Wave XX is usually a Zigzag family pattern. Wave XX is usually less than 70% of Wave Y by price. Wave XX will usually retrace at least 30% of Wave Y. Wave XX is most likely to be a 38.2% retracement of Wave Y. Wave XX is next most likely to be a 50% retracement of Wave Y. Wave XX is next most likely to be a 61.8% retracement of Wave Y.