The symmetrical triangle usually forms during a trend as a continuation pattern. The pattern contains at least two lower highs and two higher lows. When these points are connected, the lines converge as they are extended, and the symmetrical triangle takes shape. Regardless of the nature of the pattern (continuation or reversal) the direction of the next move can only be determined after a valid breakout.
The widest distance of the symmetrical triangle can be measured and applied to the breakout point highlighted