As we speak for proportional analysis we cannot motion one of the most successful traders on financial markets – William Gann.
He is the author of one of the most interesting modern theory. This theory connects price movements with time. Gann used many geometrical and mathematical method for his analysis.
His theories have many followers and fans, but these methods are very complex to be understood.
According to his methods, the optimal price movement is under 45 degrees. It is supposed that geometry of price movement and price angles , are specific and service like fundament for future forecasting.