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Concept 49 · Category D
ICT Break of Structure (BOS) Explained
Break of Structure · BOS
What is Break of Structure in ICT?
A break of a significant swing level in the direction of the existing trend, often interpreted as continuation.
Definition of Break of Structure
A decisive move beyond a prior structural high in an uptrend or low in a downtrend.
How to identify Break of Structure
Define swing points consistently; look for a close/acceptance beyond the relevant swing, not merely an insignificant wick.
Bullish Break of Structure example
price makes HH and breaks above the previous swing high.
Bearish Break of Structure example
price makes LL and breaks below the previous swing low.
Break of Structure chart examples
Practical trading example
In an uptrend, price pulls back to HL then closes above the prior HH: bullish BOS.
Common mistakes and important notes
Some traders use wick breaks; others require candle closes. State your rule and timeframe.
Related ICT concepts
Part of Market Structure. New to ICT? Start with the beginner guide.
ICT PD Arrays is an independent educational project and is not affiliated with or endorsed by Michael J. Huddleston. This page is not financial advice, and trading carries risk. Read the full disclaimer.