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Here's the Hurst DE AFL I previously mentioned I would post ...
It INCLUDES PolyFit.AFL, which you can get at the AB library, in order to do
the extrapolations.
Functionality
- You can plot up to 5 lengths ... This can be increased with the inclusion
of one or two statements if desired.
- Bands at the moment are percentage oriented, but it would be relatively
simple to allow them to be based on StDev as well.
- Always works up to the bar YOU select by creating CMA's ( my version,
slightly modified for additional smoothness ) up to n/2 bars ( Where n in
the CMA Length ) prior and then extrapolating from that point on.
- Extrapolation will always be at least to the bar you selected and can be
extended beyond that by parameter selection.
- Band color change ( Dark to Light ) and Down / Up triangles show where
CMA's end and Extrapolation begins.
- The extrapolation portion of any given band can of course change after the
fact for any given bar but once a CMA for a particular bar has been
calculated it is in essence frozen from that point forward.
There is then NO forward looking of this AFL ... It does however purposely
offset arrays so that it can plot beyond the last bar in the chart.
See attached macro & detailed views and afl ...
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