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Rink, this is a consequence of the amount of data you are requesting to be processed.
The more you have, the slower it goes.
When charting, Amibroker will only use as much data as is necessary to correctly calculate the indicators you have plotted. E.g. You might have half a million bars of data, but Amibroker might only need 500 to display all your indicators properly so this will render quickly. If it was to use the whole lot, then this would definitely cause some lag.
In your case, it sounds like it might be requiring a lot of data.
To find out, go to Tools->Preferences->Miscellaneous and turn on "Display chart timing (advanced)".
Now you will see some status info displayed at the bottom of the chart. This will tell you how many "# extra bars back" it is using. It defaults to at least 30 and anything in the thousands or tens of thousands is possibly cause to ask why.
Regards,
Jules.
--- In amibroker@xxxxxxxxxxxxxxx, rink <boyrinku@xxx> wrote:
>
> Hello all
> when i use 5min chart of a symbol which have 9 years data amibroker
> chart become so slow(means become so slow to go back when we roll mouse
> button) i tried to change database setting with high numbers of bars but
> it still slow,
> but when i change chart to 15min or higer it become fast
>
> tell me if there is any solution
> thank you
>
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