银、锡价格飙涨，交易所午间出手严打违法违规

Core Insights - The Shanghai Futures Exchange (SHFE) has intensified its regulatory measures to combat illegal trading activities and maintain market order, as evidenced by recent announcements regarding trading restrictions on certain clients [1][2]. Group 1: Regulatory Actions - On January 26, SHFE announced restrictions on 16 clients involved in trading tin and silver futures due to undisclosed actual control relationships, imposing a one-month limit on new positions and withdrawals [1]. - Prior to this, on January 21, SHFE had already restricted another group of clients for exceeding trading limits, which violated the exchange's regulations [2]. - The exchange has also adjusted trading limits and margin requirements for various futures contracts, including nickel, aluminum, lead, and zinc, to enhance regulatory oversight [2]. Group 2: Market Performance - On January 26, metal prices surged, with London gold reaching a historic high of over $5,000 per ounce and silver surpassing $100 per ounce [1]. - In the domestic futures market, the main gold futures contract on SHFE hit a new high of 1,147 yuan per gram, while the main silver futures contract saw a rise of over 13%, peaking at 28,226 yuan per kilogram [1]. - Additionally, the main tin futures contract reached a new high of 462,720 yuan per ton, although prices experienced fluctuations later in the day [1]. Group 3: Trading Limit Adjustments - On January 16, SHFE announced adjustments to trading limits for silver and nickel futures, setting maximum daily opening quantities for specific contracts at 3,000 lots for silver and 2,500 lots for nickel [3]. - These limits apply to non-futures company members and special overseas participants, while hedging and market-making transactions are exempt from these restrictions [3].