Gold trend continuation fails when a drift is mistaken for a trend, when entries come after price has extended more than about 1.5 ATR from the session open, when retracements exceed 61.8% or close through VWAP, and when targets sit beyond untested major structure.
Healthy XAU pullbacks hold the 15-minute 20 EMA or session VWAP and reclaim quickly; deeper retracements place the trend under review rather than in progress.
Prior day and weekly extremes and the $50 round numbers absorb gold trend moves, so profits should be taken into those levels rather than through them.