Algorithmic Trading can be a complex subject. Keep your knowledge current with this glossary of key concepts, terminology, and technical indicators.
A form of technical analysis based on the ideas that the market is geometric and cyclical in nature. A Gann fan consists of a series of diagonal lines called Gann angles, of which there are nine. These angles are superimposed over a price chart to show a security's support and resistance levels. The resulting image is supposed to help technical analysts predict price changes. Although once drawn by hand, today Gann fans can be drawn with software programs.