大商所公告，经研究决定，自2025年7月29日交易时（即7月28日夜盘交易小节时）起，非期货公司会员 或者客户在焦煤期货JM2509合约上单日开仓量不得超过500手，在焦煤期货其他合约上单日开仓量不得 超过2,000手。该单日开仓量是指非期货公司会员或者客户当日在单个合约上的买开仓数量与卖开仓数 量之和。套期保值交易和做市交易的开仓数量不受上述标准限制。具有实际控制关系的账户按照一个账 户管理。交易所将根据市场情况对交易限额进行调整。 ...

Market Performance - On July 17, 2025, A-shares showed a strong performance with the Shanghai Composite Index rising by 0.37%, the Shenzhen Component Index increasing by 1.43%, and the ChiNext Index up by 1.76%. The total trading volume in the Shanghai and Shenzhen markets was approximately 15,393.75 billion yuan, an increase of about 973.32 million yuan compared to the previous trading day [1] - Hong Kong stocks had mixed results on the same day, with the Hang Seng Index falling by 0.08% to 24,498.95 points and a total trading volume of 2,364.12 billion HKD. The Hang Seng Tech Index, however, rose by 0.56% to 5,448.85 points [1] - In the U.S., all three major stock indices closed higher, with the S&P 500 reaching a new closing high at 6,297.36 points, up by 0.54%. The Nasdaq Composite Index increased by 0.75% to 20,885.65 points, and the Dow Jones Industrial Average rose by 0.52% to 44,484.49 points [1] Industry Regulations - The Guangzhou Futures Exchange announced new trading limits for polysilicon futures, effective from July 21, 2025. Non-futures company members or clients will have a daily opening position limit of 10,000 lots for polysilicon futures and 5,000 lots for industrial silicon futures (SI2509). These limits do not apply to hedging or market-making transactions [3] - The Ministry of Finance and the State Taxation Administration have adjusted the consumption tax threshold for super luxury cars to 900,000 yuan (excluding VAT). This change affects various types of vehicles, including electric and fuel cell cars, and aligns with previous regulations on consumption tax for imported super luxury cars [4]

广期所对多晶硅期货实施交易限额及调整工业硅期货SI2509合约交易限额》 智通财经7月17日电，广期所发布《关于对多晶硅期货实施交易限额及调整工业硅期货SI2509合约交易 限额的通知》。根据《广州期货交易所风险管理办法》，经研究决定，自2025年7月21日交易时起，非 期货公司会员或者客户在多晶硅期货各合约上单日开仓量不得超过10,000手，非期货公司会员或者客户 在工业硅期货SI2509合约上单日开仓量不得超过5,000手。该单日开仓量是指非期货公司会员或者客户 当日在单个合约上的买开仓数量与卖开仓数量之和。套期保值交易、做市交易的单日开仓数量不受上述 标准限制。具有实际控制关系的账户按照一个账户管理。 ...