Group 1 - The Shanghai Futures Exchange announced adjustments to trading limits and fees for silver futures contracts [1] - Starting from December 24, the maximum number of contracts for intraday opening trades in the silver futures 2602 contract is set at 10,000 lots [1] - The transaction fee for intraday closing trades in the silver futures 2602 contract is adjusted to 0.025% of the transaction amount, while the fee for the silver futures 2604 contract is set at 0.005% of the transaction amount [1]

Group 1 - The Shanghai Futures Exchange announced adjustments to the margin ratios and price limits for silver futures contracts [1] - Starting from the settlement at the close on December 12, the price limit for silver futures contract 2602 will be adjusted to 15% [1] - The margin ratio for holding positions will be adjusted to 16%, while the margin ratio for general positions will be set at 17% [1]