---
title: "Double Top and Double Bottom Patterns: The Full Guide"
description: "Chart Patterns, Technical Analysis, Swing Trading"
url: https://easyswing.trading/blog/double-top-double-bottom-pattern/
updated: 2026-07-24
---

# Double Top and Double Bottom Patterns: The Full Guide

*9 min read | July 2026 | Tags: Chart Patterns, Technical Analysis, Swing Trading*


In Thomas Bulkowski's bull-market perfect-trade studies, 1,114 confirmed [Adam & Adam double tops](https://www.thepatternsite.com/aadt.html) had a 25% break-even failure rate and a 15% average decline, while 1,154 [Adam & Adam double bottoms](https://www.thepatternsite.com/aadb.html) had a 16% break-even failure rate and a 39% average rise. These are historical results under Bulkowski's methodology, not forecasts for individual trades. This guide covers the anatomy of both, the Adam-and-Eve taxonomy, the conventional measured target, and how to assess the patterns alongside EasySwing's market-regime context.

## The Double Top and Double Bottom, Defined

A double top is a bearish reversal pattern: price rallies to a high, pulls back, rallies again to a similar high, then fails and breaks down through the support level (the neckline) formed by the pullback low between the two peaks. Its shape on a chart resembles the letter "M," which is why traders sometimes call it the M pattern.

A double bottom is the bullish mirror image: price declines to a low, bounces, declines again to a similar low, then reverses and breaks up through the resistance level (the neckline) formed by the bounce high between the two troughs. Its shape resembles a "W."

Both patterns only qualify as reversals when they form after an existing trend — a double top needs a genuine prior uptrend behind it, and a double bottom needs a genuine prior downtrend. A two-peak or two-trough shape appearing inside a directionless, choppy stock is noise, not a signal; the context of what came before the pattern is what turns the shape into a reversal read.

## Anatomy: Two Peaks, One Neckline, One Confirmation

Both patterns share the same four-part structure, just inverted. Skipping the confirmation step is the most common reason traders call a pattern too early, before it has actually completed.

- **First peak or trough:** Price reaches a high (double top) or low (double bottom) on the existing trend's momentum, then reverses.
- **Neckline:** The support level (double top) or resistance level (double bottom) set by the reversal between the two peaks or troughs. This line is what the second move needs to break for the pattern to confirm.
- **Second peak or trough:** Price returns to a level close to the first peak or trough — Bulkowski's own criteria allow roughly a few percent of separation between the two — but fails to meaningfully exceed it before reversing again.
- **Confirmation:** A daily close beyond the neckline: below it for a double top, above it for a double bottom. Without a closing break, the pattern is unconfirmed — just two peaks or two troughs, not yet a completed reversal.

In Bulkowski's Adam & Adam studies, 60% of potential double tops and 48% of potential double bottoms did not confirm by closing beyond the neckline. That is why a two-peak or two-trough outline is not a completed pattern until confirmation.

## Adam and Eve: The Shape Taxonomy

Bulkowski classifies each peak or trough as either "Adam" (narrow, often a single sharp spike) or "Eve" (wider and more rounded), producing four named combinations for each pattern type: Adam & Adam, Adam & Eve, Eve & Adam, and Eve & Eve.

| Variant | Shape | Typical Context |
|---|---|---|
| Adam & Adam | Two narrow, spike-like extremes | Bull-market double tops perform strongest here |
| Adam & Eve / Eve & Adam | One narrow, one rounded extreme | Mixed performance, less commonly the default reference case |
| Eve & Eve | Two wide, rounded extremes | What most chartists picture as the "classic" double top or bottom |

The distinction matters because the four variants do not perform identically. The Adam & Adam figures used here are one documented variant, not a claim that it is the strongest: its performance ranks are 19 of 36 for tops and 26 of 39 for bottoms in the linked studies. Comparisons across variants require their separate source pages and methodology.

## Double Top vs. Double Bottom: The Data

The asymmetry between the two patterns is large enough that treating them as simple mirror images is a mistake — the double bottom is the structurally stronger setup on every reliability metric, even though the double top still ranks as a usable bearish pattern.

| Metric | Double Top (Adam & Adam) | Double Bottom (Adam & Adam) |
|---|---|---|
| Sample size (Bulkowski) | 1,114 trades | 1,154 trades |
| Break-even failure rate | 25% | 16% |
| Average move | -15% decline | +39% rise |
| Meets price target | 64% | 73% |
| Pullback / throwback rate | 64% | 67% |

A 25% break-even failure rate means one in four confirmed double tops in that study did not move at least 5% beyond the breakout price before reversing. The bottom study reported better failure and average-move figures, but those historical differences do not by themselves justify a larger position. Sizing depends on entry, stop distance, liquidity, account risk, and the trader's own rules.

## Measuring the Price Target

The standard measuring technique is the same for both patterns: take the vertical distance from the peak (or trough) down to (or up from) the neckline, then project that same distance from the breakout point in the breakout direction.

For a double top: measure from either peak down to the neckline directly beneath it, then subtract that distance from the neckline price at the point where price closes below it. For a double bottom: measure from either trough up to the neckline directly above it, then add that distance to the neckline price at the breakout point. Stop placement follows the same logic as any breakdown or breakout trade — above the second peak for a short entry on a confirmed double top, below the second trough for a long entry on a confirmed double bottom.

Pullbacks and throwbacks — price returning to retest the neckline after the initial breakout, before continuing in the breakout direction — occur in roughly two-thirds of confirmed patterns for both types. A retest of the neckline is not, by itself, a sign the pattern has failed; it becomes a concern only if price closes back through the neckline in the opposite direction.

## Double Top/Bottom vs. Other Reversal Patterns

The double top and double bottom belong to the same reversal family as the [head-and-shoulders pattern](/blog/swing-trading-strategies-complete-guide), which uses the same neckline-and-confirmation logic but with three peaks or troughs instead of two. Bulkowski's data generally ranks the head-and-shoulders slightly ahead of the double top on reliability — the middle peak's clear failure to hold in a head-and-shoulders gives a cleaner exhaustion signal than a double top's simpler two-peak structure.

The double bottom's role also overlaps in practice with the [cup and handle](/blog/cup-and-handle-pattern-oneil-breakout) — both mark a transition from a prior downtrend or consolidation into a new advance — but the shapes and measuring rules are distinct. A double bottom is a sharper, faster V-and-V structure; a cup and handle is a slower, rounded base with a final tight pullback. Conflating the two produces the wrong target calculation.

## Regime Dependence

Neither pattern should be assessed independently of the broader [market regime](/blog/market-regime-bull-bear-choppy). EasySwing reports five categorical states — Trending Up, Trending Down, Ranging, High Volatility, and Transitioning — from market-level inputs including SPY price structure, breadth, McClellan momentum, and VIX. They are not a linear Strong Bull-to-Strong Bear scale, and Transitioning does not specify a direction.

- **Trending Up:** A bearish top is fighting a supportive market backdrop, while a confirmed bottom is aligned with it.
- **Trending Down:** A confirmed top is aligned with the market backdrop, while a bullish bottom needs stronger independent confirmation.
- **Ranging:** Twin-peak and twin-trough shapes can simply be range-bound price action rather than reversals.
- **High Volatility:** Wider daily ranges can make neckline breaks noisier and increase practical execution risk.
- **Transitioning:** Signals are mixed or inputs are incomplete; the label is deliberately direction-neutral.

A double top completing while the broader market is still firmly TRENDING_UP is a lower-conviction signal than the same pattern completing alongside deteriorating [RS rank](/blog/relative-strength-rank-rs-90-swing-trading) and a broader regime rollover.

## How EasySwing Relates to Double Top/Bottom Setups

EasySwing does not run a standalone double-top or double-bottom shape classifier. The pattern therefore requires a trader's own visual assessment and neckline confirmation; a scanner result should not be described as detecting or confirming this shape.

Stock-level RS rank and ADX can provide separate context for a chart under review, but they are not both inputs to the market-regime classifier. That classifier uses market-level data and does not recognize a stock's two-peak geometry.

EasySwing's active [Trend Pullback](/blog/pullback-to-rising-ma-trend-entry) and [VCP Breakout](/blog/vcp-setup-volatility-contraction-pattern) detectors use their own moving-average and contraction rules; neither classifies a double bottom. A stock may independently qualify for one of those named setups after a breakout, but that is a separate signal. Run a scan at [strategies](/strategies) to see which setups are currently live.

## Practical Checklist

Before treating a two-peak or two-trough structure as a confirmed double top or double bottom, verify these conditions:

✅ The pattern forms after an established prior trend — a genuine uptrend for a top, a genuine downtrend for a bottom
✅ The two peaks (or troughs) sit within a few percent of each other — a large gap between them weakens the read
✅ A daily close confirms the neckline break — a wick-only touch or intraday poke is not confirmation
✅ Volume expands on the breakout relative to the pullback or bounce between the two extremes
✅ The broader [market regime](/blog/market-regime-bull-bear-choppy) supports the direction of the break
✅ RS rank confirms the direction — deteriorating for a double top, improving for a double bottom

❌ Do not call the pattern before the neckline closes broken — the source studies report different non-confirmation rates for tops and bottoms
❌ Do not treat every double top or bottom as equivalent — the Adam/Eve variant and the top-vs-bottom asymmetry both affect the odds
❌ Do not assume a neckline retest means the pattern failed — throwbacks and pullbacks occur in roughly two-thirds of confirmed patterns
❌ Do not chase a breakout that has already traveled most of the measured-move distance before you can enter

## Frequently Asked Questions

**What is a double top pattern in stock trading?**

A bearish reversal pattern where price reaches a high, pulls back, rallies to a similar high a second time, then fails and breaks down through the neckline formed by the pullback low between the two peaks. Bulkowski's research on 1,114 confirmed Adam & Adam double tops found a 25% break-even failure rate and an average decline of 15% after confirmation.

**What is a double bottom pattern in stock trading?**

The bullish mirror image of the double top: price declines to a low, bounces, declines to a similar low a second time, then reverses and breaks up through the neckline formed by the bounce high between the two troughs. Bulkowski's bull-market perfect-trade study of 1,154 confirmed Adam & Adam double bottoms reports a 16% break-even failure rate and an average rise of 39%.

**How do you calculate the price target for a double top or double bottom?**

Measure the vertical distance from either peak (or trough) to the neckline directly beneath (or above) it, then project that same distance from the breakout point in the breakout direction. This measured-move method is identical for both patterns — only the historical odds of reaching that target differ, at 64% for double tops and 73% for double bottoms per Bulkowski's tracked data.

**What is the difference between Adam and Eve double tops?**

Adam refers to a narrow, spike-like peak or trough, often forming in a single day; Eve refers to a wider, more rounded extreme. The two combine into four variants — Adam & Adam, Adam & Eve, Eve & Adam, and Eve & Eve. Bulkowski publishes separate results for each; Adam & Adam is not the strongest by every measure.

**Does EasySwing screen for double top and double bottom patterns?**

No. EasySwing does not currently expose a standalone double-top or double-bottom detector. Its market-regime label can provide broader context, and a stock may separately qualify for an active named setup, but neither result detects or confirms this chart pattern.

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*EasySwing.trading provides market-regime context and scans for its own named setups; it does not detect double-top or double-bottom geometry. For the three-peak variant, see [Swing Trading Strategies](/blog/swing-trading-strategies-complete-guide); for the base-pattern comparison, see [Cup and Handle](/blog/cup-and-handle-pattern-oneil-breakout). Scan results are for informational purposes only. See our [Risk Disclaimer](/disclaimer).*


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*This is the LLM-optimized version. [View the interactive page](https://easyswing.trading/blog/double-top-double-bottom-pattern) for the human-friendly version.*