A flat correction has 3 major moves. Waves A and C move in the direction of the correction. Waves A and B are zigzag or double zigzag, which both are 3 segment waves. Wave B is always larger than Wave A. Wave C is motive, it has 5 segments. Thus a flat has a structure of 3-3-5.
The selloff from April '10 high cannot be counted as a flat since the rally following the flash crash Wave B is shorter than the proposed Wave A. If Wave B were larger than Wave A, then Wave B would have broken the April '10 high.
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