# Volume Imbalance A Smart Money Concepts / ICT concept (Imbalance taxonomy) in the LuxAlgo Library, with 1 indicator implementation. ## What is a Volume Imbalance? A volume imbalance is a gap between the real bodies of two consecutive candles: the first candle's close and the next candle's open leave a span that only wicks traded through. Bodies show daylight; wicks still overlap, so there is no untraded void: price printed there, just thinly and one-sidedly. Despite the name, it is identified from candle bodies alone: no volume data is involved, and the 'volume' refers to the one-sided business the body gap implies. Within the ICT catalogue of inefficiencies the volume imbalance is the smallest regular member, filed alongside fair value gaps and true gaps as evidence of delivery that skipped part of the auction. The spans typically appear where conviction outruns two-way trade: inside [displacement](https://www.luxalgo.com/library/concept/displacement/) legs, at session transitions, and around news, which is why a chart's volume imbalances map its bursts of urgency reasonably well. That body-gap definition is what separates it from its neighbors: a [fair value gap](https://www.luxalgo.com/library/concept/fair-value-gap/) is a three-candle, wick-to-wick imbalance, while an [opening gap](https://www.luxalgo.com/library/concept/opening-gap/) is a two-candle span where not even the wicks touched. Volume imbalances are small and frequent, so they serve as refinement rather than standalone setups: the span is often re-delivered through or acts as a minor level, though neither outcome is guaranteed. In practice the spans are graded by company and context. A volume imbalance stacked at the edge of an [order block](https://www.luxalgo.com/library/concept/bullish-bearish-order-block/) or layered with a fair value gap sharpens the parent zone's boundary; one printed inside a strong displacement leg belongs to that leg's re-delivery map alongside its gaps, read with the same logic as [FVG behavior](https://www.luxalgo.com/library/concept/fvg-behavior-rules/); and one formed in dead hours usually means nothing. As with every ICT array, time and location, favored [killzones](https://www.luxalgo.com/library/concept/killzones/), the right side of the dealing range, decide whether the span deserves attention. ## How to identify a volume imbalance The bullish case (an upward body gap) is described; mirror it for downward spans. 1. Take two consecutive candles and compare the first candle's close with the second candle's open and body. 2. Require body daylight: the span between the first close and the second open holds no real-body overlap. 3. Check the wicks: they should still overlap through the span; if not even wicks touched, the structure is an opening gap instead. 4. Mark the span's boundaries as a micro zone in the direction of the move that created it. 5. Watch the first revisit: quick re-delivery through the span or a touch-and-reject at its edge are the two standard behaviors. 6. Weight by origin: spans created inside displacement legs and active sessions merit marking; those from thin, drifting tape rarely do. ## How traders use it - As micro reference levels: the span is marked and watched on the first return; a touch-and-reject treats it as a small area of support or resistance aligned with the original move. - As a [displacement](https://www.luxalgo.com/library/concept/displacement/) quality read: a leg that leaves volume imbalances behind shows the same urgency that produces fair value gaps, supporting the case that the move is initiative rather than drift. - As entry refinement inside larger zones: when a volume imbalance sits at the edge of an order block or a gap, its boundary gives a more precise price to work orders against than the parent zone's full span. - In inefficiency ladders: sequences of volume imbalances and [fair value gaps](https://www.luxalgo.com/library/concept/fair-value-gap/) left by one leg are tracked together as the leg's re-delivery map, each span a waypoint for the eventual retracement. - As session artifacts: spans printed at session handoffs and around the day's [time anchors](https://www.luxalgo.com/library/concept/ict-time-anchors/) are read within the session-model context, where their re-delivery often doubles as the return to fair value after an open's one-sided push. ## Volume imbalance vs other imbalances - **Fair Value Gap** (https://www.luxalgo.com/library/concept/fair-value-gap/): An FVG spans three candles and is measured wick to wick: the first candle's high and the third candle's low never overlap in the bullish case. A volume imbalance spans two candles and is measured body to body, with wicks still overlapping. - **Opening Gap** (https://www.luxalgo.com/library/concept/opening-gap/): In an opening gap not even the wicks touch, leaving prices where nothing traded at all. In a volume imbalance the wicks did trade through the span (only the bodies separate), making it the milder inefficiency of the two. - **Bullish/bearish Order Block** (https://www.luxalgo.com/library/concept/bullish-bearish-order-block/): An order block is a candle-body zone at a move's origin, traded as the defended launch point. A volume imbalance is the thin span between two candles inside or after the move. They stack naturally: an imbalance at an order block's edge sharpens where the zone begins. ## FAQ ### What is the difference between a volume imbalance and a fair value gap? Candle count and measurement. A fair value gap needs three candles and lives where the first candle's wick and the third candle's wick never overlap. A volume imbalance needs only two candles: their bodies show separation while their wicks still overlap, so price did trade there. Both read as one-sided delivery; the FVG is the fuller inefficiency of the two. ### Do volume imbalances always get filled? No. Many are re-delivered through quickly simply because they are small and price passes back across them, but nothing requires it: strong trends leave unfilled volume imbalances behind. Treat the span as a minor reference that may produce a reaction or a quick re-delivery, and let surrounding structure, not the gap alone, carry the trade decision. ### Why is it called a volume imbalance if no volume data is used? The name describes the inference, not the input. Bodies separating while wicks overlap implies the span traded thinly and one-sidedly, an imbalance in the business done there, which the vocabulary attributes to imbalanced volume. Identification remains purely geometric: two candles' opens, closes, and wicks. Order-flow tools can verify the thin trade directly, but the concept never requires them. ### How are volume imbalances traded? Almost never alone. The common uses: as precision edges inside larger zones (working orders at the span's boundary rather than the parent zone's middle), as first-revisit reaction candidates in the direction of the originating move, and as waypoints when mapping how far a retracement should re-deliver. Stops and targets come from the surrounding structure; the span just sharpens the prices. ### Do volume imbalances matter on higher timeframes? They exist wherever candles do, and a daily or weekly body gap marks a genuinely unusual, one-sided session boundary worth noting. In practice the concept is used most intraday, where the spans are frequent enough to build re-delivery maps. Higher-timeframe body gaps often coincide with true opening gaps or event moves, and analysts tend to file them under those larger structures instead. ### What makes one volume imbalance more significant than another? Origin and company. Spans created by displacement inside active sessions, stacked with fair value gaps, or sitting at the edges of order blocks inherit the significance of the structures around them. Spans from drifting, thin tape are just candle trivia. Size adds little by itself, which is why the grading is contextual rather than measured in ticks. ## Implementations in the Library - Imbalance Detector (LuxAlgo): https://www.luxalgo.com/library/indicator/imbalance-detector/ ## Related concepts - Fair Value Gap: https://www.luxalgo.com/library/concept/fair-value-gap/ - FVG Behavior Rules: https://www.luxalgo.com/library/concept/fvg-behavior-rules/ - Inversion FVG: https://www.luxalgo.com/library/concept/inversion-fvg/ - Immediate Rebalance: https://www.luxalgo.com/library/concept/immediate-rebalance/ - Balanced Price Range: https://www.luxalgo.com/library/concept/balanced-price-range/ - Implied FVG: https://www.luxalgo.com/library/concept/implied-fvg/ - Opening Gap: https://www.luxalgo.com/library/concept/opening-gap/ - New Day Opening Gap: https://www.luxalgo.com/library/concept/new-day-opening-gap/ - New Week Opening Gap: https://www.luxalgo.com/library/concept/new-week-opening-gap/ - Consequent Encroachment: https://www.luxalgo.com/library/concept/consequent-encroachment/ --- Source: https://www.luxalgo.com/library/concept/volume-imbalance/ (LuxAlgo Library, the encyclopedia of trading & technical analysis). Free to use with attribution: https://www.luxalgo.com/library/license/