上期所：调整铜等期货相关合约涨跌停板幅度和交易保证金比例

Core Points - The Shanghai Futures Exchange announced adjustments to the price limit and margin requirements for copper and aluminum futures contracts, effective from January 28, 2026 [1] Group 1: Price Limit Adjustments - The price limit for listed copper futures contracts will be adjusted to 9% [1] - The price limit for listed aluminum futures contracts will also be adjusted to 9% [1] Group 2: Margin Requirement Adjustments - The margin requirement for hedging positions in copper futures will be set at 10% [1] - The margin requirement for general positions in copper futures will be set at 11% [1] - The margin requirement for hedging positions in aluminum futures will be set at 10% [1] - The margin requirement for general positions in aluminum futures will be set at 11% [1] Group 3: Regulatory Framework - Any adjustments to the price limits and margin requirements will be made in accordance with Article 13 of the Shanghai Futures Exchange Risk Control Management Measures [1] - Other matters regarding price limits and margin requirements will follow the relevant business rules of the Shanghai Futures Exchange [1]