Technical Analysis from A to Z

by Steven B. Achelis

ANDREWS' PITCHFORK

Overview

Andrews' Pitchfork is a line study consisting of three parallel trendlines based on three points you select. This tool was developed by Dr. Alan Andrews.

Interpretation

The interpretation of a pitchfork is based on normal trendline support and resistance principles.

Example

The following chart of Xerox shows an Andrews' Pitchfork.

The pitchfork was displayed by selecting the three points shown. You can see how prices tended to "walk along" the trendlines.

Calculation

The first trendline begins at the left-most point selected (either a major peak or trough) and is drawn so it passes directly between the two right-most points. This line is the "handle" of the pitchfork. The second and third trendlines are then drawn beginning at the two right-most points (a major peak and a major trough) and are drawn parallel to the first line. These lines are the "tines" of the pitchfork.

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This online edition of Technical Analysis from A to Z is reproduced here with permission from the author and publisher.
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