Fair Value Gap (FVG) Explained: A Complete Guide to Trading Price Imbalances

The Fair Value Gap (FVG) is one of the most talked-about concepts in modern price action trading. Popularized by Smart Money Concepts (SMC) and ICT traders, it highlights areas on the chart where price moved so fast that one side of the market was left unfilled. These imbalances often act as magnets for price, and as zones where it reacts. This guide explains what a Fair Value Gap is, how to identify one, how to trade it, and how to set up an automatic Fair Value Gap alert on TradingSignal.

What Is a Fair Value Gap?

A Fair Value Gap is a price imbalance created by a strong, one-sided move. When buyers or sellers step in aggressively, price travels through a range so quickly that very little trading takes place there. The result is a visible "hole" in the candles, a zone where price was not efficiently delivered to both buyers and sellers.

Many traders see these gaps as inefficiencies that the market tends to revisit later. When price comes back into an FVG, it frequently pauses, reacts or reverses, making the gap a useful reference for entries, targets and stop placement.

How to Identify a Fair Value Gap

A Fair Value Gap is defined by a simple three-candle pattern:

• Candle 1: the candle before the impulsive move.
• Candle 2: a large, strong-bodied candle that drives price sharply in one direction.
• Candle 3: the candle after the impulsive move.

The gap is the space between the wick of candle 1 and the wick of candle 3 that candle 2 did not "share" with its neighbours:

• Bullish FVG: the low of candle 3 is above the high of candle 1. The zone between those two levels is the gap. It usually forms during a strong rally.
• Bearish FVG: the high of candle 3 is below the low of candle 1. The zone between those two levels is the gap. It usually forms during a sharp sell-off.

The larger candle 2 is compared with the surrounding candles, the more significant the imbalance tends to be.

Fair Value Gap vs. a Classic Price Gap

A classic price gap happens when the market opens at a different price from where it closed, leaving a completely empty space on the chart. This is common in stocks but rare in crypto, which trades 24/7. A Fair Value Gap is different: candles overlap in body and time, but the wicks of candle 1 and candle 3 do not overlap. That makes FVGs very common in crypto markets, on every timeframe.

The Three Stages of a Fair Value Gap

Once a Fair Value Gap appears, traders usually follow it through three stages:

• Formation: the three-candle pattern completes and the gap is created. This confirms strong momentum in the direction of candle 2.
• Retest: price later returns into the gap. This is often where traders look for entries, expecting price to react and continue in the original direction.
• Fill: price trades completely through the gap. A filled gap has done its job and loses most of its relevance. A bullish FVG that gets fully filled and broken can even become a sign of weakness.

How to Trade a Fair Value Gap

1. Trade With the Trend

FVGs work best when they align with the overall market structure. In an uptrend, focus on bullish Fair Value Gaps as potential buy zones. In a downtrend, focus on bearish gaps as potential sell zones. Trading gaps against the dominant trend is much riskier.

2. Wait for the Retest

Rather than chasing the impulsive move, many traders wait for price to pull back into the gap. Common entry points are the top of the gap, the midpoint (sometimes called the "consequent encroachment") or the bottom of the gap, depending on how aggressive you want to be.

3. Place a Logical Stop-Loss

For a bullish FVG, a stop is typically placed below the low of candle 1 or below the gap itself. For a bearish FVG, it goes above the high of candle 1. If price closes decisively through the entire gap, the setup is usually considered invalid.

4. Use Gaps as Targets

Unfilled Fair Value Gaps can also serve as take-profit targets. If price is moving toward an open gap left behind earlier, that gap is a natural area where price may slow down or react.

Choosing a Timeframe

Fair Value Gaps appear on every timeframe, but they do not carry the same weight. Gaps on the 4-hour, daily or weekly charts tend to be more reliable and are watched by more traders. Gaps on the 1-minute or 5-minute charts appear constantly and are filled quickly, which makes them noisier. A popular approach is to identify a higher-timeframe FVG as the key zone, then drop to a lower timeframe to fine-tune the entry.

Combining Fair Value Gaps With Other Tools

An FVG is more powerful when it lines up with other signals:

• Market structure: a Break of Structure (BOS) or Change of Character (CHoCH) that creates a Fair Value Gap confirms a real shift in momentum.
• Support and resistance: a gap sitting on top of a key support or resistance level adds confluence.
• Fibonacci retracement: gaps that overlap with the 50% or 61.8% retracement levels are closely watched.
• Volume: a volume spike on candle 2 shows that the imbalance was driven by real participation.
• Momentum indicators: the RSI or MACD can help confirm whether momentum still supports the trade when price returns to the gap.

Limitations of Fair Value Gaps

• Not every gap gets respected. In strong trends, price can slice straight through an FVG without reacting.
• Lower timeframes produce many small gaps, and most of them are noise.
• Gaps can be partially filled, and the exact reaction point varies from one setup to another.
• Like any technical tool, FVGs should be combined with proper risk management and never used in isolation.

Setting Up a Fair Value Gap Alert on TradingSignal

Spotting Fair Value Gaps manually means watching charts all day, and the best retests often happen while you are away from your screen. With TradingSignal, it is very easy to create a Fair Value Gap alert and let the app monitor the market for you.

Simply create a new alert, choose the Fair Value Gap alert type, select the asset and the timeframe you want to follow, and pick the event you care about:

• Formed: get notified as soon as a new bullish or bearish Fair Value Gap appears.
• Retested: get notified when price comes back into an existing gap, often the ideal moment to look for an entry.
• Filled: get notified when a gap has been completely filled, so you know the imbalance is no longer in play.

Once the alert is saved, TradingSignal watches the market 24/7 and sends you a notification the moment your condition is met. You can combine it with other alerts available in the app, such as Break of Structure, Support & Resistance, RSI or Volume Spike, to build a complete Smart Money setup without staring at charts all day.