It seems that retracement started before reaching 1.618 of Wave 1.
Usually , when Wave 3 is less than 1.62, the 5th Wave overextends itself. Ratio of Wave 5 will be based on the entire length from the beginning of Wave 1 to the top of Wave 3.
Extended Wave 5 = either 0.62 x length or = length or = 1.62 x length of beginning of Wave 1 to top of Wave 3.
Let's watch out for 10600 / 11200 and 12500