7月10日电，广期所发布通知，经研究决定，自2025年7月14日结算时起，多晶硅期货合约涨跌停板幅度调整为9%，投机交易保证金标准调整为11%，套期保值交易保证金标准调整为10%。

Group 1 - The core point of the article is the adjustment of trading rules for polysilicon futures contracts by the Guangxi Futures Exchange, effective from July 14, 2025 [1] - The price fluctuation limit for polysilicon futures contracts will be changed to 9% [1] - The margin requirements for speculative trading will be set at 11%, while the margin for hedging trading will be adjusted to 10% [1]