Do professional traders use trend lines?

Professional traders use trend lines, particularly on higher timeframes, but they treat them as one tool among many and require confirmation before acting on a signal.

Professional and institutional traders use them, especially on higher timeframes, but they understand that trendlines can be subjective and prone to false signals, requiring confirmation from other tools.The pros wait for price to react at the line, then look for rejection signals like bearish engulfing candles or shooting stars before entering with stops just beyond the line.

They wait for price to rally up to the downtrend line, observe rejection signals, then enter shorts with disciplined stop-loss placement.