交易所出手，调整涨跌停板幅度

Core Viewpoint - The silver market is experiencing significant price increases, prompting exchanges to adjust trading limits and margin requirements to manage risk effectively [1][3]. Group 1: Exchange Announcements - The Shanghai Futures Exchange announced adjustments to the trading limits and margin requirements for silver futures contracts, effective from February 4, 2026. The price fluctuation limit will be set at 19%, with margin requirements for hedging positions at 20% and for general positions at 21% [3][4]. - On February 3, the spot silver price surged over 11%, reaching $86 per ounce, while COMEX silver futures also saw a rise of over 12% [4][5]. Group 2: Market Reactions and Adjustments - The Shanghai Gold Exchange announced a reduction in the margin level for silver deferred contracts (Ag (T+D)) from 26% to 23%, and the price fluctuation limit was adjusted from 25% to 22% [7]. - Financial institutions, including major banks, have previously raised margin requirements for precious metal deferred contracts and issued risk warnings, indicating a coordinated response to market conditions [7]. - Analysts suggest that the recent volatility in precious metals is a result of prior overvaluation and expectations of global interest rate cuts, but the long-term investment logic supporting gold prices remains intact [7].