上期能源：调整原油等期货新上市合约交易保证金比例和涨跌停板幅度

Group 1 - The Shanghai International Energy Exchange announced adjustments to the margin ratios and price fluctuation limits for newly listed futures contracts including crude oil and low-sulfur fuel oil [2] - The price fluctuation limit for crude oil SC2903, low-sulfur fuel oil LU2703, and NR2702 contracts is set at 9%, with margin ratios adjusted to 10% for hedging positions and 11% for general positions [2] - The price fluctuation limit for international copper BC2702 contracts is set at 10%, with margin ratios adjusted to 11% for hedging positions and 12% for general positions [2] Group 2 - The adjustments are in accordance with the risk control management rules of the Shanghai International Energy Exchange, specifically Article 16, which allows for further adjustments under certain conditions [2] - Other matters regarding price fluctuation limits and trading margins will follow the relevant business rules of the Shanghai International Energy Exchange [2]