William Delbert Gann (6 June, 1878 – 14 June 14, 1955 - also known as W. D. Gann),[1] was a finance trader who developed the technical analysis tool known as Gann angles. Gann market forecasting methods are based on geometry, astrology, and ancient mathematics.[2] Opinions are sharply divided on the value and relevance of his work.[3] Gann wrote a number of books on trading.[4]
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