Bulkowski’s Ascending Triangles

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The ascending triangle is a mediocre performer despite its reputation as a reliable chart pattern. In fact, the ascending triangle performs best when the breakout is downward, especially in a bear market. For more information see pages 711 to 729 of the book Encyclopedia of Chart Patterns, Second Edition and the following...

Shown is an ascending triangle chart pattern

Score your chart pattern for
performance by clicking here

Important Bull Market Results

Overall performance rank for up/down breakouts (1 is best): 17 out of 23; 9 out of 21
Break even failure rate for up/down breakouts: 13%; 11%
Average rise/decline: 35%; 19%
Throwback/pullback rate: 57%; 49%
Percentage meeting price target for up/down breakouts: 75%; 68%

Identification Guidelines

Characteristic Discussion
Price trend Can be any direction leading to the chart pattern.
Shape Triangular. Prices move between two converging trendlines.
Trendlines Two trendlines bound prices; the top trendline is horizontal and the bottom one slopes upward.
Crossing Price must cross the pattern from side to side, filling the triangle with price movement, not white space.
Touches Price must touch each trendline at least twice, forming distinct valleys and peaks.
Volume Trends downward 77% of the time.
Breakout Upward 70% of the time and 61% of the way to the triangle apex (upward breakout) and 62% of the way for downward breakouts.

Trading Tips

Trading Tactic Explanation
Measure rule Compute the height from the price of the horizontal trendline (B) to the lowest valley in the pattern (A) and then multiply it by the above “ percentage meeting price target.” Add it (upward breakouts) or subtract it (downward breakouts) from the breakout price. The breakout price is the point at which price pierces the trendline. The associated link provides more information.
Stop Place a stop loss order on the side opposite the breakout unless that would be too far away. Click the link on the left for stop placement information. For example, if the breakout is upward, a stop at any of the minor lows on side A would work well. For downward breakouts, use the price of B as the stop price.
Rise Those with a long-term rise leading to the triangle climb an average of 37% after the upward breakout. Those with a short-term decline leading to the triangle show a 41% average rise after the upward breakout.
Throwback and Pullbacks Throwbacks and pullbacks hurt postbreakout performance. The links on the left define terms. For performance information on throwbacks and pullbacks, click the associated link.
Ascending triangle measure rule
The Measure Rule

Example

Ascending triangle chart pattern example

The above figure shows an example of an ascending triangle. Price bounces between two converging trendlines, the top one is horizontal and the bottom one slopes upward.

To calculate a price target, subtract the price of the lowest valley in the chart pattern (A) from the price of the top trendline (B). That gives the height. Multiply the height by 75% (for upward breakouts, the percentage meeting price target from Important Bull Market Results table near the top of this page) and add it to the price of the top trendline B. In this example, point C makes for a good stop location.

For downward breakouts, compute the height in the same manner only subtract the height from C.

Copyright © 2005-2006 by Thomas N. Bulkowski. All rights reserved. Picked last in gym.