Q: What does the former have to do with the later?
A: The intuition in the former (S. Carney) is born out by the later (A. Avila; Fields Medal - 2014)
From Scott Carney's website;
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"Harmonic Trading: Volume One Page 136
The Deep Crab Pattern™, is a Harmonic...
A proper Crab pattern needs to fulfill the following three Fibonacci rules: AB= retrace between 0.382 – 0.618 Fibonacci Retracement of XA leg; BC= minimum 38.2% and maximum 88.6% Fibonacci retracement of AB leg; CD= Poses a target between 2.24 – 3.618 Fibonacci extension of AB leg or an ideal target of 1.618 of XA leg.
Crab Pattern
The XA retracement levels are...