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Research method

Alpha-beta filter

Alpha-beta filter is a canonical archive-taxonomy method; this registry entry defines its inputs, output and use boundary.

Output
Conditional forecast or research filter
Input
Ordered price, volume or breadth observations
Horizon
A defined sampling interval and lookback
Best use
Compare an explicit quantitative baseline with an out-of-sample result.

Registry evidence level: backtested. This is a navigation record, not a performance claim.

  • Input: Ordered price, volume or breadth observations.
  • Output: forecast.
  • Use boundary: Compare an explicit quantitative baseline with an out-of-sample result.
The archive

Where the method has been read

Read in the archive7 readings

1985Constructing a recursive two-gain price smootherIndicators and filters1989Alpha-beta lag parameters versus moving-average windowsIndicators and filters1989Constructing alpha-beta price channels and trend filtersIndicators and filters1995Constructing a reproducible alpha-beta price channelTrend and channels2006Shared coefficient construction for recursive price filtersIndicators and filters2010How to judge a Kalman filter forecast as a Trend filterIndicators and filters2019Constructing a calendar-conditioned trend filterIndicators and filters
This registry entry describes a research method. It is not investment advice and does not make a performance claim.