Chart PatternsBeginner

Triangle Patterns (Ascending, Descending, Symmetrical)

How ascending, descending and symmetrical triangles form, how to draw the boundaries, what a valid breakout looks like and how false breakouts happen.

Library categories

What it means

A triangle is a narrowing range drawn with two converging lines. Ascending: flat top, rising lows. Descending: falling highs, flat bottom. Symmetrical: falling highs and rising lows.

Why traders use it

Narrowing ranges show compression. An ascending triangle shows buyers stepping in higher each time against fixed supply; a descending one the opposite.

Chart examples

Ascending triangle

Rising lowsBreakoutFlat top
A flat ceiling with rising lows; the close above the ceiling is the breakout.

Symmetrical triangle

Symmetrical triangleBreakdown
Lower highs and higher lows converge; here the break is downward.Schematic diagrams drawn to explain the idea; they are not market data.

How to identify it objectively

  • 1At least two touches on each boundary.
  • 2Lines drawn through swing points, not through every wick.
  • 3Breakout = close beyond a boundary.
  • 4Target = triangle height at its widest, projected from the break.

Bullish use

  • 1Ascending triangle in an uptrend.
  • 2Close above the flat top.
  • 3Stop below the last higher low.

Bearish use

  • 1Descending triangle in a downtrend.
  • 2Close below the flat bottom.
  • 3Stop above the last lower high.

What confirms it

  • A close beyond the boundary with a strong body.
  • Breakout in the prior trend direction.

What invalidates it

  • A close back inside the triangle.
  • Breakout near the apex with no momentum.

How a hypothetical setup is built

Entry

On the breakout close or retest.

Stop

Inside the triangle, beyond the last swing.

Target

The widest height projected from the break.

A hypothetical illustration of how the concept is turned into a plan, not a recommendation. Practise it on a paper account first.

Historical testing

Not tested on The Tradeskill.

Limitations: when it fails

  • Boundaries can be drawn many ways.
  • Flat tops are equal highs, which often get swept.
  • Symmetrical triangles have no inherent direction.

Knowledge check

Pick an answer to see the explanation. Nothing is saved.

An ascending triangle has…

1. An ascending triangle has…

A breakout needs…

2. A breakout needs…

A symmetrical triangle's direction is…

3. A symmetrical triangle's direction is…

Practise it risk-free

Open the free chart, use replay to go back in time and look for this concept candle by candle with $20,000 in virtual money.