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Broadening Formations

A broadening formation — the 'megaphone' — is the opposite of a triangle: diverging trendlines, an expanding range of higher highs and lower lows, and rising volatility. This article explains its anatomy, why it signals an unstable, emotional market (and often appears near tops as distribution), why it is one of the hardest patterns to trade, and the cautious ways experienced traders approach it.

11 min readPublished 26 June 2026

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