Imbalance (déséquilibre)
An imbalance is a zone of inefficiency: price has only moved in one direction there, without balanced exchange between buyers and sellers. The Fair Value Gap is its most common form (the measurable three-candle unit); the liquidity void is its extended version spanning several candles. Watch out for the homonym: in order flow (footprint) analysis, “imbalance” means something entirely different — an aggressive bid/ask volume imbalance in the order book, unrelated to the Smart Money wick gap. Always clarify which school you mean before using the word.
See also
A price imbalance left behind by a move that happened too fast.
How easily an asset can be bought or sold without moving its price.
An approach that follows the footprints of large institutional players.
The histogram that shows at which PRICES volume was traded.