Candlestick Anatomy
Learn how to read candlestick anatomy — open, high, low, close, body, and wicks and understand what each part tells you about market sentiment and price control
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Key Takeaways
- Every candlestick is built from four prices: Open, High, Low, and Close. Together they tell the full story of a trading session.
- The body shows who won the session – buyers or sellers. The wicks show where the market tested but could not hold.
- A single candle read without context is just a shape. Placed at the right level, it becomes a signal.
What Is Candle Anatomy?
A candlestick is more than a coloured bar on a chart. Each one is a compressed record of an entire trading session – who pushed, who resisted, and who ultimately finished in control.
If you are new to how price data is displayed on a chart, start with Types of Chart before continuing.
Every candle is built from four prices: the Open (where the session began), the High (the peak reached), the Low (the lowest point touched), and the Close (where the session ended). These four numbers produce two visible components: the body and the wicks.
The body is the thick rectangular section between the open and close. A green or white body means the close was above the open – buyers controlled the session. A red or black body means sellers held the upper hand. The wicks, sometimes called shadows, extend above and below the body and show the price extremes that were reached but not sustained by the close.
How Does It Work?
Each candle forms over a set time period – one minute, one hour, one day – depending on which timeframe you are using. Here is what each part tells you:
- Open – where price started at the beginning of the period
- High – the furthest point price reached on the upside
- Low – the lowest point price reached during the period
- Close – where price ended when the candle closed
- Body – the range between open and close. Wide body = strong conviction. Narrow body = indecision.
- Upper wick – price pushed higher but was rejected. Sellers stepped in before the close.
- Lower wick – price dropped lower but recovered. Buyers absorbed the selling pressure.
Colour gives you direction at a glance. Body size tells you force. The wicks tell you where the market was turned away.
Example
EUR/USD on a daily chart. One candle, one full trading session.
| Price Point | Level |
|---|---|
| Open | 1.0800 |
| High | 1.0870 |
| Low | 1.0775 |
| Close | 1.0855 |
The body runs from 1.0800 to 1.0855, a 55-pip green body. Buyers held control through the session. The upper wick to 1.0870 shows that buyers pushed further, but selling pressure capped the move before the close. The lower wick to 1.0775 tells you sellers attempted to drive price 25 pips below the open – and failed. Buyers absorbed that pressure and pushed strongly back up.
One candle. Four prices. An entire session of market behaviour made visible.
Why It Matters
Without reading candle anatomy, everything else – patterns, entries, exits – is guesswork. The body and wicks together tell you whether conviction was strong or thin, and whether a move is likely to continue or stall.
A wide body with short wicks means one side dominated cleanly. A narrow body with long wicks in both directions means neither side won convincingly. That distinction alone changes whether a level is worth trading or worth avoiding.
Wicks also have a direct relationship with how you protect a trade. The high or low of a significant candle often becomes a natural reference point for stop placement – a level where the market has already shown that price was rejected and could not hold. If you are building your understanding of trade protection, it is worth reading Risk Management alongside this topic.
Common Mistakes
| Mistake | Why It Matters | |
|---|---|---|
| Mistake 1 | Ignoring the wicks | The body gets most of the attention, but the wicks carry critical context. A long lower wick after a sell-off often means buyers are defending that level, which can precede a reversal. Wicks are where the real push-and-pull happens. |
| Mistake 2 | Trusting colour alone | A green candle is not automatically bullish. A green candle with a long upper wick and tiny body means buyers barely held on – sellers were aggressive. Colour shows direction; structure shows conviction. |
| Mistake 3 | Reading candles in isolation | One candle tells you something. A sequence tells you far more. Patterns only become meaningful when a candle is placed in context with what came before and after it. |
Quick Summary
- A candlestick captures four prices in one visual: Open, High, Low, and Close. The body shows who controlled the session; the wicks show where price was rejected.
- Body size tells you conviction. Wick length tells you where the market pushed but failed to hold. Both carry equal weight.
- No single candle is a signal on its own. Context, sequence, and location are what give candle anatomy its practical value.
Next Steps
Now you can read what a single candle is saying. The next step is understanding where those candles carry the most weight.
- [Support and Resistance] – Learn which price levels give candle signals genuine meaning, and how to identify the zones where buyers and sellers consistently show up.
- [Candlestick Patterns] – See how two or three candles together form recognisable formations that signal potential reversals and continuations.
Take Action
Open a demo account and pull up any currency pair on a daily chart. Pick five candles, one at a time, and identify the open, high, low, close, body, and wicks before you focus on what the shape might mean. Do this for a week and the reading becomes automatic. Practice this using a demo account before trading with real money.
