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Jayson,
regarding your kind aswer a while ago, I´d still
like to use your expertise.
A few things still aren´t clear to me:
1./don´t I have to divide the composite values
of open, high, low and close (each) thru the number of symbols computed to
get an AVERAGE price? Otherwhise, the price of all securities maybe just
summed up but no AVERAGE price would be computed, right? Can´t I specify
this in addtocomposite directly instead of having to create a separate
indicator???????
2./ You mentioned data
holes and recommended to smoothem by dividing by "V". Isnt´that exactly what I´m
asking at 1./ above?Insn´t there another flaw that we include stocks to our
composites that have differing lastvalue(cum(1)) values??
Take for instance two stocks one of which has 200
bars and the other has 400 bars of which the composite index is to be
created.
Wouldn´t we then get weird data since the stock
with only 200 bars would impact on the chart after 200 (actually
199) days??
Shouldn´t we thus check that all the stocks
included in our composite tickers have the SAME # of bars, i.e. ALL contribute
to the index EVERY day on the chart? Otherwhise the index chart could jump
around and create wrong impression similar to what you referred to as data
holes, right?
How could I specify that in my
addtocomposite()?
3./ How could I admit only stocks to my
indices with an MA(vol,50)>20,000? By putting that in a filter IN
FRONT of the addtocomposite function or by using and IIF statement
WITHIN the addtocomposite statement ITSELF??
4./ I put the following code in a separate indicator window. Note that I
used PlotOHLC since I wanted bar charts.
The weird thing is that I get bar charts but in the tool tip windwo, I get only
the bars closing price!!! Why is that??? <FONT face="Courier New"
color=#6600aa>
sym="~"<FONT
face="Courier New" color=#6600aa>+<FONT face="Courier New"
color=#0000ff>IndustryID<FONT face="Courier New"
color=#6600aa>(1<FONT
face="Courier New" color=#6600aa>);<FONT face="Courier New"
color=#000000>
C=<FONT
face="Courier New" color=#0000ff>Foreign<FONT face="Courier New"
color=#6600aa>(sym,"C"<FONT
face="Courier New" color=#6600aa>);<FONT face="Courier New"
color=#000000>
O=<FONT
face="Courier New" color=#0000ff>Foreign<FONT face="Courier New"
color=#6600aa>(sym,"o"<FONT
face="Courier New" color=#6600aa>);<FONT face="Courier New"
color=#000000>
H=<FONT
face="Courier New" color=#0000ff>Foreign<FONT face="Courier New"
color=#6600aa>(sym,"h"<FONT
face="Courier New" color=#6600aa>);<FONT face="Courier New"
color=#000000>
L=<FONT
face="Courier New" color=#0000ff>Foreign<FONT face="Courier New"
color=#6600aa>(sym,"l"<FONT
face="Courier New" color=#6600aa>);<FONT face="Courier New"
color=#000000>
V=<FONT
face="Courier New" color=#0000ff>Foreign<FONT face="Courier New"
color=#6600aa>(sym,"V"<FONT
face="Courier New" color=#6600aa>);
PlotOHLC(<FONT
face="Courier New" color=#000000>O<FONT face="Courier New"
color=#6600aa>,<FONT face="Courier New"
color=#000000>H<FONT face="Courier New"
color=#6600aa>,<FONT face="Courier New"
color=#000000>L<FONT face="Courier New"
color=#6600aa>,<FONT face="Courier New"
color=#000000>C,<FONT
face="Courier New" color=#ff00ff>"Group index"<FONT face="Courier New"
color=#6600aa>,<FONT face="Courier New"
color=#000000>colorWhite<FONT face="Courier New"
color=#6600aa>,<FONT face="Courier New"
color=#000000>styleBar);
Markus
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A title=jcasavant@xxxxxxxxxxxx
href="">Jayson
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, April 24, 2003 4:04
PM
Subject: RE: [amibroker] Creating IM200
indices - JAYSON
<SPAN
class=678142113-24042003>Markus,
see
answers below...
<SPAN
class=678142113-24042003>
Hello Jayson,
don´t ya worry!
You´ve already helped me a great
deal in understanding the "basix" of
Addtocomposite.
1./ somehow my indices have been stored in
-->markets-->market253 AND group 253. While I
understand the latter, I don´t understand the former. Is this a MUST?<FONT
color=#0000ff><SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>I think markets 253 is equivalent to All your stocks
and tickers. I am not sure what you are doing but I tend to break that group
into watch lists for testing and explorations. For instance you could create a
watch list of Nas 100 stocks. This watchlist would contain stocks that reside
in the new list AND market
253........
2./ I used the "x" option for the field
code, figuring that would enable me to make a bar chart from it (since OHLC
are updated). But this is NOT the case. I get only. No way to produce a bar
chart as in HGS/QP2 from it?? I thought of generating 4 ATC´s (one for Open,
one for High etc.) but how to bring those together in one index bar for each
trading day :-((((<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>Yes you may plot candles but think about what you
were trying to do....
<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003><FONT
face=Arial> AddToComposite(<FONT
color=#000000>C<FONT
color=#282828>,sym,"X"<FONT
color=#282828>); would not this populate closing value through out all
the fields? try......<FONT
color=#0000ff>
<SPAN
class=678142113-24042003>
<FONT
color=#0000ff> <FONT
size=2>
AddToComposite(<FONT
color=#000000>C<FONT
color=#282828>,sym,"C"<FONT
color=#282828>);<FONT
size=2>
AddToComposite(<FONT
color=#000000>O<FONT
color=#282828>,sym,"O"<FONT
color=#282828>);<FONT
size=2>
AddToComposite(<FONT
color=#000000>H<FONT
color=#282828>,sym,"H"<FONT
color=#282828>);<FONT
size=2>
AddToComposite(<FONT
color=#000000>L<FONT
color=#282828>,sym,"L"<FONT
color=#282828>);<FONT
face=Arial>
AddToComposite(<FONT
color=#ff00ff>1,sym,<FONT
color=#ff00ff>"V"<FONT face=Arial
size=2>);<FONT
color=#0000ff>
<SPAN
class=678142113-24042003>
Plotting your
ticker now will show the appropriate OHLC data. Unfortunately if you
have any holes in your data they may cause misleading candles. By dividing the
values by the number of calculations in each composite you can smooth these
errors. To plot this create a custom indicator
<SPAN
class=678142113-24042003>
<FONT face=Arial color=#000000
size=2>
C=<SPAN
class=678142113-24042003> c /V<FONT
color=#282828><FONT
color=#0000ff>;<FONT
size=2>
O=<SPAN
class=678142113-24042003> o /V<FONT
color=#282828>;<FONT
color=#0000ff>
H=<SPAN
class=678142113-24042003> h /V<FONT
color=#282828><FONT
color=#0000ff>;<FONT
size=2>
L=<SPAN
class=678142113-24042003> L /V<FONT
color=#282828>;
<FONT face=Arial color=#000000
size=2>
Plot(<FONT
color=#000000>C<FONT
color=#282828>,"Sector Index"<FONT
color=#282828>,<FONT
color=#000000>colorWhite<FONT
face=Arial>,<FONT
color=#000000>styleCandle<FONT
face=Arial size=2>);
or better yet..If
you want to plot your index in the same chart as a component stock
try........
<FONT
face=Arial>
sym="~"+SectorID(1<FONT
face=Arial color=#0000ff>);<FONT
color=#0000ff>
C=Foreign(sym,"C")/V<FONT
face=Arial color=#0000ff>;<FONT
size=2>
O=Foreign(sym,"o")/V<FONT
color=#282828>;<FONT
color=#000000>
H=Foreign(sym,"h")/V<FONT
face=Arial color=#0000ff>;<FONT
size=2>
L=Foreign(sym,"l")/V<FONT
color=#282828>;
Plot(<FONT
color=#000000>C<FONT
color=#282828>,"Sector Index"<FONT
color=#282828>,<FONT
color=#000000>colorWhite<FONT
face=Arial>,<FONT
color=#000000>styleCandle<FONT
size=2>);<SPAN
class=678142113-24042003> For separate window or add
|styleownscale for the same window
AB will determine
what sector (or industry in your case) the stock belongs to then automatically
plot the index for that stock. I use this approach daily to compare the stocks
RSI and the sectors or the stocks momentum and the sectors or to measure the
stocks correlation to the sectors etc
<SPAN
class=678142113-24042003>
<IMG alt=""
hspace=0 src="gif00274.gif" align=baseline
border=0>
<SPAN
class=678142113-24042003>
3./ It makes me wonder that the newly
created indices (in our case the IM200´s) have to be updated EVERY day
MANULY(running the scan). Is there no workaround for this (i.e. store the
calculated day somewhere and onl update the LAST session as with regular stock
data??).<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>The calculations needed require a look at your whole
universe. Just save your scan and run it... think of it as part 2 of your
daily update. It take but a moment. IMO this feature alone is worth the
price of admission to AB. I used to do all this work as a QP scan then export
to excel, sort, calculate and import to metastock. If I missed a day I had to
rewrite the scan to get yesterdays data etc, etc. With AB the composite is
re-created each day so if I miss a day, no problem. If QP makes an adjustment,
no problem.
<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>I have one scan that creates all my sector
composites, all my industry composites, and several market breadth composites.
It takes my old P600 system about 2 minutes to do the work then AB even sends
them to the appropriate watch list for further analysis. Super
feature........
<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>Regards,
<SPAN
class=678142113-24042003>
<SPAN
class=678142113-24042003>jayson
Highly appreciate your help!!!!
Thanx
Markus
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A title=jcasavant@xxxxxxxxxxxx
href="">Jayson
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, April 24, 2003 6:38
AM
Subject: RE: [amibroker] Creating IM200
indices - JAYSON
<SPAN
class=855470704-24042003>JMarkus,
<SPAN
class=855470704-24042003>
I
have been gone most of the afternoon. Sorry to leave you hanging. Answers
below......
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: <A
href="">funnybiz@xxxxxx
[mailto:funnybiz@xxxxxx]Sent: Wednesday, April 23, 2003 5:26
PMTo: <A
href="">amibroker@xxxxxxxxxxxxxxxSubject:
Re: [amibroker] Creating IM200 indices - JAYSON
Anthony,thanks for stepping in here.If I
may:1./ does Jayson´s SYM variable refer to the array part of the
addtocompositefunction. If so, why is it not put in parenthesis (though
this results in anerror).<FONT face=Arial
color=#0000ff size=2>
<FONT
size=2>The line
<FONT
size=2>
<FONT
size=2>sym="~"+sectorid(1)
<FONT
size=2>
<FONT
size=2>looks at each stock you scan and places "~" + the
sector ID for that stock in its place. If, for
instance the stock resides in the Utilities Sector then AB notes this and
returns sym= "~Utilities". Addtocomposite grabs this shorthand and
Therefore the next line <FONT
face=Arial>
AddToComposite(<FONT
color=#000000>C<FONT
color=#282828>,sym ,"C"<FONT
color=#282828>); <SPAN
class=855470704-24042003> becomes
addtocomposite(c,"~utilities","C");
<FONT
color=#0000ff>This is repeated for each stock
scanned. addtocomposite then simply looks to the stocks sectorid and places
the data in the appropriate
ticker
2./ sym="~"+SectorID(1);// this does sectors for industry groups
useindustryid(0)I don´t understand Jayson´s remark here: WHICH
stocks does that include? Iwant to include all stocks belonging to the
same of the 200 industry groups.<FONT
face=Arial color=#0000ff size=2>
<FONT face=Arial
color=#0000ff>Sectorid(1) returns the 12 sectors (Capital goods, utilities,
financials etc) If you want industry groups then replace that line
with
<FONT face=Arial
color=#0000ff>sym="~"+industryID(1);
<SPAN
class=855470704-24042003><FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial
color=#0000ff>Ab will look at all the stocks in your scan. All the stocks
with with the same industryID will be counted in the appropriate composite
Ticker. 3./ if I wanted to create an
index for all the 200 used industry groups(Quotes Plus Two), would I
have to write this code 200 times??<FONT
face=Arial color=#0000ff size=2>
<FONT face=Arial color=#0000ff
size=2>No... See above... AB does all the grunt work for
you... 4./ would I have to run the scan EVEREY
day to bring my Addtocomposites upto date?<SPAN
class=855470704-24042003><FONT face=Arial color=#0000ff
size=2>
<FONT
face=Arial>Yes. the scan will create/update all 200 industry groups and
store them in group 253 (the default location for your Composites. You may
also create watch lists of these tickers to separate
them. For instance I have a watchlist with just the 12 sectors, a second for
the industry group tickers
etc.... 5./ I added "flag=16" which
gave me an error. How do I have to specify if Iwant to use
addtocomposite in exploration mode?<FONT
face=Arial color=#0000ff size=2>
<FONT face=Arial color=#0000ff
size=2>flag=16 is a description.... just add comma 16
AddToComposite(<FONT
color=#000000>C,sym ,<FONT
color=#ff00ff>"C"<SPAN
class=855470704-24042003> <FONT
face="Courier New" color=#ff00ff>,16 );
Many thanks for your
help!Markus----- Original Message -----From: "Anthony
Faragasso" <ajf1111@xxxxxxxx>To:
<amibroker@xxxxxxxxxxxxxxx>Sent: Wednesday, April 23, 2003 8:37
PMSubject: Re: [amibroker] Creating IM200 indices -
JAYSON> Also...do not forget to add this dummy line...which
is needed forscanning.>>
Buy=0;>>>> Send BUG REPORTS to
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