12月31日沪银主力合约日内一度跌超5%

Group 1 - CME Group has raised margin requirements for precious metal futures for the second time in a week, affecting trading dynamics in the market [1] - The margin increase is aimed at ensuring sufficient collateral coverage due to assessed market volatility [1] - As of the latest trading session, the main silver futures contract on the Shanghai Futures Exchange (SHFE) reported a significant drop of 4.27%, closing at 17,074.00 yuan per kilogram [1] Group 2 - China's new silver export control policy will take effect on January 1, 2026, transitioning from a quota system to a strict "one order, one review" licensing system [2] - The new policy will require companies to have a minimum annual production of 80 tons (40 tons for Western enterprises) and a three-year export track record to apply for export qualifications [2] - The international silver market is expected to be influenced by this policy, particularly regarding supply and demand dynamics [2] Group 3 - Technical indicators for SHFE silver futures show mixed signals, with MACD indicating a bullish signal while KDJ and RSI indicate bearish signals [2] - COMEX silver futures also reflect similar technical indicators, with MACD showing bullish signals and KDJ and RSI indicating bearish trends [3]