Among stock investors, in the study of the Elliott waves often you will see naming the numbers 0,618 and 1,618 as usual proportions in the stock market charts, and therefore between stretches of Elliott waves.

These numbers are the golden proportions, highly estimated by old Greeks as the most beautiful proportions, and that are seen too much in the nature.

It is the positive solution of the equation *x*^{2} = x + 1

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