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[amibroker] Re: Calendar Dates vs Trading Dates



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Trading Reference Links

Example: we can count 140 trading and 204 calendar days from the 
recent ^NDX lowest, exploring ^NDX for the n=1 last quotation with

CAL=Foreign("CALCOUNTER","V");
C1=ValueWhen(L==Lowest(L),Cum(1));
C2=ValueWhen(L==Lowest(L),CAL);
Filter=1;
// AddColumn(Cum(1),"");AddColumn(CAL,"");
// AddColumn(C1,"");AddColumn(C2,"");
AddColumn(Cum(1)-C1,"TR DAYS",1.0);
AddColumn(CAL-C2,"CAL DAYS",1.0);
DT
--- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx> 
wrote:
> Peter,
> Peter,
> A simple solution was to create in EXCEL a new ticker like
> <TICKER>,<DDMMYYY>,<OPEN>,<HIGH>,<LOW>,<CLOSE>,<VOL>
> CALCOUNTER,1/1/2000,1,1,	1,1,1
> CALCOUNTER,2/1/2000,1,1,	1,1,2
> CALCOUNTER,3/1/2000,1,1,	1,1,3
> CALCOUNTER,4/1/2000,1,1,	1,1,4
> CALCOUNTER,5/1/2000,1,1,	1,1,5
> CALCOUNTER,6/1/2000,1,1,	1,1,6
> CALCOUNTER,7/1/2000,1,1,	1,1,7
> CALCOUNTER,8/1/2000,1,1,	1,1,8
> ...
> adding +1 for every new date in Volume field and import it.
> Now, in IB I have two counters, the trading and the calendar days 
with
> Plot(Cum(1),"TRADING DAYS",1,1);
> CAL=Foreign("CALCOUNTER","V");
> Plot(CAL,"CALENDAR DAYS",4,8);
> It requires the minimum [IMO] coding background.
> Its use has only historical value after the DayOfYear() built-in 
> function.
> Will you visit  Greece this summer ?
> Dimitris Tsokakis 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "bluesinvestor" <investor@xxxx> 
> wrote:
> > Dimitris and Ken,
> > 
> > Also see http://groups.yahoo.com/group/amibroker/message/39320 ...
> > 
> > Regards,
> > Peter
> > 
> > -----Original Message-----
> > From: DIMITRIS TSOKAKIS [mailto:TSOKAKIS@x...] 
> > Sent: Wednesday, April 30, 2003 4:18 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Re: Calendar Dates vs Trading Dates
> > 
> > Ken,
> > as I wrote, the code is not perfect, missing some weekends 
falling 
> on 
> > the beginning of the month. It was the first idea. But, in the 
mean 
> > time, a new DayOfYear function is available to make these 
> > calculations dirrect and simple.
> > DT
> > --- In amibroker@xxxxxxxxxxxxxxx, "Ken Close" <closeks@xxxx> 
wrote:
> > > DT: thanks for the code....I will now compare it to 
the "slightly"
> > > longer Julian code that Bob J shared and see what happens.
> > > 
> > > Ken
> > > 
> > > -----Original Message-----
> > > From: DIMITRIS TSOKAKIS [mailto:TSOKAKIS@x...] 
> > > Sent: Wednesday, April 30, 2003 6:23 AM
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: [amibroker] Re: Calendar Dates vs Trading Dates
> > > 
> > > Ken,
> > > the exploration [select current stock from Jan04, 2000 till now]
> > > 
> > > x=1+DateNum()-ValueWhen(Cum(1)==1,DateNum());
> > > Cond=x-Ref(x,-1)>10;
> > > diff=Cum(Cond*(x-Ref(x,-1)));
> > > Counter=x-diff+(Year()-2000)*12+Month()-1;
> > > Filter=1;
> > > AddColumn(Counter,"COUNTER",1.0);
> > > gives a good [not perfect yet] calendar counter.
> > > DT
> > > > -----Original Message-----
> > > > From: Ken Close [mailto:closeks@x...]
> > > > Sent: Tuesday, April 29, 2003 4:26 PM
> > > > To: amibroker@xxxxxxxxxxxxxxx
> > > > Subject: RE: [amibroker] Calendar Dates vs Trading Dates
> > > > 
> > > > 
> > > > Thanks Bob. I hope I get something more specific. I imagine 
> there 
> > is
> > > > some manipulation of the DateNum() function but I have not 
been 
> > > able to
> > > > figure it out.
> > > > 
> > > > Ken
> > > > 
> > > > -----Original Message-----
> > > > From: Bob Jagow [mailto:bjagow@x...]
> > > > Sent: Tuesday, April 29, 2003 4:34 PM
> > > > To: amibroker@xxxxxxxxxxxxxxx
> > > > Subject: RE: [amibroker] Calendar Dates vs Trading Dates
> > > > 
> > > > I don't believe AB has a clue re calendar vs. trading days; 
you 
> > > need the
> > > > difference in Julian days.
> > > > If you don't want to use a JDay dll and only need to know, 
for 
> > > example,
> > > > when the .75% Fido commission expires, consider a 30 days
> > > > has Sept.... lookup.
> > > > 
> > > > Bob
> > > > 
> > > > -----Original Message-----
> > > > From: Ken Close [mailto:closeks@x...]
> > > > Sent: Tuesday, April 29, 2003 1:10 PM
> > > > To: AmiBroker List
> > > > Subject: [amibroker] Calendar Dates vs Trading Dates
> > > > 
> > > > 
> > > > Help....I want to count the number of calendar days since a 
buy 
> or
> > > > short...
> > > > 
> > > > I have read msg # 16104 about creating a For loop inside a 
> > Jscript, 
> > > but
> > > > frankly can not understand what it is advising.
> > > > 
> > > > Can someone show me a simple way to determine the number of 
> > calendar
> > > > days that have elapsed?  Maybe the new For loop can help?
> > > > 
> > > > I want to code in a "close trade" flag if there are more than 
x 
> > > number
> > > > of calendar days since the trade was initiated.  Because of 
> other
> > > > aspects of the code, I do not want to (can not) use the dll 
> time 
> > > stop
> > > > that is in the files area.
> > > > 
> > > > Any help would really be appreciated.
> > > > 
> > > > Ken
> > > > 
> > > > 
> > > > 
> > > > 
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