iqfeed gives you tick level data. so you can go as microscopic as you want to.
--- In
amibroker@xxxxxxxxx ps.com, Dennis Brown <see3d@xxx> wrote:
>
>
> IQ Feed provides different amounts of history depending on the type of
> database you select.
> If you select tick or time database under 1 minute, it only knows
> about a weeks history of data, as all are based on ticks.
> If you select a 1 minute or longer database, you get over a years
> worth of history.
> EOD data is much longer history.
>
> You can find out the details by going to the IQ Feed website.
>
> When you choose a database, AB can aggregate any database to a longer
> timeframe, but it can not make more history than is
there.
> I am finding 1 minute is the best compromise for me for time bars,
> though I have to go to 5 seconds if I want to have volume bars or
> range bars.
>
> Best regards,
> Dennis
>
> On Mar 22, 2009, at 3:10 PM, louies88 wrote:
>
> > Hi there
> >
> > I'm trying to maximize the amount of data that IQ Feed can load in
> > Amibroker. However, there is a little problem. If I choose the
> > smallest time frame, which at current time is 5 ticks, and that if I
> > max out the number of bar, 500000, then I would get a lot of bar on
> > the 5 tick. But when switched over to the hourly, daily chart, I
> > wouldn't get a lot of bar. My question is this: Why can't I get a
> > lot of bar on a LARGER time frame?
> >
> > On the other hand, if I were to max out the number of bars on the
> >
larger time frame, say hourly or daily, then I wouldn't be able to
> > see chart at smaller time frame. Is there a way that I can see the
> > maximum number of bars on both LARGE & SMALL time frame in Amibroker?
>