Gann authored a number of books and courses on shares and commodities trading. Opinions are sharply divided on the value and relevance of his work.

Gann market forecasting methods are purportedly based on geometry, astronomy and astrology, and ancient mathematics.

William Delbert Gann (J– June 18, 1955) or WD Gann, was a finance trader who developed the technical analysis methods like the Gann angles and the Master Charts, where the latter is a collective name for his various tools like the Spiral Chart (also called the Square of Nine), the Hexagon Chart, and the Circle of 360.

Gann napisał wiele książek na temat handlu. Opinie na temat wartości i znaczenia jego pracy są bardzo podzielone. Metody Ganna prognozowania rynku są oparte na geometrii, astronomii i astrologii i starożytnej matematyce. 18 czerwca 1955) – inwestor giełdowy, który opracował narzędzia analizy technicznej, takie jak kąty Ganna, jak też cykle, linie i liczby Ganna.

William Delbert Gann (Lufkin, 6 giugno 1878 – Miami, 14 giugno 1955 è stato un economista statunitense.

Gann hat mehrere Werke zum Thema Trading und Chartanalyse verfasst. Gann war ein US-amerikanischer Trader des frühen 20.

Was w d gann an astrologist