涉黄金、白银，上金所最新通知

Group 1 - The Shanghai Gold Exchange announced adjustments to the margin levels and price limits for certain gold contracts, effective February 4, 2026, increasing the margin ratio for Au (T+D) contracts from 16% to 17% and raising the price limit from 15% to 16% [2][4] - For the CAu99.99 contract, the margin per contract will increase from 120,000 yuan to 150,000 yuan [4] - The exchange emphasized the importance of risk management and urged members to enhance their risk prevention measures and ensure market stability [4] Group 2 - The margin level for Ag (T+D) contracts will be reduced from 26% to 23%, with the price limit decreasing from 25% to 22%, effective February 3, 2026 [8] - The exchange reiterated the need for members to maintain awareness of risk and to implement detailed emergency plans to safeguard against market volatility [8]