medium · Elliott Wave Theory corrective

A textbook contracting triangle (waves A-B-C-D-E) forms in the wave-4 position of an impulse. Wave A spans 100 points. The analyst confirms each leg alternates direction and the boundary lines converge.

Which internal sub-wave count is the decisive disqualifier that should make the analyst reject the 'triangle' label entirely, regardless of the converging trendlines?

  1. Wave C subdivides into a clear five-wave impulse, since every leg of a triangle must itself be a corrective three (typically a zigzag or combination)
  2. Wave B retraces 75% of wave A, since triangle B-waves are forbidden from exceeding 61.8% of the prior leg under any circumstance
  3. Wave E overshoots the A-C trendline before reversing, since a valid triangle requires E to terminate exactly on or short of that boundary line
  4. Wave D exceeds the end of wave B, since in a contracting triangle each successive leg must be shorter than the one two waves prior without exception

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