国投白银LOF涨停三日后迎跌停，溢价率回落至45.45%

Group 1 - The core point of the news is the significant volatility and trading activity surrounding the Guotou Silver LOF fund, which experienced a sharp increase in price and a subsequent drop, leading to a trading halt to protect investors [1] - The Guotou Silver LOF fund saw its price surge from approximately 1.8 yuan to 3.116 yuan over three consecutive trading days, with a peak premium rate of 68.19% before falling to 45.45% [1] - A large influx of retail investors contributed to the fund's price increase, with over 10 million new shares added on December 24 alone [1] Group 2 - The international silver price reached a historical high of $72.7 per ounce on December 24, with a year-to-date increase of nearly 150%, significantly outpacing gold's 65% rise [2] - The domestic silver futures market saw a rise of over 35% in December, attracting a net inflow of 6.48 billion yuan, setting a record for single-day capital inflow in commodity futures [2] - The World Silver Association noted a surge in demand for conductive silver paste from green industries like photovoltaics and electric vehicles, while silver production has stagnated, leading to a supply-demand gap at a five-year high [2] Group 3 - The Shanghai Futures Exchange announced multiple risk prevention measures for silver futures contracts, including adjustments to trading limits and transaction fees [4]