An order block (OB) is the last opposing candle before a significant impulsive move. It marks the exact price zone where institutional players placed their orders before driving the market in their intended direction. Understanding order blocks transforms how you see support and resistance.
How Order Blocks Form
Institutions can't fill massive positions at a single price. They build positions gradually, often disguising their intent by first moving price against their intended direction. Here's the sequence for a bullish order block:
1. Price drops — Institutions push price lower (or let it fall) to create selling pressure and trigger long stops. 2. Accumulation — At the target level, institutions quietly accumulate long positions. The last bearish candle before the reversal is the order block — it represents the final wave of selling that institutions absorbed. 3. Impulsive move — Once accumulated, buying overwhelms selling and price launches upward, creating displacement candles and FVGs.
Types of Order Blocks
Standard OB: The last opposing candle before a strong impulsive move. This is the most common type and your primary entry zone. A bullish OB is a bearish candle before a bullish impulse. A bearish OB is a bullish candle before a bearish impulse.
Breaker Block: A failed order block that gets swept and becomes support/resistance from the other side. When a bullish OB fails (price breaks below it), it becomes a bearish breaker block. Breakers often provide extremely clean entries because trapped traders create strong rebalancing pressure.
Mitigation Block: A previously valid OB that has been partially tested. The first touch is statistically the strongest — each subsequent test weakens the zone. After 2-3 tests, most OBs are considered fully mitigated.
Quality Grading: Not All OBs Are Equal
The highest-quality order blocks share these characteristics: (A) They created a Break of Structure — the impulse away from the OB broke a significant swing point. (B) The impulse was strong — multiple consecutive candles in one direction with large bodies. (C) The OB hasn't been previously tested — first touch is always strongest. (D) There's a Fair Value Gap adjacent to or overlapping the OB — this adds confluence. (E) The OB aligns with the higher-timeframe bias.
Entry Strategy
Aggressive entry: Limit order at the edge of the OB body. Tighter stop, higher R:R, but more likely to get swept.
Standard entry: Limit order at the 50% level of the OB body (midpoint between open and close of the OB candle). Optimal balance of R:R and fill probability.
Conservative entry: Wait for price to enter the OB zone, then drop to a lower timeframe and look for a CHoCH/BOS confirmation before entering. Lower R:R but highest probability.
Stop loss always goes beyond the OB wick — never inside the OB body. If the wick gets swept, the thesis is invalidated.
Automation with Quantum Algo
Manually scanning for valid order blocks across multiple assets and timeframes is impractical for active traders. Quantum Algo detects, grades, and displays every institutional order block in real time on your TradingView chart. It distinguishes between standard OBs, breakers, and mitigated blocks, assigns quality scores based on the criteria above, and filters out low-quality zones so you only see setups worth trading.
Mitigation vs Continuation Order Blocks
Refine your read by asking what role an order block plays. A continuation OB forms in the direction of the trend and offers a re-entry as price pulls back to it. A mitigation OB is one price returns to in order to fill unfinished institutional orders before continuing. Knowing which you are looking at tells you whether to expect a clean bounce or a deeper test.
Order-Block Invalidation
An order block is not permanent. Once price closes decisively through it, that block is mitigated or broken — it is dead, and stacking more entries into it is just averaging into a loser. Respect invalidation: a violated OB often inverts into a breaker block in the opposite direction, which is a setup, not a reason to keep fighting the original idea.
Frequently asked questions
What makes a high-quality order block?
A high-quality order block creates a Break of Structure, has strong displacement away from it, is unmitigated with no previous tests, overlaps with a Fair Value Gap, and aligns with the higher-timeframe bias.
Where do I place my stop loss when trading an order block?
Always place your stop loss beyond the order block wick, never inside the body. If the wick gets swept, the thesis is invalidated and you want to be out of the trade.