2R(With Green Dot) shows the possible beginning of Up trend

Retracement and Reversal decoding the price movement.

Watch out for 2G(with Red Dot)* and you might be the lucky one to find the Top.

Watch out for 2R(with Green Dot)* and you might be the lucky one to find the Bottom.

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* 2G(with Green Dot) and 2R(with Red Dot) also occur