Swing Count
Elliott Wave Theory glossary · Core Axioms & Motive Wave Rules
Definition
A validation technique that counts the directional swings in a putative impulse. A simple non-extended five-wave impulse contains exactly 5 swings; each level of extension adds 4 more, producing the valid series 5, 9, 13, 17, 21, 25, … (arithmetic with common difference 4). A count of 7, 11, or 15 indicates the impulse is either incomplete or mis-labelled.
Swing Count in plain English
A 'swing' is one clean directional leg — price going up without a real dip, or down without a real bounce. Swing counting is a quick sanity check: a basic five-wave move has exactly 5 swings, and every time one of those waves stretches out into its own smaller five-wave move ('extension'), it swaps 1 swing for 5, adding 4. That's why only certain totals are legal: 5, 9, 13, 17, 21, dots — start at 5 and keep adding 4. So if you count 7, 11, or 15 swings, something's off: the move isn't finished yet, or you've labeled the waves wrong.
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