The short answer
Market structure is how you read whether a market is trending or ranging, by tracking swing highs and lows: higher highs and higher lows is an uptrend, the reverse is a downtrend. A break of structure confirms continuation; a change of character warns of a possible reversal. Liquidity is where stop-loss orders cluster — above obvious highs, below obvious lows — and price often sweeps those before turning. These two ideas are the genuinely useful core beneath the SMC vocabulary.
Reading market structure
Market structure is the foundation beneath every price-action method. You read it by tracking swing highs and lows: a sequence of higher highs and higher lows is an uptrend (buyers in control); lower highs and lower lows is a downtrend; roughly equal highs and lows is a range.
Structure is fractal — it exists on every timeframe, and a higher-timeframe uptrend can contain lower-timeframe downtrends. Reading more than one timeframe is essential, and skipping that is a common, costly mistake. This is the same skill underlying classic support and resistance.
Break of structure vs change of character
Two terms describe how structure changes. A break of structure (BOS) is when price breaks a prior swing point in the direction of the trend — it confirms continuation. A change of character (CHOCH) is when price breaks a swing point against the trend — the first sign of a possible reversal.
The key is not to confuse them: BOS means the trend is intact; CHOCH means it may be turning. And a CHOCH signals a possible reversal, not a certain one — many are just deep pullbacks that resume the trend.
What liquidity really is
Liquidity, in this context, means the clusters of orders — especially stop-losses — that sit in predictable places: just above an obvious high, just below an obvious low, around round numbers. Because everyone can see those levels, everyone's stops pile up there.
The observation that matters: price often sweeps these obvious levels — a "stop hunt" or liquidity grab — before reversing. Whether or not institutions deliberately target them, the pattern is real.
Stop hunts and where you put your stop
The practical lesson is important. If you place your stop at the most obvious level — a hair beyond a clean high or low — you are putting it exactly where liquidity tends to get swept. That is how traders get stopped out right before the move goes their way.
The answer is not to trade without stops — that is account-ending. It is to place stops at structural levels with a sensible buffer, and to size the position so the stop distance still respects your risk cap. Understanding liquidity makes you place smarter stops, not remove them. Education, not advice.
Frequently Asked Questions
What is market structure?
The framework for reading whether a market is trending or ranging by tracking swing highs and lows. Higher highs and lows is an uptrend; lower highs and lows is a downtrend; roughly equal is a range. It is fractal across timeframes.
What is the difference between BOS and CHOCH?
A break of structure (BOS) breaks a swing point in the direction of the trend and confirms continuation. A change of character (CHOCH) breaks a swing point against the trend and warns of a possible reversal. BOS means intact; CHOCH means maybe turning.
What is liquidity in trading?
Clusters of orders, especially stop-losses, that sit in predictable places like just above obvious highs or below obvious lows. Price often sweeps these levels before reversing, which is why the most obvious stop placement is risky.
What is a stop hunt?
When price runs to an obvious level where stop-losses cluster, triggering them, before reversing. Whether or not it is deliberate, the pattern is real — so place stops at structural levels with a buffer, not at the most obvious spot.
Should I trade without a stop to avoid stop hunts?
No. Trading without a stop is account-ending. The lesson from liquidity is to place stops at structural levels with a sensible buffer and size the trade accordingly — smarter stops, never no stops. This is education, not advice.