How reliable is the head & shoulders pattern?

In Bulkowski's data the break-even failure rate is about 19% (≈81% break-even), ranking it 9th of 36 bearish patterns — one of the more dependable tops when confirmed.

What is the price target?

Measure the distance from the top of the head down to the neckline, then project that same distance below the point where price breaks the neckline.

What is an inverse head & shoulders?

The same shape flipped at a market bottom — three troughs with a lower middle. It confirms on a neckline breakout to the upside and is a bullish reversal.

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// library.lesson

Head & shoulders pattern

The most recognised reversal in trading: three peaks with a higher middle, a neckline, and a measured downside target. ~81% break-even rate on Bulkowski's data.

8 min read Pattern Deep-Dives

81%

Break-even rate (up-trend top)

-16%

Average decline

9 / 36

Bulkowski rank (bearish)

~45%

Pullback / throwback rate

// key takeaways

▸ Three peaks: the middle (head) is the highest; the two shoulders are roughly level.
▸ Confirmation is a close below the neckline drawn under the two troughs.
▸ Target = height from head to neckline, projected below the break.
▸ A pullback to the neckline after the break is common — and a second entry.

// figure: head & shoulders pattern

figure.svg

Head & shoulders — left shoulder, higher head, right shoulder, neckline breakdown.

How it forms

A head & shoulders top marks the transition from uptrend to downtrend. Buyers make a high (left shoulder), a higher high (head), then fail to exceed the head on the next push (right shoulder). Connecting the two lows between the peaks gives the neckline — the line that matters.

The trading playbook

› Entry — on a decisive close below the neckline, or on the throwback that retests the neckline from below as new resistance.
› Stop — above the right shoulder (or above the head for a wider, safer stop).
› Target — measure the vertical distance from the head to the neckline and project it down from the breakdown point.

Volume & the inverse

Classic head & shoulders shows declining volume into the head and right shoulder, then a volume expansion on the breakdown. The mirror image at a market bottom — the inverse head & shoulders — is one of the most reliable bullish reversals and is traded exactly the same way, flipped.

// common mistakes

✕ Shorting the right shoulder before the neckline breaks — that is anticipation, not confirmation.
✕ Drawing the neckline off the wrong swing lows.
✕ Ignoring the higher-timeframe trend the top is trying to reverse.

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// related lessons

Double bottom (W) pattern

Two failed attempts at the same low that flip a downtrend. The Eve & Eve variant ranks 5th of 39 bullish patterns; ~84% break-even, ~39% average rise.

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Bull flag pattern

A sharp rally, a tight orderly pullback, then continuation. The high-and-tight variant is elite; standard bull flags carry a ~44% break-even failure rate — so confirmation matters.

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Cup & handle pattern

A rounded base followed by a small pullback handle, then a breakout. Ranked 3rd of 39 bullish patterns by Bulkowski — averaging a 54% rise on 913 trades.

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Ascending triangle pattern

Flat resistance with rising support — buyers stepping up into a ceiling. ~83% break-even rate and a ~43% average rise; usually resolves to the upside.

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Double top (M) pattern

Two failed attempts at the same high that flip an uptrend. Ranked 19th of 36 bearish patterns; ~75% break-even rate and a ~15% average decline.

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Falling wedge pattern

Two down-sloping, converging trendlines that usually resolve upward. A bullish pattern where selling exhausts into the apex — confirm with a breakout on volume.

Read

Bull pennant pattern

A brief converging-triangle pause inside an uptrend after a sharp pole. Breaks up only ~57% of the time, so volume confirmation is essential.

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Triple bottom pattern

Three failed tests of the same support that build a firm base. ~13% failure, ~46% average rise and a ~74% target-hit rate on 2,500+ Bulkowski trades.

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Educational content only — not financial advice. Pattern statistics reference Thomas Bulkowski (thepatternsite.com) and published technical-analysis literature.