指数再平衡抛压来袭！金银受冲击连跌，交易员严阵以待

Group 1 - The core point of the article is that gold and silver prices are experiencing a decline due to the annual rebalancing of commodity indices, leading to a significant sell-off of futures contracts worth billions of dollars [1][7] - Spot gold prices have fallen below $4,420 per ounce, with a nearly 1% drop in the previous trading day, as passive tracking funds begin to sell precious metal futures to align with new index weights [1][7] - Silver has seen a drop of over 3% on Thursday, with Citigroup estimating that approximately $6.8 billion worth of silver futures may need to be sold to meet rebalancing requirements, representing about 12% of the total open contracts on Comex [1][9] Group 2 - Citigroup also indicates that the outflow from gold futures will be comparable to that of silver, driven by a sharp increase in the weight of precious metals in major commodity benchmark indices [3][9] - Despite short-term price pressure, gold and silver have shown little sign of significant correction after achieving their best annual performance since 1979, supported by substantial central bank purchases and inflows into gold ETFs [5][9] - The World Gold Council reported that global central banks net purchased 45 tons of gold in November, with the People's Bank of China increasing its gold reserves for 14 consecutive months, providing a solid foundation for gold prices [5][9] Group 3 - Geopolitical events, such as the U.S. efforts to control Venezuelan leader Maduro, have also provided support for gold prices, which saw a weekly increase of about 3% as of Wednesday's close [5][9] - Traders are focusing on upcoming key U.S. economic data, including the December non-farm payroll report, which could strengthen bets on further interest rate cuts by the Federal Reserve, benefiting non-yielding precious metals [5][9] - Silver experienced a remarkable increase of approximately 150% last year, with historical short squeezes in October and concerns over potential import tariffs in the U.S. boosting silver prices [5][10]