Line 'A' denotes a zone where continuous price squeeze happened previously (see orange ellipses). Usually when a large volume is concentrated in narrow price range (squeeze) such areas tend to later play as support or resistance. If price is able to consolidate above line 'A' and given that the pair is in general uptrend, the more likely scenario for the price is to go up to the resistance level denoted by line 'B'.
Support and ResistanceTrend Analysis

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