The AUD/USD chart currently shows a bearish momentum with key levels to watch. The 1st support at 0.6324 (overlap and 78.60% Fibonacci Retracement) signifies a historical buying level. The 2nd support at 0.6275 is a swing low support. On the resistance side, the 1st resistance at 0.6392 (overlap) may block further upside, and the 2nd resistance at 0.6436 (50% Fibonacci Retracement) could serve as strong resistance.