Market Closure Schedule - The A-share market will be closed from October 1 (Wednesday) to October 8 (Wednesday) for the National Day and Mid-Autumn Festival, resuming normal trading on October 9 (Thursday) [2] - The weekend closures include September 28 (Sunday) and October 11 (Saturday) [2] Hong Kong Stock Connect - The Shenzhen Stock Exchange announced that the Hong Kong Stock Connect service will not be available from October 1 (Wednesday) to October 8 (Wednesday), resuming on October 9 (Thursday) [5] - Weekend closures for the Hong Kong Stock Connect also include September 28 (Sunday) and October 11 (Saturday) [5] Future Trading Arrangements - The Shanghai International Energy Exchange has announced that there will be no night trading on September 30, 2025, and the market will be closed from October 1 (Wednesday) to October 8 (Wednesday) in 2025 [8][9] - On October 9, 2025, trading will resume with a collection auction from 08:55 to 09:00, followed by the restoration of night trading [10] Margin and Price Limit Adjustments - Starting from the closing settlement on September 29, 2025, margin ratios and price limit adjustments for various futures contracts will be implemented, including: - International copper futures: price limit adjusted to 9%, margin for holding positions at 10% [11] - Crude oil and low-sulfur fuel oil futures: price limit adjusted to 12%, margin for holding positions at 13% [11] - 20 rubber futures: price limit adjusted to 11%, margin for holding positions at 12% [11] - Shipping index (European line) futures: price limit adjusted to 20%, margin at 22% [11] Post-Adjustment Trading Conditions - After trading on October 9, 2025, the price limits and margin ratios for all futures contracts will revert to their original levels after the first trading day without a one-sided market [13]