A股大消息！刚刚，沪深北交易所，集体宣布

Market Closure Announcement - The A-share market will be closed from October 1 (Wednesday) to October 8 (Wednesday), resuming normal operations on October 9 (Thursday) [2] - The Hong Kong Stock Connect will also be unavailable during the same period, with services resuming on October 9 [2] - The Shanghai International Energy Exchange has announced similar closures for the 2025 National Day and Mid-Autumn Festival, with specific trading arrangements detailed [4][5] Trading Margin and Price Limit Adjustments - For the 2025 holiday period, various futures contracts will see adjustments in trading margin ratios and price limit ranges, including: - International copper futures: price limit adjusted to 9%, margin for hedging at 10%, and general positions at 11% [5] - Crude oil and low-sulfur fuel oil futures: price limit adjusted to 12%, margin for hedging at 13%, and general positions at 14% [5] - 20 rubber futures: price limit adjusted to 11%, margin for hedging at 12%, and general positions at 13% [5] - Container shipping index futures: price limit adjusted to 20%, with a margin ratio of 22% [5] - After the holiday, these limits and margins will revert to their original levels on the first trading day without a one-sided market [5]