Structure

• Triangles only form in Waves 4, B, and X, the waves prior to the terminating wave of the structure.
• There are five Waves (A-E) and each wave will normally subdivide into a 3 wave structure such as a Zagzag.
• A running triangle is said to have formed when the B wave exceeds the origin of WA.  (think expanded flat.)
• There are three types of triangles. The most common are the contracting, symmetrical kind. Barrier triangles form where one side resembles a horizontal line, and expanding triangles, which are very rare.
• Wave C, or occasionally wave D, will normally become complex and form a double (WXY) or triple Zigzag (WXYXZ) formation.  X can be a triangle itself.
• Infrequently, Wave E can develop into a smaller triangle, making a total wave count of 9 waves, labeled A-E, with the interior triangle labeled a-e of the next lesser degree. The ending pivot is E e.

Specifics

In a wave 2, a triangle may only form in wave B of the retracement. It can not comprise the entire wave 2. However, in wave 4, a triangle may form as the entire wave 4 structure or as wave B in the wave structure. These will resolve in opposite directions, so you need to be right on where the triangle is located.

Retracement

Triangles rarely follow retracement rules, but these are the stated retracements

Contracting and Symmetrical Triangles

• In a triangle, at least two waves frequently have a .618 relationship with their prior wave.
• With a running triangle you can expect Wave B to reach 1.382 of Wave A, before the remainder of the triangle falls into suit with .786 retracements. The relationships are somewhat more expanded than regular triangle relationships.

Expanding Triangles

• As a general rules, these triangles conform to 1.618 relationships between the waves.