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<FONT face=Arial color=#0000ff
size=2>Clyde
The
answer lies in Addtocomposite. You may assign a watch list to run the
calculations on when creating the composite (AA). You may store the accumulated
values in any of the composite fields, so here we store up to close , dn to
open, upvol to High and dnvol to Low. Run the entire code in AA against the
watchlist of your choice then copy the entire code to IB to plot the values with
your favorite chart (foreign allows you to see the plot
always)
<FONT face=Arial color=#0000ff
size=2>
up=<FONT
face=Arial color=#0000ff>C<FONT
color=#0000ff>>Ref<FONT
size=2>(C<FONT
color=#0000ff>,-1<FONT
color=#282828 size=2>);
dn=<FONT
face=Arial color=#0000ff>C<FONT
color=#0000ff><Ref<FONT
size=2>(C<FONT
color=#0000ff>,-1<FONT
color=#282828 size=2>);
upvol=<FONT
color=#0000ff>IIf(up,<FONT
size=2>V<FONT
size=2>/C<FONT
color=#0000ff>,0<FONT
color=#282828 size=2>);
dnvol=<FONT
color=#0000ff>IIf(dn,<FONT
size=2>V<FONT
size=2>/C<FONT
color=#0000ff>,0<FONT
color=#282828 size=2>);
<FONT face=Arial
color=#0000ff>
<FONT face=Arial color=#0000ff
size=2>//stores the ad calculations in a composite called
~Ad
AddToComposite<FONT
face=Arial>(up,~Ad,<FONT
color=#ff00ff>"C"<FONT
face=Arial>);
AddToComposite<FONT
face=Arial>(dn,~Ad,<FONT
color=#ff00ff>"O"<FONT
face=Arial>);
AddToComposite<FONT
face=Arial>(upvol,~Ad,<FONT
color=#ff00ff>"H"<FONT
face=Arial>);
AddToComposite<FONT
size=2>(dnvol,~Ad,<FONT
color=#ff00ff>"L");
<FONT
color=#282828> <FONT
size=2>
GraphXSpace<FONT
size=2>=15<FONT
color=#0000ff>;
pds=<FONT
size=2>Param("Smoothing
Periods",11<FONT
size=2>,1,<FONT
size=2>20,1<FONT
color=#282828 size=2>);<FONT
color=#282828 size=2>
ADissues=<FONT
size=2>Foreign(Ad,"C"<FONT
color=#282828 size=2>);
Dissues=<FONT
size=2>Foreign(Ad,"O"<FONT
color=#282828 size=2>);
Advol=<FONT
size=2>Foreign(Ad,"h"<FONT
size=2>);// High
vol
Dvol=<FONT
size=2>Foreign(Ad,"l"<FONT
size=2>);//low
vol
addecvol=<FONT
size=2>EMA(Sum<FONT
size=2>(advol,pds),pds)-EMA(<FONT
size=2>Sum<FONT
color=#0000ff>(dvol,pds),pds);
Plot(addecvol,<FONT color=#ff00ff
size=2>"AD VOL",<FONT color=#0000ff
size=2>IIf(addecvol><FONT
color=#ff00ff size=2>0,<FONT
color=#ff00ff size=2>5,<FONT
color=#ff00ff size=2>4),<FONT
color=#ff00ff size=2>2);<FONT
color=#0000ff size=2>
Plot(<FONT color=#0000ff
size=2>EMA(adissues,pds)-<FONT
color=#0000ff size=2>EMA<FONT color=#282828
size=2>(dissues,pds),"A/d"<FONT
color=#282828 size=2>,1<FONT
color=#282828 size=2>,1<FONT
color=#282828 size=2>|<FONT
color=#000000>styleOwnScale<FONT color=#282828
size=2>);
<FONT
color=#0000ff>//Plot(EMA(dissues,pds),"Decliners",4,1);<FONT
color=#0000ff size=2>
PlotGrid(<FONT color=#ff00ff
size=2>0,<FONT
color=#000000>colorWhite);
Title<FONT
size=2>="Advance/Decline"+<FONT
size=2>"\n Advancing Issues " +<FONT
size=2>WriteVal(EMA<FONT
size=2>(Adissues,pds),1.0)+<FONT
size=2>" Declining Issues "+<FONT
size=2>WriteVal(EMA<FONT
size=2>(dissues,pds),1.0<FONT color=#282828
size=2>);
Regards,
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: nb9trade
[mailto:clyde@xxxxxxxxxxx]Sent: Thursday, January 15, 2004 8:01
AMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker] Re:
Advance Declone LineA few more questions1. Since
the a/d applies to a group of stocks, Is there a difference in the way it is
typed or pasted in? Does it go on the indicator builder screen, the same as
other formulas? How do you designate which stocks to consider?2.
What is the proceedure for making it apply to a specific group of stocks?
e.g. NYSE,NASDQ or better a watch list?3. I am assuming that if someone
want the traditional line, it would be easy enought to change the formula?
as belowDifference = ( AdvIssues - DecIssues) ADLine = Cum( DiffSqrt
);Clyde--- In amibroker@xxxxxxxxxxxxxxx,
"Graham" <gkavanagh@xxxx> wrote:> From the help screens>
> 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()> >
Cheers,Send BUG REPORTS to
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