Group 1 - The Shanghai Futures Exchange announced the trading schedule for the National Day and Mid-Autumn Festival in 2025, indicating no night trading on September 30, 2025, and a market closure from October 1 to October 8, 2025 [1][2] - Trading will resume on October 9, 2025, with a collection auction for all futures and options contracts from 08:55 to 09:00 [2] Group 2 - Starting from the settlement on September 29, 2025, margin ratios and price fluctuation limits for various futures contracts will be adjusted, with specific percentages outlined for different commodities [2] - For example, the price fluctuation limit for aluminum alloy futures will be adjusted to 7%, while for gold and silver futures, it will be set at 15% [2] Group 3 - On October 9, 2025, after trading, the price fluctuation limits and margin ratios will revert to their original levels following the first trading day without a one-sided market [3] - Other matters regarding price fluctuation limits and margin ratios will be governed by the Shanghai Futures Exchange's risk control management regulations [4]