There is no universal indicator, and no single indicator is universal.

Indicators require comprehensive judgment, and various indicators verify each other.

The dead cross and golden cross of the indicator are all probability of falling or rising. If a dead cross leads to a fall, and a golden cross leads to a rise, the market will be unplayable.

MACD crosses, where is it, how far is it from the zero axis, etc. One or two sentences are simple and incomplete. It is recommended to buy a professional book and read it. MACD is the king of indicators. It is worth studying it carefully.