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Order Blocks

Definition

An order block (OB) is the last opposing candle before a strong displacement move. In a bullish context, the order block is the last bearish candle before price rockets upward. In a bearish context, it's the last bullish candle before price drops sharply. These zones mark where institutions placed large orders — and because those orders often can't be filled in a single pass, price frequently returns to the order block to fill remaining institutional volume. This makes order blocks both draw on liquidity targets and high-probability entry zones.

How It Works

1. Formation — A strong displacement move occurs. The last candle of the opposite color before the move is the order block.
2. Institutional logic — Large institutional orders can't be filled at once without moving price. The order block is where they initiated the position. Price returns so they can fill the rest.
3. As an entry zone — When price retraces to the order block, it provides a high-probability entry in the direction of the original displacement.
4. As a draw — Untested order blocks on higher timeframes pull price back toward them, similar to fair value gaps.
5. Invalidation — If price closes through the order block entirely (not just wicks through), the block is invalidated and may become a breaker block.

Key Parameters

From the Wiki Sources

Order blocks appear in several existing transcripts, though not as a standalone concept:

• NASDAQ premarket short (trade recaps): After the initial entry, Z_NASD noticed an order block forming and added a second position (scale-in). He then tightened stops to the FVG high — using the order block as a scale-in entry zone.
• 1:1 S2F strategy: The "breaker" entries referenced in the 15m and 1m examples are order blocks that have been confirmed by a CISD.
• Draw-on-liquidity video: DAX trade references price forming a swing at a 4H gap — the swing candle itself functions as an order block for the continuation entry.

ICT's Originator Perspective (from ICT / Michael J. Huddleston)

ICT (Inner Circle Trader) is the originator of order block theory and provides additional detail beyond the standard definition:

Rejection Block

The lowest closing price in a swing. When price trades below the rejection block without taking the actual swing low, it signals accumulation -- smart money is absorbing sell-side liquidity. In the S&P June 21, 2023 trade, price dipped below the rejection block at the NY lunch low but preserved the 1:00 PM swing low, confirming bullish accumulation before the PM session rally.

Order Block as Pyramiding Entry

ICT demonstrated entering long at a bullish order block on a 15-second chart, then using the order block's reclaim (price returning to and holding above it) as confirmation to add pyramid positions. The order block range defined the entry zone, with the inversion FVG inside it providing the precision level.

Real Order Flow

ICT defines real (algorithmic) order flow through the lens of inefficiencies: if a bullish move leaves a FVG above an order block and that FVG stays open (unfilled), bullish order flow is confirmed. If the FVG fills back in, the bullish thesis weakens. This is distinct from DOM/Level 2 "order flow" which ICT considers unreliable for directional analysis.

15-Second Chart Application

ICT explicitly used order blocks on 15-second charts, with entries at the order block level and stops below the inversion FVG. He demonstrated 10-lot limit orders filling at precise order block levels, yielding the $9,362 S&P trade.

When To Use

• As entry zones during pullbacks within a confirmed continuation trading move
• As scale-in points when price returns to a block after initial entry (NASDAQ recap technique)
• As draw targets on higher timeframes when untested
• Combined with fair value gaps for strongest confluence (OB inside an FVG)

Risks & Pitfalls

• Not every candle before a move is a valid order block — it must precede genuine displacement
• Trading order blocks against the higher-timeframe draw
• Ignoring invalidation — if price closes through the block, it's no longer valid
• Using order blocks on low timeframes (1m, 5m) without higher-TF context

Related Concepts

• fair value gaps — OBs and FVGs often overlap; OB inside an FVG is the highest-confluence entry
• breaker blocks — A failed/invalidated order block becomes a breaker
• draw on liquidity — Untested OBs are a type of draw
• continuation trading — OBs provide pullback entry zones within a confirmed move
• protected stops — Stops placed beyond the OB's origin
• change in structure — CISD often originates from an order block
• kill zones — OB entries are most reliable during kill zone windows
• optimal trade entry — OBs inside the OTE zone add confluence

Visual Examples

• See chart raw/charts/HEMiUWpbkAAdKwV.jpg for a visual example of order blocks on Gold 15m-30m — two rectangular zones drawn at ~4,500-4,520 (supply OB at the swing high) and ~4,420-4,450 (demand OB during the decline) mark institutional entry areas.
• See chart raw/charts/HEMiUWnaoAICZgg.jpg for a visual example of order block entry on Gold MGC 5m — a tight entry cluster at 4,402-4,404 represents a precise OB where 44+ micro contracts were scaled in.
• See chart raw/charts/HDg_hfLaUAI7c4z.jpg for a visual example of stacked order blocks on NASDAQ — two OB rectangles at ~24,460-24,480 and ~24,520-24,540 show a "staircase" bullish continuation with entries at each pullback to the OB.
• See chart raw/charts/HC7ZjrSaMAA7-r9.jpg for a visual example of an order block on NASDAQ MNQ 1m — a rectangular zone at ~24,300-24,340 marks the supply OB where the short entry is taken.

Sources

• Z_NASD Trade Recaps (raw/trade-recaps-nasdaq-gold.txt) — Scale-in at order block on NASDAQ short
• Z_NASD 1:1 Strategy (raw/1-1-strategy-s2f.txt) — Breaker/OB entries on 15m and 1m
• Order Block Explained - Alchemy Markets
• ICT Trading Explained
• ICT Setups Lecture (ICT / Michael J. Huddleston) -- youtube.com/watch?v=vuBRMFhFZAY -- Originator perspective; rejection block concept; OB pyramiding on 15-second chart; real order flow definition; $9,362 S&P trade using OB entries.
• ICT Advanced Liquidity Concepts (ICT) -- youtube.com/watch?v=C_0Jh7HwCUI -- Order flow through inefficiency lens; breakaway gaps as order flow confirmation.