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The posts at the UKB >> Database Management are designed to give new
users an education into the one of the core skills of using AB (data
+ formulas + backtesting == the core skills).
Don't underestimate the importance of understanding the data we use.
If you want that education start with the first post in DM and use
them as a workbook i.e. start with a newly installed AB directory and
walkthrough (the earlier posts are a pre-requisite for Setup A Custom
Database).
(they do work - at least the last time I was there).
If you don't want that education go straight to the next step (a lot
of people use providers who organize their data for them and they
don't have to 'waste' time on manual intervention and/or don't want
to learn that stuff).
Yahoo data is a marvellous tool for free stockmarket training.
When I started trading I had no prior experience, no programming
experience and no trading friends - I could have saved myself the
$2000 dollars that I paid in data over the first two years because I
wasn't good enough to trade anyway (for me there was so much to
learn).
Others can and do learn at a different pace to me though.
brian_z
--- In amibroker@xxxxxxxxxxxxxxx, "Louis Préfontaine"
<rockprog80@xxx> wrote:
>
> Hi,
>
> I fear I may ask a dumb question, but I don't really understand how
to get
> the historical quotes from Yahoo for all the quotes on NYSE and
NASDAQ... I
> looked at
> http://www.amibroker.org/userkb/2007/11/09/setup-a-custom-database-
nasdaq/
> but it is still not too clear for me...
>
> To Howard: at long term I will use DTN, but DTN is 100$+/month with
> canadian quotes, so it is somewhow expensive for now... And I
think that
> the EOD data should be quite the same... I'm still figuring how
I can
> integrate intraday-EOD data in the same interface, so right now I
have an
> EOD database with DTN and an intraday database with DTN. I would
only add a
> Yahoo EOD database to the whole thing.
>
> Thanks!
>
> Louis
>
> 2008/3/13, brian_z111 <brian_z111@xxx>:
> >
> > > Are the yahoo history quotes free and reliable for
backtesting?
> >
> > Yes, it is free, and deep histories too.
> >
> > This is a contentious subject (AB users disagree on this point).
> >
> > Some of use it for backtesting and some do use it for trading.
> >
> > Personal choice.
> >
> > I have posted on the pros and cons at the UKB >> data >> Yahoo
> >
> > The best thing is to be informed from there and make your own
> > decision.
> >
> > It is definitely good enough to start out (for EOD trading) - when
> > you start to get a couple of good systems then you can repeat the
> > tests on other data (purchased?) and see if you get any
difference.
> >
> > The main point is that Yahoo can be raw or dividend adjusted (it
> > makes a difference) - I also have tried to discuss this at the UKB
> > (not finished yet).
> >
> > brian_z
> >
> > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%
40yahoogroups.com>, "Louis
> > Préfontaine"
> > <rockprog80@> wrote:
> > >
> > > Hi Brian,
> > >
> > > Are the yahoo history quotes free and reliable for backtesting?
> > >
> > > You are right: for NASDAQ and NYSE the tickers are the same for
> > DTN. So I
> > > guess your way could work?
> > >
> > > I will try to work with this tomorrow or this week-end and will
get
> > back to
> > > you with this.
> > >
> > > Thanks!
> > >
> > > Louis
> > >
> > > 2008/3/13, brian_z111 <brian_z111@>:
> > > >
> > > > Sorry,
> > > >
> > > > An incorrect assumption on my part.
> > > > I don't know anything about DTN.
> > > > Usually the tickers are the same except for indices.
> > > >
> > > > Someone else can probably help with DTN - apologies for
wasting
> > your
> > > > time.
> > > >
> > > > Yes, Yahoo definitely works - simple import and also with the
> > setup
> > > > methods I use there.
> > > >
> > > > A lot of people don't like Yahoo data though.
> > > > I use it for backtesting but not live.
> > > >
> > > > brian_z
> > > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%
40yahoogroups.com><amibroker%
> > 40yahoogroups.com>, "Louis
> > > > Préfontaine"
> > > > <rockprog80@> wrote:
> > > > >
> > > > > Hi Brian,
> > > > >
> > > > > Thanks for your reply.
> > > > >
> > > > > I see that the quotes used come from yahoo... However I use
data
> > > > from DTN,
> > > > > so the ticker name should be different. So even if I can
> > download
> > > > every
> > > > > tickers from yahoo, I would have to manually change the
ticker
> > name
> > > > so it
> > > > > can upload automatically. Is there a way to avoid this?
> > > > >
> > > > > Also, are you sure it is possible to get the quotes from
yahoo?
> > I
> > > > remember
> > > > > I tried some times ago and wasn't able to do it.
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Louis
> > > > >
> > > > > 2008/3/13, brian_z111 <brian_z111@>:
> > > > > >
> > > > > > Hello Louis,
> > > > > >
> > > > > >
> > > > > > > Is there a way to download a LOT of tickers,e.g. every
> > tickers
> > > > on
> > > > > > >the
> > > > > > > NASDAQ, or DJI? Do I have to manually enter each tickers
> > after
> > > > the
> > > > > > >other or
> > > > > >
> > > > > > > is there a faster and simplier way?
> > > > > >
> > > > > > Yes, there is.
> > > > > >
> > > > > > There are some posts at the UKB that walk you through the
> > basics.
> > > > > >
> > > > > > Setup A Custom Database is the main one.
> > > > > >
> > > > > > It shows you how to get ticker lists and how to use them
in
> > AB.
> > > > > >
> > > > > > http://www.amibroker.org/userkb/
> > > > > >
> > > > > > Look under DataBase Management.
> > > > > >
> > > > > > brian_z
> > > > > >
> > > > > > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%
40yahoogroups.com><amibroker%
> > 40yahoogroups.com><amibroker%
> > > > 40yahoogroups.com>, "Louis
> > > > > > Préfontaine"
> > > > > > <rockprog80@> wrote:
> > > > > > >
> > > > > > > Hi,
> > > > > > >
> > > > > > > Is there a way to download a LOT of tickers,e.g. every
> > tickers
> > > > on
> > > > > > the
> > > > > > > NASDAQ, or DJI? Do I have to manually enter each tickers
> > after
> > > > the
> > > > > > other or
> > > > > > > is there a faster and simplier way?
> > > > > > >
> > > > > > > Thanks,
> > > > > > >
> > > > > > > Louis
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > >
> >
> >
> >
>
------------------------------------
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