Bulkowski’s Eve & Adam Double Tops

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Eve & Adam double tops do better in a bear market than in a bull market according to the performance rank. Pullbacks happen almost two-thirds of the time, so expect one after a downward breakout, especially if there is nearby underlying support. For more information see pages 307 to 320 of the book Encyclopedia of Chart Patterns, Second Edition and the following...

Eve & Adam double top chart pattern

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Important Bull Market Results

Overall performance rank (1 is best): 13 out of 21
Break even failure rate: 13%
Average decline: 15%
Pullback rate: 64%
Percentage meeting price target: 72%

Identification Guidelines

Characteristic Discussion
Price trend Upward leading to the pattern
Shape Two distinct tops that look different. Eve appears first and is rounded looking and wider than Adam. Adam comes second and is narrow, an inverted V, often in a 1-day price spike.
Valley The valley drop between the tops should measure at least 10%, but allow exceptions. The figure to the right shows the details.
Top price The variation between price peaks is small, less than 3%. The two tops should appear to peak near the same price. Oddly, a large price variation suggests better postbreakout performance. The figure to the right shows the details for generic double tops.
Separation The twin peaks are several weeks apart with most falling in 2 to 6 week range. The figure to the right shows the details.
Confirmation The double top confirms as a true double top once price closes below the valley between the two peaks.
Volume Usually higher on formation of the right peak. This is the only double top with that configuration.

Trading Tips

Trading Tactic Explanation

Measure rule

Compute the height from the highest peak (B in the figure to the right) to the lowest valley (A) in the pattern then multiply by the above “percentage meeting price target.” Subtract the result from the breakout price (A) to get the target (C).
Price reversal Price must have something to reverse, so if the rise leading to the double top is small, expect a small decline.
Confirmation Wait for confirmation – price to close below the valley floor (point A in the figure to the right). If you don’t wait, there’s a 65% chance that price will continue higher without confirming the double top.
Trend end If a double top appears after a long-term decline (meaning the double top appears as part of an upward retrace in a downtrend), confirmation of the top may mean that the end of the decline is near (10% to 20% below and a month away).
Trends A short-term rise leading to the double top results in the best postbreakout performance.
Yearly high Avoid double tops in the middle of the yearly price range. They show the worst performance postbreakout, but differences are small.
Volume trend A downward volume trend between the peaks shows marginally better performance, postbreakout.
Pullbacks Pullbacks hurt postbreakout performance.

Double top setup

Eve and Adam double top measure rule
Measure Rule

Example

Eve & Adam double top chart pattern example

The above figure shows an example of an Eve & Adam double top chart pattern. The Eve top has several days at about the same price level. Adam top has a long, single price spike. The two tops look different. Eve is wider than Adam and more rounded looking. The Eve & Adam double top chart pattern confirms when price closes below the valley between the two tops, shown here as point A. Price at point B attempts a pullback but does not quite make it up to the price level of the breakout (A). Just by looking at this example, you can see that it fulfills the measure rule. The decline after this pattern confirms is well below height of this pattern projected downward from A.

Copyright © 2005-2006 by Thomas N. Bulkowski. All rights reserved. Diplomacy is the art of letting someone have your way.