The first 3 condition are met to form a pattern, Now to form a CD leg these conditions have to meet to name a pattern. Bat = 88.6% of XA leg Crab = 1.618% Ext of XA to confirm this price has to drop below Point B The Bat /Crab is void if price cross Point A Other scenario If Point A crosses Point C will be marked at 1.272-1.414 ext of AB