The spread of spot gold is mainly due to the difference between the buying price and the selling price, so the main factor leading to the expansion of the spread is the adjustment of the buying price or selling price queue, and the main reason for the adjustment of the buying price or selling price queue, including the abnormally active market liquidity , abnormal sparseness, data time, upstream liquidity and other factors. Customers need to understand that the spread is a normal market activity and cannot be controlled. Therefore, customers need to pay attention to the market at all times, and at the same time adjust their trading strategies appropriately during economic data time periods, thin liquidity or active conditions.