Intermediate · Lesson 6 of 11 · 8 min read
Smart money concepts explained
Liquidity, sweeps, order blocks and fair value gaps are popular ideas about how big traders leave footprints on the chart. Here is what each one means in plain English, and how far to trust them.
The idea behind it
Banks and funds trade in huge sizes, so they need lots of orders on the other side to fill them. Many of those orders sit where smaller traders keep their stops: just above swing highs and just below swing lows. Smart money concepts (SMC) read the chart around that idea. It is a way of looking at price, not a proven law.
The building blocks
| Term | What it is | What traders watch for |
|---|---|---|
| Liquidity (BSL and SSL) | Stops resting above swing highs (buy-side) and below swing lows (sell-side). Equal highs or lows are the strongest. | Price is often drawn towards it |
| Sweep | Price runs through a liquidity level, then closes back inside | A possible turn once the stops have been taken |
| Order block | The last opposite candle before a strong move that breaks structure | A reaction when price returns. Weaker once it has been revisited. |
| Fair value gap | A three-candle gap where the middle candle moved so fast that the first and third candles do not overlap | Price often comes back to fill part of it |
SMC also uses break of structure and change of character, explained in the Market structure lesson.
SMC zones are areas of interest, not signals. They work best together: a sweep of liquidity, then a change of character, then a return to an order block or gap, in the direction of the bigger trend.
On EURUSD 15-minute, price dips below the Asia session low at the London open, then closes back above it: a sweep of sell-side liquidity. It then closes above the last lower high: a change of character upwards.
Price pulls back into the bullish fair value gap left by that move. A trader buys there, with the stop below the sweep low, aiming for the Asia high where buy-side liquidity sits.
How far to trust it
Much of SMC is open to interpretation: two traders can mark the same chart differently, and zones fail often. That is why BTM’s tools give zones a score or grade and mark them FRESH or TESTED, to make them more objective. Test any SMC idea in Replay before trading it, the same as any other method.
Common mistakes
- Treating every zone as a trade.
- Marking so many zones that price is always “at” one.
- Ignoring the trend on the bigger timeframe.
- Believing big banks are hunting your stops personally. Liquidity is just where orders gather.
Check yourself
1. What is sell-side liquidity?
Stops resting below swing lows.
2. What is the difference between a sweep and a break?
A sweep runs through a level and closes back inside; a break closes beyond it and the move may carry on.
3. Is a fair value gap a signal on its own?
No. It is an area of interest, best used with structure and the bigger trend.
Try it on BTM
For education only, not financial advice. Trading carries a high risk of losing money, especially with leverage. Only trade with money you can afford to lose.
For educational purposes only. Nothing here is financial advice. Past performance does not guarantee future results, and trading carries a high risk of losing money, so only trade with money you can afford to lose. Read the risk warning.