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Rakesh:
I checked ADX in Metastock 7.22 versus AmiBroker and
they are the same except that Metastock rounds to a whole number. Is this
what you mean by "different." If so, then you will need to create a custom
indicator. If you want to see a difference, look at ADX in
QuoteTracker. It is off by a factor of 2 and they refuse to correct their
programming.
Bill
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----- Original Message -----
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black">From:
Rakesh
Sahgal
To: <A
title=Metastockusers@xxxxxxxxxxxxxxx
href="mailto:Metastockusers@xxxxxxxxxxxxxxx";>Metastockusers@xxxxxxxxxxxxxxx
Sent: Thursday, November 07, 2002 12:28
AM
Subject: Re: [Metastockusers] MetaStock
ADX vs. RealTick ADX
Gary,One way out would be to compute the ADX in
aspreadhseet and verify both for accuracy. Though Ihavent done that I
have compared the ADX computationin MS with another program I use and it
variedsignificantly. To further verify I downloadedAmibroker and cross
checked with that. Once again theMS value was different while the other
two tallied. Itis obvious that as usual the MS formula for ADX
isincorrect.Rakesh--- Gary <A
href="mailto:gary.keeney@xxxxxxxxxxx";>gary.keeney@xxxxxxxxxxx>
wrote:> I'm looking at using the ADX to select between a>
Stochastic and a > moving average crossover system as appropriate
for> trending vs. > channeling/cycling conditions.
> > Can anyone shed some light on the difference between>
the ADX > indicator displayed in RealTick and the ADX function>
in MetaStock? > When I plot them on the identical price data in
the> two different > software packages, the results are
completely> different. The > RealTick ADX behaves as I
would expect, with> significant variations > between higher
values (> 30 or so) for trending> conditions and lower >
values (< 30 or so) for channeling conditions. The> RealTick
ADX line > also begins 14 days after the start of the data for>
a 14-period ADX. > The MetaStock ADX is nearly a flat line, and
begins> 28 days after the > start of the data (for a 14-period
ADX). It looks> like it's being > smoothed a second
time.> > I've done some investigation but have not yet done
a> spreadsheet to > re-creat Wilder's formulas from his "New
Concepts in> Technical > Trading Systems". That's my next
step, but I> thought someone else > may have already figured it
out.> > So far it looks to me like it's a difference in>
terminology - that > the ADX in RealTick is actually Wilder's DX, or
the> MetaStock DX is > actually Wilder's ADX. I also note
that MetaStock's> custom formula > library includes a custom
indicator which calculates> ADX and ADXR > without rounding,
with the note that the built-in> indicator is > exactly the same
as Wilder's original calculations. > I wouldn't think > that the
rounding difference would be large enough> to account for the >
difference between the two software packages.> > Thanks.>
> Gary > > > To unsubscribe from this group, send
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