自9月11日交易时起，非期货公司会员或者客户在工业硅期货SI2511合约上单日开仓量不得超过1000 手，非期货公司会员或者客户在多晶硅期货PS2511合约上单日开仓量不得超过1000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。 9月9日盘后，广州期货交易所发布关于调整工业硅、多晶硅期货相关合约交易手续费标准及交易限额的 通知称，自9月11日交易时起，多晶硅期货PS2511合约的交易手续费标准调整为成交金额的万分之一点 五，日内平今仓交易手续费标准调整为成交金额的万分之一点五。 ...

Group 1 - The Central Committee of the Communist Party of China will hold its fourth plenary session in October, emphasizing the need for macro policies to continue and enhance efforts to boost consumption and strengthen the domestic capital market [1] - The Ministry of Commerce of China expressed welcome for foreign investment, including from U.S. companies, to share development opportunities [2] - The National Development and Reform Commission has allocated a budget of 90 billion yuan for childcare subsidies, with applications opening in late August [3] Group 2 - The Hubei humanoid robot fund has launched with an initial investment of 5 billion yuan, focusing on the development of robotics technology [6] - The China Coking Industry Association has called for an increase in coke prices, with specific price adjustments announced for various types of coke effective July 31 [7] - The Dalian Commodity Exchange has adjusted trading limits for certain contracts related to industrial silicon and lithium carbonate [8] Group 3 - CATL reported a net profit of 30.5 billion yuan for the first half of the year, a year-on-year increase of 33.02%, and announced a cash dividend of 10.07 yuan per share [9] - Vanke A announced a loan of up to 869 million yuan from Shenzhen Metro Group [10] - Long River Power plans to invest approximately 26.6 billion yuan in the Gezhouba shipping capacity expansion project [10] Group 4 - Lide Man plans to acquire up to 70% of a tuberculosis diagnostic screening company, which is expected to constitute a major asset restructuring [11] - Dongxin Co. announced ongoing product optimization for its chip products, which have not yet generated revenue [12] - The stock of Hehua Co. is suspended due to plans for a change in control [13] Group 5 - The Federal Reserve maintained its target range for the federal funds rate at 4.25% to 4.50%, marking the fifth consecutive decision to keep rates unchanged [15] - The U.S. government announced a 50% tariff on imported semi-finished copper products effective August 1 [18] - The U.S. stock market showed mixed results, with the Dow Jones down 0.38% and the Nasdaq up 0.15% [21] Group 6 - Microsoft reported fourth-quarter revenue of $76.44 billion, a year-on-year increase of 18%, exceeding expectations [22] - Qualcomm's third-quarter adjusted revenue was $10.37 billion, a 10% increase year-on-year, with adjusted net income rising by 25% [23]

Core Viewpoint - The Dalian Commodity Exchange has adjusted the trading limits for futures contracts of industrial silicon, polysilicon, and lithium carbonate, imposing specific daily opening position limits for non-futures company members or clients [1] Group 1: Industrial Silicon - Non-futures company members or clients are limited to a daily opening position of 500 contracts for the industrial silicon futures contract SI2509 [1] - For the industrial silicon futures contracts SI2510, SI2511, SI2512, and SI2601, the daily opening position limit is set at 2000 contracts each [1] Group 2: Polysilicon - Non-futures company members or clients are restricted to a daily opening position of 500 contracts for the polysilicon futures contract PS2509 [1] - The daily opening position limit for polysilicon futures contracts PS2510, PS2511, PS2512, and PS2601 is also set at 2000 contracts each [1] Group 3: Lithium Carbonate - Non-futures company members or clients can only open a maximum of 500 contracts for the lithium carbonate futures contract LC2509 on a daily basis [1] - For the lithium carbonate futures contracts LC2510, LC2511, LC2512, and LC2601, the daily opening position limit is established at 2000 contracts each [1]

Group 1 - The Dalian Commodity Exchange (DCE) has announced new trading limits for non-futures company members or clients on coking coal futures contracts starting from July 29, 2025 [1] - The daily opening position limit for the JM2509 contract will be set at 500 lots, while for other coking coal futures contracts, it will be capped at 2,000 lots [1] - The daily opening position refers to the total number of buy and sell positions opened in a single contract by non-futures company members or clients [1] Group 2 - Hedging transactions and market-making transactions are exempt from the above-mentioned opening position limits [1] - Accounts with actual control relationships will be managed as a single account [1] - The exchange will adjust the trading limits based on market conditions [1]

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]