jun 2000 20:02:34 -0700
From: HHP <hhp@xxxxxxxx>
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Subject: Re: VAP..
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Status:  O

Chris,

It's not only similar, it's identical to MStk's built-in Chaikin's Money
Flow Indicator.  Plot both in different colours and drag one over the
other and they line up exactly.  I can confirm that AIQ's Volume
Accumulation Percentage has the same formula.

When using the hand coded version, if a price bar has a High exactly
equal to the Low you get a 'division by zero' error.  Has anyone found a
way to trap this error?  I would expect the following line to do it but
it doesn't.

X:= If(H=L, 0, (2*C-H-L) / (H-L);

HHP
==========================

Christian Baude wrote:
> 
> On Sun, 11 Jun 2000 18:53:02 -0400, you wrote:
> 
> > does anyone have the explorer code for this indicator...thanks...
> > Jim....Atlanta, GA
> 
> ?? Is this the right VAP ??
> 
> Volume Accumulation Percentage Indicator (VAP) - David Vomund TASC
> 10/1999 TASC p.69
> 
> VAP, or VA%, is similar to Chaikin's Money Flow * 100.
> 
> Periods: = Input("Time Periods",1,60,21);
> X: = (2*C-H-L) / (H-L);
> TVA: = Sum(V*x,Periods);
> TV: = Sum(V,Periods);
> VA: = 100*TVA/TV;
> VA
> 
> -÷ Chris ß ÷-