Re: Using Multiple Data Inputs

[Robert Cavaleri <rcavaler@xxxxxxxxxxxxx>]

Robert Cavaleri wrote:

> Hey gang, I have a few questions.
>
> I have been seeing a lot of queries lately about using multiple data
> inputs in tradestation. Right now, I only have EOD data to play with,
> but let's just say for argument that I wanted to develop a trading
> system that only buys IBM when the NASDAQ is positive (or some index
> that tracks the nas, like QQQ)
>
> 1 How does this get set up when using EOD data?
>
> This kind of leads me to another question,  which I suppose is a little
> broader. I am considering getting a data feed that would allow me to
> develop intra-day trading systems. (and would like to have these systems
> consider other data inputs such as COMPX, SPX.X, etc.) My question about
> data feeds are:
>
> 2. Do you have to 'download' data to run analysis on a security after
> markets close, or do you just stay 'hooked' up to the data server and
> you can instantly analyze anything you want, for as far back as the data
> goes?
> 3. I assume that if you are streaming real-time data, that the data in
> the chart window just streams slowly across your screen, while
> continuously updating any indicators you have open in your graph?
> 3. When streaming real-time data, can you set the 'resolution' of the
> ticks that go by (i.e. 1, 5, 10 minute)?
> 4. When back testing data from your data feed (after market hours) is
> the data 'intra-day' or does it only become 'end of day'? (I hope this
> is not a dumb question, I assume it would be intra-day otherwise testing
> a system that places signals intra-day might be a little difficult...)
>
> If anyone wouldn't mind answering some or all of my questions I would be
> extremely grateful. You guys as always have been a big help in the past.
>
> Regards, and thanks in advance.
>
> Robert

Well, I am a dumbass. I just spent the last few minutes reading about the
global server, and answered questions 3 and 4 myself.


So, what is the general consensus as to what is the best internet-based
real-time data provider? What other considerations should I take into
account other than cost of data, and quality?

Thanks

Robert