TA School

Candlestick Anatomy

Master the anatomy of a candlestick: learn how Open, High, Low, and Close prices form bodies and wicks, and understand what candle shapes reveal about market psychology.

beginner level8 min read

Interactive Model

Interactive Visual Walkthrough

Candlestick Data Formation

Step 1 of 6
OPEN LEVEL (100)
Single Candle

A single candle records all buying and selling transactions that occur during a specific time interval (e.g. 1 hour).

Why it matters: Candlesticks condense complex market transactions into a single, clean visual stamp.

Introduction

A candlestickCandlestickA method of displaying financial price data that shows the open, high, low, and closing prices of a security for a specific time period.Read full glossary entry → chart is a visual storytelling device. Every single candle on the chart represents a specific unit of time (e.g., 5 minutes, 1 hour, or 1 day). By learning how to read the anatomy of a single candlestickCandlestickA method of displaying financial price data that shows the open, high, low, and closing prices of a security for a specific time period.Read full glossary entry →, you can look beyond simple price movements and read the actual battle between buyers and sellers, identifying who is winning the immediate struggle for control.


Why It Matters

  • Translates Price into Psychology: Reveals the emotions of market participants (greed on large green bodies, panic on long upper wicks).
  • Shows Rejection Instantly: Long wicks indicate levels where price was rejected, warning you of resistanceResistanceA price level where selling pressure is strong enough to prevent the price from rising further. It represents a "ceiling" on the chart.Read full glossary entry → or supportSupportA price level where buying pressure is strong enough to prevent the price from falling further. It represents a "floor" on the chart.Read full glossary entry →.
  • Forms Reversal Signposts: Candlestick formations (like hammers or shooting stars) act as entry signals.
  • Standardizes Analysis: Provides four universal values (OHLCOHLCAn acronym standing for Open, High, Low, and Close, representing the key price points of a specific trading period.Read full glossary entry →) for any asset on any timeframe.

Anatomy Components

Every standard candlestick has three structural components:

High Price Close Price Open Price Low Price Real Body BULLISH (GREEN) High Price Open Price Close Price Low Price Real Body BEARISH (RED)
  1. The Real Body: The colored central rectangle. It marks the distance between the Open (the first transaction price of the session) and the Close (the final transaction price).
    • Bullish (Green/White): Close > Open.
    • Bearish (Red/Black): Close < Open.
  2. The Upper Wick (Shadow): The line rising from the top of the body. It represents the High (the highest price reached during the session).
  3. The Lower Wick (Shadow): The line descending from the bottom of the body. It represents the Low (the lowest price reached during the session).

Interpreting Candle Shapes

The relative size of wicks and bodies tells a story:

  • Large Body, No Wicks: Strong commitment. The trendTrendThe general direction in which a security or market is moving over time.Read full glossary entry → is moving rapidly in one direction without hesitation.
  • Small Body, Long Wicks: High volatility but indecision. Both sides pushed price hard, but closed near the center (often called a Doji or spinning top).
  • Small Body, Long Lower Wick: Rejection of lower prices. Sellers pushed price down, but buyers stepped in aggressively to drive it back up before the close (Hammer/Pin Bar).

Common Mistakes

[!WARNING]

  • Ignoring the Timeframe: Thinking a hammer on a 1-minute chart has the same significance as a hammer on the Daily chart. Higher timeframe candles represent far more volumeVolumeThe total number of shares, contracts, or units of a security traded during a specified time period.Read full glossary entry → and are significantly more reliable.
  • Trading Before the Candle Closes: Entering a trade because a candle "looks like an engulfing pattern," only for price to reverse in the final seconds before the close. Always wait for the candle to close to confirm its anatomy.
  • Focusing Only on Color: Forgetting that a green candle can have a long upper wick showing heavy selling pressure near the close. You must evaluate the wicks alongside the body color.

Key Takeaways

  • Every candlestick represents a specific timeframe and contains four key price points: Open, High, Low, and Close.
  • The real body is the rectangular colored portion representing the price difference between the Open and Close.
  • Wicks (shadows) are the thin lines extending from the body, showing the extreme highs and lows reached during the session.
  • A green candle indicates bullish sentiment (Close is higher than Open), while a red candle indicates bearish sentiment (Close is lower than Open).
  • The relative size of bodies and wicks reveals the balance of power between buyers and sellers.
Knowledge CheckQuestion 1 of 5

Which part of the candlestick represents the price difference between the Open and the Close?