1. The speech on monetary policy tends to be loose. The US dollar index will continue to decline, and precious metals spot gold and silver will rise.

2. The speech on monetary policy tends to be tight. The US dollar index will rebound, and the spot gold and silver of precious metals will fall.

3. be optimistic about the economic prospects of the United States. The dollar will rise slightly at first, while the spot gold and silver of precious metals will fall slightly. Then, as the stock market rose, the market risk appetite warmed up, the US dollar index fell, and precious metals spot gold and silver rebounded.

4. Worried about the economic prospects of the United States. The dollar will fall slightly at first, and the spot gold and silver of precious metals will rise slightly. Then, due to the stock market decline, the market risk appetite cooled down, the US dollar index rebounded, and the precious metal spot gold and silver surged back.

However, the impact of the Federal Reserve on the gold price is not directly proportional or inversely proportional, which needs to be comprehensively analyzed in combination with short-term factors such as the macroeconomic background and economic cycle at that time.

In the long run, we need to be alert to the possible suppression of commodity markets and gold by the Fed's interest rate hike.

The impact of raising interest rates is the impact on the investment field. Investors who invest in the stock market or futures market are worried that raising interest rates will impact the market. In order to avoid the coming risks, they can choose to buy precious metals to preserve their value.