Trading term

What is Bullish engulfing?

A bullish engulfing is a two-candle reversal pattern in which a down candle is followed by an up candle whose body completely covers it. The second candle opens below the previous close and closes above the previous open.

The first candle continues the existing decline. The second opens lower still, which briefly hands sellers the advantage, and then buyers take over so decisively that by the close the entire prior candle's body has been swallowed. On the chart the second body visibly wraps the first.

The engulfing requirement is what gives the pattern its weight. A green candle after a red one is nothing; a green candle that erases a full session of selling after opening at an even worse price is a measurable shift in control. Traditional readings compare bodies only — open to close — and ignore the wicks, which is why a candle can be engulfing without exceeding the prior candle's high and low.

It is the stronger sibling of the piercing line, which only recovers past the midpoint of the prior body rather than the whole of it. The bearish mirror is the bearish engulfing.

One candle erasing the last
IN CONTEXTA decline, then one candle erases the whole previous session.ZOOMED INc1 openc1 closecloses abovecandle 1candle 2Bodies are compared, not wicks: open below the prior close, close above the prior open.

Candle two opens below the prior close at $45.70 and finishes at $48.60, above the prior open — the body completely covers candle one's.

For example

A stock falls from $47.80 to close at $46.10. The next session opens at $45.70 — below that close — and rallies all day to finish at $48.60, above the prior candle's $47.80 open. The second body fully covers the first, and price turns higher.

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Why it matters to you

The pattern hands you an unusually clean invalidation: the low of the engulfing candle. If buyers really did take control there, price should not revisit it, so a stop below it is both logical and testable. And because the definition is arithmetic rather than visual, it can be coded and backtested instead of eyeballed.

⚠ Size matters — a tiny prior candle proves nothing

Engulfing a doji or a very small body is trivially easy and carries almost no information, yet it satisfies the textbook definition. The pattern is meaningful when a substantial down candle gets erased, and when it appears after a real decline rather than mid-range. Check that the first candle was worth engulfing.

Frequently asked questions

What is a bullish engulfing pattern?

It's a two-candle pattern where a down candle is followed by an up candle whose body completely engulfs it — opening below the previous close and closing above the previous open. It signals that buyers have taken control from sellers.

Does a bullish engulfing candle need to engulf the wicks too?

Traditionally no — the classical definition compares real bodies only, from open to close. Some traders prefer the stricter version where the whole range including wicks is engulfed, which is rarer and generally considered stronger.

How reliable is a bullish engulfing pattern?

It's among the more reliable single candlestick signals, but only with context. It works best after a genuine decline, at a support level, and when the engulfed candle was substantial rather than a doji. Many traders also want higher volume on the engulfing candle.

What's the difference between a bullish engulfing and a piercing line?

How much the second candle recovers. A piercing line closes above the midpoint of the prior body; a bullish engulfing closes above the prior body entirely. Same idea, and the engulfing version is the stronger of the two.

Related terms

Anchored VWAPAnchored VWAP is a volume-weighted average price that starts from one candle you choose, rather than resetting at the start of each session. You anchor it to a meaningful event — an earnings gap, a major low, a breakout — and it tracks the average price everyone has paid since.Ascending triangleAn ascending triangle is a bullish continuation pattern: a flat horizontal resistance line on top, with a rising trendline of higher lows beneath it. As the higher lows squeeze price against the ceiling, pressure builds — and it usually resolves with a breakout up through the resistance.ATR (Average True Range)ATR (Average True Range) measures how much a security typically moves in a period — its volatility — as an average of recent trading ranges. It doesn't say which direction price is heading, only how far it tends to travel, which makes it a core tool for stop-losses and position size.Bearish engulfingA bearish engulfing is a two-candle reversal pattern in which an up candle is followed by a down candle whose body completely covers it. The second candle opens above the previous close and closes below the previous open.
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