ICT Concepts7 min readOctober 19, 2026

What Is the Master Pattern in Trading? The 3 Phases Explained

Price looks random until you can label where it is in a cycle. The Master Pattern gives you three phases to map any chart: contraction, expansion and trend.

Most charts look like noise until you can answer one question: where is price in its cycle right now? The Master Pattern is a simple way to answer it. It splits price movement into three phases, and each phase tells you how to approach the chart.

The Master Pattern does not predict the next candle. It labels the phase price is in, so you stop treating every part of the chart the same.

The Three Phases of the Master Pattern

  1. 1.Contraction: price tightens into a smaller and smaller range. Higher lows and lower highs form at the same time.
  2. 2.Expansion: price breaks out of that range, the range widens, and price takes out highs and lows around a central value line.
  3. 3.Trend: price makes its move to higher or lower prices.

Phase One: Contraction

Contraction is a period of consolidation with narrowing ranges. On a chart you see a squeeze: each swing high is lower than the last, and each swing low is higher than the last. The framework describes this as a leading volatility signal, because a tight range tends to be followed by a wider one.

The framework explains contraction as a period of low institutional volume. Treat that as the framework's explanation. What you can verify on any chart is the squeeze itself: a shrinking range with higher lows and lower highs.

Phase Two: Expansion

Expansion starts when price breaks out of the contraction box. The range opens up and price takes out highs and lows. A line drawn through the center of the original box, the value line, becomes the reference price whips around during this phase.

Why the value line matters

The value line marks the balance point between buyers and sellers from the contraction. Price tends to move away from it and return to it, which makes it a reference for both bias and entries.

Phase Three: Trend

Trend is the move to higher or lower prices after expansion. This is the phase most traders want to catch, and the one they usually join late. Knowing that contraction and expansion came first helps you see where in the cycle you are joining.

The Hidden Pattern That Controls Every Market (Master Pattern)

Not Every Contraction Is Equal

A contraction box can be broken on one side, two sides, or three or more. How many sides price has broken tells you how much weight to give the box. Indicator X tiers them as Minor, Major and Origin boxes. We cover each tier in a separate guide: Minor vs Major vs Origin boxes.

  • →Minor box: price has broken only one side.
  • →Major box: price has broken both sides.
  • →Origin box: price has broken three or more sides.

How Traders Use the Three Phases

  • →Label the phase first. Is price contracting, expanding or trending?
  • →Use the higher timeframe value line for bias and a lower timeframe value line for entries.
  • →Give more weight to contractions that formed on higher timeframes.
  • →Use it alongside the tools you already trust, such as moving averages or support and resistance.

See The 3 Phases Of The Master Pattern

Indicator X shows the 3 phases of the Master Pattern (Contraction, Expansion and Trend) on any chart, with auto-tiered Minor, Major and Origin boxes. 7-day free trial.

Try Indicator X Free

What is the Master Pattern in trading?

A framework that breaks price into three phases: contraction, expansion and trend, so you can label where price is in a cycle.

How do I spot a contraction?

Look for higher lows and lower highs forming at the same time, so the range gets smaller. That squeeze is the contraction.

What is the value line?

A line drawn through the center of a contraction box and extended once price breaks out. It marks the balance point between buyers and sellers.

S

Seth, Creator of SMC X

SMC & ICT trading educator with 1,100+ active traders using the SMC X system. YouTube creator at @smart-money-trader.

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