BOS vs CHoCH: Break of Structure & Change of Character
Break of Structure (BOS) confirms a trend is continuing; Change of Character (CHoCH) is the first sign that the trend may be reversing. Together they are how Smart Money traders read market structure.
Break of Structure (BOS)
A BOS happens when price breaks the most recent significant high (in an uptrend) or low (in a downtrend) in the direction of the trend. It confirms momentum is continuing and that your directional bias still holds.
Change of Character (CHoCH)
A CHoCH is the first break against the prevailing trend — for example, price breaking a recent higher-low during an uptrend. It signals control may be shifting and often precedes a reversal or a deeper pullback.
How to use them
- Use BOS to confirm and stay with the trend.
- Use CHoCH as an early warning that the trend may be turning.
- Combine with liquidity and fair value gaps to time entries after a shift.
Frequently asked questions
What is the difference between BOS and CHoCH?
BOS (Break of Structure) is a break in the direction of the trend that confirms continuation; CHoCH (Change of Character) is a break against the trend that warns of a possible reversal.
Does a CHoCH always mean a reversal?
No. A CHoCH signals that control may be shifting, but it can also precede a deeper pullback before continuation. Traders use it as an early warning, confirmed by further structure and context.
Why does market structure matter in SMC?
Market structure sets your directional bias. Reading BOS and CHoCH keeps you aligned with institutional order flow instead of trading against the prevailing move.
Risk disclosure
AlgoKings provides technical analysis indicators and educational material for informational purposes only. Nothing on this website is financial, investment or trading advice. Trading financial instruments carries a high level of risk and may not be suitable for every investor; you can lose some or all of your capital. Indicators do not predict future price movements and do not guarantee any outcome. You are solely responsible for your own trading decisions and risk management. Past performance is not indicative of future results.
