What is an Order Block?
An order block is the last opposing candle before a strong directional move — the last down-candle before a sharp rally, or the last up-candle before a sharp drop. In Smart Money Concepts theory, it marks the zone where large institutional orders were placed, so price often returns to it and reacts. Traders use order blocks as high-probability support and resistance entry zones.
How to identify an order block
Three steps:
- Find a strong impulsive move that broke market structure (a Break of Structure).
- Look at the last candle of the opposite color right before that move started.
- That candle's range (body, sometimes including wick) is your order block zone.
The last bearish (red) candle before a strong up-move. Acts as support when price retraces back down to it. You look to buy here.
The last bullish (green) candle before a strong down-move. Acts as resistance when price retraces back up to it. You look to sell here.
How to trade an order block
- Confirm HTF bias. Only trade bullish order blocks in an uptrend, bearish in a downtrend.
- Wait for the retest. Let price retrace back into the order block zone — don't chase the impulsive move.
- Enter on reaction in the direction of the original move. A rejection wick or lower-timeframe confirmation strengthens the entry.
- Stop-loss beyond the far edge of the order block (below a bullish OB, above a bearish OB).
- Target the next liquidity level. Aim for at least 1:2 R-multiple.
The highest-probability order blocks come with confluence: an order block that also has a fair value gap in the move away from it, or one that formed right after a liquidity sweep, is far stronger than an order block alone.
Common order block mistakes
- Marking every candle as an order block. Only the origin candle of a structure-breaking move qualifies. If the move didn't break structure, it's not a meaningful OB.
- Trading order blocks against the trend. A bullish OB in a strong downtrend usually fails. Always align with higher-timeframe direction.
- No confluence. An order block by itself is a weak signal. Combine with FVG, liquidity sweep, or session timing.
- Believing the "institutions" narrative literally. Nobody can prove institutions placed orders at a specific candle. The pattern may work as a self-fulfilling level — but treat the story as a model, not fact.
FAQ
Order block vs fair value gap — what's the difference?
The order block is a specific candle (the origin of a move). The fair value gap is the imbalance created by the move away from it. They often appear together — and trading them at the same level is a confluence setup.
Should I use the candle body or the wick for the zone?
Both approaches exist. Body-only is tighter (better R:R, more misses); body+wick is wider (more fills, worse R:R). Test both, journal the results, and use whichever has better expectancy for your market.
Do order blocks work on all markets?
The concept is applied to futures, forex, crypto, and indices. Liquidity and volatility differ per market, so the same order-block rules can have very different win rates. The only way to know your edge is to track it — that's what GridTrade does.
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