Break of Structure (BOS) Explained
A break of structure is price closing beyond the prior swing point that defined the trend — the objective confirmation that structure has continued or shifted.
BOS versus CHoCH
In an uptrend, price making and closing above the previous swing high is a break of structure that confirms continuation. The first break in the opposite direction — an uptrend closing below its last higher low — is a change of character (CHoCH), the earliest warning of a reversal.
The distinction matters: a BOS in the trend direction is a continuation signal; a CHoCH against the trend is a potential-reversal signal. Both are defined by a close beyond the level, not just a wick.
Trading the break
After a BOS, traders look to enter on the pullback into the order block or fair value gap left by the impulsive break, targeting the next structural level.
A wick beyond the level that closes back inside is not a break — it is more likely a liquidity sweep. Wait for the close to avoid being faked out.
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Play Chart Bound free → Try today's Call the Candle →Frequently asked questions
What is a break of structure?
Price closing beyond the swing high or low that defined the current trend. In an uptrend it's a close above the prior swing high, confirming continuation.
What is the difference between BOS and CHoCH?
A BOS is a break in the direction of the trend (continuation). A change of character (CHoCH) is the first break against the trend, warning of a possible reversal.
Does a wick beyond the level count as a break of structure?
No. A genuine BOS requires a candle close beyond the level. A wick that closes back inside is more likely a liquidity sweep than a real break.