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Amibroker does not save bid/ask information so you cannot plot it.
The ability to plot and backtest using tick data along with bid/ask
information data would be a great feature. If it can be implemented
in the software architecture of AB, this would be an excellent
differentiator for the product.
jehmac
--- In amibroker@xxxxxxxxxxxxxxx, "treliff" <treliff@xxxx> wrote:
> I'm using the standard edition but the availability of the new
> GetRTData function definitely had me upgrade to professional,
> expecting it to enable me to plot Bid and Ask charts, or better:
use
> Bid and Ask in indicator definitions.
>
> Contrary to the function description info I DO retrieve the real-
> time Bid/Ask data in the standard edition, however using simply
>
> Bid = GetRTData("Bid");
> Plot(Bid,"Bid",colorGreen);
>
> I find only a horizontal line shifting up and down adjusting only
to
> the LAST Bid value. Yes, indeed the function description says
>
> "
> Retrieves the LAST (the most recent) value of the following fields
> reported by streaming real time data source:
> "Ask" - current best Ask price
> "AskSize " - current Ask size
> "Bid" - current best Bid price
> "BidSize " - current Bid size
> etc.
> "
>
> Now I used the IB feed, but I am wondering:
> - Since eSignal and QCharts do save previous Bid and Ask data
> on their servers, does using these feeds make it possible to plot
> true Bid/Ask charts, and/or use Bid/Ask data in indicator
> definitions?
> - Or is there something here that the professional version can
> do while the standard can not?
> - Or can I somehow enable saving previous Bid/Ask data in
> AmiBroker?
>
> Thanks for any suggestions or advice.
>
> -treliff
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