上期所：10月14日收盘结算时起调整纸浆和胶版印刷纸期货交易保证金比例和涨跌停板幅度

Core Points - The Shanghai Futures Exchange announced adjustments to the trading rules for pulp and offset printing paper futures contracts, effective from October 14, 2025, with a new price fluctuation limit of 5% and adjusted margin requirements [1][3]. Group 1: Trading Rules Adjustments - The price fluctuation limit for both pulp and offset printing paper futures contracts will be reduced from 6% to 5% [1][2]. - The margin requirement for hedging positions will be adjusted from 7% to 6%, while the margin for general positions will change from 8% to 7% [1][2]. Group 2: Current Standards - The current standards for price fluctuation limits and margin requirements for pulp and offset printing paper are 6%, 7%, and 8% respectively [2].