上期所宣布，金银期货调整

Core Viewpoint - The Shanghai Futures Exchange announced adjustments to the margin ratios and price limits for gold and silver futures contracts, effective from October 21, 2025, which may impact trading strategies and market dynamics [1]. Group 1: Margin Ratio Adjustments - The margin ratio for holding positions in gold and silver futures contracts will be adjusted to 15% for hedging positions and 16% for general positions [1]. Group 2: Price Limit Adjustments - The price limit for gold and silver futures contracts will be set at 14% [1]. Group 3: Risk Management Provisions - Adjustments to the margin ratios and price limits may be further modified based on the provisions outlined in Article 13 of the Shanghai Futures Exchange Risk Control Management Measures [1].