Triangle

The Triangle tool draws a geometric triangle defined by three points. Unlike chart-pattern triangles (ascending, descending, symmetrical) which describe specific price action formations, this is a manually drawn shape used for annotation. It is ideal for highlighting convergence zones, marking wedge-like areas, or framing specific triangular areas of interest on the chart.

The three anchor points give full control over the triangle's size, orientation, and angles. The shape can be filled with a translucent background or left as an outline depending on the annotation need. Each vertex is independently adjustable after placement, making it a flexible annotation for a wide variety of chart situations — from educational charts to advanced pattern analysis.

The triangle stores its three vertex coordinates independently. Each vertex can be dragged to a new price-time position without affecting the others, making it easy to fine-tune the shape to match specific swing points, trend line intersections, or pattern boundaries. The fill is rendered as a standard SVG polygon, which means it always correctly fills the enclosed area regardless of vertex order.

1. 1
   Select the Triangle tool

   Click the Triangle icon in the shapes toolbar. The cursor changes to a crosshair.
2. 2
   Click to set the apex (P1)

   Place the first point at the top (or bottom for an inverted triangle) of the intended shape.
3. 3
   Click to set the base start (P2)

   Place the second point at one end of the base edge.
4. 4
   Click to set the base end (P3)

   Place the third point at the other end of the base. The triangle renders immediately with the current style settings.
5. 5
   Fine-tune vertices

   Drag any vertex to reposition it independently. Drag the body to move the entire triangle without changing its shape or proportions.

• Convergence zones — highlight areas where two trend lines approach each other. The triangle naturally visualizes the narrowing price range as the apex approaches, which is characteristic of wedge and pennant patterns.
• Wedge-like areas — mark rising and falling wedge patterns for visual pattern recognition. The narrowing shape of a triangle mirrors the structure of a wedge where price compresses before a breakout.
• Chart pattern annotation — frame ascending and descending triangle structures on the chart. Draw the triangle shape over the pattern to emphasize the converging support and resistance lines that define these classic reversal and continuation patterns.
• Price exhaustion zones — annotate the apex of a narrowing range where a breakout or breakdown is expected. The apex acts as a natural timing reference for anticipated volatility expansion.
• Educational charts — use triangles as custom annotations for presentations, tutorials, and teaching materials to illustrate geometric concepts in technical analysis.
• Measured move projections — use the triangle height as a reference for projected moves. The height of the base from the apex indicates the potential breakout distance after the apex resolves.

To create a visually symmetrical triangle that best represents balanced convergence, place P2 and P3 at approximately the same price level and equal horizontal distance from P1. This creates an isosceles triangle where both legs have similar slope, which is the classic shape of a symmetrical triangle pattern — a continuation pattern characterized by declining volatility before a breakout.

For ascending triangles, place P1 at the left side and P2 and P3 at the right, with P2 at a higher price than P3 to create a flat top and rising bottom. For descending triangles, reverse the configuration: flat bottom with a descending top edge.

• 1.Annotation tools guide — TradingView Help
• 2.Triangle patterns (chart patterns) — StockCharts ChartSchool
• 3.Encyclopedia of Chart Patterns — Thomas N. Bulkowski
• 4.Technical Analysis of Financial Markets — John J. Murphy