jmikes

Pocket Pivot with extrapolated Volume and Moving Averages

jmikes Pro Diupdate   
The script shows historical pocket pivots , much as other scripts with a green diamond shape on the volume pane.
When the market is open, the current bar, however, is extrapolated to the end of the day using a sixth-order polynomial.
Thus real-time pocket pivots are shown. To work properly, the user must input a time-zone offset parameter; the default is west coast USA.
Time-zone offset is -12 hours to +12 hours compared to the NYSE exchange time zone (USA west coast: -3.)
The volume extrapolation polynomial is based on a historical NASDAQ intraday volume model developed locally by a team.
Only ten-day lookback pocket pivots are computed as defined initially by Dr . Chris Kacher. (The default lookback can be changed by the user.)
Only pocket pivots are shown where the low of the daily bar is within user-defined proximity to the 50-day moving average or 10-day moving average (for continuation pocket pivots .)
Catatan Rilis: Original script incorrectly computed end of trading day and beginning of trading day by subtracting the timezone offset from the NYSE market time.
The corrected script adds the timezone offset to correctly use that term.
Catatan Rilis: The prior indicator applied extrapolation to volume on weekends: this is not proper. Added line to test if the market is closed (session.ismarket ==false).
Also tweaked the lineWidth default value to equal 4.
Catatan Rilis: Modified method to turn off extrapolation on weekends by testing if dayofweek(time) == dayofweek.saturday or dayofweek.sunday.
Erroneously extrapolating volume on weekends has been a bug since the beginning and it has taken me time to learn of the above test. The remaining hole in the strategy are market holidays and short trading sessions. I do not have a method for this.
Catatan Rilis: Removed requirement for setting local time zone offset
Catatan Rilis: Yet again getting the extrapolation disabled on weekends. My errors.
Catatan Rilis: Yet again trying to disable the extrapolation function on weekends...
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