Barry,
I see what you mean. Googling for Advance Decline Line only turns up
the ratio. A search of AB help turns up the same description and refers the
user to the ADLine function. Something is amiss here as data is clearly needed
and ADLine has no inputs for data (as you observed).
Needs input from the master, TJ on his return.
From AB HELP:
Advance-Decline
line (AD-Line)
Line
measuring advances and declines that reflects market breadth. In its simplest
form ADLine is a summation over time of
the net daily difference between the number of advancing issues and the number
of declining issues. AmiBroker uses slightly improved formula which takes into
account also number of unchanged issues. The exact AFL formula for AmiBroker's ADLine is:
Difference
= ( AdvIssues() - DecIssues() )/ ( UncIssues() + 1 );
DiffSqrt = IIF( Difference > 0, sqrt(
Difference ), - sqrt( - Difference ) );
ADLine =
Cum( DiffSqrt );
This is a
classical indicator which tends to give a good reading of the overall strength
of the market. A break in the A/D line usually proceeds a break in prices. Look
for non-confirmation and divergence.
See also
AFL Function reference: AFL
Function: adline()
--
Terry
-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of
Barry Scarborough
Sent: Wednesday, November 02, 2005 14:49
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Advance/Decline line
But there is no input array for adline. How does AB know what to
use? It seems there must be a foreign symbol that includes this
information.
If not I have code for MBI, moving balance indicator, that can be
modified to just do AD line. The site is www.imageview.us. Take the
AmiBroker link and MBI link. The data and formula are in a zip file.
It uses the NYSE and NASD data from unicorn.com/advdec
Barry
--- In amibroker@xxxxxxxxxxxxxxx, "Terry" <MagicTH@xxxx>
wrote:
>
> There is no data included in AB. You must supply the data. Try
$ADVQ and
> $DECLQ from eSignal or historically from Unicorn.
> http://unicorn.us.com/advdec/
> --
> Terry
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
On
> Behalf Of areehoi
> Sent: Wednesday, November 02, 2005 13:43
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Advance/Decline line
>
> Does anyone know if the "built in" Advance/Decline
line works in
> AmiBroker? As you may have noted it is listed in the Charts
(came
> with the program) with the formula:
> Plot( ADLine(), _DEFAULT_NAME(),
ParamColor("Color", colorCycle ),
> ParamStyle("Style") );
> I've tried it but nothing happens. There is also an A/D Line
in
the
> "calculate composite" section under the Symbols list but
I've never
> been able to get it to work. Can someone help me on
this? Thanks
>
> Dick H.
>
>
>
>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
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>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
>
> Yahoo! Groups Links
>
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