Head and Shoulders Pattern: How to Trade the Reversal

The head and shoulders pattern is a bearish reversal formation made of three peaks: a left shoulder, a higher head and a right shoulder at about the same height as the left. A close below the support line connecting the lows between the peaks, called the neckline, signals that the prior uptrend has likely ended.

It is one of the most recognized patterns in technical analysis, and also one of the most over-identified. This guide covers the anatomy, volume clues, how to confirm a breakdown, a price target and a worked example with hypothetical numbers. It is educational only, not financial advice.

Key takeaways

• A valid head and shoulders needs a prior uptrend, three peaks with the middle one highest, two shoulders at roughly similar heights and a neckline connecting the two troughs.
• The pattern is only confirmed when price closes below the neckline; until then it is just a possibility.
• The classic price target is the vertical distance from the head to the neckline, subtracted from the breakout point.
• Volume usually fades from the left shoulder to the head to the right shoulder, then expands on the neckline break.
• The mirror image, the inverse head and shoulders, marks bullish reversals after downtrends.

What is the head and shoulders pattern?

The pattern is a trend-ending structure that shows buyers failing to extend an uptrend. Price rises to a peak (left shoulder), pulls back, rises to a higher peak (head), pulls back to a similar low, then rallies again but stalls near the left shoulder's height (right shoulder) before falling.

The story: the head is the last gasp of the uptrend. The failure to make a new high on the third rally shows demand drying up, and the neckline break shows sellers taking control.

What is the anatomy of the pattern?

Five parts define the pattern:

1. Prior uptrend. Without a meaningful advance, there is nothing to reverse.
2. Left shoulder. A peak followed by a pullback to the first trough.
3. Head. A higher peak followed by a pullback to the second trough, near the first trough's level.
4. Right shoulder. A lower peak, usually near the left shoulder's height, followed by a decline.
5. Neckline. A line through the two troughs. It can be flat or slope up or down. A downward-sloping neckline is generally considered more bearish than an upward-sloping one.

The pattern often takes several weeks to many months on a daily chart. Larger patterns tend to produce larger moves, while very small ones are often noise.

What does volume tell you?

Volume provides the best evidence of fading demand. In a textbook pattern, volume is highest on the left shoulder's rally, lower on the head and lower still on the right shoulder. The neckline break then comes with a noticeable pickup in volume, ideally at least 1.5 times the 50-day average.

This is a guideline. Patterns without the ideal volume signature happen, but a break on weak volume is more likely to fail. See the relative volume guide for how to measure it.

How do you confirm a head and shoulders breakdown?

You confirm a breakdown with a daily close below the neckline, preferably on high volume, rather than an intraday dip. Many traders also require a close of 1% to 3% below the line to filter false breaks.

After the break, price often rallies back to retest the neckline from below. A failed retest, where price stalls at the former support and turns down, is the classic second entry and often a better risk-to-reward point.

How do you calculate the price target?

The measured-move target is the distance from the head's peak to the neckline, projected downward from the break point.

Target = neckline - (head high - neckline)

This is a rule of thumb, not a prediction. Price often stalls at the first support below the neckline, so use the calculated target as a reference and check it against nearby support levels.

How do you trade a head and shoulders?

There are two main entries, each with defined risk:

1. Breakdown entry. Enter when price closes below the neckline. The stop goes above the right shoulder or just above the neckline for a tighter risk. The entry is simple but exposes you to false breaks.
2. Retest entry. Wait for a bounce back to the neckline that fails, then enter. The stop sits above the retest high. Entry is better, but some patterns never retest.

Worked example with hypothetical numbers

A stock rallies from $30 to $52 (left shoulder), pulls back to $46, climbs to $58 (head), falls back to $46 and rallies to $52.50 (right shoulder). The neckline is flat at $46. Volume fades across the three peaks.

The stock closes at $45.20 on 1.8 times average volume. It then bounces to $46.30 on light volume and rolls over.

• Entry (retest): $45.90 short.
• Stop: $47.60, above the retest high. Risk is $1.70.
• Target: head height $58 - $46 = $12, so $46 - $12 = $34. Reward is $11.90.
• Reward:risk: $11.90 / $1.70, about 7:1 on paper.

The ratio looks great because the stop is tight, but a tight stop is also easy to hit. Realistic results include partial gains at the first support near $40 and some failed trades. Short selling carries extra risks, including borrow costs and sharp rallies.

What are the signs of a failed head and shoulders?

A head and shoulders fails when price reclaims the right shoulder's high or breaks the neckline and then quickly closes back above it. Both events mean the sellers did not follow through, and the original uptrend may resume. Warning signs include a break on low volume, a right shoulder that rises above the head, and a market-wide rally that lifts the stock back through the line.

Failed patterns are useful on their own. A bullish reversal after a failed neckline break can trap short sellers, whose buying to cover adds fuel to a rally. If you are long and the stock reclaims the neckline within a few days, that is often a sign the downside threat has passed.

What are the best conditions for the pattern?

The best setups usually have these traits:

• A clear, extended prior uptrend of several months, not a short bounce.
• A head noticeably higher than both shoulders, rather than three nearly equal peaks.
• Fading volume across the three peaks.
• A neckline tested at least twice, so many traders watch the same level.
• A weak market or sector backdrop, which adds to selling pressure.

The more of these you see, the more seriously to take the pattern. The fewer, the more likely you are looking at ordinary choppy price action.

What about the inverse head and shoulders?

The inverse head and shoulders is the upside-down version: three troughs with the middle one lowest, forming after a downtrend. A close above the neckline signals a bullish reversal, with a target equal to the head-to-neckline distance added to the break.

For a long-only approach, this version is the actionable one. See the inverted head and shoulders guide.

How does it compare with other reversal patterns?

Common mistakes with head and shoulders

• Calling it before the neckline breaks. Many apparent patterns never complete; the right shoulder can keep rising.
• Ignoring the prior trend. The pattern needs an uptrend to reverse.
• Forcing symmetry. Shoulders do not need to match exactly, but a lopsided shape with a right shoulder higher than the head is invalid.
• Chasing a break on low volume. Weak volume raises the chance of a fakeout.
• Trusting the target blindly. Nearby support can stop the decline early.
• Forgetting the stop. The pattern is invalidated if price reclaims the right shoulder high.

The bottom line

A head and shoulders marks a potential trend change, but it only counts once price closes below the neckline. Use volume, a retest and a stop above the right shoulder or retest high, and treat the measured target as a guide. Patterns fail, past performance does not guarantee future results, and you should manage risk and do your own research.

StockSetups detects head and shoulders and inverse head and shoulders shapes in its after-close scan of the US equity universe. The board is long-only, so bearish formations are filtered out, while bullish setups appear in the Setting up, Breaking out, Broke out and Retesting breakout lanes.

For stops and sizing on the trade, see where to place a stop loss and position sizing and the 1% rule.