50% retracement is one of the most important support and resistance.
By creating the 50% zones it is possible to notice how at each timeframe the bars touch the support or resistance ones. The greater the time frames on which the lines are drawn, the greater the impact in terms of importance on the lower time frames.
Chart PatternsdemandandsupplyzonesFibonacci RetracementHarmonic PatternsresistencesupportTrend Analysis

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