Break of Structure vs. Change of Character (BOS vs. CHoCH)
Before you can read order blocks or fair value gaps, you need to read structure — the sequence of highs and lows that tells you which side is in control. Two events matter most: the break of structure that says "trend continues," and the change of character that says "trend may be turning."
First, what "structure" means
A trend is just a pattern of swing highs and swing lows:
- An uptrend makes higher highs and higher lows (HH / HL). Each dip bottoms higher than the last; each rally tops higher.
- A downtrend makes lower highs and lower lows (LH / LL).
As long as that sequence continues, the trend is intact. The moment it breaks, something has changed — and BOS and CHoCH are the two ways it breaks.
Break of Structure (BOS) — the trend continues
A break of structure happens when price pushes through the previous swing point in the direction of the trend. In an uptrend, price breaks above the last swing high — a fresh higher high — confirming buyers are still in control. In a downtrend, price breaks below the last swing low. BOS is a continuation signal: the trend just proved itself again.
Traders use BOS to stay confident in the trend and to hunt for pullback entries (often into an order block) in that same direction.
Change of Character (CHoCH) — the trend may be turning
A change of character is the first crack. In an uptrend of higher highs and higher lows, a CHoCH is when price breaks below the last higher low — something it shouldn't do if buyers were still fully in control. It doesn't guarantee a reversal, but it's the earliest structural warning that momentum has shifted. Often a CHoCH is followed by a full trend change: price starts making lower highs and lower lows.
The simple way to hold them apart: BOS continues the trend; CHoCH is the first sign it might be ending.
A common Smart Money sequence: price is trending, a CHoCH warns of a turn, then a BOS in the new direction confirms the reversal — and you look to enter on the pullback into the order block that created the CHoCH.
Using structure in practice
- Mark your swing highs and lows first. Everything else in Smart Money trading sits on top of structure — get this right before anything else.
- Trade BOS with the trend — use it to justify pullback entries in the trend's direction.
- Respect a CHoCH as a warning — tighten stops, take profit, or prepare for a reversal setup. Don't blindly keep trading the old trend.
- Wait for a candle close beyond the level. A wick that pokes through and closes back is not a real break.
Key takeaways
- Structure = the sequence of swing highs and lows (HH/HL up, LH/LL down).
- BOS = price breaks the prior swing in the trend's direction → continuation.
- CHoCH = price breaks the last swing against the trend → first reversal warning.
- Mark structure first; trade BOS with the trend and treat CHoCH as a heads-up.
Know if the trend is continuing or turning
Feed structure shifts into Paldomz TradeX Pro alongside your order block and level reads, and get one clear signal — so you're not guessing whether a break is continuation or reversal.
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