William Delbert Gann (June 6, 1878 – June 14, 1955) or WD Gann, was a finance trader who developed the technical analysis tools known as Gann angles, Square of 9, Hexagon, Circle of 360 (these are Master charts). Gann market forecasting methods are based on geometry, astronomy and astrology, and ancient mathematics.[1][2] Opinions are sharply divided on the value and relevance of his work.[3] Gann wrote a number of books on trading.[4][5]
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Gann was born June 6, 1878 in Lufkin, Texas. His father was a cotton farmer. He started trading in 1902 when he was 24.[6]
Gann described the use of angles in the stock market in The Basis of My Forecasting Method (1935). Calculating a Gann angle is equivalent to finding the derivative of a particular line on a chart in a simple way.[7] Each geometrical angle (which is really a line extended into space) divides time and price into proportionate parts. The most important angle Gann called the 1x1 or the 45° angle, which he said represented one unit of price for one unit of time. If you draw a perfect square and then draw a diagonal line from one corner of the square to the other, you have illustrated the concept of the 1x1 angle, which moves up one point per day.[8]
