A channel breakout occurs when price decisively moves outside a well-defined price channel (formed by parallel trendlines), signaling a potential change in momentum or the start of a strong trending move. When price breaks above the upper channel, it indicates increasing buying strength and the possibility of a fresh bullish trend or trend acceleration. Conversely, a breakdown below the lower channel suggests seller dominance and potential bearish continuation. Channel breakouts are considered more reliable when supported by strong volume, a decisive candle close outside the channel, and confirmation such as a retest of the broken channel line acting as support or resistance.