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> 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, "Louis Préfontaine"
<rockprog80@xxx> 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@xxx>:
> >
> > 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>, "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>, "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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