广期所：调整工业硅等品种期货合约涨跌停板幅度、交易保证金标准、交易手续费标准、交易限额

Core Viewpoint - The Dalian Commodity Exchange has announced adjustments to the trading rules for industrial silicon futures contracts, effective from July 25, 2025, including changes to price limits and margin requirements [1] Group 1: Trading Rules Adjustments - The price limit for industrial silicon futures contracts will be adjusted to 8% [1] - The margin requirement for speculative trading will be set at 10% [1] - The margin requirement for hedging trading will be adjusted to 9% [1]