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Hi! Roy,
Thanks for the explicit explanation. That really helps.
Best regards,
csong
--- In equismetastock@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@xxxx>
wrote:
> Csong
>
> The difference is because you are not using the same number of bars
for the exploration as you load
> for the chart. My "rule of thumb" is to use 5 times as many bars as
the longest EMA for the
> exploration (750 bars in this case), and from this you should expect
accuracy to about 4 decimal
> places.
>
> The situation arises because of the way an exponential moving
average is constructed. It never
> completely discards any data. Therefore using different lengths of
history will give different
> results.
>
> Roy
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