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Chart Patternsadvanced
BROADENING FORMATIONSYMMETRICAL TRIANGLEDIAMOND TOP

Diamond Pattern

A broadening formation that then contracts into a symmetrical triangle, creating a diamond shape — a rare but reliable reversal pattern.

Also called Diamond Top · Diamond Bottom

The Diamond Pattern starts as a Broadening Formation (expanding volatility, higher highs and lower lows) and then transitions into a Symmetrical Triangle (contracting volatility, converging trendlines). Together they trace a diamond shape.

When appearing at a trend top, it is a Diamond Top — a bearish reversal. At a trend bottom, a bullish Diamond Bottom. Confirmation is a break below (top) or above (bottom) the lower converging trendline of the triangle half.

  • Target = the widest part of the diamond projected from the breakout point.
  • Rarer than most patterns; requires patient identification over many bars.

Related terms