As of 01/23/2020
Indus: 29,160 26.18 0.1%
Trans: 11,143 +144.06 +1.3%
Utils: 929 +8.61 +0.9%
Nasdaq: 9,402 +18.71 +0.2%
S&P 500: 3,326 +3.79 +0.1%

YTD
+2.2%
+2.2%
+5.6%
+4.8%
+2.9%

29,500 or 28,300 by 02/01/2020
11,500 or 10,700 by 02/01/2020
1,025 or 900 by 02/01/2020
9,600 or 8,900 by 02/01/2020
3,350 or 3,200 by 02/01/2020

As of 01/23/2020
Indus: 29,160 26.18 0.1%
Trans: 11,143 +144.06 +1.3%
Utils: 929 +8.61 +0.9%
Nasdaq: 9,402 +18.71 +0.2%
S&P 500: 3,326 +3.79 +0.1%

YTD
+2.2%
+2.2%
+5.6%
+4.8%
+2.9%
 
29,500 or 28,300 by 02/01/2020
11,500 or 10,700 by 02/01/2020
1,025 or 900 by 02/01/2020
9,600 or 8,900 by 02/01/2020
3,350 or 3,200 by 02/01/2020
 
For more information on this pattern, read Encyclopedia of Chart Patterns, pictured on the right. The book has a chapter dedicated to symmetrical triangles.
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.
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Statistics updated on 4/24/2019.
Symmetrical triangles, sometimes called coils, are a popular chart pattern because they appear often and perform reasonably well in a bull market. This opinion is based not on the performance rank, which is mediocre, but on trading experience.
Symmetrical Triangles: Important Bull Market ResultsOverall performance rank for up/down breakouts (1 is best): 52 out of 56/38 out of 53
Break even failure rate for up/down breakouts: 25%; 37%
Average rise/decline: 34%; 12%
Throwback/pullback rate: 62%; 65%
Percentage meeting price target for up/down breakouts: 58%; 36%
The above numbers are based on over a thousand perfect trades. See the glossary for definitions. 
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 bottom trendline slopes up and the top one slopes down. 
Crossing  Price must cross the pattern from side to side, filling the triangle with price movement, not white space. 
Touches  Price must touch one trendline at least three times and the other trendline at least twice, forming distinct valleys and peaks. 
Volume  Trends downward 86% of the time. 
Breakout  Upward 60% of the time and 73% of the way to the triangle apex (upward breakout) and 74% of the way for downward breakouts. 
Trading Tactic  Explanation 
The Measure Rule

Measure rule  Compute the height from the highest peak (point A in The Measure Rule figure to the right) to the lowest valley in the pattern (B) 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 figure shows an upward breakout with target price C.  
Breakout volume  Patterns with heavy breakout volume (above the 30day average) do better.  
Yearly low  Triangles with breakouts within a third of the yearly low perform best (based on the median rise).  
Trend start  Triangles perform best post breakout when they appear at the start of trends.  
Throwbacks and pullbacks  Throwbacks and pullbacks hurt post breakout performance. 
More
The figure to the right shows an example of a symmetrical triangle chart pattern.
The consolidation pattern of the symmetrical triangle forms as volume recedes. Then, price breaks out downward, but within a few days, price reverses and shoots out the top of the symmetrical triangle, busting the pattern and leading to a strong move upward.
Busted patterns (when the breakout is in one direction only to see price reverse and breakout in the opposite direction) often result in strong moves. However, symmetrical triangles have a tendency to double bust  the final breakout direction is the same as the original one.
 Thomas Bulkowski
More
See Also

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