黄金早参丨交易所上调保证金及涨跌停限制，金价承压回落，短期或维持宽幅震荡

Core Viewpoint - The gold and silver prices experienced a significant decline due to increased margin requirements set by exchanges and the Federal Reserve's commitment to maintaining a tight monetary policy [1] Group 1: Market Reactions - As of the market close, COMEX gold futures fell by 3.08% to $4,798.10 per ounce, while the China Gold ETF (518850) also dropped by 3.08% [1] - The gold stock ETF (159562) decreased by 5.13%, and the non-ferrous metals ETF (516650) fell by 4.89% [1] Group 2: Margin Requirements - The CME raised the initial margin for COMEX 100 gold futures from 8% to 9% and for COMEX 5000 silver futures from 15% to 18% [1] - The Shanghai Futures Exchange announced that starting from February 9, the price fluctuation limits for gold and silver futures will be adjusted to 17% and 20%, respectively [1] - The margin requirements for maintaining positions will be adjusted to 18% and 21%, while general position trading margins will be set at 19% and 22% [1] Group 3: Market Analysis - Analysts noted that the recent strength of the US dollar and a broad market decline prompted investors to sell off their precious metal holdings [1] - A calming of geopolitical tensions has also reduced the safe-haven demand for gold, contributing to the ongoing price decline [1] - Short-term expectations indicate that gold prices will continue to experience wide fluctuations, with key attention on the progress of US-Iran nuclear negotiations and changes in US monetary policy expectations [1]