Parabolic SAR (stop-and-reverse)

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The Parabolic SAR (stop-and-reverse) function was developed by J. Welles Wilder, Jr. It is a lagging technical indicator that can help you to determine when a stock is set to have a change in trend. Applications of Parabolic SAR include generation of buy-sell signals and, in particular, determining when to exit from trades.

1. Syntax

PARABOLSAR(d0,d1,s0,s1)

2. Input

The Parabolic SAR formula requires the following input series:

  • d0 - High data values - The first set of data values for which the Parabolic SAR is calculated, usually the daily high price of a stock.
  • d1 - Low data values - The second set of data values for which the Parabolic SAR is calculated, usually the daily low price of a stock.

3. Parameters

The Parabolic SAR function has the following parameter:

  • s0 - Acceleration Factor - The acceleration factor used in the calculations.
  • s1 - Maximum Acceleration - The maximum value that the acceleration is allowed to reach.

4. Output

The Parabolic SAR function generates the following output:

  • Parabolic SAR - The Parabolic SAR result set.

5. See also

Dundas Data Visualization, Inc.
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