上期所：10月21日收盘结算时起上调黄金和白银期货交易保证金比例和涨跌停板幅度

Core Points - The Shanghai Futures Exchange announced adjustments to margin requirements and price limits for gold and silver futures contracts effective from October 21, 2025 [1][3] Summary by Category Price Limits - The price limit for gold and silver futures contracts will be adjusted to 14% [2] Margin Requirements - The margin requirement for hedging positions in gold and silver futures will be set at 15% [2] - The margin requirement for general positions in gold and silver futures will be set at 16% [2]