上海黄金交易所最新公告，涉黄金、白银

Group 1 - The Shanghai Gold Exchange announced adjustments to margin levels and price fluctuation limits for certain gold contracts, effective from February 4, 2026 [1] - The margin ratio for contracts such as Au (T+D) and mAu (T+D) will increase from 16% to 17%, and the price fluctuation limit will change from 15% to 16% [1] - The margin for CAu99.99 contract will be adjusted from 120,000 yuan to 150,000 yuan per contract [1] Group 2 - The margin level for the Ag (T+D) silver contract will decrease from 26% to 23%, with the price fluctuation limit changing from 25% to 22% starting February 3, 2026 [1]