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Re: [amibroker] Re: myTrack plugin in EOD mode



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Dear Olivier,

1. 
a)
You can NOT have 'maximum number of streaming symbols' = 10000 !
MyTrack supports 20-200 simultaneously streaming symbols MAXIMUM depending on subscription level.

If you set this to 10000 no doubt it will NOT work.

You should start FRESH with NEW database and set 
'maximum number of streaming symbols' according to your SUBSCRIPTION maximums.
Ask myTrack people for the limit of simultaneously streaming symbols.

b) if you want to update/ backfill more than the limit is you have to run
SCAN over database with "WAIT FOR BACKFILL" marked in the Auto Analysis window.
Otherwise it will NOT work because you will be exeeding the limits of myTrack.

myTrack DROPS requests if they exceed maximums without any notice/warning
so no doubt you will NOT get any quotes above myTrack maximums.

2. Last bar *IS* updated in real-time. And of course you CAN DO real time scans on EOD database.

But... only as many symbols can be updated in real time as your SUBSCRIPTION LIMIT IS.
**************************************************************************

This depends on SUBSCRIPTION LEVEL.
Please ask myTrack support how many simultaneously steaming symbols do you
have in your subscription level (this varies).
Anyway 10000 is WAY TOO MUCH (actually NO internet-based feed can deliver that)
and it is NOT supported by myTrack feed.

To get 10000 symbols in real time you would need to have DEDICATED SATTELITE DISH
that could cope that huge amounts of data transmitted.

One may use "wait for backfill' feature to scan for more than your subscription limit is,
note however that this is SLOWER and PUTS significant load on myTrack servers.
At any time they can terminate your subscription if you put too much load on their servers.

Last thing:
the address to get technical support and answers from support is 
support@xxxxxxxxxxxxx

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message ----- 
From: "olivier_molongo" <olivier_molongo@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Sunday, August 03, 2003 5:20 PM
Subject: [amibroker] Re: myTrack plugin in EOD mode


> I did loaded the list on NYSE and Nasdaq symbols in a new database 
> with the EOD set up. With
> 
> Maximun number of streaming symbol = 10000
> 
> now whenever I select one of the symbols of my list I get the data 
> for this symbols backfilled with MyTrack plug in. In RealtimeQuote I 
> can get as many symbol I wish in realtime. I still have 2 problems:
> 
> 1- Data are not backfilled automatically. I need to double click on 
> each symbol to do that. If I go to QuickMarketReview I can see that 
> I have data on 01/08/03 for only a few symbols (those I double-
> clicked on before). That is a problem, it means that the database is 
> not updated automatically. Is there a way to automatically update it 
> with MyTrack data?
> 
> My biggest problem is that:
> 
> 2- The last bar is not updated in realtime. Is that normal. You seem 
> to think it is. If so it means that it is NOT POSSIBLE TO RUN 
> REALTIME SCANS ON A DAILY DATABSE WITH AMIBROKER.
> 
> Can the Amibroker support guys confirm this statement?
> 
> Thanks,
> Olivier
> 
> 
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "jehmac" <jehmac@xxxx> wrote:
> > Here is my guess as to what is happening. Perhaps TJ can correct 
> me 
> > if I am wrong. 
> > 
> > When you select EOD as you base interval, the myTrack plugin will 
> > probably only query the historical servers for data. Therefore you 
> > will never see the last daily bar updated in real-time. Do you get 
> > any updates in the real-time quote window? That would also be a 
> clue.
> > 
> > BTW, once you pick a base interval for your database, you should 
> not
> > change it, as you will end up corrupting your database.
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "olivier_molongo" 
> > <olivier_molongo@xxxx> wrote:
> > > Hi Jason,
> > > 
> > > Thanks for your help. I have now 2 databases. The RT 1min bar 
> works 
> > > fine but I have a problem with the EOD database. I built it with 
> > > Yahoo and then switched to my RT vendor MyTrack. The problem is 
> > that 
> > > AB does not retrieve data from MyTrack on this EOD database 
> > although 
> > > I set it properly (I think).
> > > 
> > > Here is the set up I use:
> > > 
> > > Data source: MyTrackRTDataPlug-in
> > > Local data storage : Enable
> > > Number of bars: 10000
> > > Base interval: 1min
> > > Proxy port: 1030
> > > 
> > > For instance today I only have data until 31/07/03. AB does not 
> > > retrieve the last bar. If I delete a stock and create it again I 
> > get 
> > > no data at all. 
> > > 
> > > The other database works well with the same set up.
> > > 
> > > What did I do wrong? How can I get RT data on my daily graph? I 
> > need 
> > > these graphs to be updated in realtime to run real time scans 
> with 
> > > AB.
> > > 
> > > I would appreciate your help.
> > > 
> > > Regards,
> > > Olivier
> > > 
> > > 
> > > 
> > > 
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Jayson" <jcasavant@xxxx> 
> wrote:
> > > > Oliver,
> > > > Most people keep two databases simply to keep the database 
> > > smaller. Consider
> > > > that a single day of 1 minute bars equals something like 390 
> bars 
> > > and you
> > > > can see how large a 5 or ten year history will become. Also 
> > > consider that
> > > > your RT vendor probably only supplies you with less than 30 
> days 
> > of
> > > > backfill. If you simply wish to see your EOD data in RT you 
> can 
> > > simply
> > > > create your EOD data base then change the plugin during the 
> day 
> > to 
> > > your RT
> > > > vendor and all is well.
> > > > 
> > > > As for your second question ......take a look at the ref() 
> > > function. If you
> > > > are new to programming you may wish to take a look at William 
> > > Peters
> > > > "Powerscan" software which allows for easy construction of 
> scans 
> > > with little
> > > > programming needed.....
> > > > 
> > > > Regards,
> > > > Jayson
> > > > -----Original Message-----
> > > > From: olivier_molongo [mailto:olivier_molongo@x...]
> > > > Sent: Wednesday, July 30, 2003 6:30 AM
> > > > To: amibroker@xxxxxxxxxxxxxxx
> > > > Subject: [amibroker] (unknown)
> > > > 
> > > > 
> > > > Hi all,
> > > > 
> > > > I just bought the software and I need some help to set it up. 
> I 
> > use
> > > > it with Mytrack and I am quite suprise because it seems I have 
> to 
> > > set
> > > > up 2 databases: one for realtime and another one for EOD data. 
> > That
> > > > is strange, is there a workaround for this? I want a single 
> > > database
> > > > with EOD and realtime data.
> > > > 
> > > > I need to write some basic scans, do you know how to get in the
> > > > language for instance, the close of yesterday or 4 bars ago, 
> the 5
> > > > days ma as of yesterday...
> > > > 
> > > > I would appreciate your help and tips regarding Amibroker.
> > > > 
> > > > Thanks
> > > > Olivier
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
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> 
> 
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