Market Closure Announcement - The stock exchanges in Shanghai, Shenzhen, and Beijing will be closed from October 1 (Wednesday) to October 8 (Wednesday) for the National Day and Mid-Autumn Festival, resuming normal operations on October 9 (Thursday) [1][5][6] - Weekend closures are scheduled for September 28 (Sunday) and October 11 (Saturday) [1][5][6] Clearing and Settlement Arrangements - During the holiday period, clearing and settlement will follow the arrangements set by China Securities Depository and Clearing Corporation [2][5][6] - Specific trading system adjustments will occur on October 8 (Wednesday) from 9:15 to 12:00 to ensure smooth trading after the holiday [6] Hong Kong Stock Connect Services - The Shenzhen Stock Exchange will not provide Hong Kong Stock Connect services from October 1 to October 8, resuming on October 9 [8] - Additional trading days for Hong Kong Stock Connect are set for September 29 and 30, with specific clearing dates for transactions occurring during the holiday [8] Futures and Options Trading Adjustments - The Shanghai International Energy Exchange will not conduct night trading on September 30 and will be closed from October 1 to October 8, resuming trading on October 9 [9] - Adjustments to margin requirements and price limits for various futures contracts will take effect starting September 29, with specific percentages outlined for different commodities [9][10]