黄金白银今日大反弹，继续向上冲，交易所再出手

Group 1 - The core viewpoint of the articles highlights a significant rebound in gold and silver prices after recent declines, with gold rising by 5.47% and silver experiencing fluctuations of over 11% [1][3] - As of February 3, 2026, the Shanghai Gold Exchange announced adjustments to margin levels and price fluctuation limits for gold and silver futures contracts due to high volatility in precious metals [3][4] - The margin for gold futures contracts will increase from 16% to 17%, and the price fluctuation limit will rise from 15% to 16% starting February 4, 2026 [3][4] Group 2 - For silver futures, the margin level will decrease from 26% to 23%, and the price fluctuation limit will be adjusted from 25% to 22% effective February 3, 2026 [5][6] - The Shanghai Futures Exchange also announced similar adjustments for other commodities, including fuel oil and rubber, with specific changes to margin levels and price fluctuation limits [8][10] - The adjustments are part of a broader risk management strategy to ensure market stability amid increased trading activity and volatility in the precious metals sector [4][5]