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Percentage Retracement Points: Just as Gann angles offer the trader price levels that move with time, percentage retracement points provide support and resistance that remain fixed as long as the market remains in a price range.
Gann is commonly acknowledged to have formulated the percentage retracement rule, which states that most price moves will correct to 50 percent. Other percentage divisions are 25 percent and 75 percent, with the 50 percent level occurring the most frequently










