Elliott Wave Theory is a form of technical analysis that looks for recurring long-term price patterns associated with constant changes in investor sentiment and psychology.
Gann angles are based on a 45 degree angle, known as a 1:1 angle. Gann believed that the 45-degree angle is important and that trends above it are strong, while trends below it are weaker.
The Gann fan, created by early market specialist W. D. Gann, consists of a series of slanted lines. The trader chooses a starting point and the lines go into the future.