ASI - Accumulative Swing Index

Technical Analysis - Indicators of Technical Analysis
Accumulative Swing Index was created by J. W. Wilder. It was published in his "New Concepts in Technical Trading Systems" book in 1978.


Accumulative Swing Index consists of continual cumulation of Swing Index values (see Swing Index). While Swing index makes its calculations based on the last two candles, ASI cumulates these values, so it shows the long-term trends. If the ASI value is positive, it means the trend is rising. Should it be negative, the prevailing trend would be falling. Values around zero mean the long-term trend stagnates.


Accumulative Swing Index Calculation:

ASI = ASI n-1 + SI n


ASI n-1 = Accumulative Swing Index of the previous period

SI n = Swing index of the actual period


How to use the indicator:

  • ASI copies the Price graph very well by its shape, so it can be used to follow the positive and negative divergences. The divergences are quite rare, but once they occur, the more reliable they are.
  • It can be also used to confirm the prevailing trend. Once the ASI curve is in accordance with the one in the price graph, the trend is confirmed. Beware od trends that are not confirmed by the ASI indicator.
  • Another possibility is to identify the Supports and Resistances using ASI.

 

If you are interested in a deeper study of this technical indicator and prefer ready to serve solutions, this may be of  interest to you. There you can find all the available indicators in Excel file for download.
 

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