Break of structure (BOS) is a term from smart-money / ICT-style analysis describing the moment price closes through the most recent swing high (in an uptrend) or swing low (in a downtrend), confirming trend continuation. It says: the prevailing direction has been re-asserted.
BOS is distinct from CHoCH (change of character). BOS continues the existing trend; CHoCH flips it. A BOS in an uptrend = new higher high. A BOS in a downtrend = new lower low.
Practical use: BOS is the entry trigger in many breakout strategies, often combined with a volume filter or a pullback to a fair-value gap before a fill. Different traders use 'break' to mean either a wick through the level or a close beyond it — the choice matters and should be explicit.
Ejemplo
Uptrend with last swing high at 52,000. Price rallies and closes at 52,400 — that close above 52,000 is a BOS, confirming continuation.
Cómo Noon Barbari usa Break of structure (BOS)
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BOS / CHoCH in the designer →Términos relacionados
- Estructura de mercado
Change of character (CHoCH)
Price closing through a swing point against the prevailing trend — first sign of reversal.
- Estructura de mercado
Swing high
A local peak: a bar whose high is higher than the N bars on each side.
- Estructura de mercado
Swing low
A local trough: a bar whose low is lower than the N bars on each side.
- Estructura de mercado
Higher high
A swing high that prints above the prior swing high — the signature of an uptrend.