CD can be an extension of AB anywhere from 1.272% up to 161.8% and even greater CD leg usually slopes at an angle that is wider than the AB leg When there is a gap formed after point C, it indicates that the CD leg will be much larger than the AB leg Appearance of wide range bars near point C is also an indication that CD will be an extended leg In most cases, AB and CD are equal in time and price If the CD leg is covered within just a few price bars as compared to the AB leg, then it is an indication that the CD leg will be an extension of AB