Body Anatomy: What Candle Size and Color Tell You

Every candlestick body is a compressed story of the entire session. When buyers opened the market and drove price higher, then held that ground through the close, the body is large and green. When sellers pushed price down and kept it down, the body is large and red. When neither side dominated — when price opened, moved in both directions, and returned near where it started — the body is small or absent entirely. Before you learn patterns, you need to read bodies. Body size and color answer one question before any other: who was in control?

This lesson covers three body types that appear across all timeframes and all instruments. Each body type has a different win rate, a different implication, and a different rule for when to act on it.

The Four Body Dimensions

Every candlestick body communicates through four dimensions. Miss any one of them and you will misread the candle.

Size is the distance between the open and close. A large body — covering more than 70% of the total candle range — signals strong conviction from one side. A small body — covering less than 30% of the range — signals that neither side achieved decisive control.

Color tells you direction. A green (bullish) body means the close is above the open: buyers won the session. A red (bearish) body means the close is below the open: sellers won the session. Color confirms direction; size confirms conviction.

Position is where the body sits relative to the overall candle range. A body positioned in the upper half of the range means buyers pushed back and held. A body in the lower half means sellers maintained pressure into the close. A body in the middle means neither side retained an advantage.

Wick ratio is the proportion of total candle range occupied by wicks versus body. A candle with minimal wicks and a large body behaved differently from a candle with matching wicks above and below a small body. The wick ratio tells you how much price was contested outside the opening and closing range.

Marubozu — The Conviction Candle

The Marubozu is the clearest candle in technical analysis. It has no upper wick, no lower wick, and a body that runs from the session open to the session close. The full candle range is body. No price was rejected outside the open-to-close range. One side opened the market, took control immediately, and never released it.

A bullish Marubozu opens at the low of the session and closes at the high. Buyers controlled price from the first tick to the last. There was no moment where sellers drove price below the open. A bearish Marubozu opens at the high and closes at the low — sellers dominated from open to close with no buyer recovery.

When to trade a Marubozu: The Marubozu is a continuation signal when it appears mid-trend. A bullish Marubozu in an uptrend confirms momentum and favors long entries on the next pullback. A bearish Marubozu in a downtrend confirms selling pressure and favors short entries on the next bounce. At the start of a new trend — after a consolidation breakout or a test of a major level — the Marubozu signals the opening move of a larger move.

When the Marubozu fails: The Marubozu fails most often on short timeframes where a single large order can produce an artificially clean candle. A 5-minute Marubozu in a thin market may reflect one algorithmic order rather than genuine participant consensus. The pattern is significantly more reliable on 1-hour and above, where the full candle range represents actual multi-participant price discovery.

The Marubozu outperforms all three patterns at every timeframe. Its 68% daily win rate is the highest in this lesson and reflects the strength of the underlying signal — full session control with no price rejection.

Spinning Top — The Indecision Candle

The Spinning Top has a small body and long wicks on both sides. Price moved significantly above and below the open during the session, but the session closed near where it opened. Buyers pushed higher during the session and were rejected. Sellers pushed lower and were rejected. Neither side held its advantage.

What the wicks reveal: The upper wick tells you that buyers attempted to push higher but failed — sellers entered at the high and drove price back down. The lower wick tells you that sellers attempted to push lower but failed — buyers entered at the low and pushed price back up. The small body in the middle shows that neither group succeeded. The session ended in disagreement.

Why the Spinning Top is unreliable alone: Disagreement is not a directional signal. The market does not know whether the next session will resolve in favor of buyers or sellers. The Spinning Top's 40% win rate on a 5-minute chart is below random — a pattern that performs worse than a coin flip tells you nothing about direction. Even on a daily chart at 58%, the Spinning Top requires confirmation from the following candle before any trade is justified.

The Spinning Top becomes meaningful only in context. A Spinning Top at a major resistance level after a strong uptrend suggests the buyers who drove the trend are losing conviction — but you need the next candle to break lower before acting. A Spinning Top at support after a downtrend suggests sellers may be exhausting — but the next candle must close higher before you enter.

Doji — The Equilibrium Candle

The Doji is an extreme case of the Spinning Top. Where the Spinning Top has a small body, the Doji has almost no body at all — the open and close are identical or within a tick of each other. Every session produces buying and selling. The Doji says that at the end of the session, those forces were exactly equal. Neither side is winning.

Doji at Resistance: When a Doji forms at a known resistance level after an uptrend, it signals exhaustion. Buyers pushed price into resistance — the same level that stopped price before — and could not close above it. The session ended at the open. This is a potential reversal signal, but potential only. The Doji itself is equilibrium; it does not predict which direction equilibrium breaks.

Doji at Support: When a Doji forms at a known support level after a downtrend, it signals that sellers reached a contested level and could not hold price lower. The session closed where it opened. This is a potential bullish reversal signal, but again, confirmation is required.

The Doji's win rates — 62% on the daily at both resistance and support — are reasonable for a pattern that requires the additional confirmation step. The confirmation candle filters out the majority of failed Doji signals.

Three Body Types in Sequence

This chart shows a real price sequence where all three body types appear. The bullish Marubozu on January 10 drives price strongly higher with full session control. The Doji on January 12 forms exactly at the resistance line — equilibrium at a contested level. The bearish Marubozu on January 16 confirms the reversal with full seller control, driving price lower. The Doji on January 18 forms at the support level, signaling another potential turning point.

Notice that the two Marubozus are the action candles — they move price decisively in one direction. The two Dojis are the pause candles — they appear at critical levels where one trend ends and the other has not yet begun. This alternation between conviction and equilibrium is a recurring structure in price action across all timeframes and instruments.

Applying Body Anatomy in Practice

Reading bodies in real time requires three habits. Develop them before moving to Lesson 3.

First: measure before you label. Before calling a candle a Marubozu, check the wick ratio. A candle with a 5% wick at the top is not a true Marubozu — it shows minor rejection. Call it a near-Marubozu and reduce your confidence slightly. Precision in labelling leads to precision in trading.

Second: always identify the level before the pattern. A bullish Marubozu in the middle of a consolidation range means less than a bullish Marubozu that breaks out of resistance. A Doji at no particular level is not a setup. A Doji sitting precisely at a weekly pivot or a prior swing high is a high-probability equilibrium signal. The pattern is secondary; the level is primary.

Third: scale your expectations to the timeframe. A Marubozu on a 5-minute chart with a 55% win rate requires a risk-reward ratio of at least 1:2 to be profitable over time. The same pattern on a daily chart at 68% can be traded at 1:1.5. Know your timeframe, know the win rate, and size accordingly. Lesson 11 covers the full position-sizing framework by win rate, but the habit starts here.

These three body types — Marubozu, Spinning Top, and Doji — appear in every chart on every timeframe. You will see them inside every multi-candle pattern in Lessons 3 through 6. Engulfing patterns are made of Marubozus. Morning and Evening Stars are built around Dojis. Harami patterns center on a Spinning Top inside a large body. Every pattern in this course starts with the same body anatomy you learned here.