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21st Century Point and Figure: New and Advanced Techniques for Using Point and Figure Charts by Jeremy du Plessis

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Chapter Two. 21st Century Construction

Introduction

The use of computers to draw Point and Figure charts has allowed Point and Figure analysts to push the frontiers of chart construction. Not only did true log scale charts become possible in the 1980s, but in the 2000s box sizes can be determined by mathematical formulas instead of by feel and experience. Charts based on intraday interval or daily data can now be constructed using various combinations of the close, high, low and open, instead of the limited choice of close or high-or-low.

Before looking at what the 21st century has brought, it is important to understand the position in the 20th century.

20th Century Box Sizes

When Point and Figure charts were first drawn, box sizes were set ...

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