Triangle Chart Patterns:
Ascending, Descending, Symmetrical
Learn about ascending, descending and symmetrical triangle patterns, and their different directional biases.
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This lesson explains triangle patterns, formed by converging trend lines, building directly on the trend lines and channels concepts covered in the earlier Price Action & Structure group.
This structure has been verified against multiple technical analysis education sources.
Ascending Triangles
An ascending triangle forms with a relatively flat upper resistance line and a rising lower support trend line (connecting a series of higher lows, as covered in the earlier Trend Structure unit), generally discussed as carrying a bullish bias, since it reflects buyers becoming progressively more aggressive against a static resistance level.
Descending Triangles
A descending triangle forms with a relatively flat lower support line and a falling upper resistance trend line (connecting a series of lower highs), generally discussed as carrying a bearish bias, the mirror image of the ascending triangle.
Symmetrical Triangles
A symmetrical triangle forms with both a falling upper trend line (lower highs) and a rising lower trend line (higher lows), converging toward a point without a clear directional bias built into the pattern's shape itself. This is often discussed as a "bilateral" pattern β the eventual breakout direction, rather than the pattern's shape, determines the outcome, though some technical analysis education discusses a tendency for the breakout to occur in the direction of the trend that preceded the triangle's formation.
Volume and Triangle Breakouts
As covered in the earlier Volume Analysis unit, a breakout from any triangle pattern is commonly discussed alongside volume confirmation β a breakout accompanied by increased volume is generally discussed as carrying more significance than one occurring on relatively low volume.
π Summary
Ascending triangles (flat resistance, rising support) are generally discussed as carrying a bullish bias, descending triangles (flat support, falling resistance) a bearish bias, while symmetrical triangles (converging highs and lows) are generally discussed as bilateral, with the eventual breakout direction determining the outcome. As with other patterns, triangle breakouts are commonly discussed alongside volume confirmation from the earlier Volume Analysis unit.
Frequently Asked Questions
What is an ascending triangle?
A pattern with a flat upper resistance line and a rising lower support line, generally discussed as carrying a bullish bias.
What is a descending triangle?
A pattern with a flat lower support line and a falling upper resistance line, generally discussed as carrying a bearish bias.
What is a symmetrical triangle?
A pattern with converging trend lines (lower highs and higher lows) without an inherent directional bias, sometimes called a bilateral pattern.
Why is volume commonly discussed alongside triangle breakouts?
A breakout accompanied by increased volume is generally discussed as carrying more significance than one on relatively low volume, as covered in the earlier Volume Analysis unit.
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