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--- In amibroker@xxxxxxxxxxxxxxx, "global_investor"
<independent_opinion@xxxx> wrote:
> However, the situation might be different for daily bars not generated
> by backfilling, for example the last (rightmost) bar displayed in a
> daily chart. I could imagine that this bar is formed by tick
> aggregation conducted by Amibroker's IQFeed plugin, ie. the plugin
> changes the last bar when it receives a new tick. If this assumption
> is correct, it is of course possible that daily bars (not generated by
> backfilling) contain bad ticks.
depends on what information a tick update contains. For example, if it
contains also the O,H and L fields, no tick aggregation would be
necessary because O,H and L would not have to be calculated by
aggregating the previous ticks.
> If so, a solution would be to manually force a backfill in order to
> override the bars collected by the IQFeed plugin. But I don't know
> whether this can be done with Amibroker, would have to investigate that.
>
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