The fibonacci Ratio an irrational number approximating 61.8 know as the golden ratio is found in nature human biology human thought and aggregate human behavior as the stock market.
the wave principle is a robust fractal governed by fibonacci mathematics.
Sharp wave correction tend to retrace 61.8 or 50% of the previous wave.
Sideways corrections tend to retrace 38.2% of the previous wave.
Subdivisions of impulsive waves tend by fibonacci numbers .618,1.618 and 2.618
subdivisions of corrective waves tend to be related by fibonacci numbers 38.2,61.8,1.0 and 1.618.