As of 12/20/2024
  Indus: 42,840 +498.02 +1.2%  
  Trans: 15,892 +32.54 +0.2%  
  Utils: 986 +14.76 +1.5%  
  Nasdaq: 19,573 +199.83 +1.0%  
  S&P 500: 5,931 +63.77 +1.1%  
YTD
 +13.7%  
0.0%  
 +11.9%  
 +30.4%  
 +24.3%  
  Targets    Overview: 12/12/2024  
  Up arrow44,200 or 41,750 by 01/01/2025
  Down arrow16,100 or 17,700 by 01/01/2025
  Up arrow1,050 or 975 by 01/01/2025
  Up arrow20,500 or 19,300 by 01/01/2025
  Up arrow6,100 or 5,775 by 01/01/2025
As of 12/20/2024
  Indus: 42,840 +498.02 +1.2%  
  Trans: 15,892 +32.54 +0.2%  
  Utils: 986 +14.76 +1.5%  
  Nasdaq: 19,573 +199.83 +1.0%  
  S&P 500: 5,931 +63.77 +1.1%  
YTD
 +13.7%  
0.0%  
 +11.9%  
 +30.4%  
 +24.3%  
  Targets    Overview: 12/12/2024  
  Up arrow44,200 or 41,750 by 01/01/2025
  Down arrow16,100 or 17,700 by 01/01/2025
  Up arrow1,050 or 975 by 01/01/2025
  Up arrow20,500 or 19,300 by 01/01/2025
  Up arrow6,100 or 5,775 by 01/01/2025

Bulkowski on Partial Declines in the Stock Market

My book, Getting Started in Chart Patterns, Second EditionGetting Started in Chart Patterns, Second Edition book., discusses partial rises and declines starting on page 207 in the section conveniently titled, "Partial Rises and Declines." Film at 11:00. I show a picture of the book on the left.

If you click on the above link and then buy the book (or anything) while at Amazon.com, the referral will help support this site. Thanks.

-- Tom Bulkowski

$ $ $

Partial declines are looping chart patterns that appear at the end of broadening patterns and rectangles. They predict an immediate upward breakout but are not always correct.

New research (as of November 2013) says that when a partial decline occurs, post-breakout performance improves. That's a surprise since I expected momentum to suffer.

Identification Guidelines
Trading Tips
Patterns
Example
New Performance Research
See Also

 

Partial decline chart pattern

Partial Decline Chart Pattern

Partial Declines: Identification Guidelines

CharacteristicDiscussion
EstablishedThe rectangle or broadening chart pattern should be an established one, meaning that it should obey all of the identification guidelines for that pattern. Don't look for a partial decline until you have a completed rectangle or broadening chart pattern.
Top trendlinePrice should touch the top trendline and move down but not touch or come that close to the bottom trendline before heading back up. When price touches the upper trendline, it usually stages an immediate upward breakout. Sometimes, it may linger at the upper trendline before breaking through. If price bounces downward, close out your position.
BreakoutUpward. This usually occurs immediately after the partial decline touches the upper trendline.
PausePrice often pauses partway across a chart pattern so it may look like a partial decline is forming. Wait for price to head back up before buying the stock.

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Partial Declines: Trading Tips

Trading TacticExplanation
Price loopIf price bounces off the upper trendline and heads back down, then rounds over before coming close to the bottom trendline, then it may be a partial decline. Buy once it's clear that price is heading back toward the upper trendline.
FibonacciA trend reversal at the 50% or 62% Fibonacci retrace of the prior up move may signal a partial decline.
PausePrice may pause at the upper trendline, perhaps slide along it before breaking out upward.
ExitExit your position if price bounces off the upper trendline and heads back down.
BreakoutExpect an upward breakout after a partial decline.

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Partial Declines: Patterns

The following table shows how often a partial decline correctly predicts an upward breakout in bull markets.

Chart PatternsSuccess
Rate
Broadening bottoms80%
Broadening formations, right-angled and ascending81%
Broadening formations, right-angled and descending63%
Broadening tops72%
Broadening wedges, ascending35%
Broadening wedges, descending87%
Rectangle bottoms80%
Rectangle tops91%

Partial Declines: Example

Partial decline in a broadening bottom chart pattern

The above figure shows an example of a partial decline in a broadening bottom chart pattern. By the time the partial decline appeared, the broadening bottom had enough trendline touches to qualify as a valid chart pattern. Price attempted to touch the bottom trendline but did not make it. The reversal suggested an upward breakout was in the offing and that was exactly what happened.

Partial Declines: New Performance Research

This is based on new research using stock information from 3/1989 to 11/11/13. Not all stocks covered the entire period. I used broadening formations (all six types) and rectangles (tops and bottoms) in the research. Those patterns can show partial declines.

I compared the performance of 5,959 chart patterns with and without partial declines. This answers the question, "Does performance improve if a partial decline is missing?

The answer is no.

The 903 chart patterns with partial declines showed post breakout gains that averaged 33%. That compares to gains from 1,840 chart patterns that did not show a partial decline. Their gain averaged 29%. Thus, a partial decline is good for performance.

-- Thomas Bulkowski

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See Also

 

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